2012年5月31日星期四

Nice Price for Sodium Dihydrogen Phosphate Anhydrous




Product name:Sodium Dihydrogen Phosphate Anhydrous
CAS:7558-80-7
Molecular Formula:H2NaO4P
Molecular weight:119.98
Description of Sodium Dihydrogen Phosphate Anhydrous:
Also known as: Monosodium phosphate, SODIUM DIHYDROGEN PHOSPHATE, Sodium phosphate, monobasic, Sodium acid phosphate, Monosorb XP-4
Appearance:White powder;
Melting point:190°C; Dissolved in water; Undissolved in organic solvent.
Usages: Used in boiler water dealing, acidity buffering agent, detergent, dye agent, galvanization, etc.
Storage:Store it in ventilated, dry and clean place. Moisture proof.
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Features of Sodium Carbonate




Product name:Sodium Carbonate
CAS:497-19-8
Molecular Formula:Na2CO3
Molecular weight:105.9784 g/mol (anhydrous)
Description of Sodium Carbonate:
Sodium carbonate is a household chemical with a variety of different uses. Its chemical formula, Na2CO3, is similar to that of baking soda, NaHCO3. But baking soda is a nontoxic chemical commonly used in food preparation, while sodium carbonate is toxic. Instead, it's a common cleaning product.
Features:
Sodium carbonate is similar in chemical formula to both baking soda and chalk. It's more basic than baking soda, however, which makes it caustic and potentially harmful if swallowed. It's more water soluble than chalk, which doesn't dissolve well in the body. According to the "CRC Handbook of Chemistry and Physics," it's a crystalline white solid at room temperature, and has a melting point of 1564 degrees Fahrenheit. Sodium carbonate can absorb water from the air, making it decompose at lower temperatures.
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Protease Inhibitors (7000u/mg) Exporter




Product name: Protease Inhibitors (7000u/mg)
Description of Protease Inhibitors (7000u/mg):
Protease inhibitor: An agent that can keep a protease from splitting a protein into peptides. Examples of protease inhibitors are saquinavir (brand name: Invirase) and ritonavir (brand name: Norvir), and they are used primarily in HIV/AIDS treatment. They are taken as part of a multi-drug cocktail and have been shown to be capable of significantly reducing the level of HIV virus in the blood. Side effects associated with protease inhibitors include lipodystrophy syndrome, in which the face, arms, and legs become thin due to loss of subcutaneous fat; the skin becomes dry; weight loss occurs; and abnormal deposits of fat occur. Some strains of HIV may be resistant to protease inhibitors.
Protease Inhibitors stop HIV replication by preventing the enzyme protease from cutting the virus into the shorter pieces that it needs to make copies of itself. Incomplete, defective copies are formed which can't infect cells.
Side Effects:Protease inhibitors can cause a syndrome of lipodystrophy, hyperlipidaemia, diabetes mellitus type 2, and kidney stones.
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Deoxyribonuclease I(1000u/mg) Supplier



Deoxyribonuclease I (DNase I) is a single, glycosylated polypeptide that degrades unwanted single- and double-stranded DNA. The enzyme works by cleaving DNA into 5' phosphodinucleotide and small oligonucleotide fragments. DNase I is commonly added to cell lysis reagents to remove the viscosity caused by the DNA content in bacterial cell lysates or to remove the DNA templates from RNAs produced by in vitro transcription. Two grades of DNAse are offered, one sufficient for protein work and one that is useful for any application requiring the digestion of DNA in which it is crucial to avoid damage to RNA.

