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From agroindustrial waste to nutraceuticals: Potential of mango seed for sustainable product development 从农业工业废物到营养保健品:芒果种子在可持续产品开发方面的潜力
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-22 DOI: 10.1016/j.tifs.2024.104754
Eliseo Cárdenas-Hernández , Cristian Torres-León , Mónica L. Chávez-González , Rafael Matos Ximenes , Teresinha Gonçalves da Silva , Juan A. Ascacio-Valdés , José L. Martínez-Hernández , Cristóbal N. Aguilar

Background

Agroindustrial wastes are a significant problem in our society, however, they can be used to generate high-value-added products. Mango (Mangifera indica L.) seed, a waste generated in substantial amounts and rich in bioactive compounds, can be used for the development of nutraceuticals that improve human health.

Scope and approach

This review describes mango's typical characteristics, waste generation after processing, and the problems associated with its improper disposal. This work focuses on mango seed, highlighting its phytochemical composition, bioactive compounds, and their activities and extraction techniques. It also provides considerations for developing nutraceuticals by studying toxicity, bioaccessibility, and bioavailability, gives strategic recommendations, and outlines the benefits of using mango seed for this purpose.

Key findings and conclusions

Mango seed has a large amount of bioactive compounds, such as polyphenols, flavonoids, and tannins, which possess important biological activities, thus having a high potential for the development of nutraceuticals. However, extraction of these compounds remains a challenge as there are no standard procedures. In addition, the degradation of these compounds could affect their efficacy, so protection strategies are required. Bioaccessibility and bioavailability studies are crucial to ensure their preventive or therapeutic efficacy. Regulations and guidelines for nutraceuticals should be clarified. Process management and scalability strategies must also be designed to facilitate their integration into nutraceutical products efficiently. These considerations are essential to fully exploit the potential of mango seed in nutraceuticals.
背景农用工业废物是我们社会的一个重大问题,但它们可以用来生产高附加值产品。芒果(Mangifera indica L.)种子是一种产生量巨大且富含生物活性化合物的废物,可用于开发改善人类健康的保健品。这项工作的重点是芒果种子,着重介绍其植物化学成分、生物活性化合物及其活性和提取技术。主要发现和结论芒果种子中含有大量生物活性化合物,如多酚、类黄酮和单宁酸,它们具有重要的生物活性,因此在开发营养保健品方面具有很大潜力。然而,由于没有标准程序,提取这些化合物仍然是一项挑战。此外,这些化合物的降解会影响其功效,因此需要采取保护策略。生物可及性和生物利用度研究对于确保其预防或治疗功效至关重要。应明确营养保健品的法规和指导原则。还必须设计工艺管理和可扩展性战略,以促进将其有效地整合到营养保健品中。这些考虑因素对于充分挖掘芒果籽在营养保健品中的潜力至关重要。
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引用次数: 0
Functional properties of oleogels and emulsion gels as adipose tissue mimetics 油凝胶和乳液凝胶作为脂肪组织模拟物的功能特性
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-22 DOI: 10.1016/j.tifs.2024.104753
Elyse Czapalay, Alejandro Marangoni

Background

The demand for plant-based meat analogues continues to rise as consumers seek sustainable and healthier dietary choices. Currently, plant-based meat analogue manufacturers focus heavily on protein quality and content. At present, there is an emphasis on converting globular plant proteins to more meat-like, fibrous structures, while the fat portion of plant-based meat alternatives is not given adequate attention and remains subpar. To replicate the textural and sensory attributes of animal-based meat, the development of adipose tissue mimetics is essential, as adipose tissue is the primary fat store for meat.

Scope and approach

This narrative review investigates the concept of adipose tissue and explores various methods for creating adipose tissue mimetics using oleogel or emulsion gels. Adipose tissue is made up of an extracellular matrix which contains animal fat. Since the fat in animals is not “free,” adipose tissue retains its structural integrity after cooking, which contributes to its high resilience and ability to sustain its shape. Popular methods in creating adipose tissue mimetics, including the use of oleogels and emulsion gels, are discussed with examples from recent years, as well as examples of other, less common methods.

