Effects of thermosonication and orange by-products extracts on quality attributes of carrot (Daucus carota) juice during storage

被引:33
作者
Adiamo, Oladipupo Q. [1 ]
Ghafoor, Kashif [1 ]
Al-Juhaimi, Fahad [1 ]
Ahmed, Isam A. Mohamed [1 ]
Babiker, Elfadil E. [1 ]
机构
[1] King Saud Univ, Coll Food & Agr Sci, Dept Food Sci & Nutr, POB 2460, Riyadh 11451, Saudi Arabia
关键词
Carrot juice; microorganisms; phenolic compounds; quality; storage; thermosonication; CITRUS; INACTIVATION; ULTRASOUND; SONICATION; APPLE; PARAMETERS; PHENOLICS; FRUITS; PEELS;
D O I
10.1111/ijfs.13490
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Effect of thermosonication on carrot juice containing peel (CJPL) and pulp (CJPP) extracts from orange at different concentration (0.5, 2.0 and 4.0 mg GAE per g extracts) of total phenolic contents (TPC) was evaluated for quality attributes. Thermosonication of juice was done at 52 degrees C, 6 min for CJPL and 60 degrees C, 5 min for CJPP (values based on our preliminary optimisation results of ultrasound process conditions of the juice) at 40 kHz and 110W. Effect of thermosonication and addition of peel and pulp extracts at highest concentration increased the TPC and antioxidant activity of the juice (P < 0.05). Highest inactivation of microorganisms and better sensory attributes was achieved in thermosonicated CJPP for 21 days. Titratable acidity, pH, browning index and viscosity were improved by thermosonication and at highest extract concentration. degrees Brix and total carotenoid were not significantly affected by treatments. Therefore, thermosonication at 60 degrees C and 4.0 mg GAE per g extract concentration of peel and pulp may be used in formulation of functional carrot juice with improved health properties.
引用
收藏
页码:2115 / 2125
页数:11
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