Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 207 Document Number: D13037
Notes:
6 pages, Kefirs are fermented beverages containing yeast and bacteria produced by the fermentation of water or milk with kefir grains. Because microorganism density may influence a product's health benefits, label accuracy regarding viable bacterial density and taxonomy of fermented foods is important. In this study, the microbiota of 5 commercial kefir products were measured quantitatively using standard plating techniques and characterized using high-resolution, long-read 16S rRNA gene amplicon sequencing. To enumerate viable lactic acid bacteria, 2 lots of each product were plated on de Man, Rogosa and Sharpe agar upon opening and following 14 d and incubated under anaerobic and aerobic conditions. Results revealed that 66% of products with a guaranteed count of colony-forming units per gram overstated microorganism density by at least 1 log, with only product E exceeding 1 × 109 cfu/g. Sequencing results demonstrated moderate product label accuracy in regard to taxonomy, yet several products contained bacterial species above the minimum detectable threshold (0.001% relative abundance) that were not included on the labels (e.g., Streptococcus salivarius, Lactobacillus paracasei). Our results demonstrate a moderate level of labeling accuracy for commercial kefir products intended for human consumption. Regulatory agencies and consumers must continue to scrutinize these products and demand a higher level of accuracy and quality.
29 pages., Findings of a survey among consumers indicated that consumers recognize different kinds of functional foods, are willing to pay a premium for their purchase, and perceive possible health value. However, they appeared anxious about the health benefits these foods communicate in their labels.
9 pages., Online via UI electronic subscription, Researchers analyzed the effectiveness of the European Union Pledge, a self-regulation initiative of leading food companies at the European level, in restricting television advertising of food and drink products high in fat, sugar or salt to children. Results indicated that effectiveness was limited by the focus on children's program and the relatively lenient nutritional criteria agreed to by signatory companies.
Online via Directory of Open Access Journals (DOAJ), Australia-based university educators evaluated learner participation and perceptions in an evidence-based Massive Open Online Course(MOOC) about nutrition and provided recommendations for engaging international online lay audiences with diverse backgrounds. Findings highlighted complexities of delivering such education "in the online space crowded with food advertising and nutrition conjecture."
7 pages., Online via UI e-subscription, Through experiment methodology, authors investigated the relative influence of nutritional warnings and two marketing strategies commonly used in food labels, nutrition claims, and fruit images on consumers' healthfulness judgments. Findings documented the impact of nutritional warnings on perceived healthfulness.
Online from publication. 3 pages., Executives for three global produce marketers report on the role of social media in reaching parents with children at home.
20 pages., Via online from the University of Illinois website., Authors' review provided an overview of the data sources, computational methods, and applications of text data in the food industry. Applications of text data analysis were illustrated with respect to food safety and food fraud surveillance, dietary pattern characterization, consumer-opinion mining, new-product development, food knowledge discovery, food supply-chain management, and online food systems.
Dietz, T. (author), Frisch, A.S. (author), Guagnano, G.A. (author), Kalof, L. (author), Stern, P.C. (author), and Department of Sociology and Anthropology, George Mason University, Fairfax, Virginia 22030; Department of Education and Human Services, University of Wisconsin, Oshkosh, Wisconsin 54901; Department of Sociology, State University of New York at Plattsburgh, New York 12901; U.S. National Research Council, Washington, D.C. 22052; Department of Sociology and Anthropology, George Mason University, Fairfax, Virginia 22030
Format:
Journal article
Publication Date:
unknown
Published:
USA
Location:
Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 101 Document Number: C08646
Online via AgEconSearch., Authors evaluated the impact of varietal awareness and nutrition knowledge on their adoption of biofortified crop varieties. Findings suggested that farmers who had knowledge of the nutritional attributes of a specific variety of beans were more likely to adopt them.
