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Effect of Thermal Treatment and Pasteurization on Milk Powder Quality 热处理和巴氏杀菌对奶粉质量的影响
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2506
Mohammed Ibrahim Alkadour, N. Pryanichnikova, E. Yurova, A. Petrov
Milk powder is a commercial product of mass consumption. Its popularity means a variety of quality and production requirements. New methods of skimmed milk powder production are strategically important for the food industry in Russia and worldwide. Russia is currently experiencing a shortage of low-heat milk powder import. The research featured the effect of thermal treatment and pasteurization mode on the protein profile and microbiological parameters of skimmed milk powder. The research objective was to establish the thermal variables for low-heat milk powder. The study involved raw milk, skimmed milk produced under different heat treatment conditions, and skimmed milk powder obtained from this milk. The authors used standard analytical methods to define the protein profile, as well as the microbiological and physicochemical parameters. A set of experiments made it possible to classify the heat treatment of skimmed milk powder produced under various milk pasteurization modes, as well as to establish its biochemical and microbiological parameters. The optimal mode for low-heat milk powder was a combination of thermal treatment (60 ± 2°C for 10 s followed by cooling to 10°C for 10 h) and low-temperature pasteurization (72 ± 2°C for 15 s). The powder obtained met the Technical Regulations of Customs Union TR CU 033/2013 and State Standard 33629-2015. A lower thermal load maintains the microbiological safety of milk powder while preserving its quality. In this study, the optimal thermal treatment and pasteurization mode yielded milk powder of low-heat category, thus preserving the native protein and microbiological safety. As a result, the low-heat milk powder acquired some high-quality functional and consumer properties.
奶粉是一种大众消费品。它的流行意味着对质量和生产要求的多样性。脱脂奶粉生产的新方法对俄罗斯乃至全球的食品工业都具有重要的战略意义。俄罗斯目前正面临低热奶粉进口短缺的问题。这项研究的重点是热处理和巴氏杀菌模式对脱脂奶粉蛋白质特征和微生物参数的影响。研究目标是确定低热奶粉的热变量。研究涉及原料奶、在不同热处理条件下生产的脱脂奶,以及从这些牛奶中提取的脱脂奶粉。作者使用标准分析方法确定了蛋白质概况以及微生物和理化参数。通过一系列实验,对各种牛奶巴氏杀菌模式下生产的脱脂奶粉的热处理进行了分类,并确定了其生化和微生物参数。低热奶粉的最佳模式是热处理(60 ± 2°C 10 秒,然后冷却至 10°C 10 小时)和低温巴氏杀菌(72 ± 2°C 15 秒)的组合。获得的粉末符合海关联盟 TR CU 033/2013 技术规范和国家标准 33629-2015。较低的热负荷既能保持奶粉的微生物安全性,又能保证其质量。在这项研究中,最佳热处理和巴氏杀菌模式产生了低热量奶粉,从而保护了原生蛋白质和微生物安全。因此,低热奶粉获得了一些高质量的功能和消费特性。
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引用次数: 0
Microbial Biofortification of Grain Crops: Current State and Prospects 粮食作物的微生物生物强化:现状与前景
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2500
D. Kolpakova, Y.R Serazetdinova, N. Fotina, A. Zaushintsena, L. Asyakina, A. Loseva
Hidden hunger is a significant social issue in numerous countries worldwide, causing the development of nutrition-related diseases among populations annually. Biofortification offers a sustainable solution as it combines methods of cross-breeding, genetic engineering, agriculture, and microbiology. The authors reviewed international studies in the field of microbial biofortification in order to assess the microbial potential to enh ance the essential element content in grain crops. The review featured relevant scientific articles published by foreign experts in Scopus, ScienceDirect, and Google Scholar in 1984–2024. The keywords included biofortification, wheat, rice, oats, growth stimulation, antagonism, and phytopathogen. The sources were processed in Zotero and VOSviewer. Nitrogen fixation and nutrient solubilization are the main mechanisms of microbial biofortification. Solubilization occurs as a synthesis of organic and inorganic acids, protons, siderophores, extracellular enzymes, and other secondary metabolites. Microorganisms can improve the expression of plant genes in terms of absorption and nutrient accumulation. They also affect root systems, facilitating the extraction of nutrients from the soil. The authors summarized laboratory and field studies on microbial biofortification of rice, wheat, and barley with iron, selenium, zinc, copper, manganese, nitrogen, phosphorus, and potassium. Biofortified growth-promoting microorganisms are a sustainable, reliable, and cost-effective approach to food security and hidden hunger issues. The review offers relevant information that can be used to develop new microbial preparations for the domestic agriculture.
