期刊
FOOD ANALYTICAL METHODS
卷 -, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1007/s12161-023-02547-9
关键词
Microwave extraction; Pectin; Citrus maxima; Response surface methodology
This study explores the extraction of pectin from the albedo and flavedo portions of Citrus maxima using green microwave aided extraction technology. The optimal conditions for extraction were identified and the resulting pectin was compared with commercial pectin in terms of properties and characteristics.
The present study demonstrates that the albedo (A(P)) and flavedo (F-P) portions of Citrus maxima, are often discarded as agricultural waste that has the potential to manufacture high-quality pectin. The efficacy of green microwave aided extraction (MAE) technology for pectin extraction yield from both the portions of citrus peels was examined using a response surface technique. However, further advancement has to be made in improving the functional parameters required for MAE. The optimal conditions for increased pectin yields for albedo (Y-AP %) and flavedo (Y-FP %) were found to be solid to solvent ratio (1:15), time (95 s) and power (450 watt). The predicted values of Y-AP (5.35%) and Y-FP (3.13) were in accordance with experimental values of Y-AP (5.57 %) and Y-FP (3.09 %) with small error % i.e., 3.90 % and 1.29 % for A(P) and F-P respectively. The A(P) and F-P extracted at optimum conditions were compared with commercial pectin (C-p) based on physicochemical properties, color, FT-IR, FE-SEM/EDX, XRD, and particle size analysis. Experimental result shows that A(P) and F-P were classified as high methoxy pectin due to high DE values 72.76 % and 74.98 % respectively.
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