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KMID : 0613820220320120989
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Journal of Life Science
2022 Volume.32 No. 12 p.989 ~ p.996
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Anti-thrombosis and Anti-oxidant Activities of Edible Flower Teas
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Lee Yun-Seo
Kwon Ha-Young
Hwang Eun-Kyung
Sohn Ho-Yong
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Abstract
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Some flowers have high sensual appealability due to their unique shapes, colors, smells, and tastes. Such edible flowers receive social attention as a noble ingredient of functional teas. In this study, methanol extracts of 23 commercial flower teas (CFTs) were prepared, and their color differences were compared. No tar color pigments were detected in the 23 CFT. The average content of total polyphenol of the 23 CFTs was 80.2±50.92 mg/g and the extracts of jin-dal-rae (Rhododendron mucro- nulatum Turcz), mae-hwa (Prunus mume), mae-mil (Fagopyrum esculentum), mok-ryun (Magnolia kobus), and sal-gu (Prunus armeniaca var. ansu Maxim) flowers showed total polyphenol contents
greater than 150 mg/g. The average content of total sugar of the 23 CFTs was 187.4±166.5 mg/g and the extracts of chamomile (Chamaemelum nobile), kuk-hwa (Chrysanthemum morifolium), dong-baek (Camellia japonica L.), and won-chu-ri (Hemerocallis fulva) flowers showed total sugar contents greater than 400 mg/g. Among the 23 CFTs, the extract of jang-mi (Rosa hybrida hortorum) flower has prominent anti-thrombosis activity, and the extracts of dal-ma-ji (Oenothera lamarckiana), dong-baek, hibiscus (Hibiscus syriacus), and mae-mil flowers showed strong inhibitions against throm- bin and blood coagulation factors. Also, the extracts of jang-mi, kum-jan-hwa (Tagetes erecta L.),
mae-mil, mok-ryun dong-baek, and jin-dal-rae flower showed strong radical scavenging activities against DPPH, ABTS, and nitrite and reducing power. Our results suggest that the flowers of jang-mi, mae-mil, and dong-baek can be developed as promising anti-thrombosis treatments.
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KEYWORD
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Anti-oxidant, anti-thrombosis, edible flowers, flower-tea, tar color
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