Results 51 to 60 of about 19,660 (234)

Diterpenoids of Marine Organisms: Isolation, Structures, and Bioactivities

open access: yesMarine Drugs
Diterpenoids from marine-derived organisms represent a prolific source of secondary metabolites, characterized by their exceptionally promising chemical structures and pronounced pharmacological properties.
Qi Shi   +10 more
doaj   +1 more source

Combining phenotypic, physiological, and multi‐omics studies to provide new insights on the role of 2,4‐epibrassinolide in regulation of seed shattering in Elymus sibiricus L.

open access: yesGrassland Research, EarlyView.
Abstract Background Seed shattering limits the production of Elymus sibiricus L., and application of exogenous brassinosteroid significantly alleviates plant organ abscission. Methods To explore the potential regulatory network of brassinosteroid on seed shattering, the abscission zone of E. sibiricus cv. Lanyu No.
Huanhuan Lu   +6 more
wiley   +1 more source

A new ent-labdane diterpenoid from Andrographis paniculata [PDF]

open access: yes, 2010
A new ent-labdane diterpenoid, 19-O-beta-D-glucopyranosyl-ent-labda-8(17),13-dien-15,16,19-triol, together with six known ent-labdane diterpenoids, was isolated from the aerial parts of Andrographis paniculata.
Peng, Shu Lin   +6 more
core  

New Sesquiterpenoids and a Diterpenoid from Alpinia oxyphylla

open access: yesMolecules, 2015
The new compounds 2-methyl-6-isopropyl-7-hydroxymethyl naphthalene (1), oxyphyllenone H (2), epi-oxyphyllenone (6), (E)-labda-12,14-dien-15(16)-olide-17-oic acid (3), and two new natural products 4 and 5 were isolated from the ethyl acetate part of 95 ...
Lei Hou   +6 more
doaj   +1 more source

Diterpenoids from the aerial parts of Isodon macrocalyx

open access: yesGuangxi Zhiwu, 2023
To study the constituents of Isodon macrocalyx, thirteen diterpenoids were isolated and purified from the aerial parts of I. macrocalyx by means of various column chromatographic techniques, including silica gel, ODS, Sephadex LH-20 and RP-C18 pre-HPLC ...
Yanling CHANG   +6 more
doaj   +1 more source

Caesalpinbondin A, a Novel Diterpenoid Lactone With an Unprecedented Carbon Skeleton from the Seeds of Caesalpinia bonduc

open access: yesFrontiers in Chemistry, 2022
Graphical ...
Dong-Qing Fei   +11 more
doaj   +1 more source

Review of phytochemical and antioxidant properties of Ethiopian medicinal plants

open access: yesJSFA reports, EarlyView.
Abstract Ethiopia possesses a rich ethnobotanical heritage and diverse medicinal flora that play an important role in traditional healthcare. Many Ethiopian medicinal plants contain bioactive phytochemicals with potential antioxidant properties. This capital of indigenous knowledge has contributed to the documentation of different medicinal plants that
Endalamaw Yihune   +2 more
wiley   +1 more source

DITERPENOID ALKALOIDS FROM ACONITUM-VILMORRIANUM [PDF]

open access: yes, 1991
A new diterpenoid alkaloid, vilmorrianone (1), has been isolated from Aconitum vilmorrianum Kom. The structure was elucidated by spectral methods and confirmed by X-ray diffraction analysis.
DING, LS, WU, FE, CHEN, YZ
core  

Secondary Metabolites with Antimycobacterial Activities from One Actinobacteria: Herbidospora yilanensis

open access: yesMolecules, 2021
The cultivation of one actinobacteria strain, Herbidospora yilanensis, was isolated from sediment samples collected from Yilan County City in Taiwan, resulting in the isolation of five previously undescribed compounds: herbidosporayilanensins A–E (1–5 ...
Ming-Jen Cheng   +4 more
doaj   +1 more source

Andrographolide Modulates Fibrogenic and Oxidative Stress Responses in Human Lung Fibroblasts

open access: yesThe Kaohsiung Journal of Medical Sciences, EarlyView.
ABSTRACT Pulmonary fibrosis is a progressive lung disorder characterized by fibroblast activation and excessive extracellular matrix deposition. Andrographolide (ANDRO) has been reported to attenuate pulmonary fibrosis, but the underlying molecular mechanisms remain incompletely understood.
Yu‐Hsin Tseng   +8 more
wiley   +1 more source

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