Elsholtzia ciliata (Thunb.) Hyland (Lamiaceae) is widespread in the Central Highlands (Tay Nguyen) and Southern Vietnam. In traditional cure, E. ciliata has been secondhand for the treatment of colds, frenzy, flu, difficulty, dizziness, rheumatism, pharyngitis, intestinal pain, dysentery, vomiting, measles, and itching sores. This study proposed to determine the total flavonoid content by excited liquid extraction plan and evaluate the antioxidant action of flavonoid-rich extracts of E. ciliata collected in the three domains in Dak Lak province. The flammable liquid extracts were obtained by enthusiastic liquid extraction plan from the leaves of E. ciliata composed in Buon Ma Thuot city (KG-BMT), Cu M'gar section (KG-CM), and Buon Don district (KG-BD). The total flavonoid content (TFC) from the intoxicating extracts obtained in three domains was 82.30696 mg quercetin equivalent (QE)/g extract for the Cu M'gar region, 62.26035 mg QE/g extract for the Buon Don district, and 27.08587 mg QE/g extract for Buon Ma Thuot city. The flammable liquid extracts showed extreme levels of antioxidant capacity in the 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay accompanying IC50 ranging from 0.70 to 1.98 mg/mL. Flavonoid compounds were recognized as apigenin, apigenin-O-b-glucoside, ethyl gallate, catechin, epicatechin, and quercitrin from the methanol extracts in three domains by extreme-high performance liquid chromatography (UHPLC).
Author(s) Details:
Dao-Cuong To,
Phenikaa University Nano Institute (PHENA),
Phenikaa University, Yen Nghia, Ha Dong District, Hanoi 12116, Vietnam and
Phenikaa Research and Technology Institute (PRATI), A&A Green Phoenix Group
JSC, 167 Hoang Ngan, Cau Giay District, Hanoi 11313, Vietnam.
Truong
Nhan Ngu,
Department
of Natural Sciences and Technology, Tay Nguyen University, 567 Le Duan, Buon Ma
Thuot, Dak Lak 630000, Vietnam.
Van-Tinh Nguyen,
Applied Biomedical Research Institute Buon Ma Thuot University of Medicine,
298 Ha Huy Tap Street, Buon Ma Thuot, Dak Lak, 630000, Vietnam.
Dam Thi Bich Hanh,
Department of Natural Sciences and Technology, Tay Nguyen University, 567
Le Duan, Buon Ma Thuot, Dak Lak 630000, Vietnam.
Truong
Ba Phong,
Department of Natural Sciences and Technology,
Tay Nguyen University, 567 Le Duan, Buon Ma Thuot, Dak Lak 630000, Vietnam.
Phi-Hung
Nguyen,
Institute
of Natural Products Chemistry, Vietnam Academy of Science and Technology
(VAST), 18 Hoang Quoc Viet, Caugiay, Hanoi 122100, Vietnam.
Manh Hung Tran,
School of Medicine & Pharmacy, The University of Danang, Hoa Quy, Ngu Hanh
Son, Da Nang City 550000, Vietnam.
Please see the link here: https://stm.bookpi.org/COPS-V6/article/view/9460
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