Abstract
Mulberry leaves treated with UV-C were found to accumulate three different phytoalexins, moracin C, moracin N, and chalcomoracin. The increased level of malondialdehyde in UV-treated leaves along with moracins suggested their role as a free-radical scavenger in stressed plants. All the three moracins induced under UV stress were capable of scavenging the superoxide anion generated by the xanthine-xanthine oxidase system. Also, moracins were capable of inhibiting lipid peroxidation, which strongly indicates their role as a scavenger.
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Free Radical Scavengers / chemistry*
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Free Radical Scavengers / isolation & purification
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Lipid Peroxidation / drug effects
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Malondialdehyde / metabolism
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Moraceae / chemistry*
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Moraceae / metabolism
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Phytoalexins
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Plant Extracts / chemistry*
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Plant Extracts / isolation & purification
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Plant Leaves / metabolism
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Sesquiterpenes
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Superoxides / metabolism
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Terpenes
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Ultraviolet Rays
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Xanthine Oxidase / metabolism
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alpha-Linolenic Acid / chemistry
Substances
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Free Radical Scavengers
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Plant Extracts
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Sesquiterpenes
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Terpenes
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alpha-Linolenic Acid
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Superoxides
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Malondialdehyde
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Xanthine Oxidase
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Phytoalexins