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Percorrer por autor "Bartkiene, Elena"

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  • Are Consumers Aware of Sustainability Aspects Related to Edible Insects? Results from a Study Involving 14 Countries
    Publication . Guiné, Raquel P. F.; Florença, Sofia De Guiné E; Anjos, Ofélia; Boustani, Nada M.; Chuck-Hernández, Cristina; Sarić, Marijana Matek; Ferreira, Manuela; Costa, Cristina Amaro Da; Bartkiene, Elena; Cardoso, Ana Paula; Tarcea, Monica; Correia, Paula; Campos, Sofia; Papageorgiou, Maria; Camino, Daniel Abarquero; Korzeniowska, Malgorzata; Černelič-Bizjak, Maša; Kruma, Zanda; Damarli, Emel; Ferreira, Vanessa; Djekic, Ilija
    In recent years, edible insects have been suggested as an alternative food that is more sustainable compared with other sources of animal protein. However, knowledge about the sustainability aspects associated with this source of food may play a role in convincing consumers to adopt insects as part of their diet. In this context, the present study investigated the level of knowledge about the sustainability of edible insects in a group of people originating from 14 countries, with some naturally entomophagous and others not. To measure the knowledge, 11 items were selected and the scores obtained were tested with statistical tools (t-test for independent samples, analysis of variance—ANOVA) to search for differences according to sociodemographic and socioeconomic characteristics, geographical origin, and consumption habits of edible insects. The obtained results showed that, in general, knowledge is moderate, with the values of the average scores for the 11 items investigated ranging from 0.23 ± 0.99 to 0.66 ± 1.02, on a scale ranging from –2 (=very low knowledge) to 2 (=very high knowledge). The highest scores were found for items relating to the lower use of animal feed and lower emission of greenhouse gases required for the production of insects compared with beef. When investigating the differences between groups of participants, significant differences were generally found, revealing a trend for higher knowledge among males and young adults, for participants residing in urban areas and in countries such as Spain, Mexico, and Poland, and for participants with higher education levels and higher incomes. When testing the influence of consumption variables on the level of knowledge, the results showed a higher knowledge for participants who had already consumed insects or are willing to consume them. Finally, it was observed that higher knowledge was found for participants whose motivation to consume insects related to curiosity, a wish to preserve the planet, the gastronomic characteristics of insects, and their nutritional value. In conclusion, these results clearly indicate a very marked influence of a number of variables on the knowledge about the sustainability of edible insects, and this may be helpful to delineate strategies to effectively raise knowledge and eventually increase the willingness to consider insects as a more sustainable alternative to partially replace other protein foods, even in countries where this is a not a traditional practice.
    2022Artigo científico Acesso aberto Ver mais
  • Characterisation of Lacto-Fermented Cricket (Acheta domesticus) Flour and Its Influence on the Quality Parameters and Acrylamide Formation in Wheat Biscuits
    Publication . Bartkiene, Elena; Zokaityte, Egle; Kentra, Evaldas; Starkute, Vytaute; Klupsaite, Dovile; Mockus, Ernestas; Zokaityte, Gintare; Cernauskas, Darius; Rocha, João Miguel; Guiné, Raquel
    The aim of this study was to evaluate the influence of different amounts (40, 80 and 100 g) of non-fermented and fermented (with Lactiplantibacillus plantarum No. 122 and Lacticaseibacillus casei No. 210) cricket flour (Cr) on the quality characteristics and acrylamide formation in wheat biscuits (WB). The main formula for WB preparation consisted of 280 g of wheat flour, 100 g of margarine, 50 g of saccharose, 3 g of vanilla sugar, 50 g of eggs, 1.5 g of salt and 2.0 g of baking powder. It was established that the highest lactic acid bacteria (LAB) number was achieved in 48 h with No. 122 fermented Cr (11.8 log10 CFU/g) and the lowest pH (4.34) was obtained after 48 h of Cr fermentation with both the tested LAB strains. The total colour differences were in the range of 17.54 to 22.08 and, in every case, fermented samples were clearly distinguished from untreated ones. Fermentation increased tyramine content in Cr (from 13.0 to 29.2 times). The main FAs in Cr were palmitic acid, stearic acid, octadec-9-enoic acid and linoleic acid. The lowest acrylamide content (84.1 µg/kg) was found in WB with 40 g of Cr fermented with No. 210. Significant differences in WB overall acceptability were not found. However, the highest intensity of emotion “happy” was elicited by WB with 80 g of Cr fermented with No. 122. Due to the demonstrated decrease of acrylamide content, fermented Cr can be considered a beneficial ingredient for the manufacture of WB.
