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The perspective of SMEs on the challenges of the circular economy in the 21st century Hungary 中小企业对21世纪匈牙利循环经济挑战的展望
Q3 Agricultural and Biological Sciences Pub Date : 2021-12-02 DOI: 10.1556/446.2021.00038
Csongor Bajn, Oczki
As the world is facing numerous global ecological issues at once, the question arises of what will help mitigate and solve contemporary matters related to resource management or climate change without devastating the economies. Fortunately, the widespread application of the circular economy would help countries worldwide simultaneously ensure economic growth without significant environmental deterioration, essentially decoupling the two factors. While Hungary’s contribution to environmental problems is not significant in absolute terms, the economic sector’s circular transition could help the country decrease its impact in relative terms and pave the path for a green economy. Nevertheless, companies, especially SMEs, tend to struggle the most with the initial phases of the shift thus it is crucial to assess the factors that prevent and support their transition.
随着世界同时面临众多全球生态问题,问题出现了,在不破坏经济的情况下,什么将有助于缓解和解决与资源管理或气候变化有关的当代问题。幸运的是,循环经济的广泛应用将有助于世界各国在不严重环境恶化的情况下同时确保经济增长,从根本上使这两个因素脱钩。虽然匈牙利对环境问题的贡献在绝对意义上并不显著,但经济部门的循环转型可以帮助该国减少相对影响,并为绿色经济铺平道路。然而,公司,尤其是中小企业,往往在转型的最初阶段最为艰难,因此评估阻碍和支持其转型的因素至关重要。
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引用次数: 5
In memory of Professor Dr. József Janik 纪念József Janik教授
Q3 Agricultural and Biological Sciences Pub Date : 2021-11-30 DOI: 10.1556/446.2021.22222
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引用次数: 0
Development and evaluation of potential functional food biscuits made from White Lupin 白罗苹有潜力的功能性食品饼干开发与评价
Q3 Agricultural and Biological Sciences Pub Date : 2021-11-25 DOI: 10.1556/446.2021.00036
C. Csutoras, Levente Girán, O. Hudák, L. Rácz
Potential functional food bakery products were developed and characterized based on White Lupin (Lupinus albus cv. Nelly) flour. Analytical properties of the seeds resemble to previously described Lupinus species, with significantly high protein content (45%). The high protein and dietetic fiber content of the seeds makes Lupin flour suitable to develop potential functional food products with high nutritional values. Results of the development of sweet biscuits and salty crackers enriched with Lupin flour are presented. Sensory evaluation of the bakery products was carried out by 15 panelists using the nine points hedonic scale. Heat stability of White Lupin proteins were investigated by gel-electrophoretic analysis, White Lupin proteins are quite stable at 140°C, after 35 min heating the biscuits still contain 69% of the original amount of proteins. Baking conditions were optimized also based on gel-electrophoretic experiments, the optimal baking time was 30 min at 140°C. Gluten-free Lupin-based biscuits and crackers were produced by completely omitting wheat flour from the recipes.
以白露宾(Lupinus albus cv.)为原料,开发了具有开发潜力的功能性食品烘焙产品。耐莉)面粉。种子的分析性质类似于先前描述的狼属物种,具有显着的高蛋白质含量(45%)。罗苹粉种子的高蛋白和膳食纤维含量使其适合开发具有高营养价值的功能性食品。介绍了添加卢平粉的甜饼干和咸饼干的研制成果。烘焙产品的感官评价是由15名小组成员使用9分快乐量表进行的。通过凝胶-电泳分析研究了白露苹蛋白的热稳定性,白露苹蛋白在140℃时相当稳定,加热35 min后饼干的蛋白质含量仍为原来的69%。在凝胶电泳实验的基础上对烘焙条件进行了优化,最佳烘焙时间为140℃下30 min。无麸质羽扇豆素饼干和薄脆饼干是通过从食谱中完全省略小麦粉来生产的。
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引用次数: 2
Technical aspects of the reconstruction of historic gardens 历史园林重建的技术问题
Q3 Agricultural and Biological Sciences Pub Date : 2021-11-19 DOI: 10.1556/446.2021.00031
Albert Fekete, S. Vajda
Built elements and structures are a prominent component of our historic gardens, both in terms of function and artistic composition and garden scenery. The surveys of historic garden structures are important research tasks, which also underpins and validates restoration work. In most cases, the neglected state of historic gardens and sites and the unavailable archival materials do not allow an authentic restoration of historic gardens to their original state. Nevertheless, there is a real need to reconstruct our historic gardens, based not only on historical authenticity but also on a systematic reinterpretation of the relationship between society and landscape. The objective of this article is to present a general methodology for renewal of historic gardens through examples of specific garden reconstructions. The case studies are the authors' own design works, which demonstrate the application of different design approaches, highlighting details of the reconstruction of specific built garden elements.
