大豕草中光毒性化合物含量的季节性变化。
Seasonal variations in the content of phototoxic compounds in giant hogweed.
作者信息
Knudsen E A
出版信息
Contact Dermatitis. 1983 Jul;9(4):281-4. doi: 10.1111/j.1600-0536.1983.tb04391.x.
Abstract
The Candida inhibition method of Daniels was used for monthly determinations of the relative amounts of phototoxic substances in giant hogweed from April to September. Significant seasonal variations were found in the highest content of active constituents in April and May, with a decrease in the following months. Except in May (where it was highest for the root), the highest content of phototoxic substances was found in the leaves. It was lower in the root and lowest in the stem and stalk.
摘要
采用丹尼尔斯的念珠菌抑制法，于4月至9月每月测定大豕草中光毒性物质的相对含量。结果发现，4月和5月活性成分的含量最高，且有显著的季节性变化，随后几个月含量下降。除5月（根部含量最高）外，光毒性物质含量最高的部位是叶片。根部含量较低，茎和叶柄中含量最低。
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