相关实验视频
Updated: Sep 11, 2025

05:17
Preparation of High-Quality Fermented Fish Product
Published on: August 23, 2019
10.5K
探索鱼的质量变化:从风味特征和微观结构的角度来看
Gaomin Han1, Qiqi Li1, Hui Hong2
1College of Food Science and Technology, Huazhong Agricultural University/ National R & D Branch Center for Conventional Freshwater Fish Processing (Wuhan)/ Engineering Research Center of Green development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan, Hubei Province 430070, PR China.
Food research international (Ottawa, Ont.)
|August 12, 2025
概括
加热鱼可以显著减少不良的鱼味和挥发性化合物. 这一过程还增强了可取的脂肪和香味,改善了工业用途的整体风味和质感.
科学领域:
- 食品科学 食品科学 食品科学
- 感官分析 感官分析
- 生物化学 生物化学
背景情况:
- 淡水鱼具有高度营养,但由于强烈的鱼味,在工业上未得到充分利用.
- 开发减轻鱼味的方法对于扩大鱼产品市场至关重要.
研究的目的:
- 评估不同加热条件对鱼鱼的鱼味和纹理的影响.
- 为了确定在加热过程中引起风味变化的关键挥发性化合物.
主要方法:
- 鱼母经历了不同的加热温度和持续时间.
- 气色谱-质谱法 (GC-MS) 用于分析挥发性化合物.
- 进行了纹理分析和微观结构观察.
主要成果:
- 升高的加热温度和时间减少了鱼类 (nononanal, (E,E) -2,4-nonadienal) 和草/水果 (hexanal,E-2-octenal) 化合物.
- 加热产生了可取的脂肪和芳香化合物 (例如2-nonen-1-ol,eugenol) 和改变了不和脂肪酸氧化.
- 气味活性值 (OAV) 分析确定了11个关键的气味成分.
- 加热改善了鱼的质地,颜色,硬度和性,同时稳定了形态,创造了更光滑的微观结构.
结论:
- 加热是一种有效的方法,可以通过减少鱼味和增强理想的香味来改善鱼的风味.
- 热处理对鱼的纹理和微观结构产生积极影响,使其适合工业加工和利用.
相关概念视频
Protein Modifications in the RER
5.6K
Modification of secretory and transmembrane proteins entering the rough ER begins in the ER lumen. These modifications aid in protein folding and stabilize the acquired tertiary structure. Protein modifications in the rough ER co-occur at different stages of protein folding.
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal...
Broadly, these modifications can be categorized into four main categories — glycosylation, formation of disulfide bonds, assembly of protein subunits, and specific proteolytic cleavages like removal of signal...
5.6K
Seasoning of Wood
170
Seasoning of wood is a crucial process aimed at reducing and stabilizing the moisture content within the wood to prevent future shrinkage, structural damage, or aesthetic issues once the wood is used in construction. Wood naturally swells when it absorbs moisture and contracts as it dries.
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
Achieving equilibrium moisture content is the goal of seasoning; this is the point where the wood's moisture content stabilizes to align with the moisture levels of the surrounding environment. Proper...
170
Taste Buds and Receptors
2.8K
Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
2.8K
Quality of Water
189
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
189