    2023Artigo científico Acesso aberto Ver mais
  • Characteristics of Nutraceutical Chewing Candy Formulations Based on Fermented Milk Permeate, Psyllium Husk, and Apple By-Products
    Publication . Zokaityte, Egle; Siriakovaite, Karolina; Starkute, Vytaute; Zavistanaviciute, Paulina; Lele, Vita; Mozuriene, Erika; Klupsaite, Dovile; Viskelis, Pranas; Ruibys, Romas; Guiné, Raquel; Bartkiene, Elena
    The aim of this study was to develop nutraceutical chewing candy (CCN) formulations based on fermented milk permeate (MP) (source of galactooligosaccharides (GOS) and viable lactic acid bacteria (LAB)), psyllium husk (source of desirable hydrocolloids), and apple by-products (source of phenolic compounds). For CCN preparation, gelatin (Gel) and agar were tested; also, to provide CCN prepared using agar with a desirable hard texture, citric acid (cit) was changed to ascorbic acid. To select the optimal quantities of the ingredients, overall acceptability (OA) and emotions (EMs) induced in consumers by different CCN formulations were evaluated. Furthermore, viable LAB count during storage, texture, colour, and antioxidant characteristics were analysed. The highest OA (score 8.5) was shown for samples consisting of MP, psyllium husk (Ph), apple by-products (App), cit and xylitol (Xy); a very strong correlation was found between OA and the EM “happy” (r = 0.907**). After 14 days of storage, Gel+MP+Ph+App+cit samples showed a LAB count higher than 6.0 log10 CFU g−1; however, better antioxidant properties were found for the CCN prepared with agar. Finally, it can be stated that fermented MP, Ph, and App can be used for preparation of added-value CCN in a sustainable manner, and the recommended formulation is Gel+ MP+Ph+App+cit+Xy.
    2021Artigo científico Acesso aberto Ver mais
  • Consumers’ Perceptions about Edible Insects’ Nutritional Value and Health Effects: Study Involving 14 Countries
    Publication . Guiné, Raquel; Florença, Sofia De Guiné E; Costa, Cristina Amaro Da; Correia, Paula; Boustani, Nada M.; Matran, Irina; Jakšić, Krešimir; Chuck-Hernández, Cristina; Bartkiene, Elena; Djekic, Ilija; Papageorgiou, Maria; Arias, Leticia G.; Korzeniowska, Malgorzata; Černelič-Bizjak, Maša; Klava, Dace; Ferreira, Vanessa; Damarli, Emel; Ferreira, Manuela
    Download PDFsettingsOrder Article Reprints This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessFeature PaperArticle Consumers’ Perceptions about Edible Insects’ Nutritional Value and Health Effects: Study Involving 14 Countries by Raquel P. F. Guiné 1,*ORCID,Sofia G. Florença 1ORCID,Cristina A. Costa 1ORCID,Paula M. R. Correia 1ORCID,Nada M. Boustani 2ORCID,Irina Matran 3ORCID,Krešimir Jakšić 4ORCID,Cristina Chuck-Hernández 5ORCID,Elena Bartkiene 6ORCID,Ilija Djekic 7ORCID,Maria Papageorgiou 8ORCID,Leticia G. Arias 9ORCID,Malgorzata Korzeniowska 10ORCID,Maša Černelič-Bizjak 11ORCID,Dace Klava 12ORCID,Vanessa Ferreira 13ORCID,Emel Damarli 14ORCID andManuela Ferreira 15ORCID 1 CERNAS-IPV Research Centre, Polytechnic University of Viseu, 3504-510 Viseu, Portugal 2 Faculty of Business and Administration, Saint Joseph University, Beirut 1104 2020, Lebanon 3 Department of Community Nutrition and Food Safety, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 540139 Targu Mures, Romania 4 Department of Psychology, University of Zadar, 23000 Zadar, Croatia 5 Tecnologico de Monterrey, The Institute for Obesity Research, Monterrey 64849, Mexico 6 Department of Food Safety and Quality, Lithuanian University of Health Sciences, LT-47181 Kaunas, Lithuania 7 Department of Food Safety and Quality Management, Faculty of Agriculture, University of Belgrade, 11000 Belgrade, Serbia 8 Department of Food Science and Technology, International Hellenic University, 57001 Thessaloniki, Greece 9 BALAT Research Group, Faculty of Veterinary Medicine, University of León, 24071 León, Spain 10 Faculty of Food Science, Wroclaw University of Environmental and Life Sciences, 51-630 Wrocław, Poland add Show full affiliation list * Author to whom correspondence should be addressed. Animals 2024, 14(11), 1631; https://doi.org/10.3390/ani14111631 Submission received: 6 May 2024 / Revised: 25 May 2024 / Accepted: 29 May 2024 / Published: 30 May 2024 