colour kinetics
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2019 ◽  
Vol 15 (5-6) ◽  
Author(s):  
G. Xanthopoulos ◽  
A. Athanasiou ◽  
A. Sempou ◽  
D. Lentzou ◽  
Ch. Templalexis ◽  
...  

AbstractThe drying rate and colour kinetics of apricot halves were studied during stepwise air-drying compared to continuous drying. The tested stepwise temperature profiles exhibited two successive falling rate periods, which differed from the drying rate period of the constant drying temperature profile. Three chromatic indices, namely browning index, chroma and hue were analysed. The analysis showed that treatment with ascorbic acid was more effective during the step up temperature profile, whilst its antioxidant activity was lost during the step down temperature profile due to the initially used high drying temperatures. The chromatic indices were described by a modified kinetic model, the parameters of which were estimated by the Levenberg–Marquardt optimization algorithm and in all cases was derived R2adj≥ 0.88 and MRD < 4.88%.





2018 ◽  
Vol 2 (3) ◽  
pp. 223-232 ◽  
Author(s):  
B. C. Khodifad ◽  
Navneet Kumar ◽  
H. G. Bhatt ◽  
D. M. Vyas








2012 ◽  
Vol 48 (5) ◽  
pp. 992-998 ◽  
Author(s):  
Ibrahim Greiby ◽  
Muhammad Siddiq ◽  
Kirk D. Dolan ◽  
Shantanu Kelkar


2012 ◽  
Vol 114 (9) ◽  
pp. 1279-1296 ◽  
Author(s):  
Navneet Kumar ◽  
B.C. Sarkar ◽  
H.K. Sharma ◽  
Sunil Kumar Jha


2007 ◽  
Vol 42 (11) ◽  
pp. 1367-1375 ◽  
Author(s):  
Mohammed Ayub Hossain ◽  
James Lyn Woods ◽  
Bilash Kanti Bala


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