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Kim SY, Shin KS. Bioactivity of Trifoliate Orange (Poncirus trifoliate) Seed Extracts. Prev Nutr Food Sci. 2012;17(2):136-40doi: 10.3746/pnf.2012.17.2.136.
Kim, S. Y., & Shin, K. S. (2012). Bioactivity of Trifoliate Orange (Poncirus trifoliate) Seed Extracts. Preventive nutrition and food science, 17(2), 136-40. https://doi.org/10.3746/pnf.2012.17.2.136
Kim, Seong Yeong, and Shin, Kwang-Soon. "Bioactivity of Trifoliate Orange (Poncirus trifoliate) Seed Extracts." Preventive nutrition and food science vol. 17,2 (2012): 136-40. doi: https://doi.org/10.3746/pnf.2012.17.2.136
Kim SY, Shin KS. Bioactivity of Trifoliate Orange (Poncirus trifoliate) Seed Extracts. Prev Nutr Food Sci. 2012 Jun;17(2):136-40. doi: 10.3746/pnf.2012.17.2.136. PMID: 24471075; PMCID: PMC3866750.
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Prev Nutr Food Sci. 2012 Jun;17(2):136-40. doi: 10.3746/pnf.2012.17.2.136.

Bioactivity of Trifoliate Orange (Poncirus trifoliate) Seed Extracts.

Preventive nutrition and food science

Seong Yeong Kim, Kwang-Soon Shin

Affiliations

  1. Nutrition Education, Graduate School of Education, Kyonggi University, Gyeonggi 443-760, Korea.
  2. Department of Food Science and Biotechnology, Kyonggi University, Gyeonggi 443-760, Korea.

PMID: 24471075 PMCID: PMC3866750 DOI: 10.3746/pnf.2012.17.2.136

Abstract

Trifoliate orange seed extracts (TSEs) were made using either distilled water (TW), ethanol (TE), or n-hexane (TH), to measure total polyphenol contents, DPPH and ABTS radical scavenging activities, and anti-complementary activity. The results showed that the total polyphenol content showed higher value at TE (235.24 μg/mL, p<0.05) than those of TW (132.65 μg/mL) and TH (165.44 μg/mL) at 10 mg/mL and TE exerted the highest DPPH radical scavenging activity (61.77%, p<0.05), which occurred in the following order: TE>TW (56.87%)>TH (39.78%). The results of ABTS radical scavenging activity showed that TW (34.26%) and TE (31.81%) showed similar activities, which were higher than TH (12.74%, p<0.05). Anti-complementary activity of TE (61% at 500 μg/mL) showed a higher activity when compared with the positive control (60% at 1,000 μg/mL) polysaccharide-K (PSK), a known immuno-active polysaccharide from Coriolus versicolor. Consequently, among TSEs, TE is a byproduct from trifoliate orange and could be an important source of dietary polyphenolic antioxidant compounds and immunopotentiating activity, including complement activation.

Keywords: DPPH radical scavenging activity; anti-complementary activity; antioxidant activity; polyphenol; trifoliate orange seed extract

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