yeast 的 2 个定义
- any of various small, single-celled fungi of the phylum Ascomycota that reproduce by fission or budding, the daughter cells often remaining attached, and that are capable of fermenting carbohydrates into alcohol and carbon dioxide.
- any of several yeasts of the genus Saccharomyces, used in brewing alcoholic beverages, as a leaven in baking breads, and in pharmacology as a source of vitamins and proteins.Compare bottom yeast, brewer's yeast, top yeast.
- spume; foam.
- (5)
- to ferment.
- to be covered with froth.
yeast 近义词
leaven
foam
rising agent
更多yeast例句
- The compounds release volatile aromatics as yeast enzymes break bonds even after the bottle is capped.
- People have understood the importance of yeast in wine fermentation for at least two centuries.
- A later, more comprehensive analysis of yeast genomes showed that gene loss is pervasive throughout the yeast phylum.
- In fact, she says, yeasts have lost a variety of genes involved in diverse metabolic pathways and reacquired them from multiple bacteria.
- These findings suggested that the yeasts independently evolved their unicellular way of life from a multicellular ancestor.
- The malted barley, yeast, and water are cooked, fermented, and distilled exactly the same.
- They are vinous, herbaceous, and reminiscent of sourdough yeast starter.
- During fermentation after about 15 percent alcohol, yeast starts producing histamines.
- Another cure is Kvass, a slightly alcoholic beverage made by soaking dried rye bread with sugar and yeast.
- To make the dough, combine the flour, yeast, salt and sugar in a large bowl.
- Yeast-cells are smooth, colorless, highly refractive, spheric or ovoid cells.
- Its disadvantage is that it introduces, with the bread, a variable amount of lactic acid and numerous yeast-cells.
- The microscope commonly shows sarcin, bacteria, and great numbers of yeast-cells.
- Dinner was over; the boys rushed into the playground; neither the yeast dumplings nor the salt beef stuck in their throats.
- "Yeast that ferments is always sour, my child," replied the baker, reclining his head pensively.