Montanoa tomentosa

Montanoa tomentosa is a species of flowering plant in the daisy family which is native to Mexico and much of Central America. Its local common name is zoapatle. This small yellow-flowered shrub is best known for its use in traditional herbal medicine.

Montanoa tomentosa
Montanoa tomentosa var. xanthiifolia
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Asterids
Order:
Asterales
Family:
Asteraceae
Genus:
Montanoa
Species:
M. tomentosa
Binomial name
Montanoa tomentosa

Traditional medicine

In Mexico, there is a history of the use of M. tomentosa as a traditional remedy for sexual dysfunction. An extract of the leaves was also used to start uterine contractions to induce menstruation, abortion, and labor, and to slow postpartum bleeding.[1][2] The related species Montanoa frutescens has similar effects in rats, but is much more likely to have contraceptive effects by causing structural changes in the endometrium.[3]

At traditionally medicinally used amounts (75 mg/kg), M. tomentosa increased expression of sexual and mounting behavior in sexually active male rats and also in genitally anesthetized rats which were previously sexually inactive (noncopulators).[4]

References
  1. Landgren, B. M.; Aedo, AR; Hagenfeldt, K; Diczfalusy, E (1979). "Clinical effects of orally administered extracts of Montanoa tomentosa in early human pregnancy". American Journal of Obstetrics and Gynecology. 135 (4): 480–4. doi:10.1016/0002-9378(79)90435-6. PMID 114055.
  2. Robles-Zepeda, R. E.; Molina-Torres, Jorge; Lozoya-Gloria, Edmundo; López, Mercedes G. (2005). "Volatile organic compounds of leaves and flowers of Montanoa tomentosa". Flavour and Fragrance Journal. 21 (2): 225–27. doi:10.1002/ffj.1560.
  3. Pedrón, N.; Estrada, AV; Ponce-Monter, H; Valencia, A; Guzmán, A; Gallegos, AJ (1985). "The zoapatle. VII. Antiimplantation effect in the rat of zoapatle aqueous crude extract (ZACE) from Montanoa tomentosa and Montanoa frutescens". Contraception. 31 (5): 499–507. doi:10.1016/0010-7824(85)90085-X. PMID 4028725.
  4. Carro-Juárez M, Cervantes E, Cervantes-Méndez M, Rodríguez-Manzo G (May 2004). "Aphrodisiac properties of Montanoa tomentosa aqueous crude extract in male rats". Pharmacol Biochem Behav. 78 (1): 129–34. doi:10.1016/j.pbb.2004.03.001. PMID 15159142. S2CID 21371622.


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