结论：梯度分离葡萄籽原花青素提取物的效果令人满意。
Conclusion: Gradient extraction of grape seed proanthocyanidin was very promising.
目的：研究葡萄籽原花青素提取物（GSPE）对大鼠乙酸性结肠炎的治疗作用。
AIM: To study the therapeutic effects of grape seed proanthocynidins extract(GSPE)on acetic acid-induced colitis in rats.
利用不同的方法(还原能力、DPPH法、TEAC法和脂质体过氧化)评价了中华补血草根提取物的抗氧化活性，同时测定了其总酚、黄酮和原花青素的质量分数。
The antioxidant activity of Limonium simens (Girard) Kuntze root extract was examined using various antioxidant assays, such as reducing power, DPPH assay, TEAC assay, lipid peroxidation.
通过本实验研究可以看出葡萄籽原花青素提取物具有较强的降血糖作用，降糖机制可能与其提高胰岛素水平和抗氧化能力有关。
We concluded that GSPE could significantly decrease blood glucose level, and the mechanism might be related to increase of insulin level and antioxidant activity of diabetic mice.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
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