Characterization of Green-Extracted Orange Peel Pectin

Le Ngoc Lieu1, Tran Thuy Thi Thanh2, Vu Linh Tran Khanh2,
1 International University - Vietnam National University Ho Chi Minh City, Quarter 6, Linh Trung Ward, Thu Duc District, Ho Chi Minh City, Viet Nam
2 Ho Chi Minh City University of Technology and Education, No. 1 Vo Van Ngan Street, Linh Chieu Ward, Thu Duc District, Ho Chi Minh City, Viet Nam

Main Article Content

Abstract

This study primarily investigated the possibility of extracting pectin from orange peels using water as a green solvent. The pectin powder was characterized. The results show that the extracted pectin had acceptable moisture content (8.21%) and high purity with the total anhydro­ronic acid content of 82.7%. The degree of esterification and methoxyl content w­ere 25.54% and 3.72%, respectively, which indicates the obtained pectin belongs to low methoxyl pectin able to form gel in the present of metal ions. The Fourier Transform Infrared (FTIR) spectrum re-verified its chemical structure. The work suggests that water can be an environmentally friendly solvent for pectin extraction.

Article Details

References

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