Results 151 to 160 of about 5,071 (202)

Molecular mechanisms and therapeutic potential of natural products and traditional Chinese medicine formulas in ADHD: a review of preclinical evidence. [PDF]

Front Pharmacol
Deng H, Li B, Mu Y, Xia W, Weng N.
europepmc   +1 more source

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Alkaloids of Uncaria callophylla

Phytochemistry, 1985
Abstract A verified sample of Uncaria callophylla was investigated for its alkaloid content. The stems provided mainly pseudoyohimbine and dihydrocorynantheine while the leaves furnished dihydrocorynantheine, gambirine and an unknown dimeric alkaloid probably derived from gambirine and pseudoyohimbine.
S H Goh
exaly   +2 more sources

Alkaloids of Uncaria

Planta Medica, 1980
J D Phillipson, J Phillipson
exaly   +2 more sources

Characterization and Comparative Analysis of Chloroplast Genomes in Five Uncaria Species Endemic to China

International Journal of Molecular Sciences, 2022
Uncaria, a perennial vine from the Rubiaceae family, is a typical Chinese traditional medicine. Currently, uncertainty exists over the Uncaria genus’ evolutionary relationships and germplasm identification.
Qiuling He, Minmin Chen
exaly   +2 more sources

Morphoanatomical studies of Uncaria tomentosa and Uncaria guianensis bark and leaves

Phytomedicine, 2004
The genus Uncaria Schreber (Rubiaceae) includes species that are widely distributed in tropical areas. The inner bark of the stems and leaves of two native species of South America, Uncaria tomentosa (Willd. ex Roemer & Schultes) DC., and Uncaria guianensis (Aublet) J. F.
M, Gattuso, O, Di Sapio, S, Gattuso, E Li, Pereyra   +3 more
openaire   +2 more sources

Alkaloids from Uncaria quadrangularis

Planta Medica, 1979
Dhavadee Ponglux
exaly   +2 more sources

Hypotensive Principles of Uncaria Hooks

Planta Medica, 1983
A methanol extract of the Oriental crude drug “chōtōkō”, UNCARIA hooks, elicited a strong and long-lasting hypotension on injection into rats. The activity differed considerably from the effects expected for the known constituents, rhynchophylline and its analogues, which elicit only weak transient hypotensive effects.
K, Endo, Y, Oshima, H, Kikuchi, Y, Koshihara, H, Hikino   +4 more
openaire   +2 more sources

Identification of PXR Activators from Uncaria Rhynchophylla (Gou Teng) and Uncaria Tomentosa (Cat’s Claw)

Drug Metabolism and Disposition, 2023
Uncaria rhynchophylla (Gou Teng) and Uncaria tomentosa (cat's claw) are frequently used herbal supplements in Asia and America, respectively. Despite their common usage, information is limited regarding potential herb-drug interactions associated with Gou Teng and cat's claw. The pregnane X receptor (PXR) is a ligand-dependent transcription factor that
Saifei, Lei, Jie, Lu, Anqi, Cheng, Zahir, Hussain, Kevin, Tidgewell, Junjie, Zhu, Xiaochao, Ma   +6 more
openaire   +2 more sources

Alkaloids of Uncaria elliptica

Phytochemistry, 1997
Abstract Ajmalicine, formosanine, isomitraphylline and mitraphylline have been isolated from the bark of Uncaria elliptica . Differences in alkaloid content within the species have been observed. © 1997 Elsevier Science Ltd.
Thushara K.K. Diyabalanage, B.M.Mallika Kumarihamy, G.Percy Wannigama, Lalith Jayasinghe, Lucio Merlini, Leonardo Scaglioni   +5 more
openaire   +1 more source