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http://dx.doi.org/10.9721/KJFST.2016.48.5.466

Reduction in bitter taste and quality characteristics in pickled bitter melon (Momordica charantia L.) by different pretreatment conditions  

Park, HyoSun (Food and Nutrition in Department of Human Ecology, College of Natural Science, Korea National Open University)
Moon, BoKyung (Department of Food and Nutrition, Chung-Ang University)
Kim, Suna (Food and Nutrition in Department of Human Ecology, College of Natural Science, Korea National Open University)
Publication Information
Korean Journal of Food Science and Technology / v.48, no.5, 2016 , pp. 466-473 More about this Journal
Abstract
This study was performed to investigate the reduction in bitter taste and quality characteristics by pretreatments (brining; 1, 5% and blanching; 1, 3 min) in pickled bitter melon, respectively. We prepared picked bitter melon samples at 1%-1 min, 1%-3 min, 5%-1 min, 5%-3 min. Total polyphenol and total flavonoid contents were found to be the highest in 5%-1 min at $14.23{\pm}0.40mg\;CE/g$ (dry) and $4.46{\pm}0.10mg\;RE/g$ (dry), respectively. L-ascorbic acid level was the highest in control samples. Arginine and glutamic acid were increased by brining and blanching. ABTS and DPPH radical scavenging activity were found to be the highest at $43.60{\pm}0.40$ and $44.88{\pm}0.20%$ at 5%-1 min, respectively. ${\alpha}-glucosidase$ inhibitory activity was the highest at 5%-1 min. The a value was statistically different, whereas L and b values were similar among different pretreatments. Hardness in pretreated samples was decreased as compared to that in the control. Among sensory evaluations, 'color' did not indicate any statistical difference, while 'texture', 'bitterness preference' and 'overall preference' increased with pretreatments, and 'bitter intensity' decreased.
Keywords
picked bitter melon; brining; blanching; ${\alpha}-glucosidase$ inhibitory activity; bitterness;
Citations & Related Records
Times Cited By KSCI : 21  (Citation Analysis)
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