2012年5月29日星期二

Professional Supplier of Dehydrocholic Acid




Product name:Dehydrocholic Acid
CAS:81-23-2
Molecular Formula:C24H34O5
Molecular weight:402.52
Description of Dehydrocholic Acid:
Dehydrocholic acid is a synthetic bile acid, manufactured by the oxidation of cholic acid. It acts as a hydrocholeretic, increasing bile output to clear increased bile acid load.
Use of Dehydrocholic Acid:
The main use of dehydrocholic acid is as a digestive aid in the dietary supplement industry. It is typically formulated with enzymes like papain and pancreatin
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Nice Price for Ursodeoxycholic Acid




Product name:Ursodeoxycholic Acid
CAS:128-13-2
Molecular Formula:C24H40O4
Molecular weight:392.56 g/mol
Description of Ursodeoxycholic Acid:
Ursodeoxycholic acid (UDCA), also known as ursodiol, is a compound produced from bile by the action of intestinal bacteria. Since this bile acid is not produced directly by the body, it is known as a secondary bile acid. One of the functions of bile acids is to act in the intestine to help digest fats and fat-soluble vitamins from food. Ursodeoxycholic acid has been used in pharmacology to dissolve gallstones made of cholesterol, and to treat liver disorders. It has been used for a long time in both human and veterinary medicine.
Melting point:203 °C (397 °F)
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Hot Sale Sodium Cholate




Product name:Sodium Cholate
CAS:206986-87-0
Molecular Formula:C24H39NaO5.xH2O
Molecular weight:430.55
Description of Sodium Cholate:
Other name:Cholic acid, sodium salt
Chemical Name: 3, 7, 12-Trihydroxy-5β-cholan-24-oic acid, monosodium salt
Sodium cholate (cholic acid) is a water-soluble, bile-acid commonly used in protein methods such as cell lysis, liposome preparation, isolation of membrane proteins and lipids, preventing nonspecific binding in affinity chromatography and as a cell culture media supplement.
Purity (by HPLC): ≥99%
Use of Sodium cholate
Sodium cholate is used as an antibiotic and as an ingredient used for drug delivery.
It is used in the preparation and formulation of certain microbiolical diagnostic media.
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Potato Extract Supplier




Product name:Potato Extract
Description of Potato Extract:
Latin name: Solanum tuberosum
Appearance:pale yellow
Applications:pharmceuticals,food,healthcare
Effects:anti-cancers
Pharmacological Function:
1. It is fit for dyeing or complementary color of wine, soda pop, fruit drink, jam, candy and so on;
2. It is fit for dyeing or complementary color of lipstick, shampoo ,rouge in cosmetics industry;
3. It can take place of chemosynthetic pigment and produce colourful drugs in drugs industry.
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Information of Protein




Product name:Protein
Description of Protein:
Proteins are biochemical compounds consisting of one or more polypeptides typically folded into a globular or fibrous form, facilitating a biological function.
Protein builds, maintains, and replaces the tissues in your body. (Not the tissues you blow your nose in! We mean the stuff your body's made up of.) Your muscles, your organs, and your immune system are made up mostly of protein.
Your body uses the protein you eat to make lots of specialized protein molecules that have specific jobs. For instance, your body uses protein to make hemoglobin (say: hee-muh-glow-bin), the part of red blood cells that carries oxygen to every part of your body.
Other proteins are used to build cardiac muscle. What's that? Your heart! In fact, whether you're running or just hanging out, protein is doing important work like moving your legs, moving your lungs, and protecting you from disease.
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Lysozyme Introduction




Product name:Lysozyme
CAS:9001-63-2
Molecular Formula:C11H20NO6
Molecular weight:262.279
Description of Lysozyme:
Lysozymes, also known as muramidase or N-acetylmuramide glycanhydrolase, are glycoside hydrolases, enzymes (EC 3.2.1.17) that damage bacterial cell walls by catalyzing hydrolysis of 1,4-beta-linkages between N-acetylmuramic acid and N-acetyl-D-glucosamine residues in a peptidoglycan and between N-acetyl-D-glucosamine residues in chitodextrins. Lysozyme is abundant in a number of secretions, such as tears, saliva, human milk, and mucus. It is also present in cytoplasmic granules of the polymorphonuclear neutrophils (PMN). Large amounts of lysozyme can be found in egg white. C-type lysozymes are closely related to alpha-lactalbumin in sequence and structure, making them part of the same family.
In humans, the lysozyme enzyme is encoded by the LYZ gene.
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2012年5月24日星期四

