Abstract
Summary
1. The turbidity produced by the growth of Lactobacillus arabinosus is greater in relation to acid production when the organisms are responding to suboptimal amounts of nicotinic acid than when they are responding to suboptimal amounts of biotin, pantothenic acid, or Z-tryptophane.
2. All the acid produced by the Lactobacillus arabinosus is lactic acid regardless of whether the bacteria are responding to nicotinic acid, biotin, or pantothenate.
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