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据文献记载,茅膏菜[Drosera peltata Smith var.Lunata(Buch.-Ham.)Clarke]中含有氢氰酸。作者就茅膏菜及其炮制品中是否含有氢氰酸这一问题进行了实验探讨。定性实验苦味酸试纸反应、普鲁士蓝及联苯胺反应均显示为阴性。又采用标准硝酸银溶
According to the literature, Drosera peltata Smith var.Lunata (Buch.-Ham.) Clarke contains hydrocyanic acid. The authors conducted experiments on whether or not hydrocyanic acid is contained in sundew and its processed products. Qualitative experiments with picric acid test paper reactions, Prussian blue, and benzidine reactions all showed negative results. Standard silver nitrate solution