Medicinal plants constitute an effective source of traditional and modern medicine. Adulterations and substitutions are common in raw material trade of medicinal plants. In general, adulteration is considered as an intentional malpractice. However, in raw material trade unintentional adulteration also exists. This article explains some of the reasons for unintentional adulterations with examples and key characters to distinguish them.
Mitra, S. K. and Kannan, R.
"A Note on Unintentional Adulterations in Ayurvedic Herbs,"
1, Article 3.
Available at: http://opensiuc.lib.siu.edu/ebl/vol2007/iss1/3