Results 21 to 30 of about 2,513,921 (167)
Molecules, 2009 Activity-guided fractionation of a MeOH extract of the roots of Saussurea lappa C.B.Clarke (Compositae), using an in vitro protein tyrosine phosphatase 1B (PTP1B) inhibition assay, led to the isolation of four active constituents: betulinic acid (1 ...
MinKyun Na +6 more
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Indonesian Journal of Chemistry, 2019 Optimization of the lipase catalyzed enzymatic synthesis of betulinic acid amide in the presence of immobilized lipase, Novozym 435 from Candida antartica as a biocatalyst was studied.
Nurul Atikah Amin Yusof +4 more
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Preparations of Betulinic Acid Derivatives [PDF]
, 2004 Betulinic acid, 3~hydroxy-lup20(29)-ene-28-oic acid is a pentacyclic triterpene. Esterification reactions of betulinic acid were investigated. Betulinic acid esters such as 3-0-succinyl-betulinic acid, 3-0-(2',2'-dimethylsucciny1)-betulinic acid, 3-0-(
Mohd Ali, Mohd Tajudin
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Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2012 In order to evaluate the content of betulin and betulinic acids in Birch barks originating from Western Carpathians, Transylvania (Romania) forests, in relation with the location of birch trees, it was recorded the geographic and vegetation conditions at
Liviu HOLONEC +4 more
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PLoS ONE, 2023 Main protease (Mpro) of SARS-CoV-2 is considered one of the key targets due to its role in viral replication. The use of traditional phytochemicals is an important part of complementary/alternative medicine, which also accompany the concept of ...
Ramin Naderi Beni +3 more
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Distribution of betulinic acid in plant kingdom [PDF]
, 2014 Betulinic acid (3ß-hydroxy-lup-20(29)-en-28-oic acid) is a ubiquitous pentacyclic triterpenoid found in the plants. It is highly valued for its role in wide array of ailments viz.
Pai, Sandeep Ramchandra, Joshi, R K
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Molecules, 2019 As a novel natural compound delivery system, liposomes are capable of incorporating lipophilic bioactive compounds with enhanced compound solubility, stability and bioavailability, and have been successfully translated into real-time clinical ...
Qin Shu, Jianan Wu, Qihe Chen
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Enzymatic synthesis of betulinic acid ester [PDF]
, 2001 Enzymatic synthesis of betulinic acid ester (3-β-hydroxyl-oley-lup-20(29)-en- 28-oic acid) from betulinic acid and oleic acid in chloroform were investigated. Five commercial lipases (Candida rugosa. Aspergillus niger. Penicillium roquerti.
Chew, Won Yin
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Betulinic Acid Suppresses Ovarian Cancer Cell Proliferation through Induction of Apoptosis
Biomolecules, 2019 Ovarian cancer is one of the leading causes of cancer deaths worldwide in women, and the most malignant cancer among the different gynecological cancers.
Dahae Lee +6 more
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Glycosidation of betulinic acid using novozyme 435 [PDF]
, 2016 In this study, 3-O-β-D-glucopyranoside-betulinic acid was successfully synthesized via the reaction between betulinic acid and glucose catalyzed by immobilized lipase from Candida antarctica (Novozyme 435) in t-butanol.
Abdu, Hamisu
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