Downloadkeyboard_arrow_down Versions Notes Simple Summary Climate change is one of the drivers of change towards sustainable food systems food security. Therefore, food security is a priority all around the world and across different sectors of society. Edible insects are recommended as a sustainable source of food of animal origin, but their acceptance is very diverse across cultures and countries. Therefore, our work investigated the perceptions of consumers about edible insects in 14 countries. We concluded that depending on origin, the level of knowledge is different, which is a starting point to design more focused campaigns to promote EIs, not only in non-insect-eating countries, but also in insect-eating countries. Better knowledge about the health effects of EIs and their nutritive value is a driver of change. Abstract Insects have been consumed for time immemorial in many regions of the globe. However, in other parts, they are not traditionally eaten. Because they are a more sustainable source of animal protein and provide valuable nutrients as well as bioactive compounds with beneficial effects on the human body, their consumption is encouraged. Knowledge can serve as a tool for better acceptance of insects as food. In this context, the present work investigated the knowledge about the nutritional value and health effects of edible insects in different countries. Data were collected by employing a questionnaire survey translated into the different languages of all participating countries and were treated using statistical tools. A total of 7222 responses were obtained. The results indicated that for many issues, the participants manifested a neutral opinion (neither agree nor disagree), but the participants who manifested agreement/disagreement were generally well informed. They were also able to identify untrue facts and answer accordingly by disagreeing. Factor analysis showed four groups of questions: nutritive value, negative perception and risks, safety and benefits of insects and contamination and harmful components. Finally, significant differences were observed according to the sociodemographic variables studies (sex, age, education, living environment and country), with age and country being the most influential of the sociodemographic factors on knowledge. Therefore, increasing knowledge is envisaged as an essential factor in augmenting the recognition of edible insects as a nutritional food, presenting health benefits apart from being a more sustainable source of animal protein when compared with beef or pork meats.
    2024Artigo científico Acesso aberto Ver mais
  • Crickets (Acheta domesticus) as Wheat Bread Ingredient: Influence on Bread Quality and Safety Characteristics
    Publication . Bartkiene, Elena; Zokaityte, Egle; Starkute, Vytaute; Zokaityte, Gintare; Kaminskaite, Aura; Mockus, Ernestas; Klupsaite, Dovile; Cernauskas, Darius; Rocha, João Miguel; Özogul, Fatih; Guiné, Raquel P. F.
    The aim of this study was to assess respondents’ opinions on the choice of edible insects as a food, and to evaluate the influence of cricket flour (ECF) (10, 20, 30%) on the quality of wheat bread (WB). Whereas ECF is an additional source of acrylamide precursors, in order to reduce acrylamide formation in WB, fermentation of ECF with Lactiplantibacillus plantarum-No.122 was applied. It was established that 70.7% of the respondents had never eaten insects and more than 30% would not choose them. However, ECF was suitable substrate for fermentation (lactobacilli count 8.24 log10CFU/g, pH-4.26). In addition, fermentation reduced the total biogenic amines content in ECF (by 13.1%). The highest specific volume showed WB, prepared with fermented ECF (10, 20, 30%). All the tested WB showed similar overall acceptability (on average, 7.9 points). However, the highest intensity of emotion “happy” was induced by the WB, prepared with fermented ECF. Most of the WB with non-treated and fermented ECF showed higher acrylamide concentration (except WB with 10% of fermented ECF), in comparison with the control. Finally, fermentation is recommended for ECF inclusion in the main WB formula because fermentation improves not only quality but also reduces acrylamide concentration in WB.
