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Putra, Andre Yusuf Tisna
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Pectin extraction from nephelium lappaceum (binjai variety) peel using pulsed electric field Santoso, Ganes Aurora; Wicaksono, Luqman Agung; Kurnianto, Muhammad Alfid; Munarko, Hadi; Putra, Andre Yusuf Tisna; Priyanto, Anugerah Dany
Konversi Vol 14, No 1 (2025): APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i1.22031

Abstract

This study aims to evaluate the effects of electric field intensity, extraction time, and solvent ratio on pectin yield from binjai rambutan skin using Pulsed Electric Field (PEF). The One Factor at a Time (OFAT) method was applied in three stages: (1) determining the optimal electric field intensity (5, 10, 15, and 20 kV/cm) with a fixed extraction time of 15 minutes and a solvent ratio of 1:30 w/v; (2) assessing the effect of extraction time (5, 10, 15, and 20 minutes) while maintaining the selected electric field intensity and a solvent ratio of 1:30 w/v; and (3) evaluating the influence of different solvent ratios (1:20, 1:30, 1:40, and 1:50 w/v) using the selected electric field intensity and solvent ratio from the previous stages. Each stage was conducted in duplicate to ensure data reliability. The collected data were analyzed using Analysis of Variance (ANOVA), followed by the Duncan Multiple Range Test (DMRT) at a 95% confidence level with SPSS v.27.0.1 software. The results demonstrate that each of electric field intensity, extraction time, and solvent ratio influence pectin yield. The optimal conditions obtained were an electric field intensity of 20 kV/cm, yielding 3.41%; an extraction time of 10 minutes, yielding 3.48%; and a solvent ratio of 1:30 w/v, yielding 3.48%.
The effect of microwave power, extraction time and solvent ratio of microwave assisted extraction (MAE) method on the yield of pectin from Nephelium lappaceum Daffa Athallah, Talitha Ayu; Kurnianto, Muhammad Alfid; Priyanto, Anugerah Dany; Munarko, Hadi; Putra, Andre Yusuf Tisna; Wicaksono, Luqman Agung
Konversi Vol 14, No 1 (2025): APRIL 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i1.22033

Abstract

Pectin is a complex polysaccharide that is widely used in the food, pharmaceutical, and cosmetic industries as a thickening agent, stabilizer, and emulsifier. Extraction methods such as hot acid extraction have limitations in terms of time efficiency and yield. Therefore, the Microwave-Assisted Extraction (MAE) method is a faster and more efficient alternative. Microwave-assisted extraction is a potential method for pectin extraction from rambutan binjai peel. Conventional extraction methods (direct heating) are widely used, but have drawbacks such as long process time, low yield, and the risk of pectin degradation. Environmentally friendly or green extraction processes are now being applied, one of which is microwave-assisted extraction.Based on research results, it is known that microwave pectin extraction has a higher yield and shorter extraction time compared to conventional methods. The best extraction results were obtained at a power of 540 Watts, with an optimal extraction time of 11 minutes and a solvent ratio of 1:20, with the highest yields being 7.53%, 7.11%, and 6.48%, respectively. The objectives of this study were (i) to determine the best microwave power in the extraction process, (ii) to determine the optimal extraction time, and (iii) to determine the best solvent ratio in the extraction process.
Co-Authors Anugerah Dany Priyanto, Anugerah Dany Daffa Athallah, Talitha Ayu Hadi Munarko Kurnianto, Muhammad Alfid Santoso, Ganes Aurora