Tag: Hydrolysable tannins

Q1. Caffeic acid is a precursor of? Lignin Tannins Cyanidin Pelargonidin ANSWER: A. Lignin Explanation – Phenolic acids are non-flavonoid polyphenolic chemicals that may be split into two categories based on their C1–C6 and C3–C6 backbones: benzoic acid and cinnamic ...