Potential of high-pressure processing and high-temperature/short-time thermal processing on microbial, physicochemical and sensory assurance of clear cucumber juice

2016 ◽  
Vol 34 ◽  
pp. 51-58 ◽  
Author(s):  
Fengxia Liu ◽  
Xiaoxi Zhang ◽  
Liang Zhao ◽  
Yongtao Wang ◽  
Xiaojun Liao
LWT ◽  
2016 ◽  
Vol 65 ◽  
pp. 283-289 ◽  
Author(s):  
Liang Zhao ◽  
Yongtao Wang ◽  
Xiaotong Hu ◽  
Zhijian Sun ◽  
Xiaojun Liao

1997 ◽  
Vol 80 (10) ◽  
pp. 2291-2296 ◽  
Author(s):  
J.E. Schlesser ◽  
D.J. Armstrong ◽  
A. Cinar ◽  
P. Ramanauskas ◽  
A. Negiz

2020 ◽  
Vol 9 (1) ◽  
pp. 1-14
Author(s):  
Jeffrey G. Swada ◽  
Jose I. Reyes De Corcuera ◽  
Nicki J. Engeseth

Pectin methylesterase (PME) in papaya nectar results in undesirable gel formation and peroxidase (POD) in strawberry nectar leads to nutrient loss, browning, and off-flavor production. Because of this, the effect of alternative processing techniques including ultra high temperature (UHT, 20-135°C, 1-3 s), high pressure processing (HPP, 20 or 60°C, 200-600 MPa) and irradiation (0-10 kGy) on PME and POD activity in papaya and strawberry nectar and their respective blends were compared to traditional thermal processing (80-130°C, 0-10 min). Traditional thermal (110°C, 5 min, 71.5% reduction) and UHT (110°C, 1-3 s, 98.0% reduction) processing were able to sufficiently reduce PME activity and prevent gel formation in papaya nectar. PME reduction was enhanced by synergistic reductions in nectar blends after UHT at 80°C. HPP was unable to prevent gel formation in papaya nectar, with enhanced activity at 400 MPa. Exposure of a blend 50P:50S to 10 kGy irradiation prevented gel formation. UHT enhanced POD activity at 110°C and synergistic reductions resulted for POD activity in nectar blends after irradiation. These findings highlight the benefits of alternative processing in reducing enzyme activity in fruit nectars and nectar blends.


2020 ◽  
Vol 328 ◽  
pp. 127126 ◽  
Author(s):  
Stefano Nebbia ◽  
Marzia Giribaldi ◽  
Laura Cavallarin ◽  
Enrico Bertino ◽  
Alessandra Coscia ◽  
...  

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