建筑元素和结构是我们历史园林的重要组成部分,无论是在功能、艺术构成还是园林景观方面。对历史园林结构的调查是重要的研究任务,也是修复工作的基础和验证。在大多数情况下,历史花园和遗址被忽视的状态以及无法获得的档案材料不允许将历史花园真正恢复到原始状态。然而,我们确实需要重建我们的历史花园,不仅要基于历史的真实性,还要基于对社会和景观之间关系的系统性重新解释。本文的目的是通过具体的花园重建实例,提出一种更新历史花园的一般方法。案例研究是作者自己的设计作品,展示了不同设计方法的应用,突出了特定建筑花园元素的重建细节。
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引用次数: 1
Adsorption and coagulation in wastewater treatment – Review 废水处理中的吸附与混凝研究进展
Q3 Agricultural and Biological Sciences Pub Date : 2021-11-19 DOI: 10.1556/446.2021.00029
H. Sukmana, Naoufal Bellahsen, Fernanda Pantoja, C. Hodúr
Wastewater issues became a complex challenge in the world. There are several methods in wastewater treatment, such as chemical, physical, biological, and the combination of each method. However, each process has advantages and disadvantages. The physicochemical methods are common methods used in wastewater treatment, such as adsorption and coagulation. Adsorption and coagulation are excellent methods to remove pollutants. The adsorption process is greatly influenced by pH, adsorbent dose, temperature, and contact time. Coagulant dose, settling time, and pH are the main factors in the coagulation process. Chemical material as an adsorbent and coagulant has been studied in previous research, but recently, to substitution chemical materials is a challenging subject. Natural substances are potential new materials in wastewater treatment and became popular due to their efficiency and environment friendly characteristics. This review investigated the role of adsorption and coagulation in wastewater treatment and the utilization of natural materials as adsorbents and coagulants.
废水问题已成为世界范围内的一项复杂挑战。废水处理有化学、物理、生物等几种方法,以及每种方法的结合。然而,每种工艺都有优点和缺点。物理化学法是废水处理中常用的方法,如吸附法和混凝法。吸附和混凝是去除污染物的优良方法。吸附过程受pH、吸附剂剂量、温度和接触时间的影响较大。混凝剂用量、沉淀时间和pH值是影响混凝过程的主要因素。化学材料作为吸附剂和混凝剂在以往的研究中得到了广泛的应用,但近年来,化学材料的替代是一个具有挑战性的课题。天然物质是废水处理中极具潜力的新材料,因其高效环保的特点而受到人们的青睐。本文综述了吸附和混凝在废水处理中的作用以及天然材料作为吸附剂和混凝剂的利用。
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引用次数: 23
Physical properties of raspberry and orange flavoured fruit syrups 树莓和橙子口味水果糖浆的物理特性
Q3 Agricultural and Biological Sciences Pub Date : 2021-09-15 DOI: 10.1556/446.2021.30018
A. Lambert-Meretei, E. Vozáry, T. Kaszab
In the case of fruit syrups, consumers prefer thicker, deep-coloured ones because they remind them of good old homemade ones. Physical properties – as viscosity, colour, refractive index, soluble solid content (SSC), and electrical impedance - of fruit syrups flavoured with raspberry or orange juice were determined. The change of the measured physical properties was determined in three different experiments: 1. evaluating the effect of sugar and sweetener content 2. evaluating the effect of fruit juice composition and 3. evaluating the effect of sugar content on syrups containing raspberry or orange juice only. Variations in fruit and sugar content had a definite effect on the physical properties of squashes. Viscosity, SSC value, refractive index, and impedance magnitude increased with increasing sugar content and decreased with replacement of sugar with sweeteners although colour characteristics were defined mostly by the colorant added to the squash. Changes in the fruit composition of syrups could influence viscosity, refractive index, and SSC values but the magnitude of impedance showed little changes for all samples. The characteristics of squashes containing only raspberry or orange juice and different sugar content did not follow any trends, which emphasized that additives had a significant effect on the physical properties.
