The Korean Journal of Ecology

The Ecological Society of Korea (한국생태학회)
권호 표지

Identification and Effects of Phenolic Compounds from Some Plants

수종 식물의 페놀화합물 분석과 효과

  • Kim, Yong-Ok (Department of biology, College of Sciences, Konkuk University) ;
  • Ho-Joon Lee (Department of biology, College of Sciences, Konkuk University)
  • Published : 1996.08.01
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Abstract

The extracts of selected plants and analyzed phenolic compounds were used to study the effects of alleloKDICicals on seed germination and seedling growth. HPLC analysis of the aqueous extracts of seven species identified 15 phenolic compounds including caffeic acid. Among them, protocatechuic acid was detected at 65.87ppm and 6.84ppm, in Erigeron canadensis and Pinus rigida, respectively. And the extract of P. rigida showed the strongest inhibitory effect on seed germination. The extract of P. rigida leaves significantly inhibited germination and radicle growth of Raphanus sativus var. hortensis for. acanthiformis in direct proportion to concentration. However, germination of Cassia mimosoides var. nomame was stimulated by the treated extracts at the same concentrations, but root growth was inhibited at high concentrations. Except chlorogenic acid, eleven of the twelve phenolic compounds inhibited the germination of R. sativus var. hortensis for. acanthiformis. In the case of C. mimosoides var. nomame, some phenolic compounds such as chlorogenic acid, vanillic acid, protocatechuic acid, ferulic acid, gallic acid and ${\rho}-coumaric$ acid stimulated germination, while the others reduced it.

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