Key findings and conclusions

Strengths and limitations of the various methods employed for creation of adipose tissue mimetics are carefully considered. Emulsion gels were able to maintain their solid-like behaviour even at elevated temperatures. Emulsion gels used more label-friendly gelling materials compared to oleogels which used the non-label-friendly ethylcellulose. Oleogels were however able to achieve the same oil content as well as hardness of adipose tissue in some samples. Both types of gels offered a customizable lipid profile, the ability to partially mimic TPA results of animal adipose tissue, and utilized plant-based sustainable and health-conscious ingredients. Based on this review, areas that need improvement include textural and rheological qualities like hardness, oil retention upon heating, preserving meat-like sensory properties in plant-based meat analogues, and finding consumer friendly ingredients.
背景随着消费者寻求可持续和更健康的饮食选择,对植物肉类类似物的需求持续上升。目前,植物肉类类似物生产商主要关注蛋白质的质量和含量。目前的重点是将球状植物蛋白转化为更像肉类的纤维结构,而植物肉类替代品的脂肪部分没有得到足够的重视,仍然不合格。为了复制动物肉类的质地和感官特性,开发脂肪组织模拟物至关重要,因为脂肪组织是肉类的主要脂肪储存库。范围和方法这篇叙述性综述研究了脂肪组织的概念,并探讨了使用油凝胶或乳液凝胶制造脂肪组织模拟物的各种方法。脂肪组织由含有动物脂肪的细胞外基质构成。由于动物脂肪不是 "游离 "的,因此脂肪组织在烹饪后仍能保持其结构的完整性,这也是其具有高弹性和保持形状的能力的原因。主要发现和结论仔细研究了制作脂肪组织模拟物的各种方法的优点和局限性。乳液凝胶即使在高温下也能保持固态。乳液凝胶使用了对标签更友好的胶凝材料,而油凝胶则使用了对标签不友好的乙基纤维素。不过,油凝胶在某些样品中也能达到与脂肪组织相同的含油量和硬度。这两种凝胶都提供了可定制的脂质概况,能够部分模拟动物脂肪组织的 TPA 结果,并使用了植物性可持续健康成分。根据本综述,需要改进的领域包括质地和流变学质量(如硬度)、加热后的保油性、在植物基肉类类似物中保留肉类的感官特性,以及寻找对消费者友好的配料。
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引用次数: 0
Effect of polysaccharide-induced viscosity on the digestion of proteins, fats, and carbohydrates in food: A comprehensive review and future perspectives 多糖引起的粘度对食物中蛋白质、脂肪和碳水化合物消化的影响:全面回顾与未来展望
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-22 DOI: 10.1016/j.tifs.2024.104757
Ahasanul Karim , Leila Mohammadi , Emmanuel Freddy Osse , Mohammed Aider , Milena Saqui-Salces , Seddik Khalloufi

Background

Polysaccharides play a crucial role in slowing macronutrient digestion, contributing to satiety, glycemic control, regulating blood sugar levels, and cholesterol management. Their impact on food digestion and absorption is largely mediated by their ability to increase the viscosity of chyme and digesta, affecting the activity of digestive enzymes.

Scope and approach

This review examines the effects of polysaccharides on digestive enzymes, focusing on their inhibition of proteolysis, lipolysis, and amylolysis. While other ingredients like gelatin or specific food additives can increase food viscosity, this review specifically emphasizes polysaccharides, particularly soluble fibers. A comprehensive search in Web of Science/ScienceDirect identified 1589 articles published between January 1982 and August 2023. After applying selection criteria, 212 trials from 96 articles that directly examined the influence of polysaccharide viscosity on macronutrient digestibility were included.

