Effects of preharvest different preservatives spraying on postharvest storage quality of blueberry

Authors

CAO Sen, Guiyang University, Guiyang, Guizhou 550005 , China ；Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China
JI Ning, Guiyang University, Guiyang, Guizhou 550005 , China ；Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China
BA Liang-jie, Guiyang University, Guiyang, Guizhou 550005 , China ；Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China
MA Chao, Guiyang University, Guiyang, Guizhou 550005 , China ；Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China
WANG Hong, Guiyang University, Guiyang, Guizhou 550005 , China
YAO Xiu-dan, Guiyang University, Guiyang, Guizhou 550005 , China
WANG Rui, Guiyang University, Guiyang, Guizhou 550005 , China ；Guizhou Engineering Research Center for Fruit Processing, Guiyang, Guizhou 550005 , China

Abstract

Powderblue blueberry fruits were sprayed (800 mg/L Natamycin, 1 000 mg/L ε-Polylysine, 800 mg/L Chitosan) before harvest. The four groups of fruits were stored at low temperature (0.5±0.5) ℃ and the physiological indexes of the four groups were determined. The results showed that: compared with the control(CK), the different preservation could reduce the increase of fruit decay rate, delay the decrease of fruit firmness, soluble solids, titratable acid content and anthocyanin content, inhibit the respiration rate and ethylene production rate of fruit. The POD、CAT、LOX and APX were effectively maintained. The mold and yeast counts of blueberry were better reduced. The effect of natamycin with 800 mg/L concentration was better than that with 1 000 mg/L ε-Polylysine and 800 mg/L Chitosan. The best preservation method is natamycin with 800 mg/L concentration, which can be used for blueberry fruits preservation.

Publication Date

5-28-2020

First Page

146

Last Page

150

DOI

10.13652/j.issn.1003-5788.2020.05.027

Recommended Citation

Sen, CAO; Ning, JI; Liang-jie, BA; Chao, MA; Hong, WANG; Xiu-dan, YAO; and Rui, WANG (2020) "Effects of preharvest different preservatives spraying on postharvest storage quality of blueberry," Food and Machinery: Vol. 36: Iss. 5, Article 27.
DOI: 10.13652/j.issn.1003-5788.2020.05.027
Available at: https://www.ifoodmm.cn/journal/vol36/iss5/27

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