| fermentation substrates | Materials used as food for growing microorganisms, part of the culture medium along with chemicals that facilitate fermentation and other trace materials. (14 Nov 1997) |
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| lactic acid fermentation | <biochemistry> A type of fermentation carried out by lactic acid bacteria in which sugar (for example lactose, glucose, pentose) are converted either entirely (or almost entirely) to lactic acid (homolactic fermentation) or to a mixture of lactic acid and other products (heterolactic fermentation). (09 Oct 1997) |