Food Perception Research Articles

Street Venders' Food Safety Knowledge, Attitudes and Practices and Consumers' Preference About Street Food Marketing in Chennai City

Purpose-The purpose of a study on "Street Vendors' Food Safety Knowledge, Attitudes, and Practices and Consumers' Preference About Street Food Marketing" typically revolves around several key objectives.The study would typically aim to inform public health efforts, regulatory policies, and the support structures needed for street vendors to improve food safety while meeting consumer demand. Design/methodology/approach-This study adopts a descriptive cross-sectional design to gather information on the current knowledge, attitudes, and practices of street vendors related to food safety. It also examines consumer preferences regarding street food marketing and their perceptions of food safety.This study adopts a descriptive cross-sectional design to gather information on the current knowledge, attitudes, and practices of street vendors related to food safety.A sample of approximately 150 street vendors and 150 consumers will be targeted for this study, providing a representative overview of the practices and preferences in Chennai’s Street food sector. Findings-Food Safety Knowledge Gaps: Many street vendors in Chennai have limited formal knowledge about food safety, with gaps in understanding key areas such as personal hygiene, food handling, and the risks of cross-contamination.Inconsistent Attitudes and Practices: Vendors generally express positive attitudes toward maintaining hygiene, understanding its importance for consumer health and business success. Originality/value-Underserved Research Area: Street food vending is a significant part of the informal economy, particularly in developing regions, but often lacks sufficient formal research. This study explores an area where academic and policy-focused research may be limited, making it a fresh and critical investigation. Focus on Food Safety in Informal Settings: While food safety is well-documented in formal food industries, there is less research on how informal vendors manage food safety. This study provides original insights into how these vendors understand and practice food safety without formal training or resources.

Create the future of food with children: Qualitative insights into children’s perception of plant-based meat, fish, and dairy alternatives

Children’s food preferences are a major influence on what is served for dinner in the household. However, little is known about children’s perceptions of plant-based foods. This study aimed to better understand how 9-to-11-year-old children perceive plant-based meat and dairy alternatives. Different types of plant-based alternatives were investigated: meat and fish substitutes (legumes, nuts), replacements (tofu, tempeh), and analogues, as well as dairy substitutes. These alternatives were placed in a meal context, considering the influence of dish composition. The study combined design probes, interviews, and cooking sessions as different qualitative methods to explore children’s perceptions. First, design probe packages with creative assignments were given to the children. Afterwards, one-to-one interviews were conducted to elaborate on the input gained from the assignments. Lastly, children created in small groups a pizza with plant-based alternatives. Results showed that taste was the topic mentioned most in both positive and negative ways. Initially, children generally had positive taste expectations for the analogues, while their taste expectations for substitutes and replacements were more negative. However, during the cooking session, there was no considerable difference in their actual taste perceptions of analogues, substitutes, and replacements. This highlights the importance of studying perceptions of plant-based alternatives in a real-life meal context, where substitutes and replacements can, next to analogues, also be an integral part of a meal. Although previous research shows that animal welfare is an important driver for children to choose plant-based alternatives, this study showed that animal welfare is linked to plant-based meat analogues only. Therefore, actively linking animal welfare to substitutes and replacements may help to guide children and their households towards a plant-forward diet with more plant-based ingredients such as vegetables, legumes, and grains.

Measuring palatability of pet food products: Sensory components, evaluations, challenges, and opportunities.

The pet food industry is a growing business launching a variety of new products in the market. The acceptability or preference of pet food samples has traditionally been measured using either one-bowl or two-bowl tests. Academic researchers and professionals in the pet food industry have explored other methods, including the cognitive palatability assessment protocols and the ranking test, to evaluate more than two samples. A variety of approaches and perspectives were also utilized to predict palatability and key sensory attributes of pet foods, including descriptive sensory analysis by human-trained panelists and pet food caregivers' perceptions of pet food. This review article examined a range of testing methods for evaluating the palatability of pet foods, specifically targeting products for dogs and/or cats. It outlined the advantages and disadvantages of each method. Additionally, the review provided in-depth insights into the key sensory attributes of pet foods and the methodologies for assessing palatability. It also explored pets' behavioral responses and facial expressions in relation to different pet foods. Furthermore, this review discussed current challenges and future opportunities in pet food development, including the use of instrumental analyses and artificial intelligence-based approaches.

