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Effect Component Composition on Thermophysical Properties of Protein Products 成分组成对蛋白质产品热物理性质的影响
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-5
I. Korotkiy, E. Korotkaya, L. Proskuryakova, Denis Efremov
Food additives and substitutes make it possible to model the sensory profile of foods and regulate their nutritional value. As a result, the range of food products grows while their cost goes down. Dairy protein and fat are inherent components of cheese production, which makes them vulnerable to counterfeiting. New food additives must be provided with various objective control methods to determine their actual composition. A thermophysical analysis of protein-fat dairy products, e.g., cheese, determines whether the actual component composition corresponds with the label. The method of two temperature-time intervals is a complex and express analysis that defines the thermophysical properties of cheese. It takes 30 min and processes the data automatically with an error of ≤ 1 %.
食品添加剂和替代品使食品的感官特征模型和营养价值调节成为可能。因此,食品的种类越来越多,成本却越来越低。乳制品蛋白质和脂肪是奶酪生产的固有成分,因此很容易被伪造。必须为新食品添加剂提供各种客观的控制方法,以确定其实际成分。对蛋白质-脂肪乳制品(如奶酪)进行热物理分析,可确定实际成分组成是否与标签相符。两段温度-时间间隔法是一种复杂而快捷的分析方法,可确定奶酪的热物理性质。只需 30 分钟,数据自动处理,误差小于 1%。
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引用次数: 0
Eye Formation in Cheese with Propionic Acid Fermentation 丙酸发酵奶酪中的 "眼 "的形成
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-4
Valentina Mordvinova, Grigorii Rogov, Tatiana Smirnova
Semi-hard cheeses with propionic acid bacteria have gained popularity in Russia: almost all major cheese plants produce this or that variety. However, semi-hard cheeses with propionic fermentation are notorious for certain defects that emerge during production. Irregular eye formation is one of the most common and visible defects that reduce product appeal for the end consumer. In an effort to reduce production cost and increase production volumes, cheese makers only aggravate improper eye formation. This article introduces the most frequent defects of propionic cheeses. For instance, butyric acid bacteria often appear as a result of production technology and cause surface cracks. Poor or irregular eye formation in the cheese matrix is another popular defect. Rindless cheese ripening leads to two more defects, which hardly ever occur during traditional rind cheese maturation. First, eyes may develop too close to the cheese surface. Second, vacuum packaging process may trigger ragged eye formation. A comprehensive understanding of factors that affect eye formation allows cheese makers and food scientists to concentrate their efforts on efficient methods to control the development of propionic acid bacteria in semi-hard cheeses. In-depth studies of eye formation, taste, and texture make it possible to avoid defects, reduce production cost, and make domestic products more competitive.
含丙酸菌的半硬质奶酪在俄罗斯很受欢迎:几乎所有主要奶酪厂都生产这种或那种品种。然而,丙酸发酵半硬质奶酪在生产过程中出现的某些缺陷是臭名昭著的。不规则的眼纹是最常见和最明显的缺陷之一,会降低产品对最终消费者的吸引力。为了降低生产成本和提高产量,奶酪生产商只会加剧不规则眼的形成。本文将介绍丙酸奶酪最常见的缺陷。例如,丁酸菌经常出现在生产工艺中,并导致表面裂缝。奶酪基质中眼孔形成不良或不规则是另一种常见缺陷。无皮奶酪的成熟还会导致两种缺陷,这在传统的外皮奶酪成熟过程中几乎不会出现。首先,眼孔的形成可能过于靠近奶酪表面。其次,真空包装过程可能会导致眼纹的形成。全面了解影响菌眼形成的因素后,奶酪制造商和食品科学家就能集中精力研究有效的方法,控制半硬质奶酪中丙酸菌的发展。对干酪眼形成、口感和质地的深入研究可以避免缺陷,降低生产成本,使国内产品更具竞争力。
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引用次数: 0
Rapeseed Oil in Cream Cheese Vegetable Spreads 奶油奶酪蔬菜涂抹酱中的菜籽油
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-8
Ekaterina Pirogova, Ekaterina Danilova
Dairy spreads are popular all over the world. However, the Russian market of dairy spreads should rely both on the modern concept of healthy nutrition and the domestic strategy for improving the quality of food products. The authors optimized the fatty component of cream cheese spreads by adding rapeseed oil. The article introduces its fatty acid composition and effect on the structural, mechanical, physical, chemical, and sensory indicators of the finished product. The indicial cream cheese vegetable spread had a fat mass fraction of 72.5 %; the share of rapeseed oil added to the fat phase was 10–40 %. The rapeseed oil had no negative impact on the sensory profile of the spread. However, as the proportion of rapeseed oil increased, the structural and mechanical properties deteriorated. The consistency became too soft, which made it difficult to cut the mass into bricks. If the share of rapeseed oil exceeded 10 %, the spread had to be packaged in plastic boxes. The article contains some recommendations on how to obtain the optimal consistency, structural properties, and consumer appeal of the new cream cheese vegetable spread.
