たん くさり脂肪 しぼう さんじゃありませんでした
tan kusarishi bōsanjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 短鎖脂肪酸

1. Was not short-chain fatty acid.; It was not a short-chain fatty acid.

Past/Perfective
Negative
Polite
Terminal Form