Wild Yam
Dioscorea villosa
DESCRIPTION
Medicinal Parts: The medicinal part is the dried rhizome with
the roots.
ACTIONS AND PHARMACOLOGY
COMPOUNDS
Saponins: including dioscin (aglycone diosgenin)
Isoquinuclidine alkaloids: including dioscorin
Pyridinal alkaloids: including dioscorine
EFFECTS
Wild Yam has an antispasmodic, and a mild diaphoretic effect. The root
of the plant is used as a precursor for manufacturing progesterone
and estrogen in the lab. However the body does not convert diosgenin
into estrogen or any other steroid.
Estrogenic effect:
Diosgenin has been found to have an estrogenic effect on mouse mammary
epithelium. Ovariectomized mice that received diosgenin (sc) at dosage
levels between 20 and 40 mg/kg for 15 days had significant increases
in mammary development scores. When administered estrogen and disogenin,
an augmentation of the estrogenic effect was recorded (Aradhana et al,1992).
INDICATIONS AND USAGE
Wild Yam is used for rheumatic conditions, gallbladder colic, dysmenorrhea
and cramps. Wild Yam is used industrially as an active agent in the
half-synthesis of steroid hormones and the manufacture of homeopathic
preparations.
PRECAUTIONS AND ADVERSE REACTIONS
Health risks or side effects following the proper administration of
designated therapeutic dosages are not recorded.
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