Responses of postharvest broccoli (Brassica oleracea L. var. italica) florets to controlled atmospheres with varying CO2/O-2 levels at different temperature

文献类型： 外文期刊

第一作者： Li, Ling

作者： Li, Ling;Guo, Yanyin;Nian, Binbin;Zhang, Zhengke

作者机构：

期刊名称：JOURNAL OF APPLIED BOTANY AND FOOD QUALITY （ 影响因子：1.451； 五年影响因子：1.73 ）

ISSN： 1439-040X

年卷期： 2014 年 87 卷

页码：

收录情况： SCI

摘要： Controlled atmospheres (CA) have been widely used in postharvest storage of fruits and vegetables. The gas compositions of common CA are consisted of O-2, CO2 and N-2, postharvest storage condition with gas combination of O-2 and CO2 was rarely studied. In this research, the effects of CA with different CO2/O-2 levels, i.e. 70% O-2 + 30 % CO2, 60 % O-2 + 40 % CO2, 50 % O-2 + 50 % CO2, 40 % O-2 + 60 % CO2, 30 % O-2 + 70 % CO2, and air (control) on the storage life and properties of broccoli during storage were investigated at different temperatures including 0, 10 and 20 degrees C. Results showed that the storage period of air treatments at 0, 10 and 20 degrees C was 21, 12, and 4d. Treatments with 60 % O-2 + 40 % CO2 at 0 degrees C, 50 % O-2 + 50 % CO2 at 10 degrees C, and 40 % O-2 + 60 % CO2 at 20 degrees C maximum inhibited respiration rate and ethylene production, maintain chlorophyll and ascorbic acid content, reduced the accumulation of acetaldehyde and ethanol, and extended the storage life of broccoli florets to 49, 31, and 14d compared to 21 d at 0 degrees C, 12 d at 10 degrees C and 4 d at 20 degrees C in air-treated broccoli. These results indicated that an appropriate CA with O-2/CO2 might be a potential strategy for postharvest storage of broccoli heads, and the appropriate proportion of O-2 and CO2 might vary with different temperature.

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