乳制品涂抹酱在全世界都很受欢迎。然而,俄罗斯的涂抹乳制品市场既要依靠现代健康营养理念,也要依靠提高食品质量的国内战略。作者通过添加菜籽油优化了奶油奶酪涂抹酱的脂肪成分。文章介绍了其脂肪酸组成及其对成品结构、机械、物理、化学和感官指标的影响。指示性奶油奶酪植物涂抹酱的脂肪质量分数为 72.5%;在脂肪相中添加菜籽油的比例为 10-40%。菜籽油对涂抹酱的感官没有负面影响。然而,随着菜籽油比例的增加,其结构和机械性能都有所下降。稠度变得太软,很难将块状物切成砖块。如果菜籽油的比例超过 10%,涂抹酱就必须用塑料盒包装。文章就如何获得最佳稠度、结构特性以及新型奶油奶酪蔬菜涂抹酱对消费者的吸引力提出了一些建议。
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引用次数: 0
Cheese-Making Regions: From Local Cheese Varieties to Regional Brands 奶酪生产地区:从地方奶酪品种到地区品牌
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-2
N. Suray, A. Tatochenko, Anna Terekhova, Alexey Mikhalev, Galina Korneva
The article describes the relevant issues of cheese production and the current cheese consumption patterns in the Russian Federation. The authors identified the cheese varieties preferred by the global consumer and analyzed their demand on the domestic market. Under the current economic sanctions, Russia can satisfy its needs for foreign cheeses by importing them from Belarus. However, some Russian regions produce analogues of popular foreign cheeses. The article introduces domestic cheese-making leaders with their general and per capita production, assortment policies, etc. The authors identified local cheese brands with excellent prospects for shaping the regional image and promoting local food products. For instance, the Altai Region and the Republic of Adygea produce high-quality cheeses with good domestic and global competitive potential.
文章介绍了俄罗斯联邦奶酪生产的相关问题和当前的奶酪消费模式。作者确定了全球消费者偏爱的奶酪品种,并分析了其在国内市场的需求。在当前的经济制裁下,俄罗斯可以通过从白俄罗斯进口外国奶酪来满足其需求。不过,俄罗斯的一些地区也生产国外流行奶酪的同类产品。文章介绍了国内奶酪生产的领导者,以及他们的总产量和人均产量、品种政策等。作者发现,当地奶酪品牌在塑造地区形象和推广当地食品方面具有良好的前景。例如,阿尔泰地区和阿迪加共和国生产的高品质奶酪具有良好的国内和全球竞争潜力。
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引用次数: 0
Oil Pastes as a Modern Fatty Healthy Food Product 油膏作为一种现代健康脂肪食品
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-1
E. Topnikova, Yuliya Nikitina
The article provides an analysis of the composition, properties and production technology of dairy fat products with a mass fraction of fat from 39 to 40 % inclusive, called abroad low-fat milk spreads or semi-fat butter, and classified according to the classification accepted in the Russian Federation as oil pastes. The beneficial properties of this group of products can make them attractive to consumers. The manufacturer is given the opportunity to diversify the range of products that more fully meet the requirements of a healthy diet based on the following characteristics: moderate calorie content, reduced fat content, increased content of proteins, carbohydrates and other non-fat components. The product has good physicochemical, rheological and organoleptic properties.
