Articles with "flavonoid contents" as a keyword



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Effect of different extraction techniques on total phenolic and flavonoid contents, and antioxidant activity of betelvine and quantification of its phenolic constituents by validated HPTLC method

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Published in 2019 at "3 Biotech"

DOI: 10.1007/s13205-018-1565-8

Abstract: The objective of the study is to analyze the effect of different extracting methods on the polyphenolic content and antioxidant activities in Piper betle leaves. In the present research, P. betle leaf extract was prepared by… read more here.

Keywords: extraction; total phenolic; effect different; flavonoid contents ... See more keywords
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Antioxidant Activity and the Polyphenolic and Flavonoid Contents of Five High Altitude Medicinal Plants Used in Bhutanese Sowa rigpa Medicine

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Published in 2017 at "Journal of Biologically Active Products from Nature"

DOI: 10.1080/22311866.2017.1287593

Abstract: Abstract In this work, total phenolic and flavonoid contents and antioxidant activities in methanol and aqueous extracts of five-high altitude medicinal plants namely Aconogonon tortuosum, Thlaspi arvense, Erysimum bhutanicum, Thalictrum chelidonii and Aletris pauciflora were… read more here.

Keywords: medicine; flavonoid contents; five high; high altitude ... See more keywords
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Validation of a HPLC Method for Flavonoid Contents in Spina Gleditsiae and Its Use to Illustrate the Various Quality of Cultivated Varieties

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Published in 2020 at "Natural Product Communications"

DOI: 10.1177/1934578x20946258

Abstract: Two cultivated varieties of Gleditsia sinensis Lam, Shuo Spina Gleditsiae (SSG) and Mi Spina Gleditsiae (MSG), are currently used in China as a mixture of the herb Spina Gleditsia. This work evaluates, for the first… read more here.

Keywords: cultivated varieties; quality; flavonoid contents; spina gleditsiae ... See more keywords
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Evaluation of Antioxidant Activities, Total Phenolic and Total Flavonoid Contents of Aqueous Extracts of Leaf, Stem, and Root of Aerva lanata

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Published in 2019 at "Chiang Mai University Journal of Natural Sciences"

DOI: 10.12982/cmujns.2019.0024

Abstract: Aerva lanata (Amaranthaceae) is a tropical weed commonly found in fields and wasteland. Several biological activities of this plant have been reported, such as antihyperglycemic, antimicrobial, and anticancer activities. Different antioxidant assays including DPPH radical… read more here.

Keywords: aerva lanata; total phenolic; flavonoid contents; stem root ... See more keywords
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Total flavonoid concentrations of bryophytes from Tianmu Mountain, Zhejiang Province (China): Phylogeny and ecological factors

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Published in 2017 at "PLoS ONE"

DOI: 10.1371/journal.pone.0173003

Abstract: The flavonoids in bryophytes may have great significance in phylogeny and metabolism research. However, to date there has been little research on bryophyte metabolites, especially flavonoids. To redress this somewhat, we determined flavonoid concentrations of… read more here.

Keywords: flavonoid contents; flavonoid concentrations; tianmu mountain; concentrations bryophytes ... See more keywords
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NaCl Induces Flavonoid Biosynthesis through a Putative Novel Pathway in Post-harvest Ginkgo Leaves

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Published in 2017 at "Frontiers in Plant Science"

DOI: 10.3389/fpls.2017.00920

Abstract: The flavonoids in the extracts of Ginkgo leaves have been shown to have great medical value: thus, a method to increase the flavonoid contents in these extracts is of significant importance for human health. In… read more here.

Keywords: flavonoid contents; post harvest; treatment; harvest ginkgo ... See more keywords
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Evaluation of Total Phenolic and Flavonoid Contents, Antibacterial and Antibiofilm Activities of Hungarian Propolis Ethanolic Extract against Staphylococcus aureus

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27020574

Abstract: Propolis is a natural bee product that is widely used in folk medicine. This study aimed to evaluate the antimicrobial and antibiofilm activities of ethanolic extract of propolis (EEP) on methicillin-resistant and sensitive Staphylococcus aureus… read more here.

Keywords: ethanolic extract; phenolic flavonoid; flavonoid contents; aureus ... See more keywords
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Impact of Tea Processing on Tryptophan, Melatonin, Phenolic and Flavonoid Contents in Mulberry (Morus alba L.) Leaves: Quantitative Analysis by LC-MS/MS

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27154979

Abstract: Mulberry (Morus alba L.) leaves from two cultivars, Yai-Burirum (YB) and Khunphai (KP), were prepared into green tea (GT) and black tea (BT). Compared to fresh leaf (FL) extract, GT and BT extracts were evaluated… read more here.

Keywords: processing; phenolic flavonoid; acid; tea ... See more keywords
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Variations in Total Phenolic, Total Flavonoid Contents, and Free Radicals’ Scavenging Potential of Onion Varieties Planted under Diverse Environmental Conditions

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Published in 2022 at "Plants"

DOI: 10.3390/plants11070950

Abstract: Genetic diversity and Agro-climatic conditions contribute significantly to the agronomic and morphological features of the food plant species, and their nutraceutical potential. The present study was intended to evaluate the impact of growing conditions on… read more here.

Keywords: total phenolic; free radicals; flavonoid contents; total flavonoid ... See more keywords
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Sun protection factor, total phenol, flavonoid contents and antioxidant activity of medicinal plants from Iran

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Published in 2021 at "Tropical Journal of Pharmaceutical Research"

DOI: 10.4314/tjpr.v18i7.11

Abstract: Purpose: To evaluate the correlation between sun protection factor (SPF) and the content of phenol and flavonoid and antioxidant activity. Methods: Different parts of 9 medicinal plants were extracted with methanol using three extraction methods… read more here.

Keywords: contents antioxidant; flavonoid contents; sun protection; activity ... See more keywords
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Assessment of Antioxidant Activity of Giant Snowdrop (Galanthus elwesii Hook) Extracts with Their Total Phenol and Flavonoid Contents

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Published in 2018 at "Indian Journal of Pharmaceutical Education and Research"

DOI: 10.5530/ijper.52.4s.88

Abstract: Background: The aim of this study was to determine total phenolic and flavonoid contents and antioxidant activities of Giant Snowdrop (Galanthus elwesii Hook). Objective: Giant Snowdrop, the second most common snowdrop in cultivation, has a… read more here.

Keywords: giant snowdrop; antioxidant activity; plant; flavonoid contents ... See more keywords