Results 51 to 60 of about 322 (131)

Synthetic modifications of the natural lignan hydroxymatairesinol towards ligands for asymmetric catalysis [PDF]

open access: yes, 2017
Finland has a long history of utilizing wood as fuel, construction material and for paper production. However, modern reality raises the question of more efficient and advanced utilization of wood‐based natural products. One promising family of compounds
Brusentsev, Yury
core  

Stereoselective synthesis of β-(hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones. [PDF]

open access: yes, 2011
Zinc or a chromium(II) source with 3-(bromomethyl)furan-2(5H)-one (3) and an aldehyde gives β-(hydroxymethylaryl/alkyl)-α-methylene-γ-butyrolactones 5 in good yields and high diastereoselectivities. The methodology is demonstrated in concise syntheses of
Barry P. Clark   +6 more
core   +1 more source

Antioxidant Capacity and Polyphenol Compounds Characterization Through LC‐ESI‐QTOF‐MS/MS in Citrus Peels From Different Varieties

open access: yesJournal of Food Biochemistry, Volume 2025, Issue 1, 2025.
Citrus peel, a waste product of fruit processing industries, is an abundant source of polyphenols with strong antioxidant capacity. This study aimed to investigate the antioxidant potential of peels from six Victorian‐grown citrus varieties through a combination of in vitro antioxidant assays and polyphenol profiling by LC‐ESI‐QTOF‐MS/MS.
M. B. Tanujaya   +5 more
wiley   +1 more source

In vitro metabolism of plant lignans:New precursors of mammalian lignans enterolactone and enterodiol [PDF]

open access: yes, 2001
The metabolism of the plant lignans matairesinol, secoisolariciresinol, pinoresinol, syringaresinol, arctigenin, 7-hydroxymatairesinol, isolariciresinol, and lariciresinol by human fecal microflora was investigated to study their properties as mammalian ...
Liukkonen, Kirsi   +7 more
core   +1 more source

Effects of A Breast-Health Herbal Formula Supplement on Estrogen Metabolism in Pre- and Post-Menopausal Women not Taking Hormonal Contraceptives or Supplements: A Randomized Controlled Trial

open access: yesBreast Cancer: Basic and Clinical Research, 2010
Introduction Both indole-3-carbinol and dietary lignans have beneficial effects on estrogen metabolism and breast cancer risk. There is no published literature on the effects of a combination product.
Maggie Laidlaw   +2 more
doaj   +1 more source

Antioxidant Potential and Characterization of Polyphenol Compounds in Moringa oleifera Pods

open access: yesFood Science &Nutrition, Volume 12, Issue 12, Page 10881-10902, December 2024.
This study examines the influence of environmental conditions on the antioxidant potential of fresh moringa pods cultivated in two Australian states. The pods are a rich source of polyphenols with potent antioxidant properties. ABSTRACT The aim of this investigation was to comparatively assess the antioxidant and polyphenol compounds in fresh moringa ...
Rongjia Xie   +4 more
wiley   +1 more source

Influence of reaction parameters on the hydrogenolysis of hydroxymatairesinol over carbon nanofibre supported palladium catalysts [PDF]

open access: yes, 2008
The influence of catalyst particle size, stirring rate, catalyst mass (0.2–0.6 g), reaction temperature (60–70 C), and reactant concentration (1.3–4 mmol/L, with constant reactant/catalyst ratio) on the hydrogenolysis of the lignan hydroxymatairesinol ...
Heterogene katalyse en oppervlakteonderzoek   +6 more
core  

Polyvinyl alcohol films incorporating cellulose nanocrystals, chitosan, and mesoporous silica nanoparticles for enhanced stability and controlled release of beet extracts

open access: yesCarbohydrate Polymer Technologies and Applications
Despite advancements in polymer-based sustainable materials, developing food packaging that balances mechanical strength, flexibility, antioxidant activity, solubility, and antibacterial efficacy remains challenging.
Solmaz Pourbarghi Soufiani   +4 more
doaj   +1 more source

Concentrations of PKE-derived phenolic compounds in serum of PC-3M-luc2 orthotopic xenograft bearing mice.a [PDF]

open access: yes, 2014
aTumor bearing male mice were gavaged with vehicle or PKE for 3 weeks. Terminal serum samples were collected 2–3 hours after the last gavage of PKE. NTG, nortachelogenin; MePS, pinosylvin monomethyl ether; PS, pinosylvin; HMR, 7-hydroxymatairesinol; MR ...
Niina M. Saarinen (546443)   +8 more
core   +1 more source

Arylnaphthalene and aryltetralin‐type lignans in hairy root cultures of Linum perenne , and the stereochemistry of 6‐methoxypodophyllotoxin and one diastereoisomer by HPLC‐MS and NMR spectroscopy [PDF]

open access: yes, 2015
International audienceIntroduction Hairy root cultures of Linum sp. are an alternative for the high production of lignans. Linum perenne is known to produce arylnaphthalene‐type lignans such as justicidin B, isojusticidin and diphyllin.
Boitel-Conti, Michèle   +8 more
core   +1 more source

Home - About - Disclaimer - Privacy