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Amino acids are carboxylic acids containing amino groups. Amino acids are the building blocks of protein for animal nutrition. Proteins in living things are made up of 20 basic amino acids. Amino acids in human body through metabolism can play the following roles: (1) synthesis of tissue protein; (2) into acids, hormones, antibodies, creatine and other ammonia containing substances; (3) to carbohydrates and fat; (4) oxidation into carbon dioxide and water and urea, produce energy.
Citric Acid is an important organic Acid, a natural preservative and food additive.Citric acid is naturally found in the fruits of plants such as lemons, oranges and pineapples and in the bones, muscles and blood of animals. Synthetic citric acid is produced by fermentation of sugar, molasses, starch and grapes. Structure Structurally, citric acid is a tricarboxylic acid. And therefore have similar physical and chemical properties to other carboxylic acids. Citric acid is a strong organic acid...
Sodium citrate is an organic compound. It is the most important citrate.Sodium citrate is produced from starch by fermentation. Then neutralize it with the alkaline substance.Its raw material basically comes from food, absolutely safe and reliable, will not cause harm to human health. Diluted by a large amount of water, part of Sodium citrate becomes citric acid, which co-exists in the same system. Structure The molecular weight of sodium citrate is 258.07. When heated to 100℃, it becomes...
Potassium citrate is a citrate produced by neutralizing citric acid with potassium hydroxide or potassium bicarbonate.It can be used as a stabilizer and pH buffer, etc. Structure Potassium citrate molecular weight is 306.39500.Chemical formula is C6H5K3O7. Character White crystalline powder , odorless and smells like saline. Performance characteristics Soluble in water. Gently soluble in glycerin. Insoluble in alcohols. The taste is salty and cool. It is stable at room temperature and...
Lactic acid is a compound that acts in a variety of biochemical processes. It is a carboxylic acid with the formula C3H6O3. Structure Lactic acid contains a hydroxyl group, which belongs to the alpha - hydroxyl acid (AHA). In aqueous solution, the carboxyl group releases a proton to produce the lactate ion CH3CH(OH)COO−. Character Pure product is colorless liquid, industrial product is colorless to light yellow liquid. Odorless and hygroscopic. Performance characteristics It can be miscible...
Malic acid, also known as 2-hydroxysuccinic acid, has two stereoisomers due to the presence of an asymmetric carbon atom in the moleculeIt. Malic acid is mainly used in the food and pharmaceutical industries. Character In nature, it is found in three forms, d-malic acid, L-malic acid and its mixture, DL-malic acid. Naturally existing malic acid is l-type, almost exists in all fruits, with the most in the benevolence fruit. Malic acid is a colorless needle crystal, or white crystal powder,...
Tartaric acid is found in many plants, such as grapes and tamarind. It is also one of the main organic acids in wine. Structure Tartaric acid, 2, 3-dihydroxysuccinic acid, is a carboxylic acid, chemical formula C4H6O6. It's a dihydric acid, which means a molecule that can be ionized in water has a hydrogen atom on either side. Tartrate is also known as sodium tartrate. Character White crystalline powder Performance characteristics Soluble in water and ethanol, slightly soluble in ether. In food...
L-Ascorbic Acid Sodium Salt is an organic substance prepared by the reaction of L-ascorbate acid with sodium bicarbonate (or sodium carbonate). It has the same antioxidant effect as L-ascorbic acid. Character White to yellowish white crystalline powder or particles, odorless, slightly salty taste. Performance characteristics Melting point (ºC) : 218 (decomposition) Stable in dry condition. The color gets darker when exposed to light. It slowly oxidizes and decomposes when exposed to moisture or...
Vitamin C is a molecule with optical activity, it's also called Ascorbic Acid. According to its opticity, it can be divided into levorotatory vitamin C and dextrorotatory vitamin C , naturally occurring vitamin C is levorotatory vitamin C. Vitamin C is a strong reducing agent and has antioxidant effects. D− glucose in plants can be converted into vitamin C by invertase. In addition to primates (humans, apes), rats and bats, an Indian fruit, which lack invertase and cannot synthesize vitamin C,...
Nicotinic acid is also known as Niacin, vitamin B3. It has good thermal stability and can sublimate. Nicotinic acid is often purified by sublimation in industry. Mainly exists in animal viscera, muscle tissue, fruit, egg yolk also has a trace of existence, is one of the essential 13 vitamins of human body. Character White crystal or crystalline powder, odorless or slightly smelly, taste slightly sour Performance characteristics Soluble in water, acidic solution, dissolved in boiling water or...
