食品与发酵工业 >

2023 , Vol. 49 >Issue 22: 231 - 237

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.033060

研究报告

聚对苯二甲酸-己二酸丁二醇酯打孔膜对双孢蘑菇的保鲜效果研究

  • 李晓楠 ,
  • 于泽东 ,
  • 邹丽娜 ,
  • 周小婉 ,
  • 吴习宇 ,
  • 任丹 ,
  • 徐丹
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  • 1(西南大学 食品科学学院,重庆,400715)
    2(西南大学,食品贮藏与物流研究中心,重庆,400715)
第一作者：硕士研究生(徐丹教授为通信作者,E-mail:xud@swu.edu.cn)

收稿日期: 2022-07-21

  修回日期: 2022-09-02

  网络出版日期: 2023-12-25

基金资助

川菜发展研究中心科研项目(CC21Z27)

收起

Effect of poly (butylene adipate-co-terephthalate) perforated films on preservation of Agaricus bisporus

  • LI Xiaonan ,
  • YU Zedong ,
  • ZOU Lina ,
  • ZHOU Xiaowan ,
  • WU Xiyu ,
  • REN Dan ,
  • XU Dan
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  • 1(College of Food Science, Southwest University, Chongqing 400715, China)
    2(Food Storage and Logistics Research Center, Southwest University, Chongqing 400715, China)

Received date: 2022-07-21

  Revised date: 2022-09-02

  Online published: 2023-12-25

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摘要

为探究可生物降解高分子材料在果蔬保鲜包装中的应用效果,该研究采用可完全生物降解的聚对苯二甲酸-己二酸丁二醇酯[poly(butylene adipate-co-terephthalate),PBAT]为原料制备薄膜,比较了其与聚乙烯(polyethylene,PE)膜的透光率、拉伸性能和气体渗透性等性能,然后将PBAT和PE膜打孔后用于包装双孢蘑菇,对其保鲜效果进行了评价和比较。结果表明,与PE膜相比,PBAT膜具有更高的断裂伸长率、水接触角和水蒸气透过率,以及较低的拉伸强度和氧气透过率。PBAT膜能够有效防止水蒸气在膜上的凝结,所包装的双孢蘑菇虽然与PE组相比具有较高的失重率,但保持了较高的感官品质。打孔数为6的PBAT膜能使包装内保持适宜的气体环境,使双孢蘑菇维持相对较高的白度、硬度和抗坏血酸含量,波动较小的总酚含量,因此感官和营养品质得到较好的保持。总之,可完全生物降解的PBAT膜的气体透过性可通过打孔方式来调节,使其适用于具有不同采后呼吸强度的果蔬,在果蔬采后保鲜中具有良好的应用潜力。

关键词： 打孔膜; 聚对苯二甲酸-己二酸丁二醇酯; 可生物降解; 双孢蘑菇; 保鲜

本文引用格式

李晓楠 , 于泽东 , 邹丽娜 , 周小婉 , 吴习宇 , 任丹 , 徐丹 . 聚对苯二甲酸-己二酸丁二醇酯打孔膜对双孢蘑菇的保鲜效果研究[J]. 食品与发酵工业, 2023 , 49(22) : 231 -237 . DOI: 10.13995/j.cnki.11-1802/ts.033060

Abstract

To explore the effect of biodegradable polymer materials in fruits and vegetables used as fresh-keeping packaging, poly (butylene adipate-co-terephthalate) (PBAT), which can be completely biodegradable, was used as the raw material to prepare film in this study. The light transmittance, tensile properties, and gas permeability of PBAT and polyethylene (PE) films were compared, and then PBAT and PE perforated films were used as the packaging of Agaricus bisporus and their preservation effects were evaluated and compared. Results showed that compared with PE films, PBAT films had higher elongation at break, water contact angle, and water vapor transmission rate, but presented lower tensile strength and oxygen transmission rate. PBAT films could effectively prevent the condensation of water vapor on the film. Therefore, although Agaricus bisporus packaged PBAT had a higher weight loss rate compared with that packaged by PE, it maintained a better sensory quality. The PBAT films with 6 pores could maintain a suitable gas environment in the package so that Agaricus bisporus could maintain relatively high whiteness, hardness, ascorbic acid content, and less fluctuated total phenol content, leading to better sensory and nutritional quality. In conclusion, the gas permeability of the completely biodegradable PBAT films can be adjusted by perforating, making it applicable for fruits and vegetables with different postharvest respiration intensities.Therefore, PBAT film has good application potential in the postharvest preservation of fruits and vegetables.

Key words： perforated films; poly (butylene adipate-co-terephthalate); biodegradable; Agaricus bisporus; preservation

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