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Open AccessCommunication

Rapid and Enhanced Liquefaction of Pulp from Mango (Mangifera indica L.) cv. Totapuri Using Ultrasound-Assisted Enzyme Pretreatment

1
Department of Microbiology, Yogi Vemana University, Kadapa (A.P.) 516003, India
2
Department of Food Science & Technology, Chonnam National University, Gwangju 61186, Korea
3
Department of Food Science and Technology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea
*
Authors to whom correspondence should be addressed.
Processes 2020, 8(6), 718; https://doi.org/10.3390/pr8060718
Received: 12 May 2020 / Revised: 9 June 2020 / Accepted: 18 June 2020 / Published: 20 June 2020
(This article belongs to the Special Issue Biocatalysis, Enzyme and Process Engineering)
The effect of ultrasound and enzyme pretreatment (with pectinase, amylase, and cellulase) on the physicochemical properties (yield, viscosity, total soluble solids, and total phenolics) of mango juice was evaluated through a set of six experiments. Ultrasonication treatment alone showed no influence on juice yield (54.6 ± 1.1%). However, the combined uses of ultrasonication with a pectinase or the enzyme mixture significantly increased the yield (94.1 ± 1.4% and 80.0 ± 2.1%, respectively) and decreased the enzyme pretreatment time (from 2 h to 1 h). Pectinase treatment assisted by ultrasonication was more effective with regard to juice yield, viscosity reduction, and the clarity of the juice than the enzyme mixture treatment with ultrasonication. Ultrasonication alone significantly increased the amount of total phenolics (65.5 ± 1.0 mg/100 mL) and showed a slight reduction of viscosity and improvement of clarity compared to the control. View Full-Text
Keywords: mango pulp; ultrasound; enzymatic treatment; yield; clarity; viscosity mango pulp; ultrasound; enzymatic treatment; yield; clarity; viscosity
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MDPI and ACS Style

Reddy, L.V.; Kim, Y.-M.; Wee, Y.-J. Rapid and Enhanced Liquefaction of Pulp from Mango (Mangifera indica L.) cv. Totapuri Using Ultrasound-Assisted Enzyme Pretreatment. Processes 2020, 8, 718.

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