文章分析了乳脂产品的成分、特性和生产技术,这些产品的脂肪质量分数在 39% 至 40% 之间,国外称其为低脂奶涂抹物或半脂黄油,并根据俄罗斯联邦认可的分类法归类为油膏。这类产品的有益特性对消费者很有吸引力。生产商有机会根据以下特点丰富产品种类,使其更充分地满足健康饮食的要求:热量适中,脂肪含量减少,蛋白质、碳水化合物和其他非脂肪成分含量增加。产品具有良好的理化、流变和感官特性。
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引用次数: 0
Integral Approach to Whey Classification 乳清分类的综合方法
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-7
Alexandr Kruchinin, E. Melnikova, I. Barkovskaya
In 2014-2020, the Russian cheese and cottage-cheese market turned to import substitution, which boosted the volume of whey production. However, whey processing for food purposes remains as low as 20–30%. Despite the constant state control and penalties, most dairy plants prefer to dump whey in the sewage system, where it mixes with wastewater, which is environmentally and economically irrational. The factors that prevent the dairy industry from transiting to complete cycles of whey deep processing include the lack of unified terminology and standardization of secondary dairy raw materials. Mechanisms of dairy protein coagulation are different, which leads to numerous standardization issues. Other technological factors also contribute to the differences in criteria approaches. This article introduces a new whey classification system based on an integrative approach that takes into account the main technological aspects of whey production. It relies on scientifically substantiated mechanisms of protein coagulation, i.e., rennet, acid, acid-cheese, thermoacid, and thermo-calcium, as well as on the principle of microfiltration of dairy raw materials in obtaining micellar casein. As a secondary factor, the research involved curd, casein, and coprecipitate whey. The resulting integrative approach to whey classification will make it possible to perform whey processing depending on whey properties, as well as to create new models of complete deep processing cycle.
2014-2020 年,俄罗斯奶酪和松软干酪市场转向进口替代,从而提高了乳清产量。然而,用于食品目的的乳清加工率仍然低至 20-30%。尽管国家不断对乳清进行控制和处罚,但大多数乳品厂宁愿将乳清倒入下水道系统,与废水混合,这在环境和经济上都是不合理的。阻碍乳制品行业过渡到乳清深加工完整循环的因素包括缺乏统一的术语和乳制品二次原料的标准化。乳制品蛋白质凝固的机理不同,导致了许多标准化问题。其他技术因素也造成了标准方法的差异。本文介绍了一种基于综合方法的新乳清分类系统,该方法考虑到了乳清生产的主要技术方面。它依赖于经过科学证实的蛋白质凝固机制,即凝乳酶、酸、酸奶酪、热酸和热钙,以及乳制品原料微过滤以获得胶束酪蛋白的原理。作为次要因素,研究涉及凝乳、酪蛋白和共沉淀乳清。由此产生的乳清分类综合方法将有可能根据乳清的特性进行乳清加工,并创建完整深加工循环的新模型。
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引用次数: 0
The main technological properties of rennet substitutes 凝乳酶替代物的主要技术特性
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-3
Anastasiya Grishkova, Aleksandr Belov, A. Prosekov, Anna Mironova
The quality of the finished cheese depends on the process of obtaining a milk clot under the action of a milk-converting enzyme. Most types of cheeses can be produced using the full range of dairy coagulants available on the market. However, without taking into account their technological features, enterprises save pennies on the cost of enzymes and lose rubles on the quality of products. The main technological characteristics of rennet enzyme substitutes (proteolytic activity, sensitivity to Ca2+ ions, pH, temperature stability), important for regulating the coagulation process during cheese production, are investigated. Practical recommendations on the use of milk-clotting enzyme preparations are given.
奶酪成品的质量取决于在牛奶转化酶作用下获得牛奶凝块的过程。大多数类型的奶酪都可以使用市场上的各种乳凝固剂来生产。然而,如果不考虑它们的技术特点,企业在酶的成本上就会节省几分钱,而在产品质量上就会损失几卢布。本文研究了凝乳酶替代物的主要技术特征(蛋白水解活性、对 Ca2+ 离子的敏感性、pH 值、温度稳定性),这些特征对调节奶酪生产过程中的凝固过程非常重要。此外,还给出了使用凝乳酶制剂的实用建议。
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引用次数: 0
Bacterial Surface-Ripened Cheeses. Specific features of production technology 细菌表面强化奶酪。生产技术的具体特点
Pub Date : 2024-03-20 DOI: 10.21603/2073-4018-2024-1-6
Evgeniy Zolotarev, Grigorii Rogov
As the Russian dairy industry keeps increasing the domestic cheese production and product range, the popularity of cheeses with surfaceripened rind continues to grow. However, this technology is very different from that of semi-hard cheeses, which Russian consumers are more accustomed to. To obtain a surface-ripened rind, cheese producers have to control the bacterial consortium of surface microflora at every production stage. As a result, they need special approach not only to curd production but also to the entire process of cheese maturation.