隐性饥饿是世界上许多国家面临的一个重大社会问题,每年都会引发与营养有关的疾病。生物强化提供了一种可持续的解决方案,因为它结合了杂交育种、基因工程、农业和微生物学等方法。作者回顾了微生物生物强化领域的国际研究,以评估微生物提高粮食作物必需元素含量的潜力。该综述收录了国外专家于 1984-2024 年间在 Scopus、ScienceDirect 和 Google Scholar 上发表的相关科学文章。关键词包括生物强化、小麦、水稻、燕麦、生长刺激、拮抗作用和植物病原体。Zotero 和 VOSviewer 对这些资料进行了处理。固氮和营养增溶是微生物生物强化的主要机制。溶解是有机酸和无机酸、质子、苷元、胞外酶和其他次生代谢产物的合成过程。微生物可以改善植物基因在吸收和养分积累方面的表达。它们还能影响根系,促进从土壤中提取养分。作者总结了对水稻、小麦和大麦进行铁、硒、锌、铜、锰、氮、磷和钾微生物生物强化的实验室和田间研究。生物强化促进生长的微生物是解决粮食安全和隐性饥饿问题的一种可持续、可靠和具有成本效益的方法。本综述提供了相关信息,可用于为国内农业开发新的微生物制剂。
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引用次数: 0
Phytochemical and antioxidant composition of crude water extracts of Chlorella vulgaris and its effects on Saccharomyces cerevisiae growth in an ethanolic medium 小球藻粗水提取物的植物化学成分和抗氧化剂成分及其对乙醇培养基中酿酒酵母生长的影响
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2509
Queency N. Okechukwu
Chlorella vulgaris is rich in secondary metabolites that defend against environmental stress and aid in detoxification. In particular, bioactive compounds extracted from C. vulgaris may enhance the growth of microorganisms and detoxify them in an ethanolic medium. We aimed to effectively extract and characterize bioactive compounds found in C. vulgaris and further test them for their beneficial effects on the growth of Saccharomyces cerevisiae cultured in an ethanolic medium. Bioactive compounds in C. vulgaris were extracted using ultrasound and water as solvents. The extracts were analyzed for total phenol and flavonoid contents as part of their phytochemical composition. Their DPPH radical activity and Hydrogen peroxide scavenging activity were examined to determine their antioxidant properties and protective potential for S. cerevisiae in an ethanolic medium. Further, the extracts were added at 0.1, 0.5, 1, 2, 3, and 4% w/v concentrations into S. cerevisiae culture induced with 1% v/v ethanol for 23 days. The yeast cells’ density and viability were measured after 2, 5, 9, 13, 17, and 23 days. The extracts of C. vulgaris were rich in phenols and flavonoids, which are important bioactive compounds. Higher concentrations of the extracts increased total phenols up to 47.67 GAE mg/L and total flavonoids up to 218.67 QE mg/L. The extracts’ antioxidant composition showed high DPPH activity (70.12%) and H2O2 scavenging activity (4.97%). After 23 days, the samples treated with C. vulgaris extracts maintained a high viability of the yeast cells. In particular, the samples with 2, 4, 0.1, and 1% of the extract had a cell viability of 95.75, 94.04, 89.15, and 74%, respectively. The positive control (1% ethanol alone) and negative control (yeast alone) had 47.71 and 21.01% viability, respectively. This drastic reduction in viability was due to lysis of the yeast cells caused by ethanol. Ultrasound extraction with water as a solvent produced abundant beneficial secondary metabolites from C. vulgaris. The addition of C. vulgaris extract increased the viability and cell density of S. cerevisiae after 27 days, thereby protecting the yeast cells from the toxic effects of ethanol.
