In order to decide picking period of leaves of indocalamus as well as reasonably utilize them , the contents of glucide , proteit , total flavonoids , total lactones and metal elements in leaves of indocalamus latifolius , indocalamus tessellates and indocalamus guangdongensis var.

为确定箬叶的适宜采摘期和有效开发利用箬叶资源,分别测定阔叶箬竹叶、箬竹叶、柔毛箬竹叶冬季和夏季、不同生长土壤环境下的糖类、蛋白质、总黄酮、总内酯和金属元素含量。