Mulberry Moracins: Scavengers of UV Stress-generated Free Radicals | Zendy

Rashmi Sharma | Zendy; Arun Dev Sharma | Zendy; Tetsuya SHONO | Zendy; Mitsuo Takasugi | Zendy; Akira Shirata | Zendy; Tatsuhito Fujimura | Zendy; Hiroaki Machii | Zendy

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Mulberry Moracins: Scavengers of UV Stress-generated Free Radicals

Author(s) -

Rashmi Sharma,

Arun Dev Sharma,

Tetsuya SHONO,

Mitsuo Takasugi,

Akira Shirata,

Tatsuhito Fujimura,

Hiroaki Machii

Publication year - 2001

Publication title -

bioscience biotechnology and biochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.509

H-Index - 116

eISSN - 1347-6947

pISSN - 0916-8451

DOI - 10.1271/bbb.65.1402

Subject(s) - scavenger , radical , chemistry , xanthine oxidase , malondialdehyde , lipid peroxidation , free radical scavenger , xanthine , superoxide , scavenging , biochemistry , photochemistry , oxidative stress , nuclear chemistry , antioxidant , enzyme

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.

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