【摘要】 为探究皇冠梨在寒冷地区运输时的损伤及品质变化，本研究以皇冠梨电商包装为对象，测试在不同振动时间和不同环境温度条件下，包装内皇冠梨12项指标的变化。运用主效应方差分析得出，低温振动对皇冠梨的硬度、失重率、呼吸强度、可溶性固形物、抗坏血酸、损伤率、损伤指数和总酚物质相对含量产生了显著的影响。低温振动加速了果实品质的下降。随着振动时间的增加，其品质下降速度增大、非酶类抗氧化物质增加。并且，随着温度的降低，从0℃到15℃时，皇冠梨品质下降速度减小；从-15℃到-30℃时，导致品质下降速度增大、非酶类抗氧化物减少。通过回归分析，建立了皇冠梨硬度、损伤率、损伤指数、失重率、可溶性固形物、抗坏血酸和总酚物质相对含量与环境温度（X₁）和振动时间（X₂）的回归方程，预测了皇冠梨在低温环境运输的损伤及品质变化。实验结论可为电商包装在低温条件下的物流运输提供一定理论依据参考。更多还原

【Abstract】 To explore the damage and quality changes of Huangguan pears during transportation in cold regions, the e-commerce packaging of Huangguan pears was taken as the research object in this study, and the changes of 12 indicators of Huangguan pears in the packaging were tested under the conditions of different vibration durations and different ambient temperatures. The results indicated that using the main effect analysis of variance, the hardness, weight loss rate, respiration intensity, soluble solids, ascorbic acid, damage rate, damage index, and total phenols of Huangguan pears were more significantly impacted by low-temperature vibration. Low-temperature vibration accelerated the rate of fruit quality deterioration. With the increase of vibration time, the rate of quality deterioration is accelerated, and the content of non-enzymatic antioxidants is increased. As the environmental temperature decreased from 0℃ to-15℃, the degree of quality deterioration of Huangguan pears slowed down. However, the environmental temperature from-15℃ to-30℃, the degree of quality deterioration increased, and non-enzyme antioxidants decreased. Regression equations for Huangguan pear hardness, damage rate, damage index, weight loss rate, soluble solids, ascorbic acid, and total phenol content with environmental temperature（X₁） and vibration time（X₂） were established through regression analysis, and the damage and quality changes of Huangguan pears during transportation in low-temperature environments could be predicted. The experimental conclusions could provide a theoretical basis for the logistics transportation of e-commerce packaging under low-temperature conditions.更多还原