Useful Information of Pectin




Product name: Pectin
CAS:9000-69-5
Molecular Formula:C6H12O6
Description of  Pectin:
Pectin is a complex carbohydrate, which is found both in the cell walls of plants, and between the cell walls, helping to regulate the flow of water in between cells and keeping them rigid. You’ll note some plants begin to lose part of this complex carbohydrate as they age. Apples left out too long get soft and mushy as pectin diminishes. When apples are just ripe, they have a firm and crisp texture, mainly due to the presence of pectin
Specification:BR
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Sell Good Quality Kinetin




Product name:Kinetin
CAS:525-79-1
Molecular Formula:C10H9N5O
Formula Weight:215.21 g/mol
Description of Kinetin:
Chemical name: 6 - Furfuryl aminopurine
Other names: Kai Niting, furfuryl adenine, KT.
Physical and chemical properties: This agent can be dissolved in acid, alkali and acetic acid, slightly soluble in ethanol, butanol, acetone, ether, insoluble in water.
Toxicity: low toxicity to higher animals. Control target: kinetin is a plant growth regulator to promote cell division, bud induction of differentiation, the lifting of apical dominance, anti-aging role.
Usage: 10 ~ 20 mg / l concentration of the liquid spray the plants of cauliflower, celery, spinach, lettuce, mustard, radish, or dip plants after harvest, can extension of green tissue protein and chlorophyll degradation, to prevent vegetable products deterioration and aging, delay the transport and storage time can play the role of preservation.
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Best Seller of Indole-3-Acetic Acid




Product name:Indole-3-Acetic Acid
CAS:87-51-4
Molecular Formula:C10H9NO2
Formula Weight:175.184
Description of Indole-3-Acetic Acid:
Synonyms:2-(3-Indolyl)acetic acid;3-(Carboxymethyl)Indole;3-IAA;Acetic acid, indolyl-;a-Iaa;alpha-IAA;alpha-Indol-3-yl-acetic acid;alpha-indol-3-yl-aceticacid
Appearance:white solid
Melting point:168-170 °C (441-443 K)
Solubility in water:moderate
EINECS: 201-748-2
Indole-3-acetic acid, also known as IAA, is a heterocyclic compound that is a phytohormone called auxin. This colourless solid is native plant compound, potent and the most important auxin. The molecule is derived from indole, containing a carboxymethyl group (acetic acid).
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Industrial Use of Soy Protein Isolate




Product name:Soy Protein Isolate
CAS:9010-10-0
Description of Soy Protein Isolate:
Industrial use of soy protein isolate:
Soy protein isolate is used in the food industry for nutritional (increasing protein content), sensorial (better mouthfeel, bland flavour) and functional reasons (for applications requiring emulsification, water and fat absorption and adhesive properties).
Soy protein isolate is used in following food products:
snacks
meal replacements
breakfast cereals
energy and protein bars
weight loss ready-to-drink beverages
soups, sauces and prepared foods
baked foods
ice cream, yogurt and other dairy or dairy-free products
meat alternatives
processed meat, poultry and fish products
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D-Calcium Pantothenate Exporter




Product name:D-Calcium Pantothenate 
CAS:137-08-6
Molecular Formula:C18H32CaN2O10
Formula Weight:476.53
Description of D-Calcium Pantothenate :
D calcium pantothenate is a synthetic substance made from pantothenic acid and sold as vitamin B-5 supplements. Vitamin B-5 is one of the eight B vitamins and an essential nutrient your body uses to create energy and break down carbohydrates and fats. Your body requires the B-complex vitamins including B-5 to carry out many nervous system functions. Doctors also prescribe D calcium pantothenate as a treatment for acne and morning stiffness associated with rheumatoid arthritis
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2012年5月22日星期二

