Colorless to white odorless acicular crystal or crystalline powder. It's sweet. Taste area value 0.06%. Those crystallized by ethanol-water are rhombic crystals, and those recrystallized by water are acicular crystals or crystalline powders. A 5% aqueous solution has a PH of 5.5-7.0. It melts and decomposes at about 295-300℃. It is chemically stable. Can be converted to lactic acid. Soluble in water (16.72g/100ml,25). Slightly soluble in ethanol. Optical inactivity
Iii. Use
It is mainly used in food processing industry as a nutritional supplement and seasoning. Secondly, it is used in the pharmaceutical industry. It has good umami taste and can enhance the seasoning effect of chemical seasoning.
☆ With special sweet taste, can improve the taste of artificial sweeteners; Improve the sour taste of organic acid, improve the flavor of vinegar;
☆ With sour taste, make the salt taste quickly, improve the effect of pickling pickles, pickles, can shorten the curing time, improve the flavor;
☆ As a sour correction agent and buffer for synthetic sake and refreshing drinks, it can prevent the aging of foamed wine and reduce yeast odor; It has antioxidant properties, and can be used in various food processing: such as oil, mayonnaise, bad food, soy sauce impregnated food, rice bran pickled food, etc., which can prevent oxidation and improve its flavor;
☆ Used as a raw material for the manufacture of vitamin B6, medical microbiology and biochemical amino acid metabolism.