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相关概念视频

Bioplastics01:27

Bioplastics

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...
Microbial Bioremediation of Plastics01:28

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Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...

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在真空包装鱼中甲酸盐迁移潜力.

Gonca Alak1, Mine Köktürk2, Muhammed Atamanalp3

  • 1Department of Seafood Processing Technology, Faculty of Fisheries, Ataturk University, Erzurum, TR-25030, Turkey. galak@atauni.edu.tr.

Environmental science and pollution research international
|August 6, 2024
PubMed
概括

酸盐 (PAE) 可以从真空包装中迁移到鱼类中. 储存时间和鱼类种类影响哪些酸盐,如DEHP和DBP,成为主导的,带来潜在的风险.

关键词:
鱼是一种鱼.Pelagic 鱼类 鱼类 鱼类甲酸 Ester 是一种甲酸.海鱼是什么意思 海鱼是什么意思在真空中包装.μ-拉曼拉曼是什么意思

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科学领域:

  • 食品安全和毒理学
  • 聚合物科学 聚合物科学
  • 分析化学是一种分析化学.

背景情况:

  • 甲酸 (PAE) 是一个有毒的担忧,因为从包装到食品的迁移.
  • 了解海鲜中的PAE迁移对于消费者安全至关重要.
  • 真空包装是保存海底鱼类的一种常见方法.

研究的目的:

  • 为了监测在真空包装中储存的海底鱼 (海和鱼) 中的酸盐迁移.
  • 调查储存时间对甲酸盐迁移的影响.
  • 识别包装材料中的聚合物类型及其变化.

主要方法:

  • 海和鱼被真空包装并存储90天.
  • 鱼类肌肉和包装中的酸盐含量使用GC/MS进行了分析.
  • 使用μ-拉曼和FTIR光谱分析了包装材料.

主要成果:

  • 在鱼肉中没有检测到微塑料.
  • 尼龙在原始包装材料中被发现.
  • 包装的聚合物成分随着储存时间和温度的变化而改变.
  • 随着时间的推移,占主导地位的酸盐从DPENP/DEHP转变为DBP (鱼) 和DPENP (海).

结论:

  • 酸盐迁移到海底鱼类中发生在真空储存期间.
  • 迁移水平和占主导地位的甲酸盐类型因鱼类和储存时间而异.
  • 包装材料的组成受到储存的影响,可能会影响迁移.