Key findings and conclusions

The review identifies 38 polysaccharides, including pectin, xanthan, guar gum, carboxymethylcellulose, carrageenan, and konjac glucomannan, known for their viscosity-enhancing properties. These polysaccharides impact nutrient digestion through several mechanisms: they reduce diffusion and mass transfer, impede mixing of digestive components, block enzyme active sites, induce conformational changes, and form aggregates and surface bonds that immobilize substrates. The extent of digestion inhibition is influenced by factors such as polysaccharide concentration, viscosity, and molecular structure, as well as the properties of the substrate, including molecular weight and conformation. The review highlights the need for more accurate modeling of digestive processes and in vitro systems that effectively replicate digestive conditions to better understand the impact of polysaccharides on nutrient digestion and absorption. Future research should explore complex systems, including whole foods and fiber-rich by-products like fruit peels or grain husks containing both soluble and insoluble fiber, to gain deeper insights into how polysaccharides affect into nutrient digestion and absorption in real-world scenarios.
背景多糖在减缓宏量营养素消化、促进饱腹感、控制血糖、调节血糖水平和控制胆固醇方面发挥着至关重要的作用。多糖对食物消化和吸收的影响主要是通过增加食糜和消化液的粘度,从而影响消化酶的活性。虽然明胶或特定食品添加剂等其他成分可以增加食物粘度,但本综述特别强调多糖,尤其是可溶性纤维。通过在 Web of Science/ScienceDirect 上进行全面搜索,发现了 1982 年 1 月至 2023 年 8 月间发表的 1589 篇文章。应用筛选标准后,96 篇文章中的 212 项试验被纳入其中,这些试验直接研究了多糖粘度对宏量营养素消化率的影响。主要发现和结论本综述确定了 38 种多糖,包括果胶、黄原胶、瓜尔豆胶、羧甲基纤维素、卡拉胶和魔芋葡甘露聚糖,这些多糖以其增强粘度的特性而闻名。这些多糖通过多种机制影响营养物质的消化:它们减少扩散和传质,阻碍消化成分的混合,阻塞酶的活性位点,引起构象变化,形成聚集体和表面键固定底物。消化抑制的程度受多糖浓度、粘度和分子结构等因素以及底物的特性(包括分子量和构象)的影响。综述强调,需要对消化过程和体外系统进行更精确的建模,以有效复制消化条件,从而更好地了解多糖对营养物质消化和吸收的影响。未来的研究应探索复杂的系统,包括完整的食物和富含纤维的副产品,如含有可溶性和非可溶性纤维的果皮或谷物壳,以便更深入地了解多糖在实际情况下如何影响营养物质的消化和吸收。
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引用次数: 0
Microbiology of cultivated meat: What do we know and what we still need to know? 养殖肉类的微生物学:我们知道什么,还需要知道什么?
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-22 DOI: 10.1016/j.tifs.2024.104759
Kamila Habowski, Anderson S. Sant'Ana

Background

Predictions by the Food and Agriculture Organization (FAO) and World Health Organization (WHO) show that the human population will be around 9 to 11 billion by 2050 and the demand for food, including animal protein, should increase proportionally. Thereby, there are sustainability concerns, increased emissions of greenhouse gases, land and water use, and the occurrence of foodborne diseases linked to meat products. In this sense, cultivated meat emerges as a technological alternative that would address several of the aforementioned limitations. Cultivated meat is based on the ex-vivo culture of cells from live animals, taken by biopsy procedure, and grown in the bioreactors under controlled conditions standards.

Scope and approach

This review discusses the microbiological aspects related to cultivated meat production. Trends, research needs, and perspectives regarding the use of fetal bovine serum, rigor mortis, formulation, microbial behavior through production of cultivated meat, and shelf life were also considered.

