Results 11 to 20 of about 29,024 (193)

Cat's claw oxindole alkaloid isomerization induced by common extraction methods [PDF]

open access: yesQuímica Nova, 2013
Cat's claw oxindole alkaloids are prone to isomerization in aqueous solution. However, studies on their behavior in extraction processes are scarce. This paper addressed the issue by considering five commonly used extraction processes.
Samuel Kaiser   +6 more
doaj   +2 more sources

CHEMICAL COMPOSITION VARIABILITY IN THE Uncaria tomentosa (cat’s claw) WILD POPULATION

open access: yesQuímica Nova, 2015
Uncaria tomentosa (cat's claw) is a vine widely distributed throughout the South-American rainforest. Many studies investigating the chemical composition of cat's claw have focused on the pentacyclic (POA) and tetracyclic oxindole alkaloids (TOA ...
Evelyn Maribel Condori Peñaloza   +5 more
doaj   +2 more sources

Functional morphology of the pharyngeal teeth of the ocean sunfish, Mola mola. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract Many fish use a set of pharyngeal jaws in their throat to aid in prey capture and processing, particularly of large or complex prey. In this study—combining dissection, CT scanning, histology, and performance testing—we demonstrate a novel use of pharyngeal teeth in the ocean sunfish (Mola mola), a species for which pharyngeal jaw anatomy had ...
Flaum B, Blumer MJ, Dean MN, Ekstrom LJ.
europepmc   +2 more sources

Influence of Dentin Priming with Tannin-Rich Plant Extracts on the Longevity of Bonded Composite Restorations [PDF]

open access: yesThe Scientific World Journal, 2021
Objective. This in vitro study evaluated the influence of bioactive plant extracts as dentin biomodifying agents to improve the longevity of bonded restorations.
Mackeler Ramos Polassi   +9 more
doaj   +2 more sources

Modulation of Multispecific Transporters by Uncaria tomentosa Extract and Its Major Phytoconstituents [PDF]

open access: yesPharmaceutics
Background/Objectives: One of the major risks associated with the concomitant use of herbal products and therapeutic drugs is herb–drug interactions (HDIs).
Nóra Szilvásy   +10 more
doaj   +2 more sources

Investigating Potential Inhibitory Effect of Uncaria tomentosa (Cat's Claw) against the Main Protease 3CLpro of SARS-CoV-2 by Molecular Modeling. [PDF]

open access: yesEvid Based Complement Alternat Med, 2020
COVID-19 is a disease caused by severe acute respiratory syndrome coronavirus 2. Presently, there is no effective treatment for COVID-19. As part of the worldwide efforts to find efficient therapies and preventions, it has been reported the crystalline ...
Yepes-Pérez AF   +5 more
europepmc   +2 more sources

Follicular cystitis in a dog: First case report described in Brazil [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2023
A 2-year-old English bulldog presented history of recurrent lower urinary tract disease, refractory to treatment. The Complete Blood Count revealed lymphopenia, hyperproteinemia, and hyperglobulinemia, while urinalysis indicated leukocyturia and ...
F.A.F. Xavier Júnior   +7 more
doaj   +1 more source

Analysis of the distribution and abundance of two species of cat’s claw (Uncaria sp.) based on the knowledge of Tikuna indigenous communities in the southern Colombian Amazon

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales, 2023
Uncaria guianensis (Aublet) J.F. Gmel and U. tomentosa (Willd. ex Roemer & Schultes) D.C., commonly known as cat’s claw, are species with medicinal and commercial value in the Amazon region.
Lina Paola Garzón
doaj   +1 more source

Bark Extract of Uncaria tomentosa L. for the Control of Strawberry Phytopathogens

open access: yesHorticulturae, 2022
Gray mold (Botrytis cinerea Pers.), crown and fruit rot (Phytophthora cactorum (Lebert and Cohn) J.Schröt), and verticillium wilt (Verticillium dahliae Kleb.) are among the main diseases that affect the strawberry crop. In the study presented herein, the
Eva Sánchez-Hernández   +6 more
doaj   +1 more source

Uncaria tomentosa (Willd. ex Schult.) DC.: A Review on Chemical Constituents and Biological Activities

open access: yesApplied Sciences, 2020
Uncaria tomentosa (Willd. ex Schult.) DC. (Family: Rubiaceae), commonly known as cat’s claw, is a tropical medicinal vine originating at the Amazon rainforest and other areas of South and Central America.
Gaber El-Saber Batiha   +8 more
doaj   +1 more source

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