Importancia del índice glucémico en el desarrollo de alimentos funcionales

Póster en el que se expone la importancia de explorar el índice glucémico en diversos alimentos con potencial de ser ingredientes en alimentos procesados para determinar si tienen propiedades hipoglucemiantes y preventivas de hiperlipidemias.ITESO, A. C.UAM-Iztapalap

A food and beverage map: Exploring food-beverage pairing through projective mapping

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Pairing beer and food in social media: Is it an image worth more than a thousand words?

Food pairing has been widely studied to understand the patterns that explain how people pair different foods and ingredients and, therefore, to obtain successful pairings and good recommendations for consumers. Social media has become a common way of exchanging information; therefore, we proposed to use it as a tool for exploring beer-food pairing and eating behavior. Twitter and Instagram were selected as they are among the most popular platforms. Although texts from Twitter could provide an accurate verbal description of consumer's food experiences, Instagram could offer the possibility of exploring the consumption context through images, leading to a better understanding of consumers' eating behavior, with a focus on food and beverage combinations. We hypothesize that images from Instagram will provide further information than texts from Twitter, regarding beer-food pairing and consumption context. A social media study was performed in Mexico comparing texts vs. images, selected from a one-year period, and manually classified through content analysis. Foods extracted from images and texts were categorized into frequencies and analyzed using multiple correspondence analysis (MCA) and hierarchical clustering (AHC). MCA showed the most frequently mentioned foods paired with beer for each platform. Data extracted from images and texts about consumption context was also analyzed and categorized into frequencies according to several themes: consumption behavior, type of consumption, way of beer consumption, place of consumption, and consumption occasion. Data extracted from the two platforms was compared by using a chi-square test per theme. Several differences were found, depending on the social media platform, texts being the one with less extracted and meaningful information. In general, while texts provided less extracted and meaningful information, images offered more details regarding beer-food pairing and context of consumption, the same as beer information such as type, color, brand, and style. Overall, images gave more information on beer-food pairing compared to texts. The methods and results from this paper could be applied by culinary professionals, sommeliers, and researchers in the gastronomy and food and hospitality areas.acceptedVersio

Influence of tannins on the physical and sensory attributes of meat from feedlot cattle

Para evaluar la adición de 0.3 % extracto de taninos en las características físicas y sensoriales de la carne de bovinos engordados de forma intensiva, se utilizaron muestras del músculo Longissimus dorsi de 16 toretes (Bos taurus x Bos indicus), los cuales durante los últimos 70 días de la engorda recibieron dieta de finalización (13.3% PC y 2.0 Mcal ENm/kg de MS), y en grupos de ocho se asignaron al azar para recibir uno de dos tratamientos: 1) dieta de finalización (testigo); 2) testigo más 0.3% (base seca) de extracto de taninos (ET). El extracto de taninos fue de Bypro® (SilvaFeed, Indunor, S.A., Argentina) que contiene 70 % de taninos. Los toretes se sacrificaron en la planta TIF No. 99. A las 24 h posteriores al sacrificio se tomaron cuatro muestras (2.5 cm de grosor) a la altura de la 12ª y 13a costilla de la media canal izquierda. Se evaluaron las características físicas y el perfil sensorial, así como la percepción y aceptación de la carne por consumidores. Los taninos no influyeron en las características físicas de la carne (P>0.05). El perfil sensorial no fue influenciado por tratamientos (P>0.05). La percepción y preferencia del producto respecto a jugosidad y terneza fue similar para ambos tratamientos. Los consumidores mostraron preferencia por el nivel “Gusta moderadamente”, para testigo y tratamiento. Se concluye que la adición de 0.3 % de extracto de taninos en la dieta de bovinos en engorda intensiva, no afecta las características físicas y sensoriales de la carne.The aim was to evaluate the addition of 0.3 % of tannins extract on physical and sensory characteristics of meat from cattle fattened intensively. Samples of Longissimus dorsi muscle from 16 bulls (Bos Taurus x Bos indicus), that for the last 70 d of fattening received a finishing diet (13.3 % CP and 2.0 Mcal NEm/kg DM), in groups of eight were randomized assigned to receive one of two treatments: 1) Finishing diet (CTRL); and 2) CTRL plus 0.3 % (DM basis) of tannins extract (TE). The tannins extract was from Bypro® (Silvafeed, Indunor, S.A., Argentina) containing 70 % of tannins. The bulls were slaughtered in a TIF plant No. 99. At 24 h post-slaughter four samples (2.5 cm thick) were taken at the level of the 12th and 13th rib of the left middle carcass. Physical characteristics and sensory profile, as well as, the perception and acceptance of the meat by consumers were evaluated. Tannins did not influence the physical characteristics of the meat (P>0.05). The sensory profile was not influenced by treatments (P>0.05). The perception and preference regarding juiciness and tenderness was similar for both treatments. Consumers showed a preference for the level “Like moderately”. It is concluded that the addition of 0.3 % of tannins extracts in the diet of cattle fattened intensively, did not modify the physical and sensory characteristics of meat

