| 单词 | bottom yeast |
| 释义 | > as lemmasbottom yeast bottom yeast n. a yeast used in bottom fermentation. ΘΚΠ the world > food and drink > drink > manufacture of alcoholic drink > [noun] > fermentation > bottom yeast bottom yeast1844 1844 Pharm. Jrnl. & Trans. 3 305 The action of the virus of cow-pox on the human body is analogous to that of the bottom yeast..in the fermentation of Bavarian beer. 1910 Encycl. Brit. X. 278/1 It has not..been possible to transform a typical top yeast into a permanent typical bottom yeast. 2014 R. Foley Bartending For Dummies (ed. 5) vii. 64 Bottom yeast settles to the bottom of the tank after converting all the sugar, and the resulting beer is a lager. bottom yeast Modern science distinguishes two kinds of yeast, surface yeast or top yeast (German oberhefe) and under yeast, sediment yeast, or bottom yeast (German unterhefe), the former propagated by buds, the latter by spores, of the fungus Saccharomyces cerevisiæ. The yeast of beer is used medicinally as an antiseptic and stimulant in low fevers, and as an application to ulcers.extracted from yeastn.< as lemmas |
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