乳酸 にゅうさん桿菌 かんきんではありませんでした
nyūsankankindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 乳酸桿菌

1. Was not lactic acid bacteria.; Was not a lactobacillus.

Past/Perfective
Negative
Polite
Formal Register