Wholesale Supplier of Adenine




Product name:Adenine 
CAS:73-24-5
Molecular Formula:C5H5N5
Formula Weight:135.13 g/mol
Description of Adenine:
Adenine is one of the nucleobases present in deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), the genetic information stored within organisms. It is a substance often studied in biochemistry because of its many important roles in the bodies of organisms. It has the chemical formula C5H5N5. It is a purine, meaning that it is a kind of organic compound that is composed of carbon and nitrogen atoms arranged in the form of two rings.
DNA and RNA are extraordinarily important nucleic acids because they contain the genetic information used for the growth, repair, development, and reproduction of all organisms. They are each made up of four nucleobases: DNA is composed of adenine, thymine, guanine, and cytosine; RNA is composed of the same, but with uracil instead of thymine. The arrangements of these nucleobases determine the exact nature of the genetic code contained in the DNA or RNA. Adenine is one of these nucleobases, so it is of the utmost importance to the genetic structure of all living organisms.
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Chlorophyllin for Hot Sale




Product name:Chlorophyllin
CAS:11006-34-1
Molecular Formula:C34H31CuN4Na3O6
Formula Weight:724.15 g/mol
Description of Chlorophyllin:
Synonyms:Chlorophyllin coppered trisodium salt; Trisodium (2S-trans)-[18-carboxy-20-(carboxymethyl)-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-8-vinyl-21H,23H-porphine-2-propionato(5-)-N21,N22,N23,N24]cuprate(3-)
Chlorophyllin is any of the water-soluble salts from chlorophyll; used topically and orally for deodorizing skin lesions and orally for deodorizing the urine and feces in colostomy, ileostomy, and incontinence; used particularly in the form of the copper complex.
Purity: 99%min
Specification:
1)Dark green powder or crystal
2) Easily soluble in water, slightly soluble in alcohol and chloroform
3) Insoluble in ethyl ether
4) Water solution: transparent, without sediment
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2012年5月18日星期五

Benefits of Potato Starch




Product name:Potato Starch
CAS:9005-25-8
Molecular Formula:(C6H10O5)n
Description of Potato Starch:
Potato Starch is used as a thickener for sauces, soups, and stews. Potato starch tolerates higher temperatures than cornstarch when used as a thickener. It's a natural way to add moistness to many baked goods. A recipe for wonderful pan gravy is on the label.
Facts:
Potato Starch is produced by separating the starch from potato cell walls through an extensive washing and cooking process. The starch is then dried and ground into a very fine white powder.
Benefits:
Potato Starch is gluten free, making it a good starch substitute for people with gluten sensitivities and restricted diets. It also has a higher heat point than cornstarch. This makes it a superior choice for many recipes.
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Usage of Calcium Lactate




Product name:Calcium Lactate
CAS:814-80-2
Molecular Formula:C6H10CaO6
Formula Weight:218.22
Description of Calcium Lactate:
Calcium is a mineral found in foods such as dairy products, red beans, rhubarb and broccoli. This mineral is necessary for the formation of healthy teeth, bones and the removal of other minerals from the body. The use of calcium lactate prevents or treats deficiencies of calcium caused by inadequate dietary intake or absorption.
Uses:
Calcium deficiencies may be caused by inadequate intake of calcium as well as several medical conditions. If the intestines are unable to absorb adequate amounts of calcium, a deficiency occurs. Medical conditions that cause the body to have difficulty regulating calcium levels can also result in calcium deficiencies. Insufficient levels of Vitamin D or parathyroid hormone in the body can also cause calcium deficiencies. Calcium deficiency can lead to osteoporosis, brittle bones and weak teeth. Calcium lactate is a form of calcium that is produced when lactic acid reacts with calcium carbonate. The reaction forms white crystals that are found in milk and other dairy products. According to Cathy Carlson-Rink, MD, a doctor of naturopathic medicine and member of the Canadian Naturopathic Association, calcium lactate and calcium gluconate have the highest levels of solubility in the body, making it easier for calcium to be absorbed in the intestines. As a result, calcium lactate is sometimes prescribed to prevent or treat calcium deficiencies.
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Information of Sodium Alginate




