동아시아식생활학회지 (Journal of the East Asian Society of Dietary Life)

  • 제22권3호
  • /
  • Pages.365-370
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  • 2012
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  • 1225-6781(pISSN)
  • /
  • 2288-8802(eISSN)
동아시아식생활학회 (The East Asian Society of Dietary Life)
권호 표지

품종별 지황의 일반성분, 무기질 및 당 조성

Proximate, Mineral and Sugar Composition of Rehmannia glutinosa by Cultivars

  • Oh, Hye-Lim (Dept. of Food & Nutrition, Chungnam National University) ;
  • Kim, Na-Yeon (Dept. of Food & Nutrition, Chungnam National University) ;
  • Lee, Kun-Jong (Dept. of Food & Nutrition, Seoil College) ;
  • Yang, Kee-Heun (Dept. of Food & Nutrition, Chungnam National University) ;
  • Doh, Eun-Soo (Dept. of Orental Pharmaceutical Science, Joongbu University) ;
  • Song, Mi-Ran (Geumsan Ginseng & Medicinal Crop Experiment Station, CNARES) ;
  • Park, Jong-Yoon (National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Mee-Ree (Dept. of Food & Nutrition, Chungnam National University)
  • 투고 : 2012.02.03
  • 심사 : 2012.06.18
  • 발행 : 2012.06.30
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초록

Proximate composition, reducing sugar, and mineral content of several cultivars of Rehmannia glutinosa were analyzed. the moisture and soluble solid content of fresh Rehmannia glutinosa ('Korea', 'Kokang', 'Sewon 10', 'Sewon 11' and 'Jihwang 1') were 74.6~78.4% and $19.6{\sim}22.4^{\circ}Brix$, respectively. Proximate composition of dried Rehmannia glutinosa ranged from 82.91~86.94% carbohydrate, 3.38~5.70% crude protein, 2.5~3.0% crude ash and 3.47~3.80% fiber. Sugar composition by HPLC/ELSD showed that sucrose (4.49~7.75 g/100 g), raffinose (2.96~4.78 g/100 g) and stachyose (42.36~45.87 g/100 g) were present, whereas monosaccharides were not detected in 5 cultivars of dried Rehmannia glutinosa. Mineral compositions of dried Rehmannia glutinosa by ICP-AES were Ca (639.9~782.0 ppm), Fe (128.5~634.9 ppm), Na (119~150 ppm), K (6,639.1~10,448.0 ppm), Mg (372.2~981.8 ppm) and Zn (8.8~474.2 ppm). However, Co and Mo were not detected. Among 5 cultivars of Rehmannia glutinosa, 'Kokang' and 'Sewon 10' contain higher amounts of Fe, Ca, K, Mg, Cu and Zn than the other cultivars.

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