To subgroup the lactic acid bacteria, which are incapable of aerobic degradation and only do fermentation, identifying products formed is a useful way to distinguish homofermentative versus heterofermentative lactic acid bacteria.

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Identifying products formed can indeed help distinguish homofermentative and heterofermentative lactic acid bacteria, as the former only produce lactic acid as a product of fermentation while the latter produce both lactic acid and other compounds like ethanol and acetic acid.

To Subgroup the Lactic Acid Bacteria, Which Are Incapable of Aerobic