Key findings and conclusions

The majority of key microbial contaminants of conventional meat will likely play a role for cultivated meat stability and safety. There is no scientific evidence regarding the impacts of microbial contaminants during the production process of cultivated meat as in the final product. Considering this is a bioprocess, it becomes clear that strict good hygienic manufacturing and cell culture practices must be applied during production. The preparation, consumption, and correct handling and packaging, including cooking temperature and storage, must be clearly stated on the label.
背景联合国粮食及农业组织(FAO)和世界卫生组织(WHO)的预测显示,到 2050 年,人类人口将达到 90 亿至 110 亿左右,对食品(包括动物蛋白)的需求也将相应增加。因此,人们对可持续发展、温室气体排放量增加、土地和水的使用以及与肉类产品有关的食源性疾病的发生等问题感到担忧。从这个意义上说,栽培肉作为一种技术替代品,可以解决上述几个限制因素。培养肉是基于活体动物细胞的体外培养,通过活检程序从活体动物身上提取细胞,并在受控条件标准下在生物反应器中生长。主要发现和结论传统肉类中的大多数主要微生物污染物可能会对培养肉的稳定性和安全性产生影响。目前还没有科学证据表明微生物污染物在栽培肉生产过程中对最终产品的影响。考虑到这是一种生物工艺,显然在生产过程中必须严格执行良好的卫生生产和细胞培养规范。必须在标签上清楚地注明配制、食用、正确处理和包装,包括烹饪温度和储存。
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引用次数: 0
Theaflavins: An underexploited functional compound in black tea 茶黄素:红茶中一种未被充分开发的功能性化合物
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-22 DOI: 10.1016/j.tifs.2024.104755
Tiyue Zhao , Xiangxiang Huang , Jian Zhao , Chung S. Yang , Sheng Zhang , Jianan Huang , Kunbo Wang , Zhonghua Liu , Mingzhi Zhu

Background

Theaflavins (TFs) are orange-red pigments with a benzotropolone structure, which are formed by the polymerization of catechins under oxidase-catalysed oxidation in the fermentation stage of black tea production. The contents of TFs play a crucial role in determining the sensory properties and commercial value of black tea. As natural bioactive compounds, TFs exhibit biological activities, which highlight their potential applications in the food, pharmaceutical, and healthcare industries. However, compared to the extensive applications of tea catechins, TFs remain underexploited due to technical challenges in their preparation. A comprehensive understanding of current TFs preparation technologies is essential for the development of novel processing techniques.

Scope and approach

This review provides a summary of the formation mechanism of TFs, with an emphasis on the key techniques employed for their extraction and purification. Additionally, it thoroughly examines the impact of synthetic methods and their corresponding influencing factors on TFs synthesis. Recent research advancements in the biological activities of TFs are also discussed succinctly.

Key findings and conclusion

Significant advancements in the synthesis, extraction, and purification techniques of TFs have been made in laboratory settings; however, challenges remain in scaling up these processes for mass production and practical applications. Exploring the directional synthetic processes for TFs, developing automated systems for continuous extraction, separation, and concentration, and elucidating the mechanisms underlying the biological activities of different TF monomers should be the focus of future research.
背景茶黄素(TFs)是一种具有苯并三苯丙酮结构的橙红色色素,由儿茶素在红茶发酵阶段的氧化酶催化下聚合而成。TFs 的含量对决定红茶的感官特性和商业价值起着至关重要的作用。作为天然生物活性化合物,TFs 具有生物活性,这突出了它们在食品、医药和保健行业的潜在应用。然而,与茶儿茶素的广泛应用相比,由于制备技术上的挑战,TFs 的开发仍然不足。本综述概述了 TFs 的形成机制,重点介绍了提取和纯化 TFs 的关键技术。此外,它还深入研究了合成方法及其相应影响因素对 TFs 合成的影响。主要发现和结论在实验室环境中,TFs 的合成、提取和纯化技术已经取得了重大进展;然而,要将这些工艺推广到大规模生产和实际应用中,仍然存在挑战。探索 TFs 的定向合成过程,开发用于连续提取、分离和浓缩的自动化系统,以及阐明不同 TF 单体的生物活性机理,应该是未来研究的重点。
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引用次数: 0
Oleofoams and whipped emulsions: Formation, characterization, and future role in the food industry 油脂泡沫和打发乳液:形成、特征和未来在食品工业中的作用
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-21 DOI: 10.1016/j.tifs.2024.104752
Matteo Grossi, Muxin Zhao, Jiajia Rao, Bingcan Chen

Background

Oleofoams are becoming increasingly popular due to their ability to provide unique textures, structures, and appearances to food. In particular, several foamed systems contain considerable amounts of saturated fats (SFA), which have been linked to deleterious effects to the human body. For this reason, oleofoams and whipped emulsions have attracted a lot of attention recently due to their ability to reduce SFA and the overall calories.

