A study on chemical components of fresh roselle petals (Hibiscus Sabdariffa L.) Planted in Dak Lak by HR-MS
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Keywords:
Hibiscus Sabdariffla
roselle
HR-MS
chemical analysis
antioxidant
Abstract
In this study we evaluate the chemical content of fresh Roselle petals planted in Buon Ma Thuot, Dak Lac. Its ethanol/water extract is analyzed by HPLC – HRMS.It is found that the extract contains 61 compounds mainly grouped as amino acid and amines (36.44%), organic acids (12.65%), phenol (21.85%), glycoside and derivates (1.48%) and other groups. The quantity of total polyphenol and quantity of total flavonoids content are respectively 7.09 mg GAE/g and 3.45 mg GE/g. Results of the antioxidant activity of water – ethanol extracts by DPPH radical scavenging show that antioxidant activity has SC50 value of 128.2μg/ml. These are the initial reports on chemical composition and antioxidant activity of fresh Roselle petals planted in Dak Lac.
References
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Published
Jan 31, 2018
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How to Cite
Phùng Văn Trung, Phạm Hồng Ngọc, Nguyễn Thị Hồng Thắm, Ngọ Thị Phương, Lê Ngọc Hùng, Lê Minh Hà*. “A Study on Chemical Components of Fresh Roselle Petals (Hibiscus Sabdariffa L.) Planted in Dak Lak by HR-MS”. The University of Danang - Journal of Science and Technology, vol. 1, no. 122, Jan. 2018, pp. 141-5, https://jst-ud.vn/jst-ud/article/view/160.
