| Issue |
BIO Web Conf.
Volume 206, 2025
The 5th International Conference on Tropical Agrifood, Feed, and Fuel (ICTAFF 2025)
|
|
|---|---|---|
| Article Number | 01008 | |
| Number of page(s) | 9 | |
| Section | Agroindustry, Food Technology, and Bioeconomy | |
| DOI | https://doi.org/10.1051/bioconf/202520601008 | |
| Published online | 19 December 2025 | |
Optimization of Microwave-Assisted Extraction Parameters to Enhance Phenolic and Antioxidant Recovery from Lepisanthes amoena Leaves for Anti-Biofouling Applications
1 Department of Agricultural Product Technology, Faculty of Agriculture, Mulawarman University, Jl. Tanah Grogot Kampus Gunung Kelua, 75119, Indonesia
2 Halal Research Center, Institute for Research and Community Service, Mulawarman University, Jl. Kerayan Kampus Gunung Kelua, 75119, Indonesia
3 Department of Agro-Industrial Technology, Faculty of Industrial Technology, Institut Teknologi Sumatera, Jl. Terusan Ryacudu, Desa Way Hui, Kecamatan Jati Agung, Lampung Selatan 35365, Indonesia
* Corresponding author: This email address is being protected from spambots. You need JavaScript enabled to view it.
Kokang leaves (Lepisanthes amoena), a plant native to Kalimantan, have long been utilized by local communities for treating wounds and maintaining skin health. This species holds promising potential as a natural source of bioactive compounds, particularly due to its antimicrobial and antioxidant constituents that are valuable in both health and food applications. Phenolics and flavonoids are naturally occurring compounds frequently found in plant-derived materials. This study aimed to determine the levels of phenolics, flavonoids, and antioxidant activity in kokang leaf powder extracted using Microwave-Assisted Extraction (MAE). The experimental design incorporated variations in solvent ratios (1:10, 1:15, and 1:20) and extraction durations (2, 3, and 4 minutes). Data were processed using two-way ANOVA at a 95% confidence level. The findings indicated that the interaction between solvent ratio and extraction time significantly influenced the total phenolic content, total flavonoid content, and antioxidant activity of the kokang leaf extract powder. The treatment with a 1:10 solvent ratio and 2-minute extraction time yielded the highest values, including total phenolics (258.6 mg GAE/g), total flavonoids (74.8 mg QE/g), and antioxidant activity (IC50) of 29.4 μg/mL.
© The Authors, published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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