Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
권호 표지

Chemical Component of Red Onion (Allium cepa L.) according to Cultivars and Growing Areas

품종, 지역에 따른 적색양파 화학성분

  • Moon, Jin-Seong (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services) ;
  • Kim, Hee-Dae (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services) ;
  • Ha, In-Jong (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services) ;
  • Lee, Sun-Young (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services) ;
  • Lee, Jong-Tae (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services) ;
  • Lee, Sang-Dae (Onion Research Institute, Gyeongsangnam-do Agricultural Research & Extention Services)
  • 문진성 (경남농업기술원 양파연구소) ;
  • 김희대 (경남농업기술원 양파연구소) ;
  • 하인종 (경남농업기술원 양파연구소) ;
  • 이선영 (경남농업기술원 양파연구소) ;
  • 이종태 (경남농업기술원 양파연구소) ;
  • 이상대 (경남농업기술원 양파연구소)
  • Received : 2009.11.20
  • Accepted : 2010.09.16
  • Published : 2010.12.31
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Abstract

The objective of this study was to improve the breeding efficiency and consumption of red onion by analysis of chemical components. The red cultivar S&P5294 ($52.9mg{\cdot}g^{-1}$ F.W.) resulted in the highest sugar content, and sweetness whereas 'Redprime' had the lowest. For the pyruvic acid content the cultivar 'Redsun' showed the highest value, followed by 'Sunpower' (yellow onion) and S&P7270. Breeding lines had higher sugar content and sweetness than 'Redprime' and 'Sunpower', while they had less pyruvic acid value than 'Redsun' and 'Sunpower'. The the same trend was verified for the total phenol and total flavonoid, of which breeding lines were found to have more content than 'Redprime' or 'Sunpower'. Three major flavonoids, rutin (quercetin glycoside), myricetin, and quercetin, were identified and quantified whereas kaempferol was not detected in all cultivars. Rutin was the major flavonoid present in all cultivars (136.9 to $169.9{\mu}g{\cdot}g^{-1}$ F.W.), followed by quercetin (62.5 to $135.7{\mu}g{\cdot}g^{-1}$ F.W.). Relatively smaller amount of myricetin (11.2 to $16.1{\mu}g{\cdot}g^{-1}$ F.W.) was also detected. Among nine cultivars, 'Redsun' exhibited significantly ($p$ < 0.05) higher content of quercetin and rutin (135.7 and $169.9{\mu}g{\cdot}g^{-1}$ F.W., respectively), and S&P5296 had the highest content of myricetin($16.1{\mu}g{\cdot}g^{-1}$ F.W.). Breeding lines had more quercetin, rutin and myricetin contents than the cultivars 'Redprime' and 'Sunpower'. Hampyeong had the highest content for total phenol and total flavonoid, followed by Andong and Changyeong whereas Changyeong had the highest value for rutin, myricetin and quercetin followed by Hampyeong and Andong. Among red onion cultivars, 'Redsun' showed the highest value for anthocyanin, followed by S&P5295 and S&P5296, which the cultivar 'Redprime' had significantly (p<0.05) lower content(35.5 mg%).

육종효율 증진 및 소비확대를 위해 적색양파의 화학성분을 분석한 결과 S&P5294가 가장 높은 당 함량 및 감미도를 나타냈고 선발조합 모두 레드프라임, 썬파워에 비해 당 함량 및 감미도가 높았으며, pyruvic acid는 레드프라임=S&P5295> S&P5294=S&P7273>S&P5296=S&P7276>레드썬=썬파워 순으로 함량이 낮았다. 총 페놀과 총 플라보노이드 함량 또한 선발조합 대부분이 레드프라임, 썬파워에 비해서는 함량이 높고 레드썬에 비해서는 낮은 함량을 보였다. Rutin은 모든 품종에서 가장 높은 함량(136.9-$169.9{\mu}g{\cdot}g^{-1}$ F.W.)을 보였으며, quecetin과 myricetin의 함량은 각각 62.5-135.7, 11.2-$16.1{\mu}g{\cdot}g^{-1}$ 보였고 kaempferol은 검출되지 않았다. Quercetin과 rutin은 레드썬에서, myricetin은 S&P5296에서 유의적으로 가장 높은 함량을 보였고 선발조합 모두 레드프라임, 썬파워에 비해 rutin, quercetin 및 myricetin의 함량이 높았다. 지역별로는 총페놀, 총플라보노이드 함량은 함평지역이 가장 높은 반면 ruin, myricetin 및 quercetin의 함량은 창녕지역이 가장 높은 함량을 보였다. 안토시아닌의 경우는 레드썬에 비해서는 다소 함량이 낮으나 레드프라임에 비해서는 선발조합 모두 높은 함량을 나타내었다.

Keywords

References

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