Connecting flavors in social media: A cross cultural study with beer pairing

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The building blocks of drinking experience across men and women: A case study with craft and industrial beers

In today's market, every product seems to be marked by the label of "experience". It is expected that successful products give the consumer "extraordinary experiences". The research in consumption experience is growing, but much work still needs to be done to understand the food and beverage experience. A qualitative study was conducted using contextual focus groups to explore the building blocks of consumers' drinking experience, of industrial and craft beers. The results show that drinking experience is shaped by our cognitive, sensory or affective systems, especially during the core consumption experience. Elements such as attitudes, consumption habits, and individual versus social consumption, shopping experience and product benefits are also responsible for shaping the experience, but are more relevant during the pre-consumption or post-consumption experience. Gender differences occur more frequently in the affective experience, as women search more for relaxation while men for excitement and stimulation while drinking beer. When comparing industrial users versus craft, in the latter the cognitive and shopping experiences are more relevant. Overall, the results showed that the drinking experience of beers can be studied as a function of the salient human system used during product interaction, and this systems act as the building blocks of the drinking experience of beer. This information can be applied in consumer research studies to further study the experiential differences across products and consumers

Measuring the drinking experience of beer in real context situations. The impact of affects, senses, and cognition

Product experience is shaped by the interaction between the human systems and the product. Human systems include a sensory system to perceive the surrounding world, an affective system that evokes emotional responses to certain stimuli, and a cognitive system that makes meaning and processes information. We hypothesise that experience is a combination between these three systems rather than a linear continuum of hedonic reactions. In order to test this hypothesis, we conducted a study measuring the experience of drinking craft and industrial beers. A total of 400 consumers were invited to drink beer, rate their liking and select a set of phrases that better described their drinking experience. Results showed no significant difference in expected liking and purchase intention between the eight beers evaluated. However, a difference between beers was observed for the CATA phrases. Cognitive phrases were more frequently checked for craft beers, while sensory, and affective phrases were more frequently checked for industrial beers. A Multiple Factor Analysis for Contingency Tables showed that the sensory and cognitive systems were more related to liking than the affective system

The role of gender and product consumption in the mental representation of industrial and craft beers: An exploratory study with Mexican consumers

Why do people eat and drink as they do? This complex question is of great interest to both the academic and industrial world. In recent years, a change of consumption has been noticed in several countries with an increase in interest for traditional and craft products. This is the case, for example, for the beer sector, going from a beer category dominated by one style to a wider range of options of industrial beers and to less commercial options such as craft beers. A change in patterns of consumption is usually an indicator that the perception towards the product is changing. In this study, the objective is to understand the impact of gender (men versus women) and type of consumption (craft versus industrial beer) on mental beer representations. Four groups of participants were asked to visually sort a set of beer in the presence of brand and packaging. The results show both similarities and differences in the categorization made by each group of consumers. Overall, participants agreed more on their categorization of industrial beers than they did with craft beers. Gender differences were perceived in the sorting task especially in terms of the number of groups used to sort beers, more groups in men; but also in the words used to describe beers. When comparing the results across women and men, it was seen that the latter sort the beers based on previous knowledge (cognitive dimension) while women rely more on the affective dimension (like do not like) to sort the beers. An interaction effect was also found between gender and type of consumption which highlights the complex relationship that consumers have towards beers

How to measure the drinking experience of beer to drive new product development

International audienceConsumers interact with products using three mental systems: affects, senses, and cognition. These systems give rise to“consumer experience”. Two studies were conducted to measure the experience of drinking craft and industrial beers. The firststudy consisted in an online survey with 75 consumers whose goal was to select phrases related to each system. A set of 18phrases was selected to perform the second study in which consumers had to drink industrial beers, rate liking and selectphrases that best described their experience of drinking in a CATA list. CATA phrases were related to the affective, sensory orcognitive systems. Beers were rated similar in liking, however, significant differences were observed for the CATA phrases.Cognitive phrases were more frequently checked for craft beers while sensory and affective phrases were more frequentlychecked for industrial beers