Scope and approach

This review aims to summarize recent findings on oleofoams and whipped emulsions. The advantages of these two systems were introduced, along with their possible food applications. The impact of the type of gelator/emulsifier used on the final properties of the foam was evaluated, and different strategies to stabilize or destabilize these systems were presented. Lastly, the impact of processing parameters on the foam performance were discussed, and whipped emulsions and oleofoams were compared throughout the whole manuscript to highlight their differences and similarities.

Key findings and conclusions

One or the combination of multiple emulsifiers can be used to stabilize oleofoams and whipped emulsions which is obtained by Pickering stabilization, bulk stabilization, or partial coalescence. Processing parameters are crucial for tuning the overrun and textural properties oleofoams, and several analytical techniques have been proved to be useful to have an insight into the performance, stability, and structure of the final product. Currently, the study of oleofoams and whipped emulsions is at its fundamental stage, and therefore it is necessary to study the effect of these systems on food applications and to understand their acceptance by consumers.
背景油脂泡沫由于能够为食品提供独特的质地、结构和外观而越来越受欢迎。特别是,一些发泡体系含有大量饱和脂肪(SFA),而饱和脂肪与对人体的有害影响有关。因此,油脂泡沫和打发乳液因其能够减少饱和脂肪酸和总热量而在最近引起了广泛关注。介绍了这两种体系的优点及其可能的食品应用。评估了所使用的凝胶剂/乳化剂类型对泡沫最终特性的影响,并介绍了稳定或破坏这些体系稳定性的不同策略。最后,还讨论了加工参数对泡沫性能的影响,并在整篇文章中对发泡乳液和油脂泡沫进行了比较,以突出它们之间的异同。加工参数对于调整油脂泡沫的溢出和纹理特性至关重要,而多种分析技术已被证明有助于深入了解最终产品的性能、稳定性和结构。目前,对油脂泡沫和打发乳液的研究还处于基础阶段,因此有必要研究这些系统对食品应用的影响,并了解消费者对它们的接受程度。
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引用次数: 0
Exploiting the interactions between plant proteins and gut microbiota to promote intestinal health 利用植物蛋白与肠道微生物群之间的相互作用促进肠道健康
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-20 DOI: 10.1016/j.tifs.2024.104749
Jie Jia , Andrea Dell’Olio , David Izquierdo-Sandoval , Edoardo Capuano , Xuebo Liu , Xiang Duan , Josep Rubert

Background

The use of plant proteins has surged in popularity recently for several reasons, such as their potential health benefits, positive impact on the environment, and ethical implications. Additionally, plant proteins have been found to support beneficial gut bacteria, contributing to a diverse and healthy microbiome.

Scope and approach

This review critically discusses the fate of plant proteins in the gastrointestinal tract and their effects on regulating the gut microbiota, gut microbial metabolites (GMMs), and their potential impact on the adjacent epithelial tissue. We suggest possible areas for future research in this new and developing field.

Key findings and conclusions

Proteins found in plant-based foods generally result in increased nitrogen entering the large intestine. These substrates play a different role in modulating the gut microbiota and releasing GMMs compared to animal-origin proteins. In some studies, beneficial functions were accompanied by plant protein intake, i.e., exhibiting intestinal anti-inflammatory effect and alleviating symptoms of intestinal disease. Nevertheless, additional points need to be addressed in further research: (1) It is important to study plant protein sources other than soybean protein. (2) Isolated plant proteins do not represent a plant-based diet because non-protein components in the food can affect how the protein is digested and its biological functions. (3) Human dietary trials are needed to provide more definitive evidence.
背景植物蛋白的使用近来大受欢迎,原因有很多,例如其潜在的健康益处、对环境的积极影响以及道德意义。本综述批判性地讨论了植物蛋白在胃肠道中的去向及其对调节肠道微生物群、肠道微生物代谢物(GMMs)的影响,以及它们对邻近上皮组织的潜在影响。主要发现和结论植物性食品中的蛋白质通常会导致进入大肠的氮增加。与动物源性蛋白质相比,这些底物在调节肠道微生物群和释放 GMMs 方面发挥着不同的作用。在一些研究中,摄入植物蛋白可产生有益的功能,即表现出肠道抗炎作用和缓解肠道疾病症状。然而,进一步的研究还需要注意以下几点:(1)研究大豆蛋白以外的植物蛋白来源非常重要。(2) 分离的植物蛋白并不代表以植物为基础的饮食,因为食物中的非蛋白质成分会影响蛋白质的消化方式及其生物功能。(3) 需要进行人体膳食试验,以提供更确切的证据。
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引用次数: 0
Protein-based grafting modification in the food industry: Technology, applications and prospects 食品工业中基于蛋白质的接枝改性:技术、应用和前景
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-19 DOI: 10.1016/j.tifs.2024.104751
Xuliang Wang , Zhuolin Liu , Xiaofang Liu , Wenya Ma , Li Li , Yifen Wang

