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KMID : 1134820190480040494
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Journal of the Korean Society of Food Science and Nutrition
2019 Volume.48 No. 4 p.494 ~ p.500
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Antioxidant Activities and Functional Components of Some Rose Flower Cultivars
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Choi Sun-Young
Kim Min-Young
Lee Yoon-Jeong
Choi Ehn-Kyoung
Kim Yun-Bae
Lee Jun-Soo
Jeong Heon-Sang
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Abstract
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This study examined the functional components and antioxidant activities of four different rose flower (Colorado, Onnuri, platyphylla Thory, and Icewing cultivars) extracts to promote the value of edible flowers as new agricultural products. platyphylla Thory showed the highest total polyphenol and flavonoid contents 93.59 mg gallic acid equivalent (GAE)/g and 9.12 mg catechin equivalent (CE)/g, respectively and Icewing showed the lowest 62.76 mg GAE/g and 2.72 mg CE/g, respectively. The 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) and 1,1-diphenyl-2-picrylhydrazyl radical scavenging activities were high in Colorado at 0.45 and 0.52 mg ascorbic acid equivalent/mg, respectively. The phenolic acid compounds showed the highest value of 3.13 mg/g in platyphylla Thory. The anthocyanin content was as high as 8.58 mg/L in the platyphylla Thory but was not detected in Icewing. The proanthocyanidins contents in Colorado and platyphylla Thory cultivars were 1.82 and 2.50 mg CE/g, respectively but they were not detected in Onnuri and Icewing. These results suggest that the antioxidant activity and anthocyanin content of platyphylla Thory are high and they can be applied as a food material.
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KEYWORD
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Rosa hybrida, antioxidant activity, polyphenol, phenolic acid, anthocyanin
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