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Protein Digestion01:02

Protein Digestion

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Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of polypeptide chains. After polypeptide chains are broken into individual amino acids by a series of digestive enzymes, the amino acids are transported to the liver via the bloodstream to produce energy.
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Protein Absorption01:12

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Proteins in the gastrointestinal tract typically come from food, but they can also originate from disintegrated cells or secreted enzymes. In the stomach, the enzyme pepsin breaks down these proteins into polypeptides. The fragments then move into the duodenum as a semi-fluid mass called chyme. Pancreatic proteases, such as trypsin and chymotrypsin, and intestinal brush border enzymes like carboxypeptidases further dismantle the polypeptides into tripeptides, dipeptides, and free amino acids.
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Body:Bioavailability is a critical pharmacological concept that measures the extent and rate at which an active drug ingredient or therapeutic moiety enters the systemic circulation, remaining unchanged. It's a pivotal factor in determining a drug's efficacy and safety.The Biopharmaceutics Classification System (BCS) plays an essential role in drug development by categorizing drugs into four classes based on their solubility and permeability. This classification aids in understanding drug...
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Triglycerides are a form of long-term energy storage molecules. They are made of glycerol and three fatty acids. To obtain energy from fat, triglycerides must first be broken down by hydrolysis into their two principal components, fatty acids and glycerol. This process, called lipolysis, takes place in the cytoplasm. The resulting fatty acids are oxidized by β-oxidation into acetyl-CoA, which is used by the Krebs cycle. The glycerol that is released from triglycerides after lipolysis...
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乳清在功能果中的增值:一种营养和技术方法

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乳清是一种乳制品副产品,可以用来制造含有添加果的营养果. 这些功能性果提供增强的蛋白质,矿物质和稳定的微观结构,呈现可持续的食品创新.

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科学领域:

  • 食品科学 食品科学 食品科学
  • 乳制品技术 乳制品技术
  • 营养科学 营养科学

背景情况:

  • 乳清是乳制品行业的一个重要副产品.
  • 乳清的价值化可以导致可持续和增值的食品产品.
  • 果富含抗氧化剂,并提供潜在的健康益处.

研究的目的:

  • 评估乳清的营养,功能和技术潜力.
  • 通过加入乳清和果 (蓝,草,树) 来开发健康的果.
  • 评估乳清和果添加对果质量和稳定性的影响.

主要方法:

  • 分析蛋白质含量,氨基酸,矿物质 (宏观和微观元素).
  • 评估抗氧化能力,总聚醇和富里埃变换红外光谱法 (FTIR).
  • 评估凝的储存稳定性,纹理特性,颜色和微观结构.

主要成果:

  • 乳清和果添加增加了蛋白质含量和矿物质含量 (K,Ca,Mg,Zn,Fe).
  • 果在4°C时表现出良好的储存稳定性;环境储存加速了pH值的下降和酸度的增加.
  • 混合乳清和果添加导致了有利的微观结构,表明了协同效益.

结论:

  • 乳清是开发功能果的多功能和可持续资源.
  • 加入乳清和果可以增强果的营养和感官价值.
  • 这种方法在粮食生产中提供了经济和生态的优势.