1.Evaluation of in vitro lipid-lowering properties of ‘Saba’ banana [Musa acuminata x balbisiana (BBB group) ‘Saba’] peel pectin from different extraction methods
Estribillo Abbie Glenn M ; Gaban Prince Joseph V ; Rivadeneira Joel P ; Villanueva Jeric C ; Torio Mary Ann O ; Castillo-Israel Katherine Ann T
Malaysian Journal of Nutrition 2022;28(No.1):65-77
Introduction: This study was conducted to investigate the in-vitro lipid-lowering
properties of ‘Saba’ banana peel pectin (SBP) extracted using three methods for its
possible use as a dietary fibre ingredient. Methods: Pectin from ‘Saba’ banana peels
were extracted using acid extraction (citric acid), enzymatic extraction (cellulase),
and microwave-assisted extraction. In-vitro lipid-lowering assays were performed
using spectrophotometry for pancreatic lipase inhibition and cholesterol binding,
while liquid chromatography was used for bile acid-binding capacity. Results:
Results revealed that all SBPs were not able to inhibit pancreatic lipase activity.
However, all SBPs can notably bind to cholesterol and bile acids, taurocholate, and
glycocholate. Acid-extracted pectin had the highest binding capacity to cholesterol
(51.36%–55.07%) and glycocholate (27.37%), whereas all SBPs were similarly
bound to taurocholate. Conclusion: The results of this study showed that acidextracted
SBPs can significantly bind to cholesterol and bile acids, glycocholate and
taurocholate, thereby indicating a possible reduction in lipid metabolism.


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