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KMID : 0665420200350040392
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Korean Journal of Food Culture
2020 Volume.35 No. 4 p.392 ~ p.399
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Evaluation of Bioactive Compounds Contents and Biological Activities of Okra Seeds Oils
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Seo Dong-Yeon
Jeon Ah-Yeong
Shin Eui-Cheol
Lee Jun-Soo
Hwang In-Guk
Kim Young-Hwa
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Abstract
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This study examined the contents of bioactive compounds and the biological activity of okra seed oil. Okra seed oilconsisted mainly of linoleic acid (44.2%). The content of total phytosterols was 2.180 mg/g oil, with β-sitosterol being thehighest (1.756 mg/g oil). The vitamin E content was 1.278 mg/g oil; the content of α-tocopherol was higher than γ-tocopherol. The total polyphenol and flavonoid contents were 2.463 mg gallic acid equivalent/g and 1.602 mg cathechinequivalent/g, respectively. The 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid and α-α-diphenyl-β-picrylhydrazyl freeradical scavenging activities were 15.297% and 22.265%, respectively, and the reducing power was 4.524 mg gallic acidequivalent/g. The okra seed oil inhibited 77.692% of the α-glucosidase activity. The present study showed that okra seedoil had a considerable amount of phytochemicals and exhibited biological activity. These results suggest that okra seed oilis a potential natural therapeutic for the management of metabolic syndromes.
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KEYWORD
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Okra seed oil, vitamin E, phytosterol, radical scavenging activity, α-glucosidase inhibitory activity
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