Results 21 to 30 of about 1,830 (163)

Optimized Ultrasound-Assisted Extraction of Psidium laruotteanum Roots: A Concentrated Source of Piceid from the Brazilian Savanna [PDF]

open access: yes, 2023
Psidium laruotteanum is a subshrub Myrtaceae, native to the Brazilian savanna, and distributed in Central and South America. Here, the health beneficial compound piceid (reservatrol-3-β-mono-d-glucoside) is described for the first time in the genus ...
Ana Ruíz-Rodríguez   +11 more
core   +1 more source

Exogenous Stilbenes Improved Tolerance of Arabidopsis thaliana to a Shock of Ultraviolet B Radiation

open access: yesPlants, 2021
Excessive ultraviolet B (UV-B) irradiation is one of the most serious threats leading to severe crop production losses. It is known that secondary metabolite biosynthesis plays an important role in plant defense and forms a protective shield against ...
Zlata V. Ogneva   +5 more
doaj   +1 more source

Tolerance of Arabidopsis thaliana plants overexpressing grapevine VaSTS1 or VaSTS7 genes to cold, heat, drought, salinity, and ultraviolet irradiation

open access: yesBiologia Plantarum, 2021
Stilbene synthases (STS) are plant enzymes that are responsible for the biosynthesis of stilbenes, which are plant phenolic compounds with valuable biological properties.
Z.V. OGNEVA   +5 more
doaj   +1 more source

Arachis hypogaea resveratrol synthase 3 alters the expression pattern of UDP-glycosyltransferase genes in developing rice seeds.

open access: yesPLoS ONE, 2021
The resveratrol-producing rice (Oryza sativa L.) inbred lines, Iksan 515 (I.515) and Iksan 526 (I.526), developed by the expression of the groundnut (Arachis hypogaea) resveratrol synthase 3 (AhRS3) gene in the japonica rice cultivar Dongjin, accumulated
Choonseok Lee   +9 more
doaj   +1 more source

Resveratrol and piceid isomers concentrations in grapevine shoots, leaves, and tendrils

open access: yesHorticultural Science, 2016
The objective of this study was to evaluate the levels of cis- and trans-isomers of resveratrol and piceid contained in the shoots, leaves and tendrils of six grapevine varieties and three locations processed under two different drying conditions.
J. Lachman   +7 more
doaj   +1 more source

Influence of the 135 bp Intron on Stilbene Synthase VaSTS11 Transgene Expression in Cell Cultures of Grapevine and Different Plant Generations of Arabidopsis thaliana

open access: yesHorticulturae, 2023
Modern plant biotechnology often faces the problem of obtaining a stable and powerful vector for gene overexpression. It is known that introns carry different regulatory elements whose effects on transgene expression have been poorly studied.
Konstantin V. Kiselev   +6 more
doaj   +1 more source

Glycosylation of Piceid and Resveratroloside by Bioconversion with Glucosyltransferase Expressed in

open access: yesNatural Product Communications, 2019
The glycosylation of piceid and resveratroloside was investigated using glucosyltransferase from Phytolacca americana expressed in Escherichia coli .
Kei Shimoda   +11 more
doaj   +1 more source

Optimized Ultrasound-Assisted Extraction of Phenolic Compounds from Polygonum cuspidatum

open access: yesMolecules, 2013
In this study the phenolic compounds piceid, resveratrol and emodin were extracted from P. cuspidatum roots using ultrasound-assisted extraction. Multiple response surface methodology was used to optimize the extraction conditions of these phenolic ...
Chia-Hung Kuo   +6 more
doaj   +1 more source

Use of Germination to Enhance Resveratrol Content and Its Anti-Inflammatory Activity in Lipopolysaccharide-Stimulated RAW264.7 Cells

open access: yesMolecules, 2023
Inflammation is triggered by a variety of danger signals and is now a worldwide concern. Resveratrol, a natural nonflavonoid polyphenol found in naturally consumed plants and foods, has a wide spectrum of bioactive potency.
Chaiwat Monmai   +2 more
doaj   +1 more source

Influence of terroir on the concentration of selected stilbenes in wines of the cv. Riesling in the Czech Republic

open access: yesHorticultural Science, 2012
The relationship between the terroir and the quality of grapes and/or wines is used in wine authenticity determination based on geographical origin. The phenolic compounds in grapes and wines are probably related to the terroir.
M. Kumšta, P. Pavloušek, J. Kupsa
doaj   +1 more source

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