就水果糖浆而言,消费者更喜欢粘稠、颜色深的糖浆,因为它们会让他们想起老式的自制糖浆。测定了树莓汁或橙汁调味的水果糖浆的物理性质,如粘度、颜色、折射率、可溶性固形物含量(SSC)和电阻抗。通过三个不同的实验来确定被测物性的变化:1。评价糖和甜味剂含量的影响评价果汁成分的影响;评估糖含量对只含覆盆子汁或橙汁的糖浆的影响。水果和糖含量的变化对南瓜的物理特性有一定的影响。粘度、SSC值、折射率和阻抗值随糖含量的增加而增加,随甜味剂的替代而降低,尽管颜色特征主要由添加到南瓜中的着色剂决定。糖浆果实组成的变化会影响黏度、折射率和SSC值,但所有样品的阻抗大小变化不大。仅含覆盆子汁和橙汁及不同含糖量的南瓜的特性没有遵循任何趋势,强调添加剂对其物理性能有显著影响。
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引用次数: 0
The applicability of Napping in the analysis of fermented foods and beverages – A review Napping在发酵食品和饮料分析中的适用性——综述
Q3 Agricultural and Biological Sciences Pub Date : 2021-09-15 DOI: 10.1556/446.2021.30014
Márton István, Z. Kókai
Napping is one of the rapid sensory profiling methods, which was established recently to meet the needs of sensory and consumer researchers. This approach provides a holistic evaluation of the tested sample through their positioning in a 2-dimensional space. The protocol of the analysis is somewhat different from the traditionally applied descriptive methods, like Quantitative Descriptive Analysis. In our review, we focus on the applicability of Napping in the field of fermented goods. The accompanying procedures are also investigated (typically Flash Profiling, CATA, and further methods), in order to understand how the combined datasets facilitate the understanding of the sensory characteristics of the products.
小睡是一种快速的感官分析方法,是最近为满足感官和消费者研究人员的需求而建立的。这种方法通过在二维空间中定位来提供对测试样本的整体评估。分析方案与传统的描述性方法(如定量描述性分析)有所不同。在我们的综述中,我们重点关注Napping在发酵制品领域的适用性。还研究了附带的程序(通常是Flash Profileing、CATA和其他方法),以了解组合数据集如何促进对产品感官特征的理解。
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引用次数: 0
Palm oil substitution in hazelnut spread 榛子酱中的棕榈油替代品
Q3 Agricultural and Biological Sciences Pub Date : 2021-09-15 DOI: 10.1556/446.2021.30013
Anikó Kovács, Lilla Körmendi, K. Kerti
One of the most important components in spreads is the fat phase. The characteristics of the used fat determine most of the quality factors of the products such as viscosity, texture, colour, shelf life, etc. In these kinds of products, the commonly used fat is palm fat, however, in recent years it has had a bad press due to its negative environmental impact and health concerns. Therefore, the aim of our research was to develop a palm oil free hazelnut spread. We investigated the effect of replacing the fat in the fat phase with milk fat or coconut fat to the apparent viscosity, colour and texture properties of the product. According to our results the palm fat had the highest and coconut fat had the lowest viscosity. In texture analyses palm fat and milk fat showed no significant difference in hardness and in work of penetration. Coconut fat was significantly different in every texture attributes from the other samples. In the case of colour measurement all samples were significantly different. Despite the observed differences in some parameters the suitability of milk fat for hazelnut spread production should be further investigated (sensory analyses, shelf-life).
