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Selection of Bitter Gourd (Momordica charantia L.) Germplasm for Improvement Anti-diabetic Compound Contents
혈당조절기능 물질 함량이 높은 여주 유전자원 선발
Korean J. Breed. Sci. 2013;45(4):332-338
Published online December 31, 2013
© 2013 Korean Society of Breeding Science.

Ae Kyung Kim1, Hee Ju Lee1*, Myung-Min Oh2, Woo Moon Lee1, Sang Gyu Lee1, Won Byoung Chae1, Hak Soon Choi1, Eun Young Yang1, Yun Chan Huh1, Dong Kum Park1, and Su Kim1
김애경1・이희주1* ・오명민2・이우문1・이상규1・채원병1・최학순1・양은영1・허윤찬1・박동금1・김 수1

1Vegetable Research Division, National Institute of Horticulture & Herbal Science Rural Development Administration, Suwon 440-706, Korea2Department of Horticultural Science, Chungbuk National University, Cheongju 361-763, Korea
1국립원예특작과학원 채소과, 2충북대학교 원예과학과
Bitter gourd (Momordica charantia L.) is an important vegetable crop of several countries in the tropics. Althoughbitter gourd fruits contain bioactive components with many important medicinal properties, it is usually grown as an ornamentalin Korea. Bitter gourd has recently received growing attention due to its anti-diabetic compound in immature fruits. But therehave been few researches on its cultural practices and functional components. This study was conducted to analyze charantin,anti-diabetic compound, contents among germplasm to select accessions with high charantin content in bitter gourd. The charantincontent of bitter gourd fruits were investigated in 15 days after fruit setting among 31 accessions of bitter gourd by HPLC. Thecontents of charantin and yields ranged from 15.1 to 161.4 μg·g-1dry-weight basis and 221 to 2,097 g by a plant, respectively.Five accessions, ‘K169998’, ‘K042800’, ‘K170002’, ‘Hwanock’ and ‘Nockwoo’ showed highest charantin contents as 143.7,104.6, 103.5, 161.4, 101.1μg·g-1, respectively. These results can be applied for selection methods to determine bitter gourd accessionswith highest charantin content, which have a potential to be an anti-diabetic diet. Future breeding and genetic emphases in bittergourd improvement should be placed on the development of nutritious, high-yielding cultivars with superior resistance to majordiseases and exceptional fruit quality. This study can be used for preliminary data in stable, high quality bitter gourd productionand selection. Further studies are needed to understand underlying mechanism determining charantin content variations in differentfruit maturation stages in bitter gourd.
Keywords : Bitter gourd, Charantin, HPLC, Diabetic

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