Results 11 to 20 of about 591 (163)

Saffron extract feed improves the antioxidant status of laying hens and the inhibitory effect on cancer cells (PC3 and MCF7) Growth. [PDF]

open access: yesVet Med Sci, 2022
Saffron petal extract can be used to potentially modulate the antioxidant status of laying hens and the inhibitory effect on cancer cells, best achieved with 60–80 ppm extract Abstract Background There have been some reports regarding supplementation of saffron petal extract on performance and egg quality in laying hens.
Vakili R, Toroghian M, Torshizi ME.
europepmc   +2 more sources

Salix babylonica L. as a Natural Anticoccidial Alternative in Growing Rabbits. [PDF]

open access: yesEvid Based Complement Alternat Med, 2019
Coccidiosis in rabbit production is responsible for high morbidity, mortality, and economic losses. The use of natural antimicrobial substances in rabbits represents a promising way to improve their health and production. The aim of the present study was to assess the activity of Salix babylonica hydroalcoholic extract (SBHE) on the elimination of ...
Rivero-Perez N   +8 more
europepmc   +2 more sources

Simultaneous Determination of 78 Compounds of Rhodiola rosea Extract by Supercritical CO2‐Extraction and HPLC‐ESI‐MS/MS Spectrometry

open access: yesBiochemistry Research International, Volume 2021, Issue 1, 2021., 2021
The plant Rhodiola rosea L. of family Crassulaceae was extracted using the supercritical CO2‐extraction method. Several experimental conditions were investigated in the pressure range of 200–500 bar, with the used volume of cosolvent ethanol in the amount of 1% in the liquid phase at a temperature in the range of 31–70°C.
Alexander M. Zakharenko   +4 more
wiley   +1 more source

Conversion of Flavonols into Anthocyanidins [PDF]

open access: yesNature, 1950
QUALITATIVE experiments with a wide range of γ-pyrones show that they are reduced by lithium aluminium hydride to γ-pyranols, which afford pyrylium salts on treatment with acids.
R, MIRZA, R, ROBINSON
openaire   +2 more sources

The Impact of Flavonols on Cardiovascular Risk

open access: yesNutrients, 2022
Cardiovascular disease (CVD) is the leading cause of deaths globally. The main target for prevention of cardiovascular (CV) risk are lifestyle changes, including particular dietary recommendations, involving high intake of fruits and vegetables. Flavonols are a subgroup of flavonoids—compounds present in fruits, vegetables, and tea—known for their ...
Joanna Popiolek-Kalisz, Emilia Fornal
openaire   +2 more sources

Advances in the Propolis Chemical Composition between 2013 and 2018: A Review

open access: yeseFood, Volume 1, Issue 1, Page 24-37, February 2020., 2020
Propolis is a lipophilic sticky substance collected by bees that has been used by humans for centuries. Owing to its healing, antioxidant, and other medicinal properties, its chemical composition has been widely studied. Most pharmacological properties of propolis have been attributed to its phenols and terpenes, mainly flavonoids, phenolic acids, and ...
Luka Šturm, Nataša Poklar Ulrih
wiley   +1 more source

Dietary flavonols and flavonol‐rich foods intake and the risk of breast cancer [PDF]

open access: yesInternational Journal of Cancer, 2004
AbstractLaboratory and animal studies suggest that dietary flavonols may reduce breast cancer risk but there are limited epidemiological studies. We computed flavonol intakes from dietary data collected by validated food frequency questionnaires in 1991 and 1995 from 90,630 women in the Nurses Health Study II. Using multivariate relative risks (RR) and
Adebamowo, C.A.   +6 more
openaire   +2 more sources

Myricetin: a Multifunctional Flavonol in Biomedicine [PDF]

open access: yesCurrent Pharmacology Reports, 2022
The root cause of many diseases like CVD, cancer, and aging is free radicals which exert their effect by interfering with different metabolic pathways. The sources of free radicals can be exogenous, like UV rays from sunlight, and endogenous due to different metabolic by-products.In our body, there are defense mechanisms present, such as antioxidant ...
Gopikrishna Agraharam   +2 more
openaire   +2 more sources

Protection Efficacy of the Extract of Ginkgo biloba against the Learning and Memory Damage of Rats under Repeated High Sustained +Gz Exposure

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 2016, Issue 1, 2016., 2016
Repeated high sustained positive Gz (+Gz) exposures are known for the harmful pathophysiological impact on the brain of rats, which is reflected as the interruption of normal performance of learning and memory. Interestingly, extract of Ginkgo biloba (EGb) has been reported to have neuroprotective effects and cognition‐enhancing effects. In this study,
Liang-En Chen   +5 more
wiley   +1 more source

Síntesis de flavonoles [PDF]

open access: yes, 1953
El presente trabajo trata sobre la síntesisde un cierto número de flavonoles empleando el métodode Kuhn y Loew. También se ha aplicado dicho método a la síntesisde una flavona. El método de Kuhn y Loew es una modificacióndel método de Robinson y consiste
Schopflocher, Nicolás G.
core   +1 more source

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