Results 51 to 60 of about 1,570 (164)

A new ent-kaurane diterpene from Euphorbia stracheyi Boiss [PDF]

open access: yesNatural Product Research, 2016
The chemical investigation of whole plants Euphorbia stracheyi Boiss from China led to the isolation of one new ent-kaurane diterpene, ent-Kaurane-16β,17,19-triol-3-one (1), along with three known ent-kaurane diterpenoids (2–4) as ent-Kaurane-3α,16β,17-triol (2),ent-16S,17-dihydroxy-kaurane-3-one (3) and ent-3S,16S,17-trihydroxy-kaurane-2-one (4 ...
Tie, Liu   +6 more
openaire   +2 more sources

Production of ent-kaurene from lignocellulosic hydrolysate in Rhodosporidium toruloides. [PDF]

open access: yes, 2020
BACKGROUND:Rhodosporidium toruloides has emerged as a promising host for the production of bioproducts from lignocellulose, in part due to its ability to grow on lignocellulosic feedstocks, tolerate growth inhibitors, and co-utilize sugars and lignin ...
Burnum-Johnson, Kristin E   +15 more
core   +1 more source

Kupeantha (Coffeeae, Rubiaceae), a new genus from Cameroon and Equatorial Guinea [PDF]

open access: yes, 2018
Two new coffee relatives (tribe Coffeeae, Rubiaceae), discovered during botanical expeditions to Cameroon, are examined for generic placement, and the placement of three previously known species (Argocoffeopsis fosimondi, A. spathulata and Calycosiphonia
Alvarez-Aguirre, Maria G   +5 more
core   +3 more sources

Chemical and antimicrobial analyses of Sideritis romana L. subsp. purpurea (Tal. ex Benth.) Heywood, an endemic of the Western Balkan [PDF]

open access: yes, 2017
A comprehensive study on essential oil and different solvent extracts of Sideritis romana L. subsp. purpurea (Tal. ex Benth.) Heywood (Lamiaceae) from Montenegro is reported. The gas chromatography-mass spectrometry analysis of the essential oil revealed
Božović, Mijat   +7 more
core   +1 more source

Broussonetia papyrifera Root Bark Extract Exhibits Anti-inflammatory Effects on Adipose Tissue and Improves Insulin Sensitivity Potentially Via AMPK Activation [PDF]

open access: yes, 2020
The chronic low-grade inflammation in adipose tissue plays a causal role in obesity-induced insulin resistance and its associated pathophysiological consequences. In this study, we investigated the effects of extracts of Broussonetia papyrifera root bark
Choi, Jang Hyun   +9 more
core   +1 more source

Kaurane-type diterpenes from Adenostemma lavenia O. Kuntze.

open access: yesChemical and Pharmaceutical Bulletin, 1990
Ten 11-oxygenated kauran-19-oic acids, ent-11α, 15α-dihydroxykaur-16-en-19-oic acid, ent-11α-hydroxy-15α-acetoxykaur-16-en-19-oic acid, ent-11α-hydroxy-15-oxo-kaur-16-en-19-oic acid and adenostemmoic acids A-G and their nine glycosides, paniculosides II and III and adenostemmosides A-G were characterized from Adenostemma lavenia O. KUNTZE.
Shigeru SHIMIZU   +3 more
openaire   +2 more sources

Diterpene Synthases and Their Responsible Cyclic Natural Products [PDF]

open access: yes, 2014
This review provides an overview of diterpene synthases which were initially identified via genetic and/or biochemical means, traversing all organisms researched to ...
Hai-Yan Gong, Xiao-Ya Chen, Ying Zeng
core   +1 more source

A new ent-kaurane diterpene from Isodon henryi

open access: yesNatural Product Research, 2019
One new ent-Kaurane diterpenoid (1) was isolated from the ethyl acetate fraction of Isodon henryi. Along with ten diterpenoids (2–11) were isolated from this plant for the first time, including six 7,20-epoxy diterpenoids, three enmenol-type diterpenoids and one 6,7-seco-ent-kaurene diterpenoid.
Xue, Jiang   +7 more
openaire   +2 more sources

Casbane diterpene as a promising natural antimicrobial agent against biofilm-associated infections [PDF]

open access: yes, 2010
Croton nepetaefolius is a native plant from northeastern Brazil that belongs to the Euphorbiaceae family. The biological action of this plant has been extensively explored, being the secondary metabolites responsible for its properties alkaloids ...
Benildo Sousa Cavada   +18 more
core   +2 more sources

An overview of the traditional use, phytochemistry, and biological activity of the genus Homalanthus [PDF]

open access: yes, 2023
Homalanthus species are native to tropical Asia and the Pacific region. This genus, comprising 23 accepted species, received less scientific attention compared to other genera of the Euphorbiaceae family. Seven Homa-lanthus species, such as H. giganteus,
Hohmann Judit, Wirasisya Dyke Gita
core   +1 more source

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