Impact of extract conditions on total phenolic compounds and antioxidant activities of Phu Quoc sim fruits (rhodomyrtus tomentosa (ait.) hassk.)
Các tập tin
Ngày
2019
Tác giả
Le, Phuong Uyen
Vo, Thi Thanh Nhan
Ngo, Dai Hung
Vo, Thanh Sang
Tên Tạp chí
Tạp chí ISSN
Nhan đề tập
Nhà xuất bản
Nguyen Tat Thanh University
Giấy phép
Tóm tắt
Rhodomyrtus tomentosa is an evergreen shrub that originates from Southeast Asia and grows in abundance with rose-pink flowers and dark-purple edible bell-shaped fruits. In this study, optimal extraction conditions for achieving high contents and antioxidant activities of the total phenolic compound (TPC) from Phu Quoc sim fruits were investigated. It was found that the total phenolic content achieved was upon 179.055mg gallic acid equivalent (GAE)/g dry weight extract (DWE) and the DPPH scavenging activity was 65.112% at concentration of 100µg/ml. The optimal extraction conditions were identified with 80% ethanol, with solid-to-solvent ratio of 1/4 (w/v), and 4 hours of extraction at the temperature of 60°C. Furthermore, the antioxidant activity of ethanol extract was found due to scavenging DPPH (IC50=93.713µg/ml) and ABTS (IC50=83.512µg/ml) radicals. Accordingly, Phu Quoc sim fruits was suggested a potential source of bioactive polyphenols with high antioxidant activities.
Mô tả
7 pages.
Từ khóa
Sim , Rhodomyrtus tomentosa , Phenolic , DPPH , Antioxidant
Trích dẫn
Nguyen Tat Thanh University. (2019). Journal of Science and Technology - NTTU, No 05. ISSN 2615-9015.