alkanna bracteosa/antioxidant

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In vitro antioxidant and free radical scavenging activity of four Alkanna species growing in Iran.

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BACKGROUND Medicinal plants are recognized as sources of natural antioxidants that can protect biological system from oxidative stress. OBJECTIVE In this study, the antioxidant activities of four species of the Alkanna genus (Alkanna bracteosa, Alkanna frigida, Alkanna orientalis and Alkanna

Total phenolic content, antioxidant and antimicrobial activities of some medicinal plants.

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Crude extracts from Inula aucherana, Fumaria officinalis, Crocus sativus, Vicum album, Tribulus terestris, Polygonatum multiflorum, Alkanna tinctoria and Taraxacum officinale were screened for their in vitro antioxidant and antimicrobial properties. Total phenolic content of extracts from these

Molecularly imprinted polymers for the isolation of bioactive naphthoquinones from plant extracts.

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Molecularly Imprinted Polymers (MIPs) targeting shikonin, a potent antioxidant and wound healing agent, have been prepared using methacrylic acid (MAA) and 2-diethylaminoethyl methacrylate (DEAEMA) as functional monomers. An investigation of solution association between shikonin and both acidic and

Alkannin inhibits CCL3 and CCL5 production in human periodontal ligament cells.

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Alkannin, which is found in Alkanna tinctoria, a member of the borage family, is used as a food coloring. Alkannin has recently been reported to have certain biological functions, such as anti-microbial and anti-oxidant effects. It is known that CC chemokine receptor (CCR) 5-positive leukocytes

Alkannin and shikonin: effect on free radical processes and on inflammation - a preliminary pharmacochemical investigation.

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Alkannin and shikonin, two natural products from Alkanna tinctoria and Lithospermum erhythrorhizon (Boraginaceae), are used in folk medicine where they are claimed to possess, among other properties, wound healing and anti-inflammatory activity. We investigated, together with the structurally

ALCAPs induce mitochondrial apoptosis and activate DNA damage response by generating ROS and inhibiting topoisomerase I enzyme activity in K562 leukemia cell line.

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Endemic Alkanna cappadocica was used to isolate novel antitumor molecules from Turkish landscapes in our previous studies. In this study, deoxyalkannin (ALCAP1), β,β-dimethylacrylalkannin (ALCAP2), acetylalkannin (ALCAP3), and alkannin (ALCAP4) as well as the novel isolated compounds

Preparative isolation and purification of alkannin/shikonin derivatives from natural products by high-speed counter-current chromatography.

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Alkannin and shikonin (A/S) and their derivatives have been found in the roots of several Boraginaceous species and are also produced through plant tissue cultures. The chiral compounds A/S are potent pharmaceutical substances with a wide spectrum of biological and pharmacological activities like

Effect of Alkanna albugam root on LDL oxidation. A comparative study with species of the Lamiaceae family.

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The role of natural products in preventing diseases, such as atherosclerosis, is being recognized increasingly. In this study, the in vitro antioxidant activity of the polar extract obtained from Alkanna albugam root, belonging to the Boraginaceae family, against LDL oxidation, was investigated and

Analysis of alkannin derivatives from Alkanna species by high-performance liquid chromatography/photodiode array/mass spectrometry.

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Alkannin, shikonin (A/S) and their derivatives are enantiomeric hydroxynaphthoquinone red pigments found in the roots of almost 150 species of the Boraginaceae family. A/S have been shown to exhibit strong wound healing, antimicrobial, anti-inflammatory and antioxidant activities and recent

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