振动频率对蜜瓜贮藏期间质构特性和细胞的影响  

Effects of vibration frequency on muskmelon texture parameters

作　　者：刘建志[1] 杨晓清[1] 杜亚楠[1] LIU Jian- zhi;YANG Xiao- qing;DU Ya- nan(College of Food Science and Engineering, Inner Mongolia Agricultural University, Huhehot 010018, China)

机构地区：[1]内蒙古农业大学食品科学与工程学院,内蒙古呼和浩特010018

出　　处：《食品工业科技》2018年第8期240-244,共5页Science and Technology of Food Industry

基　　金：内蒙古自然科学基金项目(2013MS1204);内蒙古自治区高等学校科学研究项目(NJZY13078);国家科技支撑计划项目(2012BAD38B01)

摘　　要：为研究振动频率对蜜瓜果肉品质及果肉细胞的影响,本文采用物性测试仪的质地多面分析经6、9、12、15、18、24 Hz频率振动处理后的蜜瓜,测试其贮藏期内质构特性参数(TPA)的变化,探究不同振动频率对蜜瓜品质的影响及损伤大小。结果表明,经过振动处理过的蜜瓜的硬度、弹性、内聚性和咀嚼性明显低于对照组(p<0.05),振动后的蜜瓜的细胞膜渗透率明显高于对照组(p<0.05),通过细胞显微镜观察,发现振动后的细胞不再紧密连接并且出现萎缩。贮藏期内经6和9 Hz振荡处理样品的硬度、弹性、内聚性和咀嚼性下降值最大,细胞膜渗透率最高。因此,振动作用会造成果实细胞的损伤,明显降低蜜瓜的品质,实际运输过程中应尽量避免振动,最好采用缓冲包装。To study the effect of vibrational frequency on the quality of melon fruit and pulp cells.To explore the effects of 6,9,12,15,18,24 Hz vibrations on the quality of melons and the degree of damage through the texture profile analysis to study the texture changes of muskmelons.The results showed that the hardness,resilience,cohesiveness and chewiness of the muskmelons were significantly lower than the original group.The cell membrane permeability of the muskmelons was significantly higher than the control group.It was found that after the vibration treatment,the cells were not tightly connected and atrophied.In the storage period,the samples were vibrated at 6 and 9 Hz,the values of hardness,resilience,cohesiveness and chewiness of melons respectively dropped sharply to their minimum values,and the cell membrane had the highest permeability. The vibration treatment significantly reduced the quality of muskmelons,which could cause fruit cell damage,and had no benefit to the melon＇s preservation.In the actual transportation process,we should better use the buffer packaging try to avoid vibration.

关 键 词：质地多面分析 蜜瓜 运输 振动 贮藏品质 

分 类 号：TS205.9[轻工技术与工程—食品科学]