---

作 者 ：张跃进;孟祥海;杨东风;许玲;张小燕

期 刊 ：武汉植物学研究 2009年 27卷 5期 页码：533-536

关键词：半夏；光照强度；化学成分；

Keywords:Pinellia ternata(Thunb.) Breit., Light intensity, Chemical constituent,

摘 要 ：利用遮荫网对卵叶型半夏(Pinellia ternata(Thunb.)Breit.)进行遮荫,秋季倒苗后,测定其化学成分含量,以研究光强对半夏化学成分含量的影响。结果显示:全光照下半夏的生物碱、鸟苷和蛋白质含量较高,55%遮荫处理半夏的块茎增重幅度较大,80%遮荫处理的还原糖和可溶性糖含量较高。不同光照强度下,半夏化学成分含量有显著的差异,全光照处理有利于半夏生物碱、鸟苷和蛋白质的积累,80%遮荫处理有利于其还原糖和可溶性糖的积累,55%遮荫处理有利于半夏的生长,但其化学成分含量低于全光照处理。

Abstract:The effect of light intensities on the chemical constituents of the tuber of Pinellia ternata(Thunb.) Breit.(ovate leaf) was studied with the plants which were grown under different light intensities.When the sprouts wilted in autumn,the tubers were collected and the chemical constituents of it were measured.Results showed,there are higher alkaloids,guanosine and proteins contents with full sunlight treatment or without shading treatment.The tuber weights were bigger with 55% shading treatment.And the contents of reducing sugar and soluble sugar were higher.With 80% shading treatment,The contents of the chemical constituents were significantly influnced by different shading treatments.Full sunlight treatment is in favor of alkaloid,guanosine and protein accumulation.Reducing sugar and soluble sugar increase benefited from 80% shading treatment.And 55% shading treatment is conducive to the Pinellia ternata(Thunb.) Breit growth,but its chemical composition contents were less than full sunlight.

---