Product name:Sodium Alginate
CAS:9005-38-3
Molecular Formula:C14H20N2O13
Formula Weight:442.28
Description of Sodium Alginate:
Alginates are extracted from brown seaweed and are available in sodium, ammonium and potassium derivatives. They are soluble in both hot and cold water, and can thicken and bind.  In the presence of calcium and an acid some alginates can form resilient gels.
The chemical compound sodium alginate is the sodium salt of alginic acid. Its form as a gum, when extracted from the cell walls of brown seaweed (particularly kelp grown in the cold water regions of Ireland, Scotland, North and South America, New Zealand, Australia, and South Africa) is used by the food industry to increase viscosity and as an emulsifier. It is also used in indigestion tablets. Sodium alginate has no discernable flavor.
Sodium Alginate works as a cold gelling agent that needs no heat to gel. It gels in the presence of calcium compounds. Most commonly used with calcium chloride to make caviar and spheres. It dilutes while cold with strong agitation. Heat is not needed to produce spherification. Sodium alginate can also be used to produce foams.
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Chemical Properties of Agarose




Product name:Agarose
CAS:9012-36-6
Molecular Formula:C10H15N3O3
Description of Agarose:
Synonyms:TOPVISION(TM) LE GQ AGAROSE;Agarosebeadform;sepharose;QA-AGAROSE(TM);QA-AGAROSE(TM) LOW MELTING;QA-AGAROSE(TM) MULTIPURPOSE;MULTI-PURPOSE AGAROSE;MOLECULAR-SCREENING AGAROSE
EINECS: 232-731-8
Melting point:≤90 °C (4% in water)(lit.)
Density :1.00 g/mL at 20 °C
Flash point:38 °C
Storage temp. :2-8°C
Solubility:H2O: 20 mg/mL hot, slightly hazy, very faintly yellow
Sensitive:Moisture Sensitive & Hygroscopic
Stability:Stable. Incompatible with strong acids, strong oxidizing agents.
Agarose is a polysaccharide obtained from agar that i used for a variety of life science applications especially in gelelectrophoresis.
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Introduction of Gelatin




Product name: Gelatin
CAS:9000-70-8
Molecular Formula:C6H12O6
Description of Gelatin:
Gelatin is a colorless, flavorless thickening agent that is used to give body to molded salads and desserts. A by-product of meat processing, most gelatin is granulated, although it is available in sheets-known as "sheet" or "leaf" gelatin-in some gourmet shops. The granulated type is sold in regular supermarkets and comes in unflavored and in flavored, sweetened varieties
Notes: Gelatin is flavorless and colorless, and if you dissolve it in a hot liquid, the liquid will gel as it cools. When reheated, say in your mouth, the gel melts.  Most of us know gelatin as the key ingredient in the quivering dessert we call Jell-O�, but cooks also use it to make cheesecakes, mousses, marshmallows, meringues, chiffon pies, ice cream, nougats, aspics, and many other things.   Gelatin will break down if exposed to the enzymes of certain raw fruits, like kiwi fruit, papayas, pineapple, peaches, mangos, guavas, and figs.  Cooking these fruits, though, destroys the enzymes.  If you plan to add these fruits to a gelatin salad, it's often easiest to buy them in cans, for all canned fruit is pre-cooked.  Gelatin is made from the bones, skins, hooves, and connective tissue of animals, including pigs, so it's objectionable to vegetarians and members of certain religions.  Kosher gelatins are available, and some of these are also vegetarian.
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2012年5月15日星期二

