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Open AccessArticle

The Characteristics of the Growth and the Active Compounds of Angelica gigas Nakai in Cultivation Sites

1
Department of Forest Bioresources, National Institute of Forest Science, Suwon-si 16631, Korea
2
Department of Forest Sciences, Seoul National University, Seoul 08826, Korea
3
Forest Medicinal Research Center, National Institute of Forest Science, Yeongju-si 36040, Korea
4
Forest Biomaterials Research Center, National Institute of Forest Science, Jinju-si 52817, Korea
*
Author to whom correspondence should be addressed.
Plants 2020, 9(7), 823; https://doi.org/10.3390/plants9070823
Received: 9 June 2020 / Revised: 26 June 2020 / Accepted: 27 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Soil Quality Assessed for Viti- and Horticulture)
The active compounds of medicinal plants vary in composition and content depending on environmental factors, such as light, temperature, and soil. According to the Korean Pharmacopoeia standards for herbal medicine, the sum of nodakenin, decursin, and decursinolangelate, which are the marker components of Korean Angelica, should be at least 6.0 g/100 g. However, the content of the components in Korean Angelica cultivated in South Korea often fall below 6.0 g/100 g, due to weather conditions and cultivation site characteristics. This study aimed to gather information about environmental factors that affect the root growth and the content of active compounds. In total, 18 cultivation sites in Pyeongchang, Jecheon, and Bonghwa regions in Korea were investigated for this study. Environmental factors, such as the monthly mean temperature, mean relative humidity, duration of sunshine, total precipitation, soil acidity, and the characteristics of soil nutrient, were investigated over the growing season from April to October 2017. As for the growth characteristics, the dry weight of roots of Korean Angelica was measured. The sum of the contents of the three active compounds was 5.3–7.0 g/100 g and the nodakenin content was 0.3–1.3 g/100 g in the cultivation sites. This study concludes that the root yields in the cultivation sites would be improved if weather conditions are maintained with similar levels as those in their natural habitats. Additionally, the environment that improves root growth did not increase the content of active compounds; however, when there was a lot of gravel or high temperatures during the growth period, the content of active compounds was relatively high. View Full-Text
Keywords: Angelica gigas Nakai; active compounds; correlation analysis; growth; root Angelica gigas Nakai; active compounds; correlation analysis; growth; root
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Park, Y.; Park, P.S.; Jeong, D.H.; Sim, S.; Kim, N.; Park, H.; Jeon, K.S.; Um, Y.; Kim, M.-J. The Characteristics of the Growth and the Active Compounds of Angelica gigas Nakai in Cultivation Sites. Plants 2020, 9, 823.

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