相关实验视频
Updated: Jan 31, 2026

06:36
3D Printed Porous Cellulose Nanocomposite Hydrogel Scaffolds
Published on: April 24, 2019
10.2K
通过食品3D打印制造的pectin-Carrageenan水凝的纹理特性
S V Popov1, F V Vityazev1, N M Paderin1
1Institute of Physiology of Federal Research Centre "Komi Science Centre of the Urals Branch of the Russian Academy of Sciences", Syktyvkar, Russia.
Doklady. Biochemistry and biophysics
|January 30, 2026
概括
使用pectin和kappa-carrageenan3D打印食用凝表明,较高的kappa-carrageenan含量可以提高打印能力和质地. 高甲基丁凝较柔软,更适合吞和品味,从而可以实现个性化的营养应用.
科学领域:
- 食品科学 食品科学 食品科学
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
背景情况:
- 水凝是多功能生物材料,在食品和医药领域都有应用.
- pectin和kappa-carrageenan是食品配方中广泛使用的多糖化合物.
- 3D打印可以精确控制水凝结构和纹理.
研究的目的:
- 调查不同pectin-kappa-carrageenan比率对可食用水凝的3D打印能力和纹理特性的影响.
- 评估点丁甲氧基含量对水凝特性和感官感知的影响.
- 探索这些水凝对个性化营养的潜力.
主要方法:
- 制造具有不同多糖合物比率的pectin-kappa-carrageenan水凝墨水.
- 通过3D打印挤出来评估油墨的可打印性.
- 风病学特征包括温度扫描试验.
- 评估水凝的纹理特性 (凝聚性,粘合性,柔软性).
- 印刷水凝的感官评估,以轻松吞,口味和质地.
主要成果:
- 含有50-60%的卡帕-卡拉基南的墨水表现出最佳的打印能力和结构保真性.
- 增加的卡帕-卡拉基安南含量导致更高的粘度和模块,影响挤出.
- 高甲基 (HM) pectin水凝比低甲基 (LM) pectin水凝更柔软,凝聚力较差,粘性更强.
- 感官测试表明,HM素水凝是首选的,以方便吞,口感和减少的努力.
结论:
- 卡帕-卡拉基显著提高了基于点的油墨的打印能力和网络强度.
- pectin类型 (HM与LM) 严重影响水凝质地和感官属性.
- 3D打印的pectin-kappa-carrageenan水凝为定制的食品和个性化的营养提供了可调节的特性.
相关概念视频
Shape and Texture of Coarse Aggregate
682
Aggregate shape is classified based on the relative sharpness or roundness of the edges and corners. This classification includes categories like rounded, angular, elongated, and flaky, each with specific characteristics. Rounded aggregates, fully shaped by attrition, are typical of river or seashore gravel, while angular aggregates, such as crushed rock, have well-defined edges. Aggregates that are elongated and flaky are less desirable, as they can reduce the workability and strength of...
682
Physical and Chemical Properties of Matter
166.3K
The characteristics that enable us to distinguish one substance from another are called properties.
166.3K
Regulation of Food Intake
2.9K
Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
2.9K
Microorganisms in Agriculture and Food industry
1.5K
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
1.5K
Properties of Transition Metals
29.8K
Transition metals are defined as those elements that have partially filled d orbitals. As shown in Figure 1, the d-block elements in groups 3–12 are transition elements. The f-block elements, also called inner transition metals (the lanthanides and actinides), also meet this criterion because the d orbital is partially occupied before the f orbitals.
29.8K
General Properties of Solutions
35.8K
Many common substances around us exist as a solution, such as ocean water, air, and gasoline. All solutions are mixtures of substances that are composed of varying amounts of two or more types of atoms or molecules. A mixture with a non-uniform composition is a heterogeneous mixture, whereas a mixture with a uniform composition is a homogeneous mixture. The components that make the homogeneous mixture are evenly spread out and thoroughly mixed.
35.8K

