Utilization of Inedible Parts of Aralia cordata with High-Content Chlorogenic Acid Cultivated in Tokyo

Hirotaka Matsuo (), Hitomi Kawakami, Yuka Otsuki, Chieto Miyashita, Nobuo Kawahara, Hiroyuki Fuchino and Kayo Yoshimatsu ()
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Hirotaka Matsuo: Research Center for Medicinal Plant Resources, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2 Hachimandai, Tsukuba 305-0843, Japan
Hitomi Kawakami: Research Center for Medicinal Plant Resources, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2 Hachimandai, Tsukuba 305-0843, Japan
Yuka Otsuki: Horticultural Science Division, Tokyo Metropolitan Agriculture and Forestry Research Center, Tachikawa 190-0013, Japan
Chieto Miyashita: Horticultural Science Division, Tokyo Metropolitan Agriculture and Forestry Research Center, Tachikawa 190-0013, Japan
Nobuo Kawahara: Research Center for Medicinal Plant Resources, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2 Hachimandai, Tsukuba 305-0843, Japan
Hiroyuki Fuchino: Research Center for Medicinal Plant Resources, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2 Hachimandai, Tsukuba 305-0843, Japan
Kayo Yoshimatsu: Research Center for Medicinal Plant Resources, National Institutes of Biomedical Innovation, Health and Nutrition, 1-2 Hachimandai, Tsukuba 305-0843, Japan

Sustainability, 2024, vol. 16, issue 6, 1-11

Abstract: Aralia cordata is called “Udo” and is one of the famous herbaceous perennial plants found in Korea, China, and Japan. In Japan, aerial parts of A. cordata have been consumed. Furthermore, its rhizome and root are utilized as crude drugs known as “dokukatsu” and “wakyoukatsu”, respectively. A. cordata is cultivated as a vegetable in many places in Japan, and one of the production areas is Tokyo. A. cordata made in Tokyo is known as a high-quality “Udo” product (aerial part) using a unique cultivation method, known as “ Udo muro ”. “ Udo muro ” blocks light and maintains optimal temperature and humidity throughout the year, facilitating the soft cultivation of udo. However, the roots of A. cordata cultivated in Tokyo are all discarded. Thus, the utilization of the A. cordata root cultivated in Tokyo might lead to sustainability and income improvement for farmers. In this study, we investigated the effect of “ Udo muro ” with or without cultivation and drying temperature on chlorogenic acid (CA) contents in A. cordata root and compared it with A. cordata produced in other areas (“wakyoukatsu”) by a quantitative analysis of the CA content using high-performance liquid chromatography. The results indicate that the CA content of the roots of A. cordata grown in Tokyo was higher than those grown in other areas. Furthermore, the usefulness of A. cordata root was evaluated using inhibitory activity tests such as nitric oxide production and melanin production using Raw264.7 and B16F10 cell lines, respectively.

Keywords: B16F10; “ Udo muro ” cultivation; “ Udo ” made in Tokyo; quantitative analysis; Raw264.7 (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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