Foodstuff industry: the production of Miltonic acid (hydrochloricacid); extraction of edible oil (sulfuric acid); the industry of tinned fruits (hydrochloric acid).
食品工业：葡萄糖酸的生产(盐酸)；食油的提炼(硫酸)；灌装水果工业(盐酸)。
2
The process includes hydrochloricacid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.
该工艺包括粗色素油的提取，虾青素酯的水解和虾青素粗品的纯化。
3
Collagen was extracted from pig skin by using hydrochloricacid method and the best extraction conditions were confirmed.