酵素 こうそ てき褐変 かっぺんでしょう
hikōsotekikappendeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 非酵素的褐変

1. Non-enzymatic browning, likely.; Probably non-enzymatic browning.

Polite
Presumptive
Conjecture