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bergenia purpurascens/antioxidant
L'enllaç es desa al porta-retalls
Pàgina 1 des de 33 resultats
Antioxidant, antimicrobial activity and bioactive compounds of Bergenia ciliata Sternb.: A valuable medicinal herb of Sikkim Himalaya.
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Bergenia ciliata Sternb., commonly known as Paashaanbhed, is a well known herb of Sikkim Himalaya with various pharmaceutical properties. However, scientific exploration of B. ciliata, growing in the Sikkim Himalaya, for phytochemicals and pharmacological properties is in infancy. With this view,
Antimicrobial and antioxidant phytochemicals in leaf extracts of Bergenia ligulata: a Himalayan herb of medicinal value.
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Phenolic and flavonoid contents in leaf extracts of Bergenia ligulata have been analysed for their contribution in antimicrobial and antioxidant activities. The extracts were prepared in three solvents (separately) following maceration and soxhelt methods. The antimicrobial activity was tested using
Structure activity relationship of bergenin, p-hydroxybenzoyl bergenin, 11-O-galloylbergenin as potent antioxidant and urease inhibitor isolated from Bergenia ligulata.
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Ethanol extract of the aerial parts of Bergenia ligulata was subjected to solvent-solvent separation followed by various chromatographic techniques that lead to isolation of bergenine (1), p-hydroxybenzoyl bergenin (2), 11-O-galloylbergenin (3) and methyl gallate (4) as major constituents. Ethyl
Phytochemical, antioxidant and anti-α-glucosidase activity evaluations of Bergenia cordifolia.
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The antioxidant, anti-α-glucosidase and anticholinesterase activity of the leaves and rhizomatous extract of Bergenia cordifolia were investigated. The rhizomes extract that showed a higher degree of 1,1-diphenyl-2-picrylhydrazyl radical scavenging and anti-α-glucosidase activity than reference
Antioxidant activity and phenolic content of Bergenia crassifolia, B. x ornata and B. ciliata.
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This study focused on a phytochemical analysis of Bergenia crassifolia (L.) Fritsch., B. ciliata (Haw.) Sternb., and B. x ornata Stein. and evaluation of their free radical scavenging properties. Arbutin and total tannin contents of the leaves of the Bergenia species were determined during different
[Application of chemiluminescent methods for analysis of the antioxidant activity of herbal extracts].
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With help methods chemiluminecent make analysis of the antioxidant activity a series herbal extracts. The herbal e[tractions with distinct antioxidant activity were selected: Origanum vulgare ((L.), Filipendula ulmaria Maxim (L.), Thimus serpyllum (l.), Chamaenerion angustifolium (L.), Ledum
Antioxidant, anticancer and antibacterial potential of Zakhm-e-hayat rhizomes crude extract and fractions.
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Bergenia ciliata (locally known as Zakhm-e-hayat; wound healer) is commonly employed for wound healing, curing diarrhea and vomiting, fever, cough and pulmonary affections. Local community uses this plant as tea decoction with table salt. B. ciliata crude extract and its fractions were subjected to
Optimized Extraction of Polysaccharides from Bergenia emeiensis Rhizome, Their Antioxidant Ability and Protection of Cells from Acrylamide-induced Cell Death
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Bergeniaemeiensis is a traditional herb in Chinese folk medicine. Most related studies are focused on the bioactivity of bergenin, neglecting other bioactive compounds. In our previous work, polysaccharides were identified in B. emeiensis rhizome. To evaluate the extraction
Antioxidative mechanism involved in the preventive efficacy of Bergenia ciliata rhizomes against experimental nephrolithiasis in rats.
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BACKGROUND
Bergenia ciliata Haw. (Saxifragaceae) is widely used in traditional medicines for renal disorders including kidney stones, inflammation and also well known for its antioxidant activity. Use of traditional herbs proved to be an important strategy for the management of kidney stones by
Comparative antioxidant and antiplasmodial activities of 11-O-galloylbergenin and bergenin isolated from Bergenia ligulata.
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In the present study, the antioxidant and antiplasmodial activities of bergenin was compared with its natural derivative 11-O-galloylbergenin for the first time. Both compounds were isolated from Bergenia ligulata. 11-O-galloylbergenin was found to be very active in in-vitro antioxidant assay as
Evaluation of antioxidant and antimicrobial activities of Bergenia ciliata Sternb (Rhizome) crude extract and fractions.
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Biologically, screening of medicinal plants extracts have been since pre-historic to determine the antioxidants and antimicrobial profile. The present study was aimed to investigate and evaluate crude extract and different fractions of Bergenia ciliata Sternb (rhizome) for bioactivity which is most
Effects of Ultrasonic-Assisted Extraction on the Yield and the Antioxidative Potential of Bergenia emeiensis Triterpenes
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This study was the first designed to evaluate the extraction and antioxidant ability of triterpenes from Bergenia emeiensis rhizomes. The yield of triterpenes from B. emeiensis was mainly affected by the concentration of ethanol, followed by the extraction time, solvent to sample
Isolation of bioactive compounds from Bergenia ciliata (haw.) Sternb rhizome and their antioxidant and anticholinesterase activities.
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METHODS
In this study, Bergenia ciliata crude extract, subfractions, and isolated compounds wereIsolation of a novel catechin from Bergenia rhizomes that has pronounced lipase-inhibiting and antioxidative properties.
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An aqueous ethanol extract of Bergenia crassifolia rhizomes strongly inhibited human pancreatic lipase activity and increased scavenging of DPPH free radicals in vitro. Chromatographic separation of this extract led to isolation of the hydrolysable tannins (+)-catechin 3,5-di-O-gallate (1) and
Evaluation of antioxidant and antimicrobial activities of Bergenin and its derivatives obtained by chemoenzymatic synthesis.
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Bergenin pentacetate (2), a peracetate derivative of biologically active lead compound Bergenin (1) isolated from Bergenia stracheyi was subjected to lipase catalyzed regioselective alcoholysis to obtain 3,4,10,11-tetracetate of Bergenin (3). The free hydroxyl group of 3 was derivatised using higher
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