The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.
2
研究结果表明，螯虾壳虾青素主要是以游离的形式存在，红虾壳虾青素主要是以虾青素酯的形式存在。
The astaxanthin from crawfish waste was mainly free astaxanthin, and the astaxanthin from red shrimp waste was mainly astaxanthin ester.
3
结果优选出虾青素自乳化释药系统处方为橄榄油（60%）、聚山梨酯85（35%）、无水乙醇（5%）。
RESULTS The optimum self-emulsifying drug delivery system was composed of olive oil(60%), Tween 85(35%), absolute alcohol(5%).
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