    2023Artigo científico Acesso aberto Ver mais
  • Cultural dimensions associated with food choice: A survey based multi-country study
    Publication . Djekic, Ilija; Bartkiene, Elena; Szűcs, Viktória; Tarcea, Monica; Klarin, Ivo; Černelić-Bizjak, Maša; Isoldi, Kathy; EL-Kenawy, Ayman; Ferreira, Vanessa; Klava, Dace; Korzeniowska, Małgorzata; Vittadini, Elena; Leal, Marcela; Frez-Muñoz, Lucia; Papageorgiou, Maria; Guiné, Raquel
    The aim of this research was to analyze motivations behind food choices from a cross-cultural perspective. It presents results derived from a multi-country study associated with Hofstede's cultural dimensions. A total of 11,919 respondents from 16 countries took part in this research. Two groups of statements were included in the survey: ‘economic & availability motivations' and ‘social & cultural motivations'. Six Hofstede's cultural dimensions covered: Power Distance Index, Individualism–Collectivism Index, Masculinity–Femininity Index, Uncertainty Avoidance Index, Term Orientation Index and Indulgence Restraint Index. This study confirmed that different cultural aspects have influence on food choice. A cluster analysis revealed two clusters as follows: ‘attitudinal’ cluster comprising of 11 countries (57.7% % of the total sample) opposed to the ‘ambivalent’ cluster (47.3%) consisting of the remaining five countries. The results confirm a correlation between Hofstede's dimensions, specifically with individualistic, feminine and tolerant societies. Obtained results may be of interest for different food and gastronomy stakeholders shifting their food policies from a local to a cross-cultural perspective.
    2021Artigo científico Acesso restrito Ver mais
  • Determinants of economic motivations for food choice: insights for the understanding of consumer behaviour
    Publication . Martinho, Vítor; Bartkiene, Elena; Djekic, Ilija; Tarcea, Monica; Barić, Irena Colić; Černelič-Bizjak, Maša; Szűcs, Viktória; Sarcona, Alessandra; El-Kenawy, Ayman; Ferreira, Vanessa; Klava, Dace; Korzeniowska, Małgorzata; Vittadini, Elena; Leal, Marcela; Bolhuis, Dieuwerke; Papageorgiou, Maria; Guiné, Raquel P. F.
    Food consumption involves several dimensions, being some of them directly associated with the consumers’ characteristics. The interrelationships between these domains impact consumer behaviour for food choice and the consequent decisions for food consumption. In these frameworks, economic motivations are determinant. On the other hand, the scientific literature highlights that the economic-based stimuli to choose food is still underexplored. In this perspective, the objective of this study was to assess the main sociodemographic and anthropometric determinants of the economic motivations for food choice. For that, a questionnaire survey was carried out involving 11,919 respondents from 16 countries. A validated questionnaire was used, translated into the native languages in all participating countries, using a back-translation process. First, the information obtained was assessed through factor analysis to reduce the number of variables associated with the economic motivations and to identify indexes. After, and considering the indexes obtained as dependent variables, a classification and regression tree analysis was performed. As main insights, it is highlighted that the main determinants of the economic motivations are country of residence, age, gender, civil state, professional activity, educational level, living environment, responsibility for buying food, weight, height, body mass index, healthy diets and physical exercise practices. Additionally, the results also reveal that economic motivations may be associated with two indexes, one related to convenience attitudes and the other to quality concerns. Finally, the younger persons and the women are the social groups more concerned with healthy diets and food quality. In conclusion, this work confirmed that food choice is to a high extent influenced by several sociodemographic and behavioural factors.
    2021Artigo científico Acesso restrito Ver mais
  • Drying of Aromatic Plants: Processes and Effects
    Publication . Silva, Aida; Barroca, Maria João; Florença, Sofia De Guiné E; Bartkiene, Elena; Castelão, David; Guiné, Raquel
    Aromatic plants have been used since ancient times, and traditionally they have been preserved through drying in order to extend their shelf life. The oldest way to dry foods, also applied to aromatic plants and medicinal herbs, was sun drying in open air. However, due to the development of industrial processing technologies, the drying methods evolved and in the present, modern technologies are used as a way to efficiently obtain the products while at the same time looking for the highest possible quality, i.e., preserving the aroma compounds (mostly highly volatile molecules) and also the possible bioactive molecules which provide additional value to the aromatic plants. In fact, there is a thin line between the aromatic plants and the medicinal herbs, which in many cases refer to the same plant. In view of this, the present chapter aims to address the drying procedures and corresponding operational conditions and their effects on the quality of dried aromatic plants.
