Pure lactic acid is a colorless liquid, is a colorless to pale yellow liquid. Odorless, hygroscopic. The relative density of 1.2060 (25/4 ℃). Melting point 18 ℃. Boiling point 122 ℃ (2kPa). Refractive index nD (20 ℃) ??1.4392. With water, ethanol, glycerin, insoluble in chloroform, carbon disulfide and petroleum ether. Heating under normal pressure, concentrated to 50%, part of the anhydride into milk, thus products often contain 10% -15% of the milk anhydride.
2013年8月28日星期三
emulsifier can bake out
Tartaric acid monoglyceride, sucrose fatty acid ester, distilled monoglycerides and so on. In the process of making bread, add these emulsifiers can bake bread out more chewiness ( toughness ) , fluffy and volume increases, but also allow bread stay fresh longer and increase bread softness and crispness . Sodium lactate home and make bread , pasta, etc. , you can also use an emulsifier to make bread and pasta increases the volume , magnessium lactate . So, if you do not add emulsifiers, many food is not like this now, people have lost the temptation to eat the color, smell , taste, shape and good taste. After health and food regulatory authorities approved the use of a food emulsifier is commonly used food additives , can be used, not harmful to health . Plasticizer is a popular name in Taiwan , the mainland called plasticizers. No matter what we call it , their scientific names are phthalates . Phthalates are common dimethyl phthalate (DMP), diethyl phthalate (DEP), dibutyl phthalate (DBP), dioctyl phthalate (DOP), phthalic acid (2 ─ ethylhexyl ) phthalate (DEHP) and benzyl butyl phthalate (BBP).
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