As comparing with the crude ceramide, the content of galactosyl ceramide in the finished ceramide dry powder has been increased from 30.
2
并以溶剂萃取法对烟碱粗制品纯化，以烟碱和软脂酸的成盐反应精制烟碱。
The unrefined nicotine was purified using solvent extraction and the nicotine was refined by a salification reaction of nicotine and palmitic acid.
3
以上结果提示，投喂lhrh_a粗制品可以促进鲫鱼生长而不影响它营养成分的含量。
The results indicated that the growth could be accelerated by LHRH_A (crude product) with no significant changes in the contents of nutritious component in goldfish.
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