The Effect of Food Image, Food Satisfaction on Culinary Quality and Behavioral Intention in Sampang Regency

This study aims to explore how perceptions of local food (food image) and consumer satisfaction with culinary experiences (food satisfaction) influence the perception of the culinary quality of the area and how these factors influence consumer behavior, such as intention to revisit or recommend. This study was conducted in Sampang Regency, an area known for its rich culinary heritage. The study population was local culinary consumers who had visited Pak Salim's Bebek Songkem restaurant located in Sampang Regency. Purposive sampling was used to determine respondents with a sample of 193 respondents. Structural equations were used as the analysis method using Smart PLS 4.0. Data were collected through a survey distributed to consumers who enjoyed Bebek Songkem. The study findings revealed that food image had a significant positive effect on culinary quality, while food satisfaction played an important role in strengthening this perception. In addition, food image and food satisfaction significantly influenced behavioral intentions, with higher culinary quality leading to a greater likelihood of positive consumer actions such as revisits and recommendations. These results underscore the importance of improving the image and satisfaction of local culinary experiences to promote Sampang as a culinary destination. This research offers practical insights for local businesses and policy makers in developing strategies to enhance culinary tourism and culinary experiences in the region.

Genetic aspects of taste formation

The article discusses the molecular genetic basis of taste development which determines the peculiarity of perception of sweet, salty, sour, bitter and high-protein food (umami). The genes TAS1R3, FTO, GLUT2, FGF21, GNAT3 are responsible for individual perception of sugar volume. Serum FGF21 levels are significantly elevated in obese patients and in patients with type 2 diabetes mellitus which presumably indicates a state of resistance to FGF21. Given the role of refined sugars in the development of diseases, the use of foods with a reduced content or complete absence of added sugar is a worldwide trend, especially necessary in the nutrition of children. During genome-wide sequencing for 39 patients aged 15-18 years, FGF21 gene polymorphism was detected in 27 adolescents (69 %) without gender identity. Almost all patients with FGF21 gene polymorphism showed a high addiction to sweet foods. Currently, the existence of a sixth taste is being debated, it is ammonium chloride, whose receptors are regulated by the Otop1 gene which is also responsible for the identification of sour taste.

Plastic wine glass mimic improves the perception of quality and aroma of white wines

The impact of surrounding stimuli to the perceptions of foods and beverages is a well-established phenomenon known as psychophysics. Within the context of wines, psychophysics impacts have been demonstrated, with high-end wine glasses impacting sensory perceptions of the contained wines. However, with the commoditisation of white wines, there is a growing consumer base utilizing budget options for receptacles, which have unknown psychophysics impacts to the perceptions of wines. Accordingly, the work herein involved sensory assessment of 3 unlabelled white wines within 2 receptacles; a clear plastic wine glass mimic (‘glass’) and a red plastic beer cup (‘cup’). The results identified that perception of wines within the ‘glass’ was associated with a 1.20-fold increase in assigned wine value (AU$), and increased the perceived strength of floral and fruity aromas: apricot (p = 0.002), cotton candy (p = 0.084), honeysuckle (p = 0.080), lime (p = 0.073), peach (p = 0.084), stone fruit (p = 0.073), and wildflower (p = 0.080). The increased perception of desirable aromas and assigned value appear to be driven by psychophysics phenomena, potentially relating to receptacle shape, weight, style, and tactile experience, which function to prime consumer perceptions.

Positive perceptions and purchase of sustainable foods is associated with higher diet quality in Australian university students

Purpose This study aims to understand university students' perception and engagement with sustainable food practices and the relationship with diet quality. Design/methodology/approach A cross-sectional survey assessed Australian university students' sustainable food perceptions and purchasing behaviours, diet quality using the validated Australian Recommended Food Score and attitudes towards on campus sustainable food options. Findings Of respondents (n = 197; 63% female), over half (58%) perceived it was important to purchase sustainable foods. These students were eight times more likely report purchasing sustainable foods (OR: 8.1; 95%CI 4.2–15.7; SE: 0.3; p < 0.001) and had significantly higher diet quality (Beta coefficient: 2.9; 95% Confidence Intervals 0.4–5.4; Standard Error: 1.3; p = 0.024). Students who reported frequently purchasing all types of sustainable foods, except organic foods, had significantly higher diet quality. Few students perceived there were sufficient sustainable food choices on campus (19%), but most supported the development of an edible campus (80%). Originality/value The results highlight the potential impact of promoting sustainable food options and creating a supportive campus food environment towards improving students’ diet quality.

Identification of Volatile Organic Compounds and Analysis of Aroma Characteristics in Ten Pear Syrups.

Aroma in food plays an important role in food perception and acceptance, which depends on various mixtures of volatile organic compounds (VOCs). Moreover, VOCs are of great significance for aroma identification. In this study, headspace solid-phase microextraction (HS-SPME) combined with gas chromatography-mass spectrometry (GC-MS) technology was used to determine the VOCs in 10 pear syrups. A total of 127 VOCs were quantitatively determined, including 9 common VOCs and 46 characteristic VOCs of 10 pear syrups. The pear syrups were divided into three categories by cluster analysis, and thirty-eight differential VOCs were obtained using orthogonal partial least squares discrimination analysis (OPLS-DA) and fourteen key VOCs were selected by odor activity value (OAV). It was revealed that the key and common aroma components of pear syrups were butanoic acid, methyl ester, 2-methyl-, methyl ester and Hexanoic acid, and ethyl ester. The characteristic and differential VOCs were 10-Undecen-1-ol, Hexadecanal, n-Propylacetate, Cyclohexanol, 5-methyl-2-(1-methylethyl)-, (1S,2R,5S)-, Methional, Disulfide, dimethyl, 8-Nonenoic acid, ethyl ester, Naphthalene, 1,2-dihydro-1,1,6-trimethyl-, 3H-Purin-6-amine, N,N,3-trimethyl-, 2-Octanol,2,6-dimethyl-, Furyl hydroxymethyl ketone, Heptane, 2,2,4,6,6-pentamethyl-, and Butanoic acid,2-methyl-,methyl ester. The above results showed that different pear syrups had rich diversity in aroma compounds, with some components being shared among them while others are exclusive to specific syrups.

Exploring consumer acceptability of leafy greens in earth and space immersive environments using biometrics

Novel research on food perception is required for long-term space exploration. There is limited research on food/beverage sensory analysis in space and space-simulated conditions, with many studies presenting biases in sensory and statistical methods. This study used univariate and multivariate analysis on data from pick-and-eat leafy greens to assess self-reported and biometric consumer sensory analysis in simulated microgravity using reclining chairs and space-immersive environments. According to ANOVA (p < 0.05), there were significant differences between interaction room × position for head movements; besides, there were non-significant differences in the interaction samples × environment. On the other hand, there were significant differences in the sample×position interaction for all liking attributes. Results from multivariate analysis showed effects on self-reported, physiological, and emotional responses of samples in space-related positions and environments related to sensory perception changes. Non-invasive biometrics could offer a powerful tool for developing digital twins to assess genetically modified plants and plant-based food/beverages for long-term space exploration.

A Study on the Perception of Medical Radiation Exposure and Irradiated Foods among College Students in Nursing and Health-related and Health-unrelated Majors

A Study on the Perception of Medical Radiation Exposure and Irradiated Foods among College Students in Nursing and Health-related and Health-unrelated Majors

곤충 단백질을 활용한 고령친화식품 개발을 위한 소비자 요구도 조사

This study aims to investigate consumer perceptions of senior-friendly foods, specifically focusing on the development of such products using edible insects, to address the nutritional issues faced by the elderly. The study surveyed 125 elderly individuals aged 65 and older (45 men, 80 women, average age of 75.9 years) who use senior cultural centers in Seoul. Of these, 86.4% had medical conditions, with the most common being high blood pressure, high cholesterol, arthritis, and osteoporosis. The prevalence of arthritis and osteoporosis was significantly higher in women (p&lt;0.05). Both men and women consumed meat 1-3 times a week, while fish and eggs were consumed more than once a day. Both men and women ate three regular meals. Men preferred softer foods more than women and favored foods that were ‘water-like’ in consistency when swallowing. The most preferred types of processed foods were ‘rice’, ‘tofu’, ‘fermented foods.’ The most important factor in food purchasing decisions was ‘nutrition’, with ‘meal replacement foods’ being the most preferred type of senior-friendly food. Regarding edible insect consumption, 83.2% had no experience with it (p&lt;0.05), and 40.8% expressed willingness to try edible insects in the future (p&lt;0.05). The concern about insect consumption was ‘unfamiliarity’, and the most preferred edible insect product was ‘nutritional supplements.’ This study highlights the preferences of the elderly for foods that are easy to chew, soft in texture, easy to swallow like water, and nutritionally balanced as meal replacements, suggesting these as key considerations for the development of senior-friendly foods in the future

Exploring the effect of familiarity on sports performance food perception in various simulated consumption contexts

Leveraging immersive room technologies this study sought to explore the impact of consumer familiarity on the perceived appropriateness and liking of high-protein energy bars across three distinct contexts: Pre-Workout, Office Break, and Outdoor Break. Results showed that both context and familiarity have significant influence on consumer perceptions, with high familiarity consumers giving the bars greater liking and appropriateness scores than low familiarity consumers. The Office Break context received the highest appropriateness and liking scores, while the Outdoor Break context was rated lowest. Post-test focus groups revealed diverse perspectives on the balance between utility and hedonism in food consumption, underscoring the influence of consumer usage patterns, consumption context, and prior product experience.

Atlantic Canadians' Sensory Perception of Couscous Made with Sugar Kelp (Saccharina latissma).

Sugar kelp (Saccharina latissma) has many nutritional benefits and has been identified as a rich source of fibre, vitamins, and antioxidants. However, it is not regularly consumed in the Western world, and the sensory perception of foods containing sugar kelp must be investigated to increase acceptance in North America. This study evaluated consumers' (n = 99) sensory perception of couscous with increasing amounts of sugar kelp (0% (control), 4%, 6%, 8%, and 10% wt/wt). Furthermore, consumers' purchase intent, liking, and emotional response to couscous with added sugar kelp was evaluated with and without nutritional information. Sugar kelp at 6% incorporation did not impact the consumers' liking scores ("Like Slightly" on the hedonic scale), but at 8% the consumers' liking significantly decreased ("Neither Like nor Dislike"). The 8% and 10% levels of sugar kelp addition led to astringency, bitter, hard, brackish, fishy, and chewy attributes being perceived by the consumers. The consumers identified they preferred samples that had soft, savoury, salty, and bland flavours and disliked samples that were brackish and gritty. The nutritional information did not increase overall liking scores, purchase intent, or emotional response. However, the inclusion of sugar kelp in the couscous did lead to an increased selection of positive emotions like happy, joyful, pleasant, and enthusiastic. Overall, the consumers were interested in foods containing seaweed and believed they were nutritious. The results indicated that sugar kelp could be added to couscous up to 6% wt/wt without impacting overall liking.

Are all-encompassing better than one-trait sustainable labels? The influence of Eco-Score and organic labels on food perception and willingness to pay

Front-of-Package (FOP) labels have been used to inform consumers about the nutritional quality, specific attributes, and, more recently, the sustainability impact of food products. For nutritional labels, there is evidence that all-encompassing labels providing a summary score of a product's nutritional quality are effective in influencing consumer behavior, however less is known about the impact of sustainable labels. This research compares an all-encompassing sustainable label summarizing several sustainable product's features into one score, to a one-trait sustainable label focusing on one sustainable attribute. Two controlled online experiments compare an all-encompassing label (i.e., Eco-Score) to a one-trait label (i.e., organic label) and test how their presence influences consumers' willingness to pay. Study 1 (N = 290) shows that a positive all-encompassing sustainable label (Eco-Score B) does not result in a greater willingness to pay for a box of cereal when compared to no label, and to a one-trait sustainable label (organic), even though the Eco-Score incorporates the product's organic attribute in its assessment. Study 2 (N = 577) shows that consumers were willing to pay less for a product featuring an all-encompassing positive Eco-Score label, compared to the same product with an organic label. It also tests a mechanism behind this effect related to the perceived benefits evoked by the label: while the Eco-Score is perceived as only providing environmental benefits, the organic label also provides more concrete health benefits (i.e., it is good for one's health). Implications for public policy are discussed.

Gamma irradiation pilot project: Enhancing food safety and export quality in Indonesia

This study aims to evaluate the feasibility of establishing a gamma irradiator pilot project in Indonesia to reduce food loss and food waste, as well as to enhance the value of export commodities. Gamma irradiators have the potential to extend shelf life, improve food safety, and reduce losses during distribution and storage. The research methodology involves weighting to assess the feasibility of location selection, incorporating secondary data analysis and economic value-added analysis. The results indicate that the PUSPIPTEK Serpong location meets all mandatory criteria and nearly all non-mandatory criteria, making it a suitable site for this pilot project. The operation of the gamma irradiator in Serpong has successfully increased the volume of irradiation services, though its utilization is predominantly for export purposes. The main challenges include a negative public perception of irradiated food and a lack of education on its benefits. This study concludes that gamma irradiators are effective in reducing food loss and food waste, as well as increasing the value-added of export commodities. Strong government support and continuous education programs are necessary to improve public acceptance. Future research could focus on long-term evaluations of the impact of gamma irradiators and the development of more effective educational programs.

Influence of consumers' health risk perception of unwholesome foods on the purchase of pre-packaged foods

Packing food has been around for a long time. Food safety rules become increasingly important in the policy as people's lives and consumption patterns evolve. Everyone is always worried about food safety since it is an essential issue in public health. A systematic questionnaire was utilised to collect information from Sunyani people of Ghana to validate this study's findings. 376 persons were used for this study, and the sample utilised face-to-face distribution procedures for the questionnaire, including open-ended questions. The data was analysed using IBM-SPSS version 25.0. The number of consumers who typically buy pre-packaged food differs considerably by gender between those who purchase pre-packaged foods rarely and those who buy frequently (p-value of 0.049). This is also true for respondents who are married, separated, or never married, as they are also significantly different (p-value of 0.004) regarding whether they occasionally or frequently purchase prepackaged food. The survey also found that most respondents read food labels as part of a healthy lifestyle, with an odds ratio of 2.21 (95% CI 1.27 – 3.85) times more than other explanations. This study's findings also revealed that most respondents only read food labels to check for nutritional information, with an odds ratio of 2.18 (95% CI 1.07 – 4.41) times compared to other reasons. The public should be more aware of the need to read pre-packaged food labels since this will notify them of any potential problems after ingesting that product.

Consumers' familiarity with wine increased their acceptance of pasta sauce containing grape pomace.

