• Journal Article

Analysis of Herbal Teas made from the Leaves of Comfrey (Symphytum Officinale): Reduction of N-Oxides Results in Order of Magnitude Increases in the Measurable Concentration of Pyrrolizidine Alkaloids

Citation

Oberlies, N., Kim, N-C., Brine, D., Collins, B. J., Handy, R., Sparacino, C., ... Wall, M. (2004). Analysis of Herbal Teas made from the Leaves of Comfrey (Symphytum Officinale): Reduction of N-Oxides Results in Order of Magnitude Increases in the Measurable Concentration of Pyrrolizidine Alkaloids. Public Health Nutrition, 7(7), 919-924.

Abstract