Arts and Humanities Commons^™

Health Claims And Food Advertising: Comparison Of Marketing And Nutