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Article
Publication date: 26 September 2023

Rossana Fernandes, Benyang Hu, Zhichao Wang, Zheng Zhang and Ali Y. Tamijani

This paper aims to assess the feasibility of additively manufactured wind tunnel models. The additively manufactured model was used to validate a computational framework allowing…

179

Abstract

Purpose

This paper aims to assess the feasibility of additively manufactured wind tunnel models. The additively manufactured model was used to validate a computational framework allowing the evaluation of the performance of five wing models.

Design/methodology/approach

An optimized fighter wing was additively manufactured and tested in a low-speed wind tunnel to obtain the aerodynamic coefficients and deflections at different speeds and angles of attack. The flexible wing model with optimized curvilinear spars and ribs was used to validate a finite element framework that was used to study the aeroelastic performance of five wing models. As a computationally efficient optimization method, homogenization-based topology optimization was used to generate four different lattice internal structures for the wing in this study. The efficiency of the spline-based optimization used for the spar-rib model and the lattice-based optimization used for the other four wings were compared.

Findings

The aerodynamic loads and displacements obtained experimentally and computationally were in good agreement, proving that additive manufacture can be used to create complex accurate models. The study also shows the efficiency of the homogenization-based topology optimization framework in generating designs with superior stiffness.

Originality/value

To the best of the authors’ knowledge, this is the first time a wing model with curvilinear spars and ribs was additively manufactured as a single piece and tested in a wind tunnel. This research also demonstrates the efficiency of homogenization-based topology optimization in generating enhanced models of different complexity.

Details

Rapid Prototyping Journal, vol. 30 no. 1
Type: Research Article
ISSN: 1355-2546

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Article
Publication date: 23 October 2024

Marina Padovan, Gaston Ares, Tailane Scapin, Mariana Vieira dos Santos Kraemer, Maria Cecília Cury Chaddad, Ana Carolina Fernandes, Greyce Luci Bernardo, Paula Lazzarin Uggioni, Simone Pettigrew and Rossana Pacheco da Costa Proença

The World Health Organization recommends limiting the intake of free sugars, which can be added to packaged foods and may appear on labels under different terms. The aim of this…

54

Abstract

Purpose

The World Health Organization recommends limiting the intake of free sugars, which can be added to packaged foods and may appear on labels under different terms. The aim of this research was to analyse the evidence related to the declaration of free sugars from fruits on packaged food labels.

Design/methodology/approach

A scoping review was conducted following the recommendations of the Joanna Briggs Institute (JBI).

Findings

Ten eligible studies, conducted in seven countries, were included in this review. The percentage of packaged foods in which free sugars were identified ranged from 52.5 to 86.5%. In three studies, terms related to sugars were identified inductively by reading the entire ingredient list, whereas in the other studies sugars were identified by searching for a list of predefined terms. Studies differed in the definition of sugars and the terms used to identify them. Nine studies included fruit sugars within the terms used to identify free sugars. However, they lacked consistency in the types of fruit sugars considered and did not discuss their agreement with the adopted definitions of sugars.

Originality/value

As far as can be ascertained, this is the first review that addresses the declaration of free sugars from fruits on packaged food labels. Overall, there is a scarcity of literature focused on identifying and discussing the range of free sugars from fruits declared on food labels.

Details

British Food Journal, vol. 126 no. 12
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 2 May 2017

Manuela Mika Jomori, Rossana Pacheco da Costa Proença, Maria Elena Echevarria-Guanilo, Greyce Luci Bernardo, Paula Lazzarin Uggioni and Ana Carolina Fernandes

The purpose of this paper is to describe the results of the construct validity by the known-groups method of a Brazilian cooking skills and healthy-eating questionnaire.

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Abstract

Purpose

The purpose of this paper is to describe the results of the construct validity by the known-groups method of a Brazilian cooking skills and healthy-eating questionnaire.

Design/methodology/approach

Responses obtained from university students (n=767) for Brazilian-Portuguese cooking skills and health eating questionnaire, surveyed online, were submitted to construct validity comparing two known groups. The t-test was used to compare differences between gender (male and female) and the level of cooking knowledge (high or low) in each measure of the questionnaire. Internal consistency was evaluated by obtaining the Cronbach’s coefficient.

Findings

Women showed significantly higher means than men in all scale measures, except in the self-efficacy for using basic cooking techniques (SECT), where no differences were found. Students classified as having high cooking knowledge and had higher score means in all scales compared to the students with low levels. Internal consistency was adequate for all scales (a>0.70), except for cooking attitude (CA) (a=0.33) and cooking behavior (CB) scales (a=0.59).

Research limitations/implications

SECT likely depends on cooking knowledge, independent of gender, suggesting further examination. Items and structure of CA and CB constructs also need to be examined more deeply.

Practical implications

A validated cooking skills and health-eating questionnaire demonstrated its ability to detect differences between groups, useful to provide data for further interventions.

Originality/value

No available cooking skills questionnaires were found that have been validated by the known-groups method regarding differences between gender and individuals’ level of cooking knowledge, as conducted in this study.

Details

British Food Journal, vol. 119 no. 5
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 3 April 2018

Renata Carvalho Oliveira, Ana Carolina Fernandes, Rossana Pacheco da Costa Proença, Heather Hartwell, Vanessa Mello Rodrigues, Claudia Flemming Colussi and Giovanna M.R. Fiates

The purpose of this paper is to examine the effects of different menu labelling formats on healthy food choices in a real restaurant setting.

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Abstract

Purpose

The purpose of this paper is to examine the effects of different menu labelling formats on healthy food choices in a real restaurant setting.

Design/methodology/approach

This cross-sectional, randomised and controlled parallel-group trial was conducted in Brazil in 2013. In total, 313 university students were randomly assigned to one of three parallel groups with different menu labelling formats. Of these, data from 233 students were analysed. The others did not attend and were excluded. Intervention Group 1 (n=88) received information in the form of a traffic light plus guideline daily amounts, while Intervention Group 2 (n=74) was presented with ingredients list plus highlighted symbols (IL+S). The control group (n=71) received a menu with no menu labelling. Data were collected on one weekday in a restaurant setting. Trial outcomes were assessed by healthy food choices.

Findings

Healthy food choices of students who received the menu showing IL+S were significantly higher when compared to the other groups. This same menu labelling format positively affected healthy food choices in women, not overweight participants and in participants who often ate out more than twice a week.

Originality/value

Menu labelling format presenting ingredients list and highlighted symbols was positively associated with healthy food choices among the university students in Brazil. This type of labelling could be adopted in future legislation on menu labelling in Brazil and around the world.

Details

British Food Journal, vol. 120 no. 4
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 3 January 2022

Ana Claudia Mazzonetto, Ana Carolina Fernandes, Aretusa Dias de Souza, Vanessa Mello Rodrigues, Tailane Scapin, Paula Lazzarin Uggioni, Marcela Boro Veiros, Greyce Luci Bernardo and Rossana Pacheco da Costa Proença

This study aimed to examine the perceptions and preferences of Brazilian adult consumers about four different front-of-pack (FOP) food labeling systems proposed by the Brazilian…

336

Abstract

Purpose

This study aimed to examine the perceptions and preferences of Brazilian adult consumers about four different front-of-pack (FOP) food labeling systems proposed by the Brazilian National Health Regulatory Agency.

Design/methodology/approach

This is a qualitative study conducted with 33 participants allocated in six focus groups. Four different types of FOP labels were displayed on processed and packaged bread: three interpretive warning labels (black triangle, black octagon and red ellipse) and a hybrid model (nutritional traffic light). Thematic analysis was used to identify the key topics addressed by participants.

Findings

Three topics were identified: label design, clarity and precision of information. The results demonstrated an influence of labels on product development and consumers' food choices. Most participants expressed a preference for black warning labels and reported the importance of statements endorsed by the Ministry of Health, which provide credibility and could influence food choices. Furthermore, participants agreed that the traffic light system provides more information but is difficult to interpret when comparing products. Warning labels were reported to have the greatest influence on purchase decisions. However, participants were concerned about how to understand the lack of warning labels on some products.

Practical implications

The results may help and support the Brazilian Health Regulatory Agency to identify and recommend the most effective FOP labeling system to be adopted in Brazil.

Originality/value

Few studies investigating adult consumers' perceptions of different FOP label formats have been conducted in the Brazilian context. Our study contributes to the small pool of evidence on the topic by demonstrating that FOP labels can be helpful for consumers when they are presented in an intuitive, interpretative and trustworthy format.

Details

British Food Journal, vol. 124 no. 11
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 15 January 2021

Thaís Peiter de Borba, Manoella Vieira da Silva, Manuela Mika Jomori, Greyce Luci Bernardo, Ana Carolina Fernandes, Rossana Pacheco da Costa Proença, Gabriele Rockenbach and Paula Lazzarin Uggioni

Self-efficacy in cooking and consuming fruits and vegetables is one of the dimensions that compose cooking skills. This cross-sectional study aimed to assess the self-efficacy of…

732

Abstract

Purpose

Self-efficacy in cooking and consuming fruits and vegetables is one of the dimensions that compose cooking skills. This cross-sectional study aimed to assess the self-efficacy of Brazilian university students in cooking and consuming fruits and vegetables and examine the relationship of self-efficacy with sociodemographic and lifestyle characteristics.

Design/methodology/approach

Data were collected through an online questionnaire, which was culturally adapted and validated for the studied population. Questions about self-efficacy for using basic cooking techniques (SECT), self-efficacy for using fruits, vegetables, and seasonings (SEFVS) and produce consumption self-efficacy (SEPC) were rated on a five-point Likert scale. Differences in median self-efficacy score between groups were compared using the Mann–Whitney U test or the Kruskal–Wallis test followed by the Mann–Whitney U test.

Findings

766 subjects participated in the study. The mean age was 21 ± 5.6 years, most respondents were female (60%), reported to know how to cook (72%), and lived with parents and/or grandparents (45%). The median SECT and SEFVS scores were 3.55, and the median SEPC score was 3.33. Female students, individuals aged more than 25 years, and students who did not live with their parents or grandparents had higher (p < 0.005) self-efficacy scores. Low SECT, SEFVS and SEPC scores were associated with having less than one hour a day to cook (p = 0.023, 0.01, and 0.002, respectively) and not knowing how to cook (p < 0.001). There was no relationship of median self-efficacy scores with source of knowledge about cooking skills or parental education.

Originality/value

The results of this study can guide interventions and public policies aimed at health promotion in the university setting.

Details

British Food Journal, vol. 123 no. 6
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 29 August 2023

Heather Hartwell, Jeff Bray, Natalia Lavrushkina, Jodie Lacey, Vanessa Mello Rodrigues, Ana Carolina Fernandes, Greyce Luci Bernardo, Suellen Secchi Martinelli, Suzi Barletto Cavalli and Rossana Pacheco da Costa Proença

Adequate vegetable consumption is fundamental to a healthy balanced diet; however, global compliance with recommendations is poor which is particularly important for young adults…

645

Abstract

Purpose

Adequate vegetable consumption is fundamental to a healthy balanced diet; however, global compliance with recommendations is poor which is particularly important for young adults as they form food consumption habits. There is a growing interest in the circular economy of hospitality and sustainability of current dietary patterns in light of climate change and an expanding global population. The food value chain needs to be considered both vertically and horizontally where the research and development (R&D) investment is optimised by being “joined up” and not fragmentary; in addition, consumer trade-offs of health vs for example sensory appeal are taken into consideration. The purpose of this study was to identify factors predicting acceptance of vegetable dishes by young adults and present a roadmap that can be used for dish development and healthful marketing.

Design/methodology/approach

This study used the health belief model (HBM) as framework to investigate key factors that encourage vegetable intake by young adults using an online questionnaire sample of 444 enrolled in undergraduate programs at universities in Brazil.

Findings

Structural modelling showed that vegetable consumption frequency was positively influenced by Health concerns, Naturalness and Self-efficacy (including cooking skills), whereas Sensory factors and Familiarity demonstrated a negative loading that might be related to unpleasantness.

Originality/value

Globally, there is a strong need to promote the consumption of vegetables as a public health policy priority but also to ameliorate barriers to action that could be facilitated by availability, dish development and healthful marketing in hospitality operations.

Details

British Food Journal, vol. 126 no. 1
Type: Research Article
ISSN: 0007-070X

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Article
Publication date: 4 July 2016

Waleska Nishida, Ana Carolina Fernandes, Marcela Boro Veiros, David Alejandro González Chica and Rossana Pacheco da Costa Proença

The purpose of this paper is to compare the sodium content displayed on the labels of conventional processed food products (C) and of those with nutrition claims suggesting the…

316

Abstract

Purpose

The purpose of this paper is to compare the sodium content displayed on the labels of conventional processed food products (C) and of those with nutrition claims suggesting the absence or reduced levels of nutrients (AR).

Design/methodology/approach

Cross-sectional study analyzing the ingredients list, nutrition facts and nutrition claims on food labels. Subjects: all processed food products with added salt or additives containing sodium that were for sale in a large supermarket in Brazil from October to December 2011.

Findings

All 3,449 products were analyzed and categorized into 66 groups according to Brazilian legislation. The median of sodium content in the AR was 42.7 percent higher than in the C (p=0.007). In 33.3 percent of the groups there was difference in sodium content between AR and C (p < 0.05) and in 68.2 percent of these the sodium content was higher in AR. The variation range of sodium in products from the same group reached 2,905.0 mg in C and 1,712.0 mg in AR. Even when the median of sodium was lower in the AR, the minimum sodium values were lower in the C.

Originality/value

Comparisons of sodium content of conventional and AR processed food are scarce in the literature, especially covering all food for sale in a large supermarket. To the best of the knowledge, this is the first census making this comparisons in Latin America.

Details

British Food Journal, vol. 118 no. 7
Type: Research Article
ISSN: 0007-070X

Keywords

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Book part
Publication date: 11 December 2023

Antonio Davola and Gianclaudio Malgieri

The attempt to establish a common European framework for core platforms' duties and responsibilities toward other actors in the digital environment is at the core of the recent…

Abstract

The attempt to establish a common European framework for core platforms' duties and responsibilities toward other actors in the digital environment is at the core of the recent scholarly debate surrounding the Digital Markets Act (DMA) proposal. In particular, the everlasting juxtaposition between the “data power” – as emerging from recent cases (Section 2) – that dominant tech companies enjoy and the concept of consumer sovereignty (Section 3) lies at the core of the proposal's attempt to identify digital core platforms as market gatekeepers. Accordingly, this chapter critically investigates the divide between power imbalance and consumer sovereignty in light of the architecture designed by the DMA, with a specific focus on its effectiveness in identifying gatekeepers' power drivers (Section 4). After highlighting the main critical aspects of the pertinent rules, opportunities for fruitful developments are then identified through the reframing of some of the notions considered in the proposal, and namely the role of “lock-in” effects and “data accumulation” (Section 5). Lastly, this chapter suggests that the DMA advancements – while desirable – are bound to be fragmentary in the absence of a wider appraisal of the nature of data power imbalance dynamics in the modern digital markets (Section 6).

Details

The Economics and Regulation of Digital Markets
Type: Book
ISBN: 978-1-83797-643-0

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Article
Publication date: 11 June 2018

Joana M. Gonçalves, Fernando A.F. Ferreira, João J.M. Ferreira and Luís M.C. Farinha

Small- and medium-sized enterprises (SMEs) have become increasingly important in national and international markets because they contribute to the development of local and…

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Abstract

Purpose

Small- and medium-sized enterprises (SMEs) have become increasingly important in national and international markets because they contribute to the development of local and national economies. SMEs often face serious challenges when competing with multinational companies. The purpose of this paper is to develop a method for assessing SMEs’ competitiveness.

Design/methodology/approach

Based on a constructivist epistemology, this study makes an integrated use of cognitive mapping and the measuring attractiveness by a categorical-based evaluation technique (MACBETH). To this end, face-to-face sessions were conducted with a panel of entrepreneurs and senior managers who deal with the challenges of maintaining SME competitiveness every day. The proposed assessment system was tested and validated by the panel members.

Findings

The methodological processes adopted in this study provide promising results for decision makers seeking to identify the most competitive SMEs. Specifically, the results emphasize, among other points, the importance of innovation and the human dimension to gaining competitive advantages.

Research limitations/implications

The evaluation system developed in this study is extremely versatile and confirms the usefulness of integrating cognitive mapping and MACBETH to facilitate evaluations of SME competitiveness. However, due to its idiosyncratic and process-oriented nature, generalizations need to be done with caution.

Practical implications

The proposed method can be valuable to researchers seeking to develop mechanisms for evaluating SMEs’ entrepreneurial performance and include specialized know-how and sensemaking in organizational decision-making processes.

Originality/value

The integrated use of cognitive maps and MACBETH contributes to a better understanding of how to assess SMEs’ competitiveness. No prior work reporting the use of this dual methodology in this study context has been found.

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