The ethanol could possibly be acidified with any non-harmful acid. Most well-liked acids are hydrochloric acid, phosphoric acid, and organic and natural acids for instance tartaric acid and citric acid. Hydrochloric acid leads to an extract possessing a attractive characteristic purple colour. The information from Percival et al. [sixty seven] https://cocoa-shell-granules90000.blogmazing.com/32831029/the-definitive-guide-to-cocoa-shell-granules