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博客主题:明胶来自什么动物?
明胶来自什么动物?
明胶是一种广泛用于各种食品、药品甚至摄影的物质。它是一种多功能成分,可为所用产品提供质地、稳定性和许多其他特性。但您有没有想过动物明胶来自什么?在本文中,我们将探索明胶的起源并揭示其迷人的创造过程。
![alt-653](/wp-content/uploads/2024/06/665d44dc3dae9-06-3.png)
明胶源自动物结缔组织中的胶原蛋白。胶原蛋白是一种在动物体内含量丰富的蛋白质,特别是在皮肤、骨骼、肌腱和软骨中。它负责维持这些组织的结构完整性和弹性。
为了获得明胶,动物的结缔组织经历了一个称为水解的复杂过程。这个过程涉及将胶原蛋白分解成更小、更易于管理的分子。首先清洁结缔组织,然后进行热、酸和/或酶的组合处理。这些试剂共同作用,将胶原蛋白分解成明胶。
最常见的明胶来源是从猪和牛中获得。猪皮和牛骨是用于生产明胶的胶原蛋白的主要来源。然而,明胶也可以来自其他动物,例如鱼、鸡,甚至某些昆虫。每种明胶来源都有其独特的特性和特性,使其适合特定的应用。
项目 | 单位 | 指标要求 | 测试结果 | |
感官要求 | / | 淡黄色/黄色 | 浅黄色 | |
/ | 固态 | 固体颗粒 | ||
/ | 无难闻气味 | 无难闻气味 | ||
博士 | / | 3.5-7.5 | 5.8 | |
粘度 | Map·s | 2≥ | 3.8 | |
Moisture content | % | ≤14.0 | 8.9 | |
Ash content | % | ≤2.0 | 0.8 | |
Condensation strength | Bloom g | ≥50 | 182 | |
Light transmittanceratio | % | Wavelength450nm≥30Wavelength620nm≥50 | Wavelength450nm:73Wavelength620nm:91 | |
Once the Collagen has been broken Down into gelatin, it is further processed to remove impurities and obtain a pure form of the substance. This involves filtering the gelatin solution, clarifying it, and then evaporating the water content to obtain a concentrated gelatin product. The final product is usually in the form of a powder or sheets.
Gelatin finds its way into a wide range of products due to its unique properties. It is commonly used as a gelling agent in food products such as Desserts, candies, and gelatin-based Snacks. Its ability to form a gel-like structure when mixed with water makes it an ideal ingredient for creating a variety of textures and shapes.
Furthermore, gelatin is also used in the field of photography. It is employed as a binding agent in the preparation of photographic emulsions and as a substrate for the coating of photographic Films and papers. Its ability to absorb and hold onto moisture makes