Results 31 to 40 of about 13,958 (226)

Valepotriates From the Roots and Rhizomes of Valeriana jatamansi Jones as Novel N-Type Calcium Channel Antagonists

open access: yesFrontiers in Pharmacology, 2018
The roots and rhizomes of Valeriana jatamansi have long been used as folk medicine in Asia and usually named as “Zhizhuxiang” in Chinese for the treatment of abdominal distention and pain.
Fa-Wu Dong   +14 more
doaj   +1 more source

Tolerance of Plant Monoterpenes and Diterpene Acids by Four Species of Lymantriidae (Lepidoptera) Exhibiting a Range of Feeding Specificities [PDF]

open access: yes, 2018
Lymantriidae (Lepidoptera) is a family of leaf-feeding insects that includes some of the most damaging forest pests worldwide. Species within this family vary widely in feeding specificity.
Powell, Jaimie S, Raffa, Kenneth F
core   +3 more sources

Identification of iridoid glucoside transporters in Catharanthus roseus [PDF]

open access: yes, 2017
Monoterpenoid indole alkaloids (MIAs) are plant defense compounds and high-value pharmaceuticals. Biosynthesis of the universal MIA precursor, secologanin, is organized between internal phloem-associated parenchyma (IPAP) and epidermis cells ...
Colinas Martinez, Maite   +9 more
core   +2 more sources

Three New Iridoid Derivatives Have Been Isolated from the Stems of Neonauclea reticulata (Havil.) Merr. with Cytotoxic Activity on Hepatocellular Carcinoma Cells

open access: yesMolecules, 2018
Three new iridoids, namely neonanin A (1), neonanin B (2) and neoretinin A (3), as well as twelve known compounds, 6-hydroxy-7-methyl-1-oxo-4-carbomethoxyoctahydrocyclopenta[c]pyran (4), 4-epi-alyxialactone (5), loganetin (6), loganin (7), phenylcoumaran-
Fang-Pin Chang   +8 more
doaj   +1 more source

Transcriptome‐based identification and functional characterization of iridoid synthase involved in monotropein biosynthesis in blueberry

open access: yesPlant Direct, 2023
Blueberries (Vaccinium spp.) are well known for their nutritional quality, and recent work has shown that Vaccinium spp. also produce iridoids, which are specialized metabolites with potent health‐promoting benefits.
Lovely Mae F. Lawas   +4 more
doaj   +1 more source

ZZE-Configuration of chromophore ß-153 in C-phycocyanin from Mastigocladus laminosus [PDF]

open access: yes, 1987
The photochemistry of C-phycocyanin has been studied after denaturation in the dark. It shows an irreversible reaction which has characteristics of a Ζ,Ζ,Ε- to Z,Z,Z-isomerization of dihydrobilins. Its amplitude depends on the reaction conditions, with
Bode, W.   +7 more
core   +1 more source

Iridoids and iridoid glucosides from fruits of Crescentia cujete [PDF]

open access: yesPhytochemistry, 1997
Abstract Further study on the constituents of the fruits of Crescentia cujete afforded 16 iridoids and iridoid glucosides. The structures of eight new compounds, named crescentins I–V and crescentosides A, B and C, were determined by analysis of their spectral data.
Tetsuo Kaneko   +4 more
openaire   +1 more source

Unusual iridoid glycosides in Veronica sects. Hebe and Labiatoides [PDF]

open access: yes, 2008
In a chemosystematic investigation of three Southern hemisphere species of Veronica, namely the Australian V. derwentiana Andrews and V. perfoliata R.Br. (formerly Derwentia species), and the New Zealand V. catarractae G.
Jensen, Søren Rosendal
core   +1 more source

Studies of the structure-antioxidant activity relationships and antioxidant activity mechanism of iridoid valepotriates and their degradation products. [PDF]

open access: yesPLoS ONE, 2017
Oxidative stress has been associated with diverse diseases, including obesity, cancer and neurodegeneration. In fact, Valeriana jatamansi Jones (valerian) and its extracts possess strong antioxidant activities that extend their application in clinical ...
Feifei Wang   +6 more
doaj   +1 more source

Protective effects of paederoside in rotenone-induced cellular models of Parkinson’s disease

open access: yesFrontiers in Cell and Developmental Biology
IntroductionParkinson’s disease (PD) is the most prevalent age-related neurodegenerative motor disorder. It affects approximately 1% of individuals aged 65 and older, with its prevalence increasing significantly with advancing age.
Juan Lang   +3 more
doaj   +1 more source

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