| 单词 | porter yeast | 
| 释义 | > as lemmasporter yeast   porter yeast  n. ΚΠ ?1790    J. Dalrymple Observ. Yeast-cake 2  				London porter-yeast..is prefered..by the distillers. 1878    Johnson's New Universal Cycl. IV. 1389/2  				After which it is run into the fermentation-vat and a mixture of London-porter yeast and quick Scotch barm added. 2000    Re: Difference between Porter & Stout? in  alt.beer 		(Usenet newsgroup)	 7 Dec.  				Flag Porter even uses a recovered porter yeast, I believe,so it's a reasonable attempt at reconstruction. < as lemmas  | 
	
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