The Amino Acid Content and Antioxidant Activities of Glasswort (Salicornia herbacea L.)

퉁퉁마디의 아미노산함량과 항산화 활성

  • 김해섭 (전라남도 해양바이오연구원) ;
  • 박정욱 (전라남도 해양바이오연구원) ;
  • 이영재 (전라남도 해양바이오연구원) ;
  • 신궁원 (전라남도 해양바이오연구원) ;
  • 박인배 (전라남도 해양바이오연구원) ;
  • 조영철 (전라남도 해양바이오연구원)
  • Published : 2009.06.30

Abstract

We collected glasswort (Salicornia herbacea L.) from the Jollanam-do area (Hwangsan-myeon in Haenam, Jeungdo-myeon in Sinan, and Yeomsan-myeon in Yeonggwang) from June to October 2007, and analyzed levels of total amino acids, free amino acids, and total polyphenolic compounds and electron donating ability and SOD-like activity. The total amino acid content was $3,338.75{\sim}4,491.63\;mg$/100 g in the sample from Haenam, $3,086.48{\sim}3,782.89\;mg$/100 g in the sample from Sinan, and $3,134.3{\sim}4,364.17\;mg$/100 g in the sample from Yeonggwang. Proline was the main free amino acid from June through to September, and the level increased during June, the early period of maturation, and then decreased with further ripening. The total content of free amino acids was $472.75{\sim}1,080.98\;mg$/100 g in the sample from Haenam, $440.46{\sim}621.77\;mg$/100 g in the sample from Sinan, and $387.64{\sim}669.28\;mg$/100 g in the sample from Yeonggwan. Total polyphenolic compound level was $11.1{\sim}15.61\;mg/g$ in the sample from Haenam, $12.71{\sim}21.03\;mg/g$ in the sample from Sinan, and $13.13{\sim}22.28\;mg/g$ in the sample from Yeonggwang. Electron donating ability was 53.8.70.9% in the sample from Haenam, $62.7{\sim}88.8%$ in the sample from Sinan, and $63.0{\sim}72.7%$ in the sample from Yeonggwang. SOD-like activity was $28.7{\sim}41.0%$ in the sample from Haenam, 28.5{\sim}36.5% in the sample from Sinan, and 23.5.39.6% in the sample from Yeonggwang.

퉁퉁마디를 기능성 식품소재로 이용하기 위한 자료로 전남지역(해남 황산면, 신안 증도면, 영광 염산면)의 퉁퉁마디를 6월부터 10월까지 채취하여 구성아미노산, 유리아미노산, 폴리페놀함량, 전자공여능, SOD 유사활성을 조사하였다. 그 결과, 3지역 퉁퉁마디의 구성아미노산은 6월부터 9월까지는 Glutamic acid, Aspartic acid, Leucine 순으로, 10월에는 Glutamic acid, Aspartic acid, Arginine 순으로 많은 함량을 나타났다. 구성아미노산 총함량은 해남지역의 경우, $3,338.75{\sim}4,491.63\;mg$/100 g를, 신안지역의 경우, $3,086.48{\sim}3,782.89\;mg$/100 g를, 영광지역의 경우, $3,134.3{\sim}4,364.17\;mg$/100 g를 함유하였다. 유리아미노산 함량은 전체적으로 6월부터 9월까지 Proline이 가장 많았으며, 초기성숙 6월에 높았다가 성숙하면서 감소하는 경향을 보였는데, 유리아미노산 총함량은 해남지역의 경우, $472.75{\sim}1,080.98\;mg$/100 g를, 신안지역의 경우, $440.46{\sim}621.77\;mg$/100 g를, 영광지역의 경우, $387.64{\sim}669.28\;mg$/100 g를 함유하였다. 폴리페놀함량을 분석 결과, 8월까지 함량이 높았다가 퉁퉁마디가 붉어지는 10월에 가장 낮아졌으며 영광지역이 대체로 높았으며 해남지역은 $11.1{\sim}15.61\;mg/g$, 신안지역은 $12.71{\sim}21.03\;mg/g$, 영광지역은 $13.13{\sim}22.28\;mg/g$을 나타냈다. 전자공여능 분석한 결과, 신안지역이 좀더 높았고 전반적으로 8월이후 높게 나오는 경향을 보였는데 해남지역은 $53.8{\sim}70.9%$, 신안지역은 $62.7{\sim}88.8%$, 영광지역은 $63.0{\sim}72.7%$ 범위를 나타내었다. 퉁퉁마디 추출물의 SOD 유사활성은 해남지역 $28.7{\sim}41.0%$, 신안지역 $28.5{\sim}36.5%$, 영광지역 $23.5{\sim}39.6%$로 모두 7월에 가장 낮았고 10월에 가장 높은 활성을 보였다.

Keywords

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