香椿叶，为楝科落叶乔木香椿的嫩叶，又名香椿头、香椿芽，是早春上市的树生蔬菜。香椿的营养价值较高，除了含有蛋白质、脂肪、碳水化合物外，还有丰富的维生素、胡萝卜素、铁、磷、钙等多种营养成分。
优选香椿叶总黄酮的最佳提取工艺。
The solvent countercurrent extraction process for total flavonoids from Toona sinensis (A Juss.
香椿叶中含有亚硝盐，用沸水烫后，可降低其含量。
The chinese toon leaf contains nitrate, which can be decreased by blanching it the boiling water.
在单因素实验的基础上探讨了香椿叶黄酮类化合物提取的最佳工艺参数。
On the base of single-factor experiment, the optimum parameters of extraction for flavonoids from Toona sinensis leaves were discussed.
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