Drying characteristics and quality of Turpan seedless white grape in different drying rooms

Authors

E-LI Ka-si-mu, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
LI Ze-ping, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
LI Xue-lian, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
SHI Yong, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
ZHOU Jun, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
HUANG Hua, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China
GUO Jun-xian, College of Mechanical and Electronic Engineering, Xinjiang Agricultural University, Urumqi, Xinjiang 830052 , China

Abstract

The drying time, green rate, sugar content, VC content, sensory index, and color (including the average value of L*, a*, b*, R, G, B, etc) of seedless white grape in southwest, southeast, north-south, and east-west directions were compared for three kinds of drying houses constructed with different materials in Turpan area. The results showed that in brick drying house and adobe drying house, the drying time of seedless white grape in southwest direction was 24 days, the rate of green product was 32% and 24%, the sugar content was 721.3 mg/g and 719.6 mg/g, the content of VC was 7.84 mg/100 g and 7.65 mg/100 g, respectively. The effects were significantly better than that in southeast, north-south and east-west direction. In addition to the short drying time, other aspects of the quality of the shed frame drying house were significantly lower than the brick drying house and adobe drying house. Combined with the comprehensive analysis of the average values of L*, a*, b*, R, G and B, it can find that the southwest oriented brick structure air drying house constructed by the long axis of the air drying house is superior to other groups in terms of drying rate and raisin quality, which is the best air drying house.

Publication Date

2-18-2023

First Page

141

Last Page

146

DOI

10.13652/j.issn.1003-5788.2020.08.025

Recommended Citation

Ka-si-mu, E-LI; Ze-ping, LI; Xue-lian, LI; Yong, SHI; Jun, ZHOU; Hua, HUANG; and Jun-xian, GUO (2023) "Drying characteristics and quality of Turpan seedless white grape in different drying rooms," Food and Machinery: Vol. 36: Iss. 8, Article 25.
DOI: 10.13652/j.issn.1003-5788.2020.08.025
Available at: https://www.ifoodmm.cn/journal/vol36/iss8/25

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