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KMID : 0665220210340020165
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Korean Journal of Food and Nutrition
2021 Volume.34 No. 2 p.165 ~ p.173
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Nutritional Components and Physiological Activity of Centella asiatica Cultured in Chungju by Drying Method
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Eom Hyun-Ju
Shin Hyun-Young
Ji Yeong-Mi
Kwon Nu-Ri
Yoon Hyang-Sik
Kim In-Jae
Song Yong-Sup
Yu Kwang-Won
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Abstract
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Centella asiatica (CA) has been used as a nutritional plant as well as a traditional herbal medicine around the world. This study, quality component (proximate composition, total polyphenol, and triterpenoid compound), and antioxidant and anti-inflammatory activities of CA dried using various methods were investigated. Proximate compositions of CA with different drying methods included a large amount of carbohydrates, crude protein, crude ash, and crude fiber. Among the drying methods, cold drying provided the highest total polyphenol content and antioxidant activity, while hot-air drying at 75℃ provided the lowest total polyphenol content and antioxidant activity. In addition, when the major triterpenoid compounds of CA were analyzed, the highest content of asiaticoside of triterpenoid glycoside was obtained with all drying methods. With respect to the total triterpenoid, the highest content was obtained with cold drying (68.8 mg/g) whereas natural drying (31.4 mg/g) provided the lowest content. In anti-inflammatory activity of LPS-stimulated RAW 264.7 cells, EtOH extract of cold drying showed a significantly higher inhibitory activity in comparison to the other drying methods. In conclusion, it is considered that the cold drying method is suitable for industrial preparation of functional materials with high physiological ingredients, and antioxidant and anti-inflammatory activities from CA.
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KEYWORD
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Centella asiatica, drying method, nutritional components, triterpenoid, physiological activity
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