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KMID : 1098420190270050307
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Korean Journal of Medicinal Crop Science
2019 Volume.27 No. 5 p.307 ~ p.314
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Study of Root Characteristics of Angelica gigas Nakai in Plantations using a Micro-CT Camera
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Jeong Dae-Hui
Kim Ki-Yoon
Sim Su-Jin
Jung Chung-Ryul
Kim Hyun-Jun
Jeon Kwon-Seok
Park Hong-Woo
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Abstract
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Background: We measured the weight characteristics, intercellular space volume as a proportion of root volume, and quantities of the functional component in Angelica gigas Nakai, collected from four cultivation areas in Pyeongchang, including Tapdong-ri and SangjinBu-ri, and tested the results for correlations.
Methods and Results: Dry weight was the highest in the Tapdong-ri group (13.37 ± 0.13 g) and the lowest in the SangjinBu-ri group (11.90 ± 0.57 g). The percentage of intercellular spaces within the roots, determined by micro-CT camera, was the highest in the Tapdong-ri group (6.44 ± 0.76%) and the lowest in the SangjinBu-ri group (9.01 ± 2.15%). The quantity of functional components were the highest in the Tapdong-ri group (116.13 ± 9.53 ㎎/g) and the lowest in the SangjinBu-ri group (99.77 ± 23.23 ㎎/g).
Conclusions: The dry weight of A. gigas significantly correlated with the volume and percentage of intercellular space. An increase in the dry weight resulted in a negative correlation between the volume and ratio of the intercellular spaces. The volume of intercellular space correlated negatively with levels of the functional components, this was significant in the case of the nodakenin, decursin and decursinol angelate content (p < 0.016).
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KEYWORD
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Angelica gigas, Dry Matter, Intercellular Space, Micro-CT, Regression Analysis
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