Effect of HypobaRic TReatment on StoRage Quality of Toona sinensis

doi:10.7668/hbnxb.2013.06.031

Abstract

Abstract: To study on effect of hypobaric treatments on storage quality of Toona sinensis,this paper analyzed the changes of respiration rate, apparent and internal quality of Toona sinensis sprout which treated with hypobaric treatments ( A:Sealed storage under 20 kPa;B:20 kPa→atmospheric pressure→60 kPa ).The results showed that both A and B treatment delayed the appearance of respiratory peak, inhibited the respiratory intensity of Toona sinensis effectively by 16.80%and 51.85%than control.Both A and B treatment reduced the defoliation rate, rot-ting rate and weight loss rate of Toona sinensis significantly,defoliation rate were decreased by 8.01 and 11.22 per-centage points, rotting rate were decreased by 4.58 and 5.64 percentage points, weight loss rate were decreased by 4.39 and 4.87 percentage points,respectively.Decompression treatments were significantly effective in reducing corrosion of vitamin C and chlorophyll, vitamin C loss rate of A and B treatment were decreased by 15.63 and 31.25 percentage points respectively than control, while chlorophyll loss rate were decreased by 8.4 and 17.72 per-centage points.The average PPO activity of A and B were significantly decreased by 9.43%and 17.87%respec-tively during the whole storage period.Therefore, considering respiration rate, apparent and internal quality compre-hensively, group B that hypobaric storage in stage was the best.

Key words: HypobaRic, Toona sinensis, StoRage quality

CLC Number:

TS205.9

WANG Zhao-gai, YANG Hui, ZHU Guang-cheng. Effect of HypobaRic TReatment on StoRage Quality of Toona sinensis[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(6): 181-185. doi: 10.7668/hbnxb.2013.06.031.

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