涂抹中最重要的成分之一是脂肪相。使用过的脂肪的特性决定了产品的大部分质量因素,如粘度、质地、颜色、保质期等。在这类产品中,常用的脂肪是棕榈油,但近年来,由于其对环境的负面影响和健康问题,棕榈油受到了不好的报道。因此,我们研究的目的是开发一种不含棕榈油的榛子酱。我们研究了用乳脂或椰子油代替脂肪相中的脂肪对产品表观粘度、颜色和质地特性的影响。根据我们的结果,棕榈脂肪的粘度最高,椰子脂肪的粘度最低。在质地分析中,棕榈脂肪和乳脂在硬度和渗透功方面没有显著差异。椰子脂肪在每个纹理属性上都与其他样本有显著差异。在颜色测量的情况下,所有样本都有显著差异。尽管观察到一些参数存在差异,但应进一步研究乳脂是否适合榛子酱生产(感官分析、保质期)。
{"title":"Palm oil substitution in hazelnut spread","authors":"Anikó Kovács, Lilla Körmendi, K. Kerti","doi":"10.1556/446.2021.30013","DOIUrl":"https://doi.org/10.1556/446.2021.30013","url":null,"abstract":"One of the most important components in spreads is the fat phase. The characteristics of the used fat determine most of the quality factors of the products such as viscosity, texture, colour, shelf life, etc. In these kinds of products, the commonly used fat is palm fat, however, in recent years it has had a bad press due to its negative environmental impact and health concerns. Therefore, the aim of our research was to develop a palm oil free hazelnut spread. We investigated the effect of replacing the fat in the fat phase with milk fat or coconut fat to the apparent viscosity, colour and texture properties of the product. According to our results the palm fat had the highest and coconut fat had the lowest viscosity. In texture analyses palm fat and milk fat showed no significant difference in hardness and in work of penetration. Coconut fat was significantly different in every texture attributes from the other samples. In the case of colour measurement all samples were significantly different. Despite the observed differences in some parameters the suitability of milk fat for hazelnut spread production should be further investigated (sensory analyses, shelf-life).","PeriodicalId":20837,"journal":{"name":"Progress in Agricultural Engineering Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46207653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Study on the potential of chia gel usage as a natural fat substitute in cake formulation 奇亚凝胶在蛋糕配方中作为天然脂肪替代品的潜力研究
Q3 Agricultural and Biological Sciences Pub Date : 2021-09-15 DOI: 10.1556/446.2021.30015
D. Iserliyska, G. Zsivanovits, M. Marudova
In the current study, cakes were prepared with the addition of different levels of chia gel obtained by soaking 1 part of chia seeds in 9 parts of water by weight. Mix was allowed to stand for 30 min for gel formation and seeds were left in the gel and later incorporated into the batter. The addition of chia gel to cake batter to partially substitute the fat from the basic recipe (control) resulted both in improved quality characteristics at all levels of substitution and reduction of caloric value, at the expense of energy from fat, especially at higher reduction levels (40 and 60%). The fat replacement at 40 and 60% had a caloric value decrease by 48 kcal per 100 g compared to the control and respectively the energy at the expense of the fat was 37.9 and 25.7% (reduction by 71.3 and 48.3%). Sensory evaluation demonstrated good acceptability for all the products with slight prevail for the samples with 40% followed closer by those with 20% fat replacement. Hence, chia gel proved to be a good alternative for fat substitution in baking goods recipes while preserving the quality and sensory parameters aiming to produce healthier foods.
在目前的研究中,蛋糕是通过添加不同水平的奇亚胶来制备的,奇亚胶是通过将1份奇亚籽浸泡在9份重量的水中而获得的。混合物静置30分钟 分钟,然后将种子留在凝胶中,随后掺入面糊中。在蛋糕面糊中添加奇亚凝胶以部分替代基本配方(对照)中的脂肪,这既改善了所有替代水平下的质量特性,又降低了热量,同时牺牲了脂肪的能量,尤其是在更高的还原水平(40%和60%)下。40%和60%的脂肪替代物的热值降低了48 千卡/100 g,以脂肪为代价的能量分别为37.9%和25.7%(减少了71.3%和48.3%)。感官评估表明,所有产品都具有良好的可接受性,其中40%的样品略占优势,其次是20%的脂肪替代品。因此,chia凝胶被证明是烘焙食品配方中脂肪替代的良好替代品,同时保留了质量和感官参数,旨在生产更健康的食品。