绿藻富含次生代谢物,可抵御环境压力并帮助解毒。特别是从绿藻中提取的生物活性化合物可以促进微生物的生长,并在乙醇培养基中解毒。我们的目标是有效地提取并鉴定粗壮酵母菌中的生物活性化合物,并进一步测试它们对在乙醇培养基中培养的酿酒酵母菌生长的有益影响。使用超声波和水作为溶剂萃取 C. vulgaris 中的生物活性化合物。作为植物化学成分的一部分,对提取物的总酚和类黄酮含量进行了分析。对它们的 DPPH 自由基活性和过氧化氢清除活性进行了检测,以确定它们的抗氧化特性以及在乙醇培养基中对 S. cerevisiae 的保护潜力。此外,将 0.1、0.5、1、2、3 和 4% w/v 浓度的提取物添加到用 1% v/v 乙醇诱导培养 23 天的 S. cerevisiae 培养基中。分别在 2、5、9、13、17 和 23 天后测量酵母细胞的密度和活力。C. vulgaris 的提取物富含酚类和类黄酮,它们是重要的生物活性化合物。萃取物浓度越高,总酚增加到 47.67 GAE mg/L,总黄酮增加到 218.67 QE mg/L。提取物的抗氧化成分显示出较高的 DPPH 活性(70.12%)和 H2O2 清除活性(4.97%)。23 天后,用 C. vulgaris 提取物处理的样品保持了较高的酵母细胞活力。尤其是含有 2%、4%、0.1% 和 1%提取物的样品,其细胞活力分别为 95.75%、94.04%、89.15% 和 74%。阳性对照(仅含 1%乙醇)和阴性对照(仅含酵母)的细胞活力分别为 47.71% 和 21.01%。活力的急剧下降是由于乙醇导致了酵母细胞的裂解。以水为溶剂的超声波萃取产生了丰富的褐藻次生代谢产物。在 27 天后,加入 C. vulgaris 提取物可提高 S. cerevisiae 的活力和细胞密度,从而保护酵母细胞免受乙醇的毒性影响。
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引用次数: 0
Electrophysical Microwave Installation for Heat Treatment of Animal Slaughter Waste 用于动物屠宰废弃物热处理的电物理微波装置
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2511
E. Voronov
Every day, the Russian Federation processes 126.3 tons of animal slaughter waste into animal feed. With an installation capacity of 35 kg/h, the required quantity is 7000 units. As a rule, the devices are energy-intensive. The problem is to reduce the operating costs of heat treatment of raw materials while maintaining the feed quality. The article introduces a new installation powered by an electrically driven resonator with rationalized operating modes. The research featured mucous by-products that require thermal treatment to neutralize the smell and disinfect the raw material. The authors investigated the dynamics of heating and used the data obtained to develop a digital installation model and test the electrodynamics in the resonator. After that, they rationalized the operating modes, i.e., corona discharge, electric field, screen efficiency, generator power, installation performance, and energy costs. The complex action of electromagnetic radiation provided a continuous combined heat treatment, disinfection, and odor neutralization with reduced operating costs. The electrical resonator was coaxially located in the shielding and contained a coronating electrode, electric bactericidal UV gas discharge lamps, knives, screws, and emitters from air-cooled magnetrons. The annular volume between the resonator and the coat excited the traveling wave by electromagnetic radiation through the perforation. Its average perimeter was a multiple of half the wavelength. The heat treatment with disinfection and fat rendering required an intrinsic quality factor of 8000, a generator power of 4.4 kW, a productivity of 35–40 kg/h, and energy costs of 0.25–0.28 kWh/kg. When the electric field was 5 kV/cm and the corona discharge was 9.79 kV/cm, the corona of bactericidal lamps provided the required ozone concentration and the bacterial contamination fell down to an acceptable level. The new installation with an electrical resonator reduced operating costs for heat treatment of animal slaughter waste and maintained the high-quality of the resulting feed products.