Grape pomace (GP) is a waste product of the winemaking process and has been proposed as a nutritionally beneficial ingredient, as it contains phenolic compounds, dietary fiber, and antioxidant activity. It can be a polarizing ingredient due to its flavor components. Familiarity has been found to influence consumers' preferences and sensory perception of food. A sensory test was conducted to evaluate the acceptance, sensory perception, and emotional response to pasta sauces containing GP (3% [3GP], 6% [6GP], 9% [9GP] by volume and control without GP addition). The sensory trials included wine consumers (n=44) and nonconsumers of wine (n=58) to determine how consumers' familiarity with the flavor properties of GP influenced their perception of the pasta sauce. Overall, the addition of GP decreased the liking scores of the GP-containing sauces, but the wine consumers' hedonic scores for the control, 3GP, and 9GP were significantly higher than the nonconsumers. Both consumer groups identified that the samples with a higher amount of GP addition were associated with sour, bitter, astringency, grainy, and gritty attributes. However, the wine consumers used more positive emotions to describe their emotional response to the GP-containing samples. The study identified that GP led to off-flavors and textures in the pasta sauces. PRACTICAL APPLICATION: GP is currently a waste product, but it has many nutritional benefits. Consumers are increasingly looking for nutritional benefits from their food. When incorporated into pasta sauces, GP decreased the acceptance of the pasta sauce and negatively impacted the flavor and texture. Familiarity has been found to impact consumer acceptance, and wine consumers had a more positive emotional response and higher hedonic scores in response to the GP-containing pasta sauce than nonconsumers of wine.

Dietary behaviour, attitude and food perceptions of patients with ulcerative colitis - An observational study.

Dietary knowledge, perception and practices may have a role in determining the nutritional status of patients with inflammatory bowel disease (IBD). However, the assessment of these patterns has infrequently been done in developing countries. We aimed to evaluate patients with ulcerative colitis (UC) about their dietary beliefs, practices and changes after the diagnosis. We conducted a cross-sectional survey among patients with UC at a tertiary care centre in North India. Apart from clinical details, we collected information about dietary beliefs, sources of information, dietary practices and changes after the diagnosis of UC. The information was collected using a designed and pretested survey questionnaire. We included 93 patients with a mean age of 40.6 ± 13.3 years and 49 (52.7%) were men. A majority of patients felt that diet had an important role in the causation of IBD (86%, n = 80) and triggering relapses (86%, n = 80). A total of 94.6% of patients (n = 88) felt that certain foods (especially spicy and fatty food and milk) items increased the symptoms of IBD. Patients felt that some food items (yogurt and buttermilk) improved the symptoms. A total of 96.8% of patients (n = 90) changed their diet in some form (commonly, restriction of milk products and outside food), 64% of patients (n = 60) deprived themselves of their favourite food after diagnosis, 80.6% of patients (n = 75) felt a need for additional dietary advice. Regular milk intake was seen more often by patients in remission than those with active disease in IBD (36/47 (76.6%) vs 7/15(46.6%), p = 0.03). Most patients believe that diet has an important role in the causation, relapses and treatment of UC. Patients also felt the need for more information regarding diet in IBD.

Generation Z's perception of food healthiness: The case of Kellogg's cereals – A qualitative study in Germany and Ireland

One way to prevent diseases caused by unhealthy diets is to help consumers make better dietary choices. Knowledge about the consumer perception of food healthiness can help to understand which indicators are important for consumers to make healthy food choices.Generation Z members are young consumers who can influence the market supply in the next few years. To better understand Generation Z's perception of healthy food, sample products from Kellogg's brand were used to conduct focus group discussions in Germany and Ireland. Eight young consumers, aged between 18 and 25 years, participated in each focus group discussion. Both focus group discussions were summarized and analyzed according to Mayring.Essentially, what emerged was that both focus groups use the same indicators to evaluate the health value of a product. The indicators included the ingredient list, nutritional value table, packaging design, and additional information on the package. Noticeable differences in the subtopics were that young German consumers discussed the ingredient list in general and discussed the understanding and order of ingredients, whereas young Irish consumers discussed specific ingredients in more detail. In addition, German participants perceived the colours green, blue, and purple of product packaging as indicators of product healthiness, whereas Irish participants generally perceived darker colours as indicators. German participants generally perceived the ingredients of a product as the most important indicator, whereas Irish participants also considered the nutritional value information to be very important. Furthermore, a variety of foods was generally important in the German focus group, and origin and price were indicators in the Irish focus group. The study also shows that Generation Z consumers in Germany and Ireland are uncertain when evaluating a product, and thus, better consumer education is desired to improve the level of knowledge.

Mini review: Impact of branding on consumer perception of adulterated foods

Mini review: Impact of branding on consumer perception of adulterated foods