猪血:多功能蛋白质化物的生态有效来源
Sandra Borges1, Joana Odila1, Glenise Voss1
1CBQF-Centro de Biotecnologia e Química Fina-Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal.
Foods (Basel, Switzerland)
|January 28, 2026
概括
猪血蛋白被水解以产生生物活性. 这些水解剂显示出抗氧化和ACE抑制性质,具有功能性食品的潜力.
科学领域:
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
- 蛋白质化学 蛋白质化学
背景情况:
- 像猪血这样的屠宰场副产品是丰富的蛋白质来源.
- 猪血蛋白的价值化可以导致可持续的,高价值的成分.
研究的目的:
- 使用酸盐进行猪全血 (WB) 和红细胞分量 (CF) 的水解.
- 描述由此产生的水解盐 (WBH和CFH) 的生物活性和技术功能性质.
- 在模拟胃肠道消化后评估这些特性的稳定性.
主要方法:
- 用酸酶对WB和CF的酶性水解.
- 优化酶与基质的比率和化时间,以达到最大水解度 (DH).
- 对抗氧化活性 (ABTS,ORAC),ACE抑制活性和技术功能性质 (乳化,油吸收) 的测试.
主要成果:
- 在优化条件下,WBH实现了比CFH (30.8%) 高的DH (59.5%).
- CFH表现出优越的ABTS激素清除和ACE抑制活动.
- 这两种水解剂都显示出中度的乳化能力,CFH显示出更高的油吸收能力.
结论:
- 猪血水解剂具有显著的生物活性特性,包括抗氧化剂和 ACE 抑制作用.
- 水解剂具有适用于食品应用的功能性质.
- 消化后生物活性性质的稳定性支持它们作为多功能食品成分的潜力.
相关概念视频
Proteins: Dietary Sources and Requirements
1.7K
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
1.7K
Protein Buffers in Blood Plasma and Cells
3.8K
The human body utilizes protein buffer systems to maintain a stable pH. These systems capitalize on the dual role of amino acids, which can act as acids or bases by accepting or releasing hydrogen ions in response to pH changes. Protein buffer systems are particularly significant in the extracellular fluid (ECF) and intracellular fluid (ICF) of active cells, where structural and functional proteins provide substantial buffering capacity.
Certain amino acids can exist in a zwitterion state at a...
Certain amino acids can exist in a zwitterion state at a...
3.8K
Sinusoidal Sources
1.2K
Direct current (DC) refers to an electric current that flows in a single direction, maintaining a constant polarity. This is in contrast to alternating current (AC), which periodically changes its direction and magnitude. AC forms the backbone of modern electricity transmission and distribution systems due to its efficient long-distance transmission capabilities.
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
In homes, the power supplies use sinusoidal sources to provide electricity. These sources generate a voltage that varies sinusoidally...
1.2K
AC Sources
4.1K
Direct current is a flow of electric charge in only one direction and has a steady state of constant voltage in the circuit. Rectifiers, batteries, commutator-equipped generators, and fuel cells are some examples of devices that generate direct current. Nowadays, most applications use a time-varying voltage source. Alternating current is a flow of electric charge that periodically reverses direction. An alternating current is produced by an alternating emf that is generated in a power plant. If...
4.1K
Sources of Law
1.9K
Laws form the essential rules set by governing authorities to shape and control societal behavior. In nursing, laws guide actions, safeguard patient rights, define nurses' scope of practice, and maintain professional standards. Understanding the legal framework governing nursing involves recognizing four primary sources of law: constitutional, statutory, administrative (regulatory), and common law.
Constitutional law is foundational, deriving from federal and state constitutions, and...
Constitutional law is foundational, deriving from federal and state constitutions, and...
1.9K
Source Transformation
11.4K
Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
It is essential to note that when...
It is essential to note that when...
11.4K


