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Comparison of NaCl and D-Pinitol Content of Freeze-Dried Ice Plant, Natural and Purified Commercial Salts and their Radical Scavenging Activity

  • Sim, Wan-Sup (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Park, Sung-Ho (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Choi, Sun-Il (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Cho, Bong-Yeon (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Choi, Seung-Hyun (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Han, Xionggao (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Jang, Gill-Woong (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Kwon, Hee-Yeon (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Choi, Ye-Eun (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Men, Xiao (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Yoon, Sangjin (Department of Food Science and Biotechnology, Kangwon National University) ;
  • Kim, Young-Jun (Department of Food Science and Technology, Seoul National University of Science and Technology) ;
  • Cho, Ju-Hyun (Haram Central Research Institute) ;
  • Lee, Ok-Hwan (Department of Food Science and Biotechnology, Kangwon National University)
  • Received : 2019.09.11
  • Accepted : 2019.12.02
  • Published : 2019.12.30

Abstract

This study investigated the suitability of freeze-dried ice plant (Mesembryanthemum crystallinum) as the source of an edible healthy salt alternative by examining the content of NaCl, D-pinitol, total phenols, total flavonoids, and DPPH radical scavenging activity compared with those of natural and purified salts. Our results showed that the NaCl content of freeze-dried ice plant, natural and purified salts was 19, 94 and 99%, respectively. The D-pinitol content of freeze-dried ice plant was 777 mg/100 g, whereas D-pinitol was not detected in either natural or purified salts. The total phenol and flavonoid contents of freeze-dried ice plant were 115 mg GAE/100 g and 985 mg RE/100 g, respectively. The DPPH radical scavenging activity of freeze-dried ice plant was markedly higher than that of natural and purified salts. Altogether, these results show that freeze-dried ice plant contains both NaCl and bioactive compounds and can be used as a source of edible salt with positive health effects.

본 연구는 아이스플랜트의 기능성 소금 대체제로서의 가능성을 조사하고자 천연 및 정제소금과의 NaCl, D-pinitol, 총 페놀, 총 플라보노이드 및 DPPH 라디칼 소거능에 대한 기초자료를 비교 조사하였다. 아이스플랜트 동결건조분말의 NaCl 함량을 분석한 결과 19%이었고 D-pinitol의 함량은 777 mg/100 g으로 천일염 및 정제염에 비해 NaCl 함량은 유의적으로 낮으나 D-pinitol을 함유하고 있어 건강기능성에는 도움이 될 것으로 사료된다. 또한, 아이스플랜트 동결건조분말의 총 페놀 및 플라보노이드 함량은 각각 115 mg/100 g 및 985 mg/100 g을 함유하고 있어 DPPH라디칼 소거능의 항산화효과를 갖는 것으로 나타났다. 따라서 아이스플랜트 분말의 bioactive compound을 함유한 대체 소금 천연소재로서 가능성을 확인한 기초 연구를 제공하였다.

Keywords

References

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