{"title":"Study on the potential of chia gel usage as a natural fat substitute in cake formulation","authors":"D. Iserliyska, G. Zsivanovits, M. Marudova","doi":"10.1556/446.2021.30015","DOIUrl":"https://doi.org/10.1556/446.2021.30015","url":null,"abstract":"In the current study, cakes were prepared with the addition of different levels of chia gel obtained by soaking 1 part of chia seeds in 9 parts of water by weight. Mix was allowed to stand for 30 min for gel formation and seeds were left in the gel and later incorporated into the batter. The addition of chia gel to cake batter to partially substitute the fat from the basic recipe (control) resulted both in improved quality characteristics at all levels of substitution and reduction of caloric value, at the expense of energy from fat, especially at higher reduction levels (40 and 60%). The fat replacement at 40 and 60% had a caloric value decrease by 48 kcal per 100 g compared to the control and respectively the energy at the expense of the fat was 37.9 and 25.7% (reduction by 71.3 and 48.3%). Sensory evaluation demonstrated good acceptability for all the products with slight prevail for the samples with 40% followed closer by those with 20% fat replacement. Hence, chia gel proved to be a good alternative for fat substitution in baking goods recipes while preserving the quality and sensory parameters aiming to produce healthier foods.","PeriodicalId":20837,"journal":{"name":"Progress in Agricultural Engineering Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42861405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of wet-curing on physical properties and proteins of cured ham 湿法腌制对火腿物理特性及蛋白质的影响
Q3 Agricultural and Biological Sciences Pub Date : 2021-09-01 DOI: 10.1556/446.2021.30017
Anna Visy, K. Hidas, A. Barkó, L. Nguyen, L. Friedrich, G. Jónás
Consuming enough protein is a very important part of a balanced and healthy diet. Complete proteins are those in which all essential amino acids are present. In meat products, like hams, many different reactions occur during ageing and storage. For example, the production of free amino acids or the production of biogenic amines is formed by decarboxylation. In this study, the presence of these amino acids and biogenic amines, as well as the quality properties of cured hams during curing and ageing, were investigated.The meat samples were immersed into 100 g L−1 NaCl brine. The curing took 20 days, followed by smoking and ageing for 35 days (12 °C, 75% RH). The wet-cured ham samples were analysed for changes in NaCl concentration (at 3 parts: surface, core, bottom layer). Moreover, color, water activity, denaturation temperature and enthalpy (Differential Scanning Calorimetry), free amino acids (FAAs) and biogenic amines (BAs) were also evaluated.
摄入足够的蛋白质是均衡健康饮食的重要组成部分。完整蛋白质是指所有必需氨基酸都存在的蛋白质。在肉制品中,如火腿,在老化和储存过程中会发生许多不同的反应。例如,游离氨基酸的产生或生物胺的产生是通过脱羧形成的。在本研究中,研究了这些氨基酸和生物胺的存在,以及火腿在腌制和老化过程中的质量特性。将肉样品浸入100 g L−1 NaCl盐水。治疗需要20天,然后吸烟和老化35天(12 °C,75%相对湿度)。分析湿腌火腿样品的NaCl浓度变化(在3个部分:表面、核心、底层)。此外,还评估了颜色、水活性、变性温度和焓(差示扫描量热法)、游离氨基酸(FAAs)和生物胺(BA)。
{"title":"Effect of wet-curing on physical properties and proteins of cured ham","authors":"Anna Visy, K. Hidas, A. Barkó, L. Nguyen, L. Friedrich, G. Jónás","doi":"10.1556/446.2021.30017","DOIUrl":"https://doi.org/10.1556/446.2021.30017","url":null,"abstract":"Consuming enough protein is a very important part of a balanced and healthy diet. Complete proteins are those in which all essential amino acids are present. In meat products, like hams, many different reactions occur during ageing and storage. For example, the production of free amino acids or the production of biogenic amines is formed by decarboxylation. In this study, the presence of these amino acids and biogenic amines, as well as the quality properties of cured hams during curing and ageing, were investigated.The meat samples were immersed into 100 g L−1 NaCl brine. The curing took 20 days, followed by smoking and ageing for 35 days (12 °C, 75% RH). The wet-cured ham samples were analysed for changes in NaCl concentration (at 3 parts: surface, core, bottom layer). Moreover, color, water activity, denaturation temperature and enthalpy (Differential Scanning Calorimetry), free amino acids (FAAs) and biogenic amines (BAs) were also evaluated.","PeriodicalId":20837,"journal":{"name":"Progress in Agricultural Engineering Sciences","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44481659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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Progress in Agricultural Engineering Sciences
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