随着俄罗斯乳制品工业不断增加国内奶酪产量和产品种类,带表面脆皮的奶酪越来越受欢迎。然而,这种技术与俄罗斯消费者更习惯的半硬质奶酪的技术有很大不同。为了获得表面熟化的外皮,奶酪生产商必须在每个生产阶段控制表面微生物菌群。因此,他们不仅需要对凝乳生产,还需要对奶酪成熟的整个过程采取特殊的方法。
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引用次数: 0
Properties of Stock Cultures of Lactic Acid Bacteria during Long-Term Storage 乳酸菌库存培养物在长期储存过程中的特性
Pub Date : 2023-12-06 DOI: 10.21603/2073-4018-2023-4-13
Irina Kucherenko, Elena Masegnaya, Anna Duganova
The study featured the viability of lactic acid bacteria during long-term storage at 2-4 C. The stock cultures were preserved by vacuum drying with no freezing or lyophilization. In general, the lactococci demonstrated a high survival rate after 3-54 years of storage: the residual viable cell count was 0.98-43 million CFU per ampoule. However, 8.3 % out of 3,552 lactococcal strains demonstrated a significant decrease in acid-inducing activity. Thirty strains, which had been used to produce bacterial starters for the past 25 year, lost their viability. Only 12.9 % of the lactobacilli that had been sublimated 62 years ago could not be revived.
这项研究的重点是乳酸菌在 2-4 C 温度下长期储存期间的存活率。储存培养物是通过真空干燥保存的,没有经过冷冻或冻干。一般来说,经过 3-54 年的储存,乳酸菌的存活率很高:每安瓿中的残余存活细胞数为 0.98-43 百万 CFU。不过,在 3 552 株乳酸菌中,有 8.3% 的菌株的酸诱导活性显著下降。过去 25 年来一直用于生产细菌发酵剂的 30 株菌株失去了活力。只有 12.9% 62 年前升华过的乳酸菌无法恢复活力。
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引用次数: 0
The main technological properties of rennet enzyme preparations 凝乳酶制剂的主要技术特性
Pub Date : 2023-12-06 DOI: 10.21603/2073-4018-2023-4-9
Anastasiya Grishkova, Alexander Prosekov, Anatoliy P Koval
The quality of the finished cheese is determined by all stages of its production, but the basis of cheese making is the production of a milk clot under the action of a milk-converting enzyme. The duration of coagulation and the structural and mechanical properties of the cheese clot are critical indicators that affect the yield of cheese, consistency, pattern, taste. In practice, it is necessary to take into account that the coagulating ability of the enzyme may vary depending on the properties of the milk mixture prepared for coagulation (protein content, mineral salts, acidity, temperature). The main technological characteristics of rennet enzyme preparations (proteolytic activity, qualitative composition, sensitivity to Caions, pH, thermal stability), important for the regulation of the coagulation process, have been studied. Practical recommendations on the use of milk-clotting enzyme preparations are given.
奶酪成品的质量由其生产的各个阶段决定,但奶酪制作的基础是在牛奶转化酶的作用下产生牛奶凝块。凝结时间的长短以及奶酪凝块的结构和机械性能是影响奶酪产量、稠度、花纹和口感的关键指标。在实际操作中,有必要考虑到酶的凝固能力会因准备凝固的牛奶混合物的特性(蛋白质含量、矿物盐、酸度、温度)而不同。对凝乳酶制剂的主要技术特性(蛋白水解活性、质量组成、对 Caions 的敏感性、pH 值、热稳定性)进行了研究,这些特性对调节凝固过程非常重要。对凝乳酶制剂的使用提出了实用建议。
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引用次数: 0
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Cheese- and buttermaking
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