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Ligupurpuroside B

Catalog No. TN1869Cas No. 147396-02-9

Ligupurpuroside B has antioxidant activity.

Ligupurpuroside B

Ligupurpuroside B

Catalog No. TN1869Cas No. 147396-02-9
Ligupurpuroside B has antioxidant activity.
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10 mg$630Backorder
1 mL x 10 mM (in DMSO)$650Backorder
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Product Introduction

Bioactivity
Description
Ligupurpuroside B has antioxidant activity.
In vitro
The present study was carried out to characterize the antioxidants present in the bitter tea brewed from the leaves of LP. It was found that the crude glycoside fraction possessed strong protection against oxidation of human low-density lipoprotein (LDL). The column chromatographic separation led to the isolatation of five phenylethanoid glycosides, namely, acteoside, ligupurpuroside A, cis-Ligupurpuroside B, trans-Ligupurpuroside B, and osmanthuside B. When acteoside was heated in the boiling water, it was isomerized to form isoacteoside. Acteoside, isoacteoside, and ligupurpuroside A purified from LP were protective, whereas cis-Ligupurpuroside B, trans-Ligupurpuroside B, and osmanthuside B exhibited no protection to human LDL from Cu(2+)-medicated oxidation. Acteoside, isoacteoside, and ligupurpuroside A were also effective in preventing the peroxyl free radical-induced oxidation of alpha-tocopherol in human LDL. The antioxidant activities of acteoside, isoacteoside, and ligupurpuroside A were comparable to that observed for a green tea antioxidant, (-)-epicatechin gallate. The inhibitory effect of these three phenylethanoid glycosides on oxidation of human LDL and alpha-tocopherol was dose-dependent at concentrations of 5-40 microM.
Chemical Properties
Molecular Weight738.736
FormulaC35H46O17
Cas No.147396-02-9
Storage & Solubility Information
StoragePowder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice.

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