Best Sell Phosphatidylethanolamine




Product name:Phosphatidylethanolamine
CAS:90989-93-8
Molecular Formula:C9H18NO8P
Description of Phosphatidylethanolamine:
Phosphatidylethanolamine (PE) is an important phospholipid that makes up cell membranes and organelle membranes. It is also called cephalin because it is abundant in the brain, spinal cord, and other nervous tissues. As much as 45% of brain phospholipids consist of cephalin. Cephalin is believed to play an important role in cognition and memory. In bacteria, phosphatidylethanolamine is the major phospholipid; in animals, lecithin or phosphatidylcholine is the most abundant, but cephalin is a close second.
Like phosphatidylcholine, phosphatidylethanolamine is composed of glycerol, two fatty acids, and phosphoric acid. While phosphatidylcholine has choline attached to the phosphate group, PE has ethanolamine. The fatty acids of PE may be identical or different, but they usually occupy the 1,2 carbon positions. At times, however, they may occupy the 1,3 carbon positions.
The melting temperature of phosphatidylcholine is –20 degrees Celsius, while that of phosphatidylethanolamine is –16 degrees Celsius. PE has a higher melting point, so it is less fluid. Phosphatidylethanolamine is believed to lend a lateral pressure to the lipid bilayer, such that membrane proteins achieve their stable confirmation. It is also believed to support the positioning of positively charged amino acids on the inside of the membrane.
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What is Inosine




Product name:Inosine
CAS:58-63-9
Molecular Formula:C10H12N4O5
Molecular Weight:268.23
Description of Inosine:
Systematic (IUPAC) name:9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6,9-dihydro-3H-purin-6-one
Inoside is a chemical compound found in the human body. It has the chemical structure C10H12N4O5. It is not an essential nutrient, and no dietary supplementation is required. The main function of inoside in the body is as part of the transfer ribonucleic acid (tRNA) process, which supplies polypeptide chains with specific amino acids. It is also key in the formation of wobble base pairs, which are an essential secondary structure in human genetic code.
This compound begins as adenine, which is, in turn, converted to adenosine or inosine monophosphate (IMP). Either of these substances can then be changed into inosine. In a genetic base pair, inosine will bond with adenine, cytosine, or uracil. This nucleoside is also a link in the chain of purine nucelotides that govern muscle movements.
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Qualified Folic Acid Supplier




Product name: Folic Acid
CAS:59-30-3
Molecular Formula:C19H19N7O6
Molecular Weight:441.4
Description of Folic Acid:
IUPAC name:(2S)-2-[(4-{[(2-amino-4-hydroxypteridin-6-yl)methyl]amino}phenyl)formamido]pentanedioic acid
Appearance:yellow-orange crystalline powder
Melting point:250 °C (523 K), decomp.[1]
Solubility in water:1.6 mg/L (25 °C)
Folic Acid is used for preventing and treating low blood levels of folic acid (folic acid deficiency), as well as its complications, including “tired blood” (anemia) and the inability of the bowel to absorb nutrients properly. Folic acid is also used for other conditions commonly associated with folic acid deficiency, including ulcerative colitis, liver disease, alcoholism, and kidney dialysis.
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2012年5月10日星期四

Brain Infusion Powder(Beef) Exporter




Product name:Brain Infusion Powder(Beef)
Description of Brain Infusion Powder(Beef):
This product is fresh bovine brain by extraction, concentration, spray drying a pale yellow to white powder, soluble in water and hygroscopic.
Specification:BR
Storage:store in cool and dry place
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Cheaper Price for Lactalbumin Hydrolysate