    2022Capítulo de livro Acesso aberto Ver mais
  • Edible Insects: Consumption, Perceptions, Culture and Tradition Among Adult Citizens from 14 Countries
    Publication . Guiné, Raquel; Florença, Sofia De Guiné E; Costa, Cristina Amaro Da; Correia, Paula; Cruz-Lopes, Luísa; Esteves, Bruno; Ferreira, Manuela; Fragata, Anabela; Cardoso, Ana Paula; Campos, Sofia; Anjos, Ofélia; Boustani, Nada M.; Bartkiene, Elena; Chuck-Hernández, Cristina; Djekic, Ilija; Tarcea, Monica; Sarić, Marijana Matek; Kruma, Zanda; Korzeniowska, Malgorzata; Papageorgiou, Maria; Árias, Leticia González; Černelič-Bizjak, Maša; Damarli, Emel; Ferreira, Vanessa; Bayraktaroğlu, Emre; Arpa, Fatmanur Ozyurek
    Although edible insects (EIs) are encouraged as a sustainable source of protein, their consumption is not as generalised as other types of food that are internationally accepted. While in some regions of the world, EIs are part of the gastronomic and cultural traditions, in other regions, people are not so receptive to this type of food, and some people even express some disgust towards it. Hence, this research focused on the habits of the participants regarding the consumption of insects as well as their perceptions about EIs being or not a part of the local culture or gastronomic patrimony. A questionnaire survey was implemented in fourteen countries (Brazil, Croatia, Greece, Latvia, Lebanon, Lithuania, Mexico, Poland, Portugal, Romania, Serbia, Slovenia, Spain, and Turkey), and globally, 7222 adult participants responded to the questionnaire. SPSS software (version 28) was used to process the data and carry out chi-square tests and Factor Analyses (FA). The obtained results showed significant differences between countries for all the questions included in the survey, either those regarding the habits of the participants or their opinions about the facts linked with EI tradition or cultural aspects. It was found that participants from Mexico consume EIs more than in all other countries and that strong motivations that would lead to consumption among those who do not consume include curiosity and food shortage. The solution obtained with FA considering the ten statements of the scale consisted of two factors: F1—Culture and Tradition of EIs (α = 0.675) and F2—Acceptance of EIs (α = 0.614). In conclusion, the consumption of EIs and the perceptions of people are highly variable according to geographic location and cultural environment.
    2024Artigo científico Acesso aberto Ver mais
  • Edible Insects: Perceptions of Marketing, Economic, and Social Aspects among Citizens of Different Countries
    Publication . Guiné, Raquel; Florença, Sofia De Guiné E; Costa, Cristina Amaro Da; Correia, Paula; Cruz-Lopes, Luísa; Esteves, Bruno; Ferreira, Manuela; Fragata, Anabela; Cardoso, Ana Paula; Campos, Sofia; Anjos, Ofélia; Bartkiene, Elena; Djekic, Ilija; Matran, Irina M.; Čulin, Jelena; Klava, Dace; Chuck-Hernández, Cristina; Korzeniowska, Malgorzata; Boustani, Nada M.; Papageorgiou, Maria; Gutiérrez, Bernardo Prieto; Černelič-Bizjak, Maša; Damarli, Emel; Ferreira, Vanessa
    Because edible insects (EI) have been, in recent years, recommended as a nutritious animal protein food with enormous environmental advantages over other sources of animal protein for human consumption, studies aimed at investigating the consumer perspective have become more prominent. Hence, this study intended to examine the perceptions of participants from different countries about the commercialization and economic and social impacts of edible insects. The study was made using a questionnaire survey, and data were collected in Brazil, Croatia, Greece, Latvia, Lebanon, Lithuania, Mexico, Poland, Portugal, Romania, Serbia, Slovenia, Spain, and Turkey. The final number of received answers was 7222 participants. For the treatment of the results, different statistical techniques were used: factor analysis, internal reliability by Cronbach’s alpha, cluster analysis, ANOVA to test differences between groups, and Chi-square tests. The results obtained confirmed the validity of the scale, constituted by 12 out of the 14 items initially considered, distributed by 4 factors: the first related to the economic impact of EIs, the second related to the motivation for consumption of EIs, the third related to the places of purchase of EIs, and the fourth corresponding to a question presented to the participants as a false statement. A cluster analysis allowed identifying three clusters, with significant differences between them according to all the sociodemographic variables tested. Also, it was found that the participants expressed an exceptionally high level of agreement with aspects such as the difficulty in finding EIs on sale, knowledge acting as a strong motivator for EI consumption, and the role of personalities and influencers in increasing the will to consume EIs. Finally, practically all sociodemographic variables were found to be significantly associated with perceptions (country, sex, education, living environment, and income), but not age. In conclusion, the perceptions about EI commercialization were investigated and revealed differences among samples originating from different countries. Moreover, the sociodemographic characteristics of the participants were found to be strongly associated with their perceptions.
    2023Artigo científico Acesso aberto Ver mais