Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Chemical Composition and Quality of Persimmon Peels According to Cultivars

품종별 감피의 화학적 성분 특성

  • Kim, Suk-Kyung (Department of Food Science and Technology, Kyungpook National University) ;
  • Lim, Jung-Hyung (Department of Food Science and Technology, Kyungpook National University) ;
  • Kim, Young-Chan (Korea Food Research Institute) ;
  • Kim, Mi-Yeon (Department of Food Science and Technology, Kyungpook National University) ;
  • Lee, Byung-Woo (PAEK KWANG C&S Co., LTD) ;
  • Chung, Shin-Kyo (Department of Food Science and Technology, Kyungpook National University)
  • Published : 2005.03.31
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Abstract

Approximate composition and physicochemical properties of 7 cultivars of persimmon peel, by product of dried-persimmon, were examined. The content of crude fiber were different according to cultivars. Glucose, fructose and sucrose were isolated by HPLC; also, myristic, palmitic, palmitoleic, oleic and linolenic acid were the major fatty acids in persimmon peel. Total and free amino acid were 241.32-371.45 mg/100 g and 3.69-28.31 mg/100 g, respectively; also, aspartic and glutamic acid were the predominant amino acids, reaching a level between 19.6 and 24.8% of total amino acids. Insoluble dietary fiber content(34.89-50.76 g/100 g) was remarkably higher than soluble dietary fiber (2.44-7.09 g/100 g). Total carotenoids were in the range of 179.4-340.6 mg/100 g, and total phenolic compounds ranged from 44.07-196.98 mg/100 g, showing differences between cultivars.

곶감 원료용 떫은감(상주둥시, 고종시, 월하시, 청도반시, 함안수시, 평핵무, 횡야)의 과피로부터 유용성분 및 카로티노이드, 총페놀 등 이화학적 특성을 조사하였다. 감피의 일반성분 조섬유를 제외하고는 품종별로 차이가 없었다. 유리당으로는 glucose, fructose, sucrose가 확인 되었으며, $Myristic\;acid(C_{14:0}),\;palmitic\;acid(C_{16:0}),\;palmitoleic\;acid(C_{16:1})\;oleic\;acid(C_{18:1})$ 및 $linolenic\;acid(C_{18:3})$가 주된 지방산으로 확인되었다. 총아미노산의 함량은 244.84-371.45 mg/100 g이고, 유리아미노산 함량은 3.69-28.31 mg/100 g이었다. 감피의 식이섬유중 불용성 식이섬유가 34.89-50.76 g/100 g으로 가용성 식이섬유(2.44-7.09 g/100 g)보다 월등하게 높게 나타났다. retinol equivalent(R.E.)은 20.02-60.60 mg/100 g이었으며, 비타민 C는 24.69-106.01 mg/100 g으로 품종간에 다소 차이를 보였다. 카로티노이드 함량은 상주둥시가 340.6 mg/100 g으로 가장 높은 함량을 보였으며, 총페놀 함량에서도 44.07-196.98 mg/100 g으로 품종간 차이를 보였다. 따라서 감피는 카로티노이드, 식이섬유, 페놀화합물 등 유용성분의 활용가치가 높을 것으로 생각된다.

Keywords

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