Product name:Lactalbumin Hydrolysate
CAS:68458-87-7
Description of Lactalbumin Hydrolysate:
This peptone is obtained by a pancreatic digest of lactalbumin and whey protein. Due to the high content of
essential amino acids, it is used in microbiological and tissue culture media formulations.
Synonyms:Lactalbumin Hydrolysate Solution 50X;Edamin(R)K;ALBAMIN;EDAMIN K;EDAMIN S;LACTALBUMIN HYDROLYSATE SOLUBILIZED;LACTALBUMIN ENZYMATIC HYDROLYSATE;PEPTONE, LACTALBUMIN ENZYMATIC;PEPTONE LACTALBUMIN LACTALBUMIN HYDROLYSATE;PEPTONE;Enzymaticdigestoflactalbumin;Lactalbumins,hydrolyzates;Peptone from lactalbumin;HYDROLYZED LACTALBUMIN;LACTALBUMINE HYDROLYSATE, FOR MICROBIOLO GY;LACTALBUMIN HYDROLYSATE FOR
Solubility:H2O: 2%, clear, yellow to brownish yellow
PH (2% solution): 6.5 – 7.5
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Best Sale Maltohexaose




Product name:Maltohexaose
CAS:34620-77-4
Molecular formula:C36H62O31
Molecular weight:990.86
Description of Maltohexaose:
Synonyms:Maltohexaose(6CI,7CI,8CI);Amylohexaose;
Purity:Not less than 95.0 %
Moisture:Not more than 5.0 %
Appearance:White powder
Melting Point:204-206°C
Density:1.87 g/cm3
Boiling Point:307.8 °C at 760 mmHg
Flash Point:744.7 °C
Usage:A novel glucosylation enzyme. Standard type oligosaccharide.
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Sell Sucrose at Competitive Price




Product name:Sucrose
CAS:57-50-1
Molecular formula:C12H22O11
Molecular weight:342.30 g/mol
Description of Sucrose:
Sucrose is a disaccharide that yields 1 equiv of glucose and 1 equiv of fructose on acidic hydrolysis. This 1:1 mixture of glucose and fructose is often referred to as invert sugar, since the sign of optical rotation changes (inverts) during the hydrolysis from sucrose ([alpha]D = +66.5o) to a glucose fructose mixture ([alpha]D = -22.0o). Certain insects, particularly honeybees, have enzymes called invertases that catalyze the hydrolysis of sucrose to a glucose-fructose mixture. Honey, in fact, is primarily a mixture of these three sugars.
Unlike most other disaccharides, sucrose is not a reducing sugar and does not exhibit mutarotation. These facts imply that sucrose has no hemiacetal linkages and that glucose and fructose must both be glycosides. This can happen only if the two sugars are joined by a glycoside link between C1 of glucose and C2 of fructose
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Useful Information of Amyloglucosidase




Product name:Amyloglucosidase
CAS:9032-08-0
Description of Amyloglucosidase:
Synonyms: Glucan 1,4-a-glucosidase; 1,4-a-D-Glucan glucohydrolase; EC 3.2.1.3; Exoglucosidase
Amyloglucosidase is an enzyme of microbial origin that breaks glucoside bonds in starch and dextrins to form glucose; used in the manufacturing of glucose and for converting carbohydrates to fermentable sugars (as in beer-brewing). Also known as glucoamylase.
Appearance and Odor:  Clear to brown liquid with a slight
Solubility in Water:  Soluble
Conditions to Avoid:  Avoid Dusting. May become explosive when dispersed in air.
Substrate specificity: Amyloglucosidase hydrolyzes terminal a1,4- and a1,6-glucosdic bonds (glucoseglucose bonds) in polysaccharides (e.g., starch, dextrins, glycogen), removing glucose units sequentially from the non-reducing end of the molecule. The enzyme will also cleave maltose and maltosides (maltotriose, maltotetraose, etc.). Relative rates of hydrolysis at 37oC and pH 4,8 for some representative oligosacchardes are (maltose = 100): maltotriose, 360; maltotetraose, 770; maltopentaoes, 1000; isomaltopentaose, 23; and 6-a-maltosylglucose, 260. Amyloglucosidase will not cleave Glca1 - 2bFru bonds (as in sucrose) or glucan bonds in chemically-modified starch (e.g., with > 1% of glucose product of polysaccharide hydrolysis is D-glucose.
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2012年5月8日星期二