俄罗斯联邦每天将 126.3 吨动物屠宰废料加工成动物饲料。以 35 公斤/小时的安装能力计算,所需数量为 7000 单位。通常,这些设备都是能源密集型的。问题在于如何在保证饲料质量的同时降低原料热处理的运行成本。文章介绍了一种由电驱动谐振器提供动力的新型装置,该装置具有合理的运行模式。研究以需要热处理以中和气味并对原料进行消毒的粘液副产品为特色。作者对加热动态进行了研究,并利用获得的数据开发了数字装置模型,测试了谐振器中的电动力学。之后,他们对运行模式进行了合理化,即电晕放电、电场、屏幕效率、发电机功率、安装性能和能源成本。电磁辐射的复杂作用提供了连续的热处理、消毒和气味中和的组合,并降低了运行成本。电谐振器同轴位于屏蔽内,包含一个加冕电极、紫外线气体放电杀菌灯、刀具、螺钉和来自空气冷却磁控管的发射器。谐振器和外套之间的环形空间通过穿孔的电磁辐射激发行波。其平均周长是波长一半的倍数。带有消毒和去脂功能的热处理所需的内在质量系数为 8000,发电机功率为 4.4 千瓦,生产率为 35-40 公斤/小时,能源成本为 0.25-0.28 千瓦时/公斤。当电场为 5 千伏/厘米,电晕放电为 9.79 千伏/厘米时,杀菌灯的电晕可提供所需的臭氧浓度,细菌污染降至可接受的水平。带有电谐振器的新装置降低了动物屠宰废物热处理的运行成本,并保持了所生产饲料产品的质量。
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引用次数: 0
Gas Mass Spectrometry of Industrial Yogurts 工业酸奶的气体质谱分析
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2507
Vladimir Sibircev, Alexey Kuzmin, Yuri V. Titov, Anna Zaitseva, Vladislav Sherstnev
Food safety and quality are especially important in the dairy industry. Mass spectrometry is an effective tool of state control in this sphere. The research objective was to study the prospects for gas mass spectrometry with smart mathematical processing in assessing the composition and quality of dairy products. The study featured 11 samples of fresh and acidified yoghurts from different manufacturers and with various starters, functional food additives, etc. These samples and their packaging were evaluated using a small-sized quadrupole gas mass spectrometer MS7-200 with electron impact ionization developed at the Institute for Analytical Instrumentation, Russian Academy of Sciences. The data obtained were mathematically processed by the method of principal components. Based on the ratios of peak intensities at m/z = 55, 56, 57, 58, 59, 60, 61, 64, 67, 69, 70, 71, 72, 73, 74, 84, 85, and 88 Da, the fresh and expired samples were classified not only by the degree of freshness, but also by the composition and quality of the microbiological starters, raw materials, food additives, etc. In addition, some packaging materials proved to be of poor quality. In this study, the method of gas mass spectrometry was supplemented by the authentic methods for selecting gas emissions from yoghurts and packaging, accelerated acidification, and smart mathematical processing. The approach proved to be time-saving, sensitive, selective, available, and cost-effective. As a result, it demonstrated good potential as a means to control the composition and quality of dairy products and their packaging.
食品安全和质量对乳制品行业尤为重要。质谱法是这一领域进行状态控制的有效工具。这项研究的目的是研究气体质谱法与智能数学处理在评估乳制品成分和质量方面的应用前景。研究涉及 11 个新鲜酸奶和酸化酸奶样品,这些样品来自不同的生产商,并添加了不同的开胃剂、功能性食品添加剂等。使用俄罗斯科学院分析仪器研究所开发的小型四极杆气体质谱仪 MS7-200(电子碰撞电离)对这些样品及其包装进行了评估。获得的数据采用主成分法进行了数学处理。根据 m/z = 55、56、57、58、59、60、61、64、67、69、70、71、72、73、74、84、85 和 88 Da 的峰强度比值,对新鲜样品和过期样品进行了分类,分类依据不仅包括新鲜程度,还包括微生物发酵剂、原材料、食品添加剂等的成分和质量。此外,一些包装材料被证明质量不佳。在这项研究中,气体质谱法得到了从酸奶和包装、加速酸化和智能数学处理中选择气体排放的真实方法的补充。事实证明,这种方法省时、灵敏、选择性强、可用且成本效益高。因此,该方法在控制乳制品及其包装的成分和质量方面具有良好的潜力。
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引用次数: 0
Beliy Zhemchug Activated Complex: Effect on Quality and Yield of Commercial Apples after Long-Term Storage Beliy Zhemchug 活性复合物:长期贮藏后对商品苹果质量和产量的影响
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2513
Z. Ozherelieva, A. Nikitin, P. Prudnikov, Oksana Vetrova