Background

Proteins, as essential macromolecules in biological systems, offer versatile applications in the food industry due to their unique functional properties.

Scope and approach

This review explores protein grafting modifications—a method to enhance and diversify protein functionalities for food applications. Beginning with an overview of natural polymers and the structural diversity of proteins, the paper emphasizes their pivotal roles in food processing and packaging. Protein properties such as gelation, emulsification, and film-forming abilities are highlighted alongside their potential therapeutic benefits.

Key findings

The review focuses on various modification methods, including physical, chemical, and enzymatic approaches, with a particular emphasis on graft copolymerization. This method allows for the covalent attachment of functional materials onto protein structures, enhancing their stability and functionality. Examples include the use of proteins in food packaging films to improve barrier properties and extend shelf life.

Conclusions

The paper discusses recent advancements in graft modification techniques, exploring their implications for creating novel protein-based additives and coatings. Moreover, the review addresses current challenges and future prospects in the field, such as the need for further research into the safety and efficacy of grafted proteins in food applications. By providing a comprehensive overview of protein grafting in the food industry, this paper aims to stimulate further research and innovation in utilizing proteins for sustainable and functional food solutions.
背景蛋白质是生物系统中不可或缺的大分子,由于其独特的功能特性,在食品工业中有着广泛的应用。范围和方法本综述探讨了蛋白质接枝修饰--一种增强和丰富蛋白质功能以用于食品的方法。本文首先概述了天然聚合物和蛋白质结构的多样性,然后强调了它们在食品加工和包装中的关键作用。主要发现该综述重点介绍了各种改性方法,包括物理、化学和酶法,并特别强调了接枝共聚。这种方法可将功能材料共价连接到蛋白质结构上,从而增强其稳定性和功能性。本文讨论了接枝改性技术的最新进展,探讨了这些技术对创造新型蛋白质添加剂和涂层的影响。此外,综述还探讨了该领域当前面临的挑战和未来前景,例如需要进一步研究接枝蛋白质在食品应用中的安全性和有效性。本文全面概述了食品工业中的蛋白质接枝技术,旨在促进进一步研究和创新,将蛋白质用于可持续的功能性食品解决方案。
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引用次数: 0
Effects of microwave treatment on vegetable oil quality & biological activities 微波处理对植物油质量和生物活性的影响
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-19 DOI: 10.1016/j.tifs.2024.104748
Fuchun Chen , Ben Xu , Wenyu Cui , Yunfu Wang , Fachun Wan , Anwei Cheng

Background

The traditional roasting method has some disadvantages such as uneven heat transfer and long heating time, which will affect the quality and stability of oil. However, microwave (Mw) pretreatment has the characteristics of short processing time and low energy consumption, and there were many studied on Mw in the processing of vegetable oil.

Scope and approach

This review discusses the effects of Mw pretreatment on the various vegetable oils, including oil yield, physicochemical properties, minor lipid components and so on. The aim is to provide better support for the application of Mw in the vegetable oil industry, to align with contemporary processing principles of accuracy, moderation and health.