L-tryptophan is also known as α-aminopindole propionic acid. Molecular formula :C11H12N2O2. Easily decomposed when coexisting with other amino acids, sugars and aldehydes. Used as food fortifier, antioxidant. It is also used in medicine and other aspects. Synthesized from indolealdehyde. It can also be decomposed and synthesized by trypsin. Character White to yellowish-white crystal or crystalline powder, odorless or slightly odorous. Long periods of light will stain. Taste slightly bitter. And...
L-alanine is an organic compound, the molecular formula is C3H7NO2, mainly used in biochemical research, tissue culture, liver function determination, flavor enhancer. It can increase the flavoring effect of condiments, and can also be used as acid correction agent to improve the acidity of organic acids. Character Colorless rhombic or crystalline powder, soluble in water, ethanol, insoluble in ether and acetone. Application Food additive Can improve the nutritional value of food, in all kinds...
L-serine is an important intermediate metabolite in organism. It is the synthetic precursor of glycine and other amino acids, nucleotides, choline and phospholipids. It has been widely used in medicine, food, cosmetics and other fields. Character White crystal or crystalline powder, odorless, sweet taste. Melting_point 223~228℃（decomposition） Soluble in water (20℃, 25g/ 100mL water). Melting point: 222 ℃ Relative density :1.6 Solubility :250 g/L (20℃) Application As biochemical reagents and...
L-arginine is an organic compound that is a nonessential amino acid for adults, but is produced slowly in the body. It is essential amino acid to infant and has certain detoxification effect. It exists in large quantities in protamine and other proteins, and is also the basic composition of various proteins. Character Appearance: white crystalline powder Solubility: soluble in water, very slightly soluble in ethanol, insoluble in ether Function L-arginine is one of the 8 essential amino acids...
Gallic acid, chemically named 3,4, 5-trihydroxybenzoic acid, molecular formula C7H6O5, is a polyphenolic organic compound. It can be found in plants such as rhubarb, eucalyptus urophylla and cornus officinalis. It is widely used in food, biology, medicine, chemical industry and other fields. Character Appearance: white crystalline powder Solubility: soluble in hot water, ether, ethanol, acetone and glycerol, insoluble in cold water, insoluble in benzene and chloroform Application...
Ellagic acid is an organic compound, a dimeric derivative of gallic acid. Ellagic acid is a natural polyphenol component found in various soft fruits, nuts and other plant tissues.Ellagic acid showed significant inhibitory effect on chemical-induced canceration and other canceration, especially on colon cancer, esophageal cancer, liver cancer, lung cancer, tongue and skin cancer. Character Yellow acicular crystal The color reaction of ellagic acid with ferric chloride is blue and that of...
Pyrogallic acid is a multi - substituted aryl compound. Character White odorless crystal. Has a bitter taste. Exposure to air and light turns gray. Solubility: Soluble in water, ethanol, ether, slightly soluble in benzene, chloroform, carbon disulfide. Water solubility: 400g/L(25ºC). Stability: Stable at room temperature, but discoloration in light. It is combustible. It is incompatible with strong oxidant, alkali, metal oxide, ammonia, phenol, iodine, lime water, menthol, potassium...
Diacetyl tartrate mono (bis) glycerol is called DATEM for short. It has strong emulsifying, dispersing, anti-aging and other functions, is a good emulsifier and dispersant. It can effectively enhance the elasticity, toughness and air holding of the dough and reduce the dough weakening. Increase the volume of bread, steamed bread, improve the organizational structure. It can also be used in sugar and syrups and spices. Character The common state is milky powder or granular solid Performance...
SUGAR ESTERS are non-ionic surfactants, which are synthesized by esterification of sucrose and fatty acids. Since sucrose contains 8 -- OH groups, all kinds of products from single ester to octyl ester can be formed by esterification. It can be subdivided into mono-fatty acid ester, difatty acid ester and trifatty acid ester. With its non-toxic, easy biodegradation and good surface properties, it is widely used in food, medicine, daily chemical, biological engineering enzyme preparation, oil...
Porpylene glycol fatty acid ester is obtained by esterification reaction from propylene glycol and fatty acid with potassium carbonate, quicklime and p-toluenesulfonic acid as catalyst heated for 6-l0h at 120-180 ℃.The resulting product is a mixture of mono-ester and diester.Propylene glycol mono-fatty acid ester can be obtained by molecular distillation. Propylene glycol fatty acid ester has good foaming and emulsifying properties, its foaming ability depends on the content of single ester,...
DL-methionine is a nutritional supplement. It has the same effect as L-methionine, but the price is lower (L-methionine is made from DL-methionine), so DL-methionine is generally used as a feed additive. Character White flake crystal or crystalline powder. It has a peculiar smell. Tiny sweet taste. The pH of 10% aqueous solution is 5.6-6.1. No optical rotation. Stable to heat and air. It's not stable with strong acids. Soluble in water (3.3g/100ml,25 degrees), dilute acid and dilute...
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