Biological fertilizers improve fruit quality; for instance, organomineral, or activated mixes are known to increase consumer qualities of apples. This article describes the effect of a new activated complex (non-root treatment) on the yield, chemical composition, and physiological disorders, e.g., scald and brown spot, of commercial apples after long-term storage. The research featured the natural activated complex of the Beliy Zhemchug (White Pearl) brand. The apple trees were divided into two groups: 1 – untreated control trees; 2 – trees that underwent a non-root treatment with the activated complex (1% solution of its Antifreeze variant + 1% solution of the Drip Ca + Mg variant). The trees belonged to the Sinap Orlovskiy cultivar, which is highly susceptible to brown spot and scald, both in the orchard and during long-term storage. The apples were studied for chemical composition and consumer qualities after long-term storage in a CV114-S refrigerator at +2°C and a relative humidity of 85–90%. The non-root treatment of apple trees with the Beliy Zhemchug activated complex had no significant effect on the content of soluble solids, total sugars, titrated acids, and ascorbic acid in ripe apples. Weather conditions affected the chemical composition 30 days before harvesting. The non-root treatment increased the yield of commercial apples by 1.62 times after long-time storage. The scald, brown spot, and moniliosis damage decreased by 1.9, 2.6, and 1.9 times, respectively. The activated fertilizers of the Beliy Zhemchug brand proved highly efficient as additional techniques in common apple cultivation and could be recommended to improve the quality and yield of commercial fruits after long-term storage.
生物肥料可提高水果品质;例如,众所周知,有机矿物质或活化复合物可提高苹果的消费品质。本文介绍了一种新型活性复合物(非根处理)对长期储存后商品苹果的产量、化学成分和生理失调(如烫伤和褐斑病)的影响。这项研究采用了 Beliy Zhemchug(白珍珠)品牌的天然活性复合剂。苹果树被分为两组:1 - 未经处理的对照树;2 - 使用活性复合剂(1% 的防冻剂变体溶液 + 1%的钙镁滴剂变体溶液)进行非根部处理的树。这些果树属于 Sinap Orlovskiy 栽培品种,该品种在果园和长期储藏期间极易发生褐斑病和烫伤。在 CV114-S 冰箱中长期贮藏的苹果,温度为 +2°C,相对湿度为 85-90%。用 Beliy Zhemchug 活性复合物对苹果树进行非根部处理,对成熟苹果中的可溶性固形物、总糖、滴定酸和抗坏血酸含量没有显著影响。收获前 30 天的天气条件影响了化学成分。长期贮藏后,无根处理使商品苹果的产量提高了 1.62 倍。烫伤、褐斑病和单核病危害分别减少了 1.9 倍、2.6 倍和 1.9 倍。事实证明,"Beliy Zhemchug "品牌的活性肥料作为普通苹果栽培的补充技术非常有效,可推荐用于提高长期贮藏后商品水果的质量和产量。
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引用次数: 0
Gelatin Jelly Candy from Mackerel Skin (Scomberomorus commersonii) 从鲭鱼皮中提取的明胶果冻糖果(Scomomberomorus commersonii)
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2503
Agustiana Agustiana, Siti Aisyah, H. Rahmawati, D. E. Anggraini, Aolia Ramadhani
Jelly candies are colorful, delicious, and loved by children. Mackerel skin gelatin has a good nutritional potential to increase the protein content in jelly candy. The present study tested consumer acceptance, proximate value, and quality of gelatin jelly candy fortified with eight different natural flavorings: honey, date juice, olive oil, soy milk, goat’s milk, grape juice, avocado, and pumpkin. Gelatin was extracted from mackerel (Scomberomorus commersonii) skin. The quality assessment involved tests on the water, ash, fat, and protein contents, as well as bacterial contamination. The sensory evaluation involved a hedonic test with 10 panelists, who found all samples acceptable in appearance, smell, flavor, and texture. The average score for each criterium was 7.00 out of 9.00. The sample with soy milk proved to have the most optimal formulation: water (9.76 ± 0.70%), ash (0.21 ± 0.02%), protein (16.20 ± 0.37%), fat (2.32 ± 0.50%), carbohydrate (51.61 ± 0.80%), reducing sugar (0.14 ± 0.01%). All samples were free from Salmonella sp. and Escherichia coli, with a total plate count of 1×102 colonies per 1 g. The jelly candy with mackerel skin gelatin was high in protein, had a favorable sensory profile, and met the Indonesia National Standard for this type of food products.