What is Papain




Product name:Papain
CAS:9001-73-4
Description of Papain:
Papain is a cysteine hydrolase that is stable and active under a wide range of conditions. It is very stable even at elevated temperatures (Cohen et al. 1986). The latex of Carica papaya is a rich source of four cysteine endopeptidases including papain, chymopapain, glycyl endopeptidase, and caricain. The proteins are synthesized as inactive precursors that become active within two minutes of the plant being wounded and the latex expelled. Papain is a minor constituent, but has been more widely studied because it is more easily purified.
Commercially, papain is added to many preparations which are designed to tenderize meats. It is also used in the preparation of cell cultures, as it can dissolve the bonds between cells to make them easier to separate. Medically, papain is sometimes used in wound debridement and other procedures, and it is sometimes recommended as a dietary supplement to people who experience digestive problems. The papain supplement can help people break foods down so that they are easy to digest.
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Ox Bile Powder for Sale




Product name:Ox Bile Powder
CAS:75302-04-4
Description of Ox Bile Powder:
Appearance:yellow brown to brown powder, bitter taste,hygroscopic
Content(C24H40O5):≥42.0%
Loss on drying:≤5 %
Microbial limits:≤1000 cfu/g
Mould and yeast:≤500cfu/g
Ox Bile extract contains an amount of sodium salt of ox bile acids equivalent to not less than 45% of cholic acid.  Ox Bile Powder comes from bovine bile and is an excellent enhancer of the liver function and is a natural remedy, as soft laxative, against constipation.  Also have applications of aquaculture, feeding shrimps and other different kind of sea foods.
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2012年5月7日星期一

Sodium Thioglycolate Application





Product name:Sodium Thioglycolate
CAS:367-51-1
Molecular formula:C2H3NaO2S
Molecular weight:114.10
Description of Sodium Thioglycolate:
Application :
It is used as a depressor for copper mineral and brasses in copper-molybdenum mine flotation. It is produced with advanced technology and excellent craft. It has been used with long period in many molybdenum flotation factories in China. It has obvious depressor effect for copper, sulphur and other material, so it will effectively improve the molybdenum concentrate level and bring high economic profit to enterprise. It has been used as a new-model effective depressor for vulcanization mine in molybdenum flotation process and can take place of highly toxic depressor sodium cyanide. This product has been sold to Henan Luanchuan, Shanxi Luonan, Fujian JIanyang, Liaoning Huludao etc, and welcomed by our clients. In molybdenum flotation process, it can not only depress lead, zinc, iron, copper and other metal impurity, but also has good effect to decrease silicon, sulphur and other non-metal material. This agent needs only a small dosis, and the usage is easy and convenient, so it can save cost and improve the economic profit. This product not only can improve the quality, but also without pollution and hazardous, so it will take positive effect to environment protection of the producing area. It is an environment protection product and without pollution, which is positively recommend by the national environment protection department.
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Functional Advantages of Sorbitol




Product name:Sorbitol
CAS:50-70-4
Molecular formula:C6H14O6
Molecular weight:182.17
Description of Sorbitol:
Functional Advantages:
Sorbitol is used as a humectant in many types of products for protection against loss of moisture content. The moisture-stabilizing and textural properties of sorbitol are used in the production of confectionery, baked goods and chocolate where products tend to become dry or harden. Its moisture-stabilizing action protects these products from drying and maintains their initial freshness during storage.
Sorbitol is very stable and chemically unreactive. It can withstand high temperatures and does not participate in Maillard (browning) reactions. This is an advantage, for example, in the production of cookies where a fresh color with no appearance of browning is desired. Sorbitol also combines well with other food ingredients such as sugars, gelling agents, proteins and vegetable fats. It functions well in many food products such as chewing gums, candies, frozen desserts, cookies, cakes, icings and fillings as well as oral care products, including toothpaste and mouthwash.
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