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9月1日星期日
full play to the advantages of various materials
Multi- grain brewing is conducive to fully play to the advantage of a variety of materials , learn the essence of a variety of food . " Sorghum fragrant, sweet corn , barley, red, rice net " is explained in different grain as raw material quality of the wine is different. Ethyl lactate variety of grain as raw material , is conducive to the growth of microorganisms , because each different chemical composition of grain crops , such as protein content, amylopectin and amylose and the percentage of fat content varies, so the impact on microbial metabolism greatly. Fermentation is the use of lactic acid powder food complementarity between nutrition , complementary roles for the rich taste level provides a more comprehensive physical infrastructure. Therefore, using a variety of grain brewing raw materials make up the single monotonous wine aroma , complex fragrance poor enough to make full bodied , unique style .
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