Ramalin, a novel nontoxic antioxidant compound from the Antarctic lichen Ramalina terebrata.

@article{Paudel2011RamalinAN,
  title={Ramalin, a novel nontoxic antioxidant compound from the Antarctic lichen Ramalina terebrata.},
  author={Babita Paudel and Hari Datta Bhattarai and Hye Yeon Koh and Sung Gu Lee and Se Jong Han and Hong Kum Lee and Hyuncheol Oh and Hyun Woung Shin and Joung Han Yim},
  journal={Phytomedicine : international journal of phytotherapy and phytopharmacology},
  year={2011},
  volume={18 14},
  pages={
          1285-90
        }
}
Ramalin (γ-glutamyl-N'-(2-hydroxyphenyl)hydrazide), a novel compound, was isolated from the methanol-water extract of the Antarctic lichen Ramalina terebrata by several chromatographic methods. The molecular structure of ramalin was determined by spectroscopic analysis. The experimental data showed that ramalin was five times more potent than commercial butylated hydroxyanisole (BHA) in scavenging 1-diphenyl-2-picryl-hydazil (DPPH) free radicals, 27 times more potent in scavenging 2,2'-azino… CONTINUE READING

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