The Korean Journal of Community Living Science (한국지역사회생활과학회지)

The Korean Society of Community Living Science (한국지역사회생활과학회)
권호 표지

Chemical Composition and Physiological Activity of Native Pear c.v. ‘Baekwoon’

백운배의 화학성분과 생리활성 효과

  • Heo, Buk-Gu (Naju foundation of Natural Dyeing Culture) ;
  • Park, Yong-Seo (Dept. of Horticultural Science, Mokpo National Univ.) ;
  • Park, Yun-Jum (Division of Horticulture and Pet Animal-Plant Science, Wonkwang Univ.) ;
  • Jung, Kyoo-Jin (Dept. of Culinary & Nutrition, Namdo Provincial College of Jeonnam) ;
  • Cho, Ja-Yong (Dept. of Medicated Diet & Food Technology, Namdo Provincial College of Jeonnam) ;
  • Oh, Kyung-Taek (Jeollanamdo Regional Innovation Agency, Jeonnam Technopark) ;
  • Chung, Ung-Seo (School of Medicine, Wonkwang Univ.) ;
  • Lee, Kyung-Dong (Dept. of Oriental Medicine Materials, Dongshin University)
  • 허북구 ((재)나주시천연염색문화재단) ;
  • 박용서 (목포대학교 원예과학과) ;
  • 박윤점 (원광대학교 원예애완동식물학부) ;
  • 정규진 (전남도립대학 호텔조리영양학과) ;
  • 조자용 (전남도립대학 약선식품가공과) ;
  • 오경택 (전남테크노파크 전략산업기획단) ;
  • 정웅서 (원광대학교 의과대학) ;
  • 이경동 (동신대학교 한약재산업과)
  • Published : 2009.12.30
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Abstract

This study examined the basic information on the native pear c.v. 'Baekwoon' grown in Mt. Baekwoonsan, Gwangyang, to develop as a local specialty product. the sensory characteristics, chemical compositions, and physiological activities of 'Baekwoon' pear were examined and compared with those of 'Niitaka' pear. Hardness of 'Baekwoon' pear was 19.30N, which was higher than 'Niitaka'. The sugar content of 'Baekwoon' was 11.5 $^{\circ}Brix$, which was lower than 'Niitaka'. The total amino acid contents of the fruit skin and flesh of 'Baekwoon' were 222 mg/100g dry weight (DW) and 130 mg/100g DW, respectively, which were much higher than those of 'Niitaka'. Especially, serine contents in fruit skin and flesh of 'Baekwoon' were 75.4 mg/100g DW and 40.2 mg/100g DW, respectively, which were significantly (p<0.05) higher than those of 'Niitaka'. However, physiological activities, such as total phenol content, DPPH radical scavenging activity, total flavonoid content and nitrite scavenging activity, of 'Baekwoon' were lower than or similar to those of 'Niitaka'. Consequently, vitamin and amino acid contents of 'Baekwoon' were better than those of 'Niitaka'. It is suggested to use fruit skin because of its good composition and physiological activities so that it helps to improve the quality and the biological activity.

Keywords

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