1 材料与方法
1.1 材料
1.2 方法
1.3 数据分析
2 结果与分析
2.1 不同浓度壳聚糖处理对采后西番莲果实呼吸强度的影响
图1 不同浓度壳聚糖处理的采后西番莲果实呼吸强度**表示在相同贮藏时间内,卡多赞稀释200倍处理组与对照组差异极显著(P<0.01)。 Fig. 1 Respiration rate of postharvest passion fruit treated with different concentrations of chitosan ** indicates extremely significant difference (P<0.01) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan-treated passion fruit and the control at the same storage day. |
2.2 不同浓度壳聚糖处理对采后西番莲果皮细胞膜透性的影响
图2 不同浓度壳聚糖处理的采后西番莲果皮细胞膜透性*和**分别表示在相同贮藏时间,卡多赞稀释200倍处理组与对照组的差异显著(P<0.05)和极显著(P<0.01)。 Fig. 2 Membrane permeability of postharvest passion fruit peel cells treated with different concentrations of chitosan * and ** indicate significant difference (P<0.05 and P<0.01, respectively) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan-treated passion fruit and the control group on the same storage day. |
2.3 不同浓度壳聚糖处理对采后西番莲外果皮L*、a*、b*的影响
图3 不同浓度壳聚糖处理的采后西番莲外果皮L*值(A)、a*值(B)和b*值(C)*和**分别表示在相同贮藏时间,卡多赞稀释200倍处理组与对照组差异显著(P<0.05)和极显著(P<0.01)。 Fig. 3 Values of L* (A), a* (B) and b* (C) in pericarp of postharvest passion fruit treated with different concentrations of chitosan * and ** indicate significant difference (P<0.05 and P<0.01, respectively) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan- treated passion fruit and the control group on the same storage day. |
2.4 不同浓度壳聚糖处理对采后西番莲果皮花色素苷、类黄酮、总酚含量的影响
图4 不同浓度壳聚糖处理的采后西番莲果皮花色素苷(A)、类黄酮(B)和总酚(C)含量*和**分别表示在相同贮藏时间,卡多赞稀释200倍处理组与对照组差异显著(P<0.05)和极显著(P<0.01)。 Fig. 4 The contents of anthocyanin (A), flavonoid (B) and total phenolics (C) in pericarp of postharvest passion fruit treated with different concentrations of chitosan * and ** indicate significant difference (P<0.05 and P<0.01, respectively) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan-treated passion fruit and the control group on the same storage day. |
2.5 不同浓度壳聚糖处理对采后西番莲果肉主要营养成分含量的影响
图5 不同浓度壳聚糖处理的采后西番莲果肉主要营养成分含量*和**分别表示在相同贮藏时间,卡多赞稀释200倍处理组与对照组差异显著(P<0.05)和极显著(P<0.01)。 Fig. 5 The main nutrient components contents in pulp of postharvest passion fruit treated with different concentrations of chitosan * and ** indicate significant difference (P<0.05, and P<0.01, respectively) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan-treated passion fruit and the control group on the same storage day. |
2.6 不同浓度壳聚糖处理对采后西番莲耐贮性的影响
图6 不同浓度壳聚糖处理的采后西番莲果实商品率(A)和失重率(B)*和**分别表示在相同贮藏时间,卡多赞稀释200倍处理组与对照组差异显著(P<0.05)和极显著(P<0.01)。 Fig. 6 The commercially acceptable fruit rate (A) and weight loss percentage (B) of postharvest passion fruit treated with different concentrations of chitosan * and ** indicate significant difference (P<0.05 and P<0.01, respectively) between the 1∶200 (VKadozan∶VKadozan+water) Kadozan-treated passion fruit and the control group on the same storage day |
