TẠP CHÍ CÔNG THƯƠNG ĐIỆN TỬ - CƠ QUAN THÔNG TIN LÝ LUẬN CỦA BỘ CÔNG THƯƠNG
Tạp chí Công Thương - Các kết quả nghiên cứu
Quay về Tạp chí Công Thương
e-ISSN 3093-3994
ISSN 0866-7756
DOI: 10.62831
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Issue: Số 24 - Tháng 8 - 2026 Hóa học - Công nghệ thực phẩm

Effects of extraction conditions on the antioxidant and antibacterial activities of hydroponic pennywort tuber extracts (Centella asiatica (L.) Urban)

Published: September 16, 2026

Abstract

This study investigates the effects of three extraction parameters: solid-to-solvent ratio (1:10, 1:20, and 1:30 g/mL), extraction temperature (40–80°C), and extraction time (40 - 70 min), on the antioxidant activity and antibacterial activity of hydroponic pennywort tuber extracts against Escherichia coli and Staphylococcus aureus. The optimal conditions were a solid-to-solvent ratio of 1:20, 70°C, and 60 min, producing DPPH antioxidant activity of 15.42 ± 0.19 µmol TE/g. At 1,000 mg/mL, the extract produced inhibition zones of 16.00 ± 1.00 mm against E. coli and 18.33 ± 0.58 mm against S. aureus, comparable to ampicillin at 100 µg/mL. These findings provide a scientific basis for developing efficient extraction processes for functional food and medicinal applications.
Keywords
hydroponic pennywort extraction antioxidant activity antibacterial activity

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