Key findings and conclusions

Mw enhances the extraction yield of oil, also effects on quality and biological activities of vegetable oils. An appropriate Mw pretreatment is beneficial for the production of minor lipid components, such as tocopherols, phenols, phytosterols, flavonoids, carotenoids; but no significant effect on the fatty acid compositions of oil. Correspondingly, oils exhibit good biological activity (such as antioxidant, anti-inflammation activity and oxidative stability) after Mw, which is mainly due to the increased formation of Maillard reaction products and dissolution of bioactive components. Furthermore, Mw heating can occur a series of reactions, which produces many aroma-active volatiles and improves the desired sensory characteristic.
背景传统的焙烧方法存在传热不均匀、加热时间长等缺点,会影响油的质量和稳定性。本综述讨论了微波预处理对各种植物油的影响,包括出油率、理化性质、次要脂质成分等。主要发现和结论Mw 能提高油的提取率,还能影响植物油的质量和生物活性。适当的 Mw 预处理有利于生产次要脂质成分,如生育酚、酚类、植物甾醇、类黄酮、类胡萝卜素;但对油的脂肪酸组成没有显著影响。相应地,油在经过 Mw 后会表现出良好的生物活性(如抗氧化、抗炎活性和氧化稳定性),这主要是由于 Maillard 反应产物的形成和生物活性成分的溶解增加。此外,Mw 加热可发生一系列反应,产生许多具有香气活性的挥发物,改善所需的感官特性。
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引用次数: 0
Mapping the landscape of listeriosis outbreaks (1998–2023): Trends, challenges, and regulatory responses in the United States 描绘李斯特菌病爆发的全貌(1998-2023 年):美国的趋势、挑战和监管对策
IF 15.1 1区 农林科学 Q1 FOOD SCIENCE & TECHNOLOGY Pub Date : 2024-10-19 DOI: 10.1016/j.tifs.2024.104750
Yuan Su, Andrew Liu, Mei-Jun Zhu

Background

Listeria monocytogenes contamination in foods poses significant public health risks and economic losses, causing listeriosis.

Scope and objective

This review synthesizes surveillance data on listeriosis outbreaks collected by food safety agencies in the United States during 1998–2023. It characterizes the shifting trends in implicated food categories, geographic distributions, and the evolution of related food regulations. Meta-analyses were conducted to delineate the death rate and hospitalization ratio of listeriosis outbreaks.

Key findings

Data retrieved 129 foodborne listeriosis outbreaks, resulting in 1517 illnesses, 1191 hospitalizations, and 217 deaths. The pooled death rate and hospitalization ratio was ∼14% and ∼79%, respectively, lower than previous reported. Fresh produce, dairy, and meat-poultry products were the primarily associated food vehicles. Notable trends were observed in the shifting dominance of major food categories over time, corresponding with regulatory measures implemented by U.S. food safety agencies in the same period, prompting research focuses on controlling L. monocytogenes in specific foods. L. monocytogenes contamination primarily occurred in food processing facilities. While U.S. states with larger populations, more elderly residents, and higher birth rates had a greater total illnesses, states with smaller populations had relatively higher infection rates.

Significance

This review provides insight into the key trends and characteristics of L. monocytogenes outbreaks in the U.S., contributing to a better understanding of foodborne listeriosis. It underscores the importance of ongoing research and collaborative efforts to mitigate L. monocytogenes contamination risks in foods.
背景食品中的单核细胞增生李斯特菌污染会造成严重的公共卫生风险和经济损失,导致李斯特菌病。范围和目标本综述综合了 1998-2023 年期间美国食品安全机构收集的李斯特菌病暴发的监测数据。它描述了受影响食品类别的变化趋势、地理分布以及相关食品法规的演变。主要研究结果数据检索出 129 起食源性李斯特菌病暴发,导致 1517 人患病、1191 人住院和 217 人死亡。综合死亡率和住院率分别为14%和79%,低于之前的报告。新鲜农产品、乳制品和肉禽产品是主要的相关食品载体。随着时间的推移,主要食品类别的主导地位出现了明显的变化趋势,这与同期美国食品安全机构实施的监管措施相吻合,促使人们将研究重点放在控制特定食品中的单增淋巴细胞上。单增李氏杆菌污染主要发生在食品加工设施中。美国人口较多、老年居民较多、出生率较高的州发病总数较多,而人口较少的州感染率相对较高。它强调了持续研究和共同努力降低单增李氏杆菌污染食品风险的重要性。
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Trends in Food Science & Technology
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