Results 161 to 170 of about 5,071 (202)

Uncaria tomentosa

Italian Journal of Dermatology and Venereology, 2017
Uncaria tomentosa (U. tomentosa) or uña de gato, a species of vine of Rubiaceae family, was used from centuries in various medical conditions. Although there are no randomized controlled trials or published human outcome studies, some conditions reportedly improved by U.
openaire   +2 more sources

Alkaloids of Uncaria longiflora

Phytochemistry, 1973
Abstract Six isomers of the pentacyclic oxindoie alkaloid mitraphylline and five of their N -oxides have been identified as being present in the leaves of Uncaria longiflora (Poir.) Merr. Isomitraphylline and mitraphylline N -oxides have been prepared and characterized.
J. David Phillipson, Sarah R. Hemingway
openaire   +1 more source

Alkaloids of uncaria elliptica

Phytochemistry, 1983
Abstract Six samples of Uncaria elliptica leaves from Thailand were investigated for their alkaloid content. Seven diastereoisomers of the pentacyclic heteroyohimbine series of alkaloids, 14-β-hydroxy-3-isorauniticine and tetrahydroalstonine N-oxide were isolated.
J.David Phillipson, Narong Supavita
openaire   +1 more source

Ethnobotany, Phytochemistry and Pharmacology of Uncaria (Rubiaceae)

ChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Mary E, Heitzman, Catherine C, Neto, Elizabeth, Winiarz, Abraham J, Vaisberg, Gerald B, Hammond   +4 more
openaire   +2 more sources

Proapoptotic effect of Uncaria tomentosa extracts

Journal of Ethnopharmacology, 2006
Uncaria tomentosa ("Uña de gato") (Rubiaceae) is widely used in South America for treatment of gastritis, arthritis, cancer and inflammatory conditions. Recent literature reports cytostatic, antiproliferative, anti-inflammatory, mutagenic and anti-mutagenic properties of extracts of the plant.
DE MARTINO, LAURA, MARTINOT J. L. S, FRANCESCHELLI, Silvia, LEONE A, PIZZA, Cosimo, DE FEO, Vincenzo   +5 more
openaire   +3 more sources

Uncaria Elliptica a Major Source of Rutin

Planta Medica, 1979
Planta Medica ; 36 ; 2 ; 174-177 ...
Balz, J.P., Das, N.P.
openaire   +2 more sources

Bark and Wood Anatomy of Uncaria Guianensis and Uncaria Tomentosa (“Cat's claw”)

IAWA Journal, 2005
Uncaria guianensis (Aubl.) J.F. Gmel. and Uncaria tomentosa (Willd. ex Roem. & Schult.) DC. (Rubiaceae) have a bark commonly used medicinally by ethnic peoples in South America. Both plants, which are called “cat's claw”, are now being commercialised, but unfortunately they are often sold adulterated with other species.
openaire   +1 more source

Alkaloid distribution in Malaysian Uncaria

Phytochemistry, 1992
Abstract Eight Malaysian Uncaria species were investigated for their alkaloidal content and the alkaloid distribution amongst the species investigated is discussed. Two new indole alkaloids, isogambirine and gambireine were isolated from U. callophylla . This species was also found to show a seasonal variation in its alkaloid content.
Toh-Seok Kam, Kee-Huat Lee, Swee-Hock Goh   +2 more
openaire   +1 more source

Anti-inflammatory and antioxidant activities of cat's claw (Uncaria tomentosa and Uncaria guianensis) are independent of their alkaloid content

Phytomedicine, 2002
Cat's claw is an herbal medicine from the Amazon that is used widely to treat inflammatory disorders. The purpose of this study was to characterize the antioxidative and antiinflammatory properties of cat's claw, Uncaria tomentosa (UT) and Uncaria guianensis (UG).
M, Sandoval, N N, Okuhama, X J, Zhang, L A, Condezo, J, Lao, F M, Angeles', R A, Musah, P, Bobrowski, M J S, Miller   +8 more
openaire   +2 more sources

Uncaria tomentosa (Willd. ex Schult.) DC. and Uncaria guianensis (Aubl.) J.F. Gmell

2018
The jungles of Central and South America contain two predominant species of cat’s claw (Una de Gato), Uncaria tomentosa (Willd. ex Schult.) DC. and Uncaria guianensis (Aubl.) J.F. Gmell, which are used in traditional medicine mainly for their anti-inflammatory properties.
Izaskun Urdanibia, Peter Taylor
openaire   +1 more source