Comparison of Growth Characteristics and Active Ingredients in Atractylodes Inter-Specific Hybrid Cultivars
2018
Jeong, J.T., NIHHS, RDA, Emseong, Republic of Korea | Lee, H.J., NIHHS, RDA, Emseong, Republic of Korea | Lee, J.H., NIHHS, RDA, Emseong, Republic of Korea | Hong, C.O., NIHHS, RDA, Emseong, Republic of Korea | Lee, Y.J., NIHHS, RDA, Emseong, Republic of Korea | Jeong, Y.S., NIHHS, RDA, Emseong, Republic of Korea | Lee, D.Y., NIHHS, RDA, Emseong, Republic of Korea | Lee, S.E., NIHHS, RDA, Emseong, Republic of Korea | Chang, J.K., NIHHS, RDA, Emseong, Republic of Korea | Ha, B.K., Chonnam National University, Gwangju, Republic of Korea | Park, C.G., NIHHS, RDA, Emseong, Republic of Korea
Background: Atractylodes japonica Koidz. and Atractylodes macrocephala Koidz. belong to the family (Asteraceae). Their rhizomes, called white Atractylodes rhizomes, are used in traditional medicine. To address some issues with their cultivation, we recently developed eight hybrid cultivars by interspecific hybridization of A. japonica and A. macrocephala. This study was conducted to screen the hybrid cultivars that have high amounts of active ingredients and yield ability. Methods and Results: Experiments were conducted using the eight hybrid cultivars and A. macrocephala (control cultivar) in the experimental field of the department of Herbal Crop Research located in Eumseong, South Korea. We investigated the growth characteristics of the aerial and underground parts. Among the cultivars, 'Sanwon' had the highest rhizome dry weight (53.8 g/plant), followed by 'Dachul' (50.0 g/plant). In addition, the content of atractylenolide I, II, III and total active ingredients were investigated using high-performance liquid chromatography. Compared with A. macrocephala, most of the inter-specific hybrid cultivars had a higher content of active ingredients and yield ability. Conclusions: Through study, we established the superior quality of Atractylodes inter-specific hybrid cultivars. In particularly, it was found that 'Dachul' may be grown as a superior cultivar, with high amount of active ingredients as well as yield ability.
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