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KMID : 0613820200300121085
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Journal of Life Science
2020 Volume.30 No. 12 p.1085 ~ p.1091
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Analysis of Physiological Activity and Cytotoxicity of Residue Extracts after Pepper Harvest
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Kim Tae-Won
Jeon Byeong-Gyun
Lee Sung-Ho
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Abstract
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The purpose of this study was to investigate the value of residue discarded after harvesting a species of pepper (Capsicum annuum L.). This study analyzed the physiological activity and cytotoxicity of a fermented extract and a hot water extract gathered from the residues of the Cheongyang pepper and the Nokkwang pepper. The total nitrogen, phosphoric acid, potassium, calcium, and magnesium contents of the fermented extract of the Nokkwang pepper were approximately twice as high as those of the Cheongyang pepper, while the hot water extracts had similar levels of these components across both peppers. Among the microelements, only boric acid, iron, and silicon components were detected, whereas zinc, manganese, molybdenum, and copper components were not detected in either extract. The total polyphenol and flavonoid contents of the fermented extracts were more than two times higher than those of the hot water extracts for both peppers. The DPPH radical scavenging ability (indicating antioxidant activity) of the fermented extract was higher than that of the hot water extract, while the ABTS radical scavenging ability (indicating antioxidant activity) of the hot water extract was higher than that of the fermented extract. A cytotoxicity test was conducted on the extracts using an MTT assay. Both extracts exhibited weak cytotoxicity at all concentrations for both peppers. These results suggest that the extract of residue discarded after harvesting these peppers could be suitable for functional feed or agricultural materials.
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KEYWORD
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Cytotoxicity, extract, pepper residues, physiological activity
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