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相关概念视频

Cellulose and Pectic Polysaccharides01:15

Cellulose and Pectic Polysaccharides

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 Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
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Lipopolysaccharides (LPS) are crucial components of the outer membrane of Gram-negative bacteria, serving both structural and functional roles. It contributes to membrane stability and protects bacteria from host immune responses. LPS is composed of three major regions—lipid A, a core oligosaccharide, and an O antigen. The biosynthesis and assembly of LPS involve a highly coordinated set of enzymatic reactions and transport mechanisms. Additionally, LPS is recognized as an endotoxin,...
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Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...
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来自Weissella confusa HYF86的外聚糖:结构,复合膜和草收获后的保存

Hangyu Huang1, Lin Wang1, Yaqing Lin1

  • 1College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China; Engineering Research Centre of Fujian-Taiwan Special Marine Food Processing and Nutrition, Ministry of Education, Fuzhou, Fujian 350002, China.

Food chemistry
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PubMed
概括
此摘要是机器生成的。

一种新型基托桑薄膜,其中包含来自Weissella confusa HYF86的外聚糖 (EPS86),可显著延长草的保质期. 这种创新的可食用薄膜可以减少腐烂并增强口味, 为果实保存提供了有前途的解决方案.

关键词:
外聚糖类这部电影草的保存方法威塞拉混 HYF86

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科学领域:

  • 食品科学
  • 生物技术
  • 材料科学

背景情况:

  • 草很容易腐烂, 限制了它们的商业可行性.
  • 开发有效的保存方法对于延长水果的保质期至关重要.

研究的目的:

  • 创建一种新型的基托桑薄膜,其中包含草保护的外聚糖 (EPS86).
  • 评估EPS86在储存期间对薄膜特性和草质量的影响.

主要方法:

  • 来自Weissella confusa HYF86的EPS86的表征
  • 使用或不使用EPS86制造基托桑薄膜
  • 对薄膜的机械性能和透性进行评估.
  • 在储存期间评估草的质量属性 (水损失,腐烂,质地,味道).

主要成果:

  • EPS86是一种异聚糖,促进了膜的形成,改善了延长和空气透性.
  • 装有EPS86的薄膜减少了草的水分流失和损坏16.67%.
  • 薄膜保持了草纹理和增强了风味释放,特别是增加了乙烯基六酸盐水平.

结论:

  • 添加EPS86可以提高酸膜的果实保存性能.
  • 这种膜有效地延长了草的保质期,同时保持了品质和味道.
  • 这项技术提供了一种可行的非破坏性方法来保存水果和蔬菜.