采前喷钙对黄秋葵采后贮藏品质的影响

Effect of Preharvest Calcium Chloride Sprays on Quality of Postharvest Okra During Storage

以黄秋葵为试验材料,采前使用氯化钙、草酸钙、有机酸螯合钙、丙酸钙对黄秋葵幼果进行喷钙处理,以喷清水为对照,考察采前喷不同形态钙对黄秋葵采后贮藏(4±0.5℃)品质的影响。结果表明:采前喷钙处理能减少黄秋葵采后贮藏期的失重率,降低电导率,抑制其果实脆度、叶绿素含量、可溶性蛋白质含量及色差a^*值的减少,较好保持了黄秋葵采后贮藏期的品质,其中以喷浓度为0.05mol/L有机酸螯合钙的效果最好,能较好地在冷藏条件下保持黄秋葵原有的外观和风味。

The effect of preharvest calcium sprays and low temperature treatment on storage quality of okra with preharvest different forms of calcium sprays and then storage at 4±0.5℃when the okra were mature were studied.The results showed that preharvest calcium sprays could reduce weight loss rate,significantly decrease the electrical conductivity,inhibit the decline of the fracturability,the chlorophyll content,the soluble protein content and the color difference a^*value.These results indicated that preharvest calcium sprays may keep well quality of okra during storage period,okra sprayed with 0.05 mol/L organic chelate calcium could maintain its original appearance and flavor during cold storage.