The ethanol may be acidified with any non-toxic acid. Preferred acids are hydrochloric acid, phosphoric acid, and natural acids for instance tartaric acid and citric acid. Hydrochloric acid brings about an extract possessing a fascinating characteristic purple colour. Matsumoto et al. [66] examined the inhibitory effects of cocoa shell extract https://cocoashellgranules05712.izrablog.com/34049911/cocoa-shell-for-dummies