Conclusion: Gradient extraction of grape seed proanthocyanidin was very promising.
结论：梯度分离葡萄籽原花青素提取物的效果令人满意。
The proanthocyanidin content in the ultrafine powder of grape seed was determined inn-butanol-HCl reaction medium.
以正丁醇-盐酸为铁盐催化法的反应介质，测定了葡萄籽超微粉中的原花青素含量。
The proanthocyanidin content in the ultrafine powder of grape seed was determined inn-butanol-HCl reaction medium.
以正丁醇-盐酸为铁盐催化法的反应介质，测定了葡萄籽超微粉中的原花青素含量。
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