果冻糖色彩缤纷、美味可口,深受儿童喜爱。鲭鱼皮明胶具有增加果冻糖蛋白质含量的良好营养潜力。本研究测试了消费者对添加了八种不同天然香料(蜂蜜、枣汁、橄榄油、豆奶、山羊奶、葡萄汁、鳄梨和南瓜)的明胶果冻糖的接受程度、近似值和质量。明胶是从鲭鱼(Scomberomorus commersonii)皮中提取的。质量评估包括对水分、灰分、脂肪和蛋白质含量以及细菌污染的检测。感官评估包括由 10 位专家组成的享乐主义测试,他们认为所有样品的外观、气味、风味和质地均可接受。每项标准的平均得分是 7.00(满分 9.00)。事实证明,含豆奶的样品具有最理想的配方:水(9.76 ± 0.70%)、灰分(0.21 ± 0.02%)、蛋白质(16.20 ± 0.37%)、脂肪(2.32 ± 0.50%)、碳水化合物(51.61 ± 0.80%)、还原糖(0.14 ± 0.01%)。所有样品均未检出沙门氏菌和大肠杆菌,每 1 克样品的菌落总数为 1×102 菌落数。鲭鱼皮明胶果冻糖蛋白质含量高,感官特征良好,符合印度尼西亚此类食品的国家标准。
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引用次数: 0
Bioactive Anti-Aging Substances: Geroprotectors 生物活性抗衰老物质:老年保护剂
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2517
Anna Fokina, A. Vesnina, Anna S Frolova, Darya Chekushkina, L. Proskuryakova, Larisa Aksenova
People are constantly exposed to adverse environmental factors that affect their health. If combined with hereditary predisposition, they may lead to gerontological changes that reduce healthy and working life expectancy. Some measures can prevent premature aging, e.g., a balanced diet or biologically active anti-aging substances also called geroprotectors. This article reviews biologically active geroprotectors with a view to select promising components for novel biologically active additives and functional foods. The review covered five years of Russian research articles and patents on biologically active anti-aging agents indexed in the National Center for Biotechnology Information, ScienceDirect, eLIBRARY.RU, and the database of the Federal Institute of Industrial Property. The domestic market demonstrates a growing demand for biologically active supplements: in 2023, it increased by 10% in value terms as consumers’ interest in a healthy and long life continues to grow. The review also included quality criteria for biologically active anti-ageing agents, e.g., such plant metabolites as vitamins, polyphenols, antioxidants, adaptogens, peptides, etc. Thymalin, epithalamin, dasatinib, and epithalon are available on the domestic market. The list of potential anti-aging agents includes ethylamine, carnosine, glutathione, ubiquinone, curcumin, rutin, quercetin, resveratrol, senolytics, and sirutins. These biologically active substances prevent oxidative stress, accumulation of lipofuscin, and senescent cells. The most effective anti-aging agents come from Vitis amurensis, Rhodiola rosea, Schisandra chinensis, Galega officinalis, Eleutherococcus senticosus, Withania somnifera, and Panax ginseng.
