Toxicity of yam
IS YAM A TOXIC PLANT?
The term " yam" refers to a genus of more than 600 plants belonging to the family of Dioscoreaceae. Among these, only 12 are edible yam species, whereas other species are considered toxic or not used in phytotherapy.
Some species have edible fruit toxicity, leaves or tubers.
Wild yam (Dioscorea villosa) is the most used in naturopathy. These supplements are not toxic in doses patterned by the specialist. However, its overdose can have unwanted side effects. This supplement is not suitable for pregnant and lactating women.
* More information: See the Side Effects of yam in the listing above.
What are the toxic components of Yam?
The composition o yam may vary according to the species in question:
- Wild yam (D. villosa) and its extracts contain steroidal saponins called diosgenin, dioscin and dioscorin.
- Edible species of yam often have low content of saponins, and moreover, they are partially destroyed during cooking. When the tuber is rich in such components, it tastes bitter and unpleasant, so it is not consumed.
More information about yam in the listing above
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This material is for informational purposes only. In case of doubt, consult the doctor.