Results 31 to 40 of about 42,028 (236)
Beilstein Journal of Organic Chemistry, 2008 While separating two natural nano-sized triterpenic acids via bromolactonization, we serendipitously discovered that arjuna-bromolactone is an excellent gelator of various organic solvents.
Braja G. Bag +4 more
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Effect of an extract of Centella asiatica on the biodistribution of sodium pertechnetate (Na99mTcO4) and on the fixation of radioactivity on blood constituents [PDF]
, 2008 This study evaluates the effects of an acute treatment with a Centella asiatica (CA) extract on the biodistribution of the radiopharmaceutical Na99mTcO4 and on the fixation of technetium-99m on blood constituents. Wistar rats were treated with CA extract
Adenilson de Souza da Fonseca +22 more
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Química Nova, 2012 Prior to obtain a standardized dried extract from V. ferruginea, lupeol was first time isolated from leaves and used as chemical maker. An analytical method using HPLC-PDA for lupeol determination in V.
Ezequiane Machado Silva Oliveira +7 more
doaj +1 more source
Bright spots in the darkness of cancer: A review of starfishes-derived compounds and their anti-tumor action [PDF]
, 2019 The fight against cancer represents a great challenge for researchers and, for this reason, the search for new promising drugs to improve cancer treatments has become inevitable.
Arizza V. +4 more
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Triterpenes for Well-Balanced Scar Formation in Superficial Wounds
Molecules, 2016 Triterpenes are demonstrably effective for accelerating re-epithelialisation of wounds and known to improve scar formation for superficial lesions. Among the variety of triterpenes, betuline is of particular medical interest.
Stefan Kindler +10 more
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LifePhytochemical investigation of the methanol extract of Embelia parviflora Wall. Ex A. DC. leaves (Primulaceae family) led to the isolation of sixteen compounds including three sterols (1–3), one triterpene (4), four flavonoids (5–8), four megastigmanes ...
Sy Danh Thuong +6 more
doaj +1 more source
Triterpene Structural Diversification by Plant Cytochrome P450 Enzymes
Frontiers in Plant Science, 2017 Cytochrome P450 monooxygenases (P450s) represent the largest enzyme family of the plant metabolism. Plants typically devote about 1% of the protein-coding genes for the P450s to execute primary metabolism and also to perform species-specific specialized ...
Sumit Ghosh
doaj +1 more source
A conserved amino acid residue critical for product and substrate specificity in plant triterpene synthases [PDF]
, 2016 Triterpenes are structurally complex plant natural products with numerous medicinal applications. They are synthesized through an origami-like process that involves cyclization of the linear 30 carbon precursor 2,3-oxidosqualene into different triterpene
Al-Qurainy +12 more
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Facile Synthesis of Saikosaponins
Molecules, 2021 Saikosaponin A (SSa) and D (SSd) are typical oleanane-type saponins featuring a unique 13,28-epoxy-ether moiety at D ring of the aglycones, which exhibit a wide range of biological and pharmacological activities.
Ziqiang Wang +4 more
doaj +1 more source
, 2018 Yeasts are a group of eukaryotic microfungi with a well-defined cell wall whose growth is either entirely unicellular or a combination of hyphal and unicellular reproduction. The approximately 1500 known yeast species belong to two distinct fungal phyla,
Lachance, Marc-Andre, Walker, Graeme M.
core +2 more sources