人们经常暴露在影响其健康的不利环境因素中。如果再加上遗传倾向,就可能导致老年病变,从而缩短健康寿命和工作寿命。有些措施可以防止过早衰老,如均衡饮食或具有生物活性的抗衰老物质(也称为老年保护剂)。本文回顾了具有生物活性的老年保护剂,以期为新型生物活性添加剂和功能食品选择有前景的成分。综述涵盖了国家生物技术信息中心、ScienceDirect、eLIBRARY.RU 和联邦工业产权局数据库收录的五年来俄罗斯有关生物活性抗衰老剂的研究文章和专利。国内市场对生物活性补充剂的需求不断增长:随着消费者对健康长寿的兴趣不断增长,2023 年的市场价值将增长 10%。审查还包括生物活性抗衰老剂的质量标准,如维生素、多酚、抗氧化剂、适应原、肽等植物代谢物。胸腺嘧啶、表他氨肽、达沙替尼和表他隆在国内市场上有售。潜在的抗衰老剂包括乙胺、肌肽、谷胱甘肽、泛醌、姜黄素、芦丁、槲皮素、白藜芦醇、衰老素和沙鲁肽。这些生物活性物质能防止氧化应激、脂褐素积累和细胞衰老。最有效的抗衰老物质来自金银花、红景天、五味子、加勒加、刺五加、睡茄和人参。
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引用次数: 0
Gooseberry Microbiota during Storage 贮藏期间的鹅莓微生物群
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2505
Natalya Motovilova, Olga Golub, G. Chekryga
Berries are a source of biologically active substances in human diet. Gooseberries have attractive sensory properties and high nutritional value. However, modern science knows little about micromycetic contamination of gooseberry. The research objective was to define the mycobiota composition of Ribes uva-crispa L. varieties during storage. The study featured the mycobiota of gooseberry varieties Senator and Rozoviy 2. The berries were harvested on the test field of the Siberian Federal Scientific Center of Agro-BioTechnologies of the Russian Academy of Sciences. They were stored for 18 days at 18 ± 2 and 4 ± 2°C and a relative humidity of 90–95%. The authors used standard research methods to identify the mycobiota and attribute them to nine genera by morphological structure: Aspergillus, Mucor, Penicillium, Rhizopus, Alternaria, Aureobasidium, Cladosporium, Cryptococcus, and anaerobic yeast. The frequency of occurrence varied from 20 to 100%. Micromycetes of the genus Fusarium were present only in the Senator sample, which also demonstrated a 100% occurrence of Penicillium, Alternaria, Aspergillus, and Cladosporium. In the sample of Rozoviy 2, Penicillium and Cladosporium occurred in 80%. The Senator sample was twice as low in micromycetes as the Rozoviy 2 berries: 558 vs. 945, respectively. The Senator berries grew in micromycetes due to the Cladosporium fungi while Rozoviy 2 owed its micromycetic increase to Penicillium. Both varieties showed no signs of ascomycetes known as a powdery mildew agent. During storage, the growth of yeast and yeast-like fungi depended on the variety of berries while the growth of mycelial fungi depended on the variety and storage temperature. The data obtained expand the scope of scientific knowledge about the generic composition of gooseberry mycobiota, which may help to select correct anti-spoilage measures.
浆果是人类饮食中生物活性物质的来源。鹅莓具有诱人的感官特性和很高的营养价值。然而,现代科学对鹅莓的微霉菌污染知之甚少。研究目的是确定鹅莓品种在贮藏过程中的霉菌群组成。这项研究的重点是鹅莓品种 Senator 和 Rozoviy 2 的霉菌生物群。这些浆果是在俄罗斯科学院西伯利亚联邦农业生物技术科学中心的试验田里收获的。它们在 18 ± 2 和 4 ± 2°C 和 90-95% 的相对湿度下存放了 18 天。作者使用标准的研究方法对菌类进行了鉴定,并根据形态结构将其归为九个属:曲霉属(Aspergillus)、粘菌属(Mucor)、青霉菌属(Penicillium)、根霉菌属(Rhizopus)、交替孢霉属(Alternaria)、金孢霉属(Aureobasidium)、梭菌属(Cladosporium)、隐球菌属(Cryptococcus)和厌氧酵母属(anaerobic yeast)。出现频率从 20% 到 100% 不等。镰刀菌属的小霉菌只出现在参议员的样本中,青霉、交替孢霉、曲霉和克拉多孢霉的出现率也是 100%。在 Rozoviy 2 号样本中,青霉和颚孢菌的出现率为 80%。参议员样本中的微霉菌含量是罗佐维 2 号浆果的两倍:分别为 558 个和 945 个。参议员浆果的微菌落总数增加是由于克拉多孢子菌的作用,而罗佐维 2 号的微菌落总数增加则是由于青霉的作用。这两个品种都没有出现被称为白粉病菌的子囊菌的迹象。在贮藏期间,酵母菌和酵母类真菌的生长取决于浆果的品种,而菌丝真菌的生长则取决于品种和贮藏温度。所获得的数据扩大了有关醋栗真菌生物群一般组成的科学知识范围,这可能有助于选择正确的防霉措施。
