Results 71 to 80 of about 46,895 (288)

Triterpenes from Stachyurus himalaicus var. himalaicus Hook. f. et Thoms. ex Benth

open access: yesMolecules, 2010
Four triterpenes 1–4, including a new naturally occurring oleanane-type triterpene 1, were isolated by a multi-step chromatography procedure from the leaves and twigs of Stachyurus himalaicus var. himalaicus Hook. f. et Thoms.ex Benth.
Jing-Hua Yang   +4 more
doaj   +1 more source

Phytochemical Analysis of Podospermum and Scorzonera n-Hexane Extracts and the HPLC Quantitation of Triterpenes

open access: yesMolecules, 2018
Previously tested n-hexane extracts of the Scorzonera latifolia showed promising bioactivity in vivo. Because triterpenes could account for this activity, n-hexane extracts were analyzed by HPLC to identify and quantify the triterpenes as the most ...
Özlem Bahadır-Acıkara   +7 more
semanticscholar   +1 more source

Serine Protease Inhibitory Activity of Kampo Medicines: One of the Mechanisms Against Cold Syndrome

open access: yesTraditional &Kampo Medicine, Volume 13, Issue 2, August 2026.
Serine protease inhibitory activity is involved in the mechanism of Kampo medicines used for treating common cold symptoms Ryokankyomishingeninto exhibited serine protease inhibitory activity in vitro and in vivo. Ryokankyomishingeninto showed anti‐SARS‐CoV‐2 activity in VeroE6/TMPRSS2 cells. ABSTRACT Aim Serine proteases play a key role in coronavirus
Yukiko Matsuo   +8 more
wiley   +1 more source

Optimization of Extraction Process of Total Triterpenoids from Crataegus songarica by Response Surface Methodology and Its Purification Process

open access: yesShipin gongye ke-ji
In order to improve the high-value utilization of Crataegus songarica, the single factor experiment, orthogonal experiment and response surface design were used to optimize the extraction process of total triterpenes from Crataegus songarica by compound ...
Lin FENG   +4 more
doaj   +1 more source

Constituintes químicos e atividade antiedematogênica de Peltodon radicans (Lamiaceae) Chemical constituents and antiedematogenic activity of Peltodon radicans (Lamiaceae)

open access: yesQuímica Nova, 2008
Most of the snakebite incidents in the Amazon region involve Bothrops atrox, whose venom presents the most potent edematogenic and necrotic activities in the genus.
Habdel Nasser Rocha da Costa   +5 more
doaj   +1 more source

Multi‐Induction Strategies in Crops: Mechanisms, Synergistic Effects, and Sustainable Applications for Enhanced Secondary Metabolite Production

open access: yesFood Frontiers, Volume 7, Issue 4, July 2026.
This review analyzes single/combined abiotic (light, water, nutrients, hormones) and biotic (microbes, yeast) elicitors regulating signaling, gene expression, and metabolism to boost plant secondary metabolites. It highlights synergistic multielicitor strategies for crop quality and functional foods, while critically addressing current limitations and ...
Yifei Sun   +6 more
wiley   +1 more source

From Waste to Value: Solubility and Dissolution Enhancement of Bioactive Extracts from Olive Leaves Using Poloxamers

open access: yesMolecules
The European Union, producing over 2.5 billion tons of waste annually, has prompted the European Parliament to implement legal measures and encourage the shift towards a circular economy. Millions of tons of biowaste from olive plant leaves are generated
Muhammad Wasim, Maria Camilla Bergonzi
doaj   +1 more source

Advances in the Neurotoxic Mechanisms of Acrylamide and Multitarget Intervention Strategies of Natural Products

open access: yesFood Frontiers, Volume 7, Issue 4, July 2026.
This review summarizes recent advances in acrylamide neurotoxicity mechanisms and highlights the multitarget neuroprotective effects of diverse natural products while also addressing current challenges and future translational research directions.
Wen Du   +7 more
wiley   +1 more source

Isolation, Characterization and Anticancer Potential of Cytotoxic Triterpenes from Betula utilis Bark

open access: yesPLoS ONE, 2016
Betula utilis, also known as Himalayan silver birch has been used as a traditional medicine for many health ailments like inflammatation, HIV, renal and bladder disorders as well as many cancers from ages.
T. Mishra   +8 more
semanticscholar   +1 more source

Decoding Biothreats With FT‐ICR‐MS: Metabotyping of Bacillus cereus Spores Through Untargeted Metabolomics

open access: yesJournal of Mass Spectrometry, Volume 61, Issue 7, July 2026.
ABSTRACT Genome sequencing is the gold standard for microbial identification. However, it fails to distinguish closely related species with overlapping genetic features. This is the case of Bacillus cereus and Bacillus cytotoxicus, two members of the B. cereus group with distinct pathogenic profiles. While B. cereus, a well‐known opportunistic pathogen
Maria Inês Romão   +5 more
wiley   +1 more source

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