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引用次数: 0
Effect of Low-Temperature Storage on Chemical Composition and Antimicrobial Activity of Honey 低温贮藏对蜂蜜化学成分和抗菌活性的影响
Q3 Economics, Econometrics and Finance Pub Date : 2024-07-03 DOI: 10.21603/2074-9414-2024-2-2512
Dmitry Gruznov, O. Gruznova, A. Sokhlikov, Anton Lobanov
Natural honey can change its physicochemical and biological properties during storage. According to State Standard 19792-2017, honey should be stored at ≤ 20°C. Some publications promote long-term storage of honey at temperatures between 0 and –20°C that preserves its physicochemical parameters, especially the content of hydroxymethylfurfural. Promising as they seem, such temperature modes may affect other physicochemical parameters of honey. The research objective was to study the effect of different temperature conditions on various honey samples and their physicochemical and biological parameters during long-term storage. The study applied standard and authentic research methods to fresh linden, buckwheat, and sunflower honey samples obtained from Rostov, Volgograd, Kursk, Voronezh, Saratov, and Krasnodar regions. They were stored in heat, cold, and moisture test chambers M-60/100-500 for 12 months. Hydroxymethylfurfural proved stable at –18°C for 12 months. After 12 months at 18°C, it showed a sharp increase of 472.5–488.1%. The activity of enzymic diastase, D-glucose-1-oxidase, and catalase occurred at all temperature modes after 1 month of storage. At 0–5°C, the changes were minimal: hydrogen peroxide (H2O2) remained stable, and its concentration decreased by ≤ 12.2% after 12 months of storage. Moisture, mass fraction of reducing sugars, and acidity remained stable in all samples. An antimicrobial test by Escherichia coli (strain 1257), Staphylococcus aureus (strain 209-P), and Bacillus cereus (strain 96) showed that the best inhibiting properties belonged to the samples of linden and buckwheat honey stored at 5 and 0°C for 12 months. The optimal temperatures for long-term honey storage were in the range between 5 and 0°C. The results obtained can be used in updated honey storage standards.
天然蜂蜜在储存过程中会改变其物理化学和生物学特性。根据国家标准19792-2017,蜂蜜应在≤20°C的温度下储存。一些出版物提倡在 0 至 -20°C 的温度下长期储存蜂蜜,以保持其理化参数,尤其是羟甲基糠醛的含量。这种温度模式看起来很有希望,但可能会影响蜂蜜的其他理化参数。这项研究的目的是研究不同温度条件对各种蜂蜜样品及其在长期储存过程中的理化和生物参数的影响。研究采用标准和真实的研究方法,对从罗斯托夫、伏尔加格勒、库尔斯克、沃罗涅日、萨拉托夫和克拉斯诺达尔地区获得的新鲜椴树、荞麦和向日葵蜂蜜样本进行了研究。这些蜂蜜在 M-60/100-500 型耐热、耐寒和耐湿试验箱中储存了 12 个月。事实证明,羟甲基糠醛在 -18°C 温度下可稳定存放 12 个月。在 18°C 下存放 12 个月后,羟甲基糠醛的含量急剧上升了 472.5-488.1%。贮藏 1 个月后,在所有温度模式下,酶促胃酸分解酶、D-葡萄糖-1-氧化酶和过氧化氢酶的活性都发生了变化。在 0-5°C 温度下,变化极小:过氧化氢(H2O2)保持稳定,储存 12 个月后,其浓度下降了 ≤ 12.2%。所有样品的水分、还原糖的质量分数和酸度都保持稳定。大肠杆菌(菌株 1257)、金黄色葡萄球菌(菌株 209-P)和蜡样芽孢杆菌(菌株 96)的抗菌试验表明,在 5℃和 0℃条件下贮存 12 个月的椴树蜜和荞麦蜜样品的抑菌性最好。蜂蜜长期储存的最佳温度为 5 至 0°C。获得的结果可用于更新蜂蜜储存标准。
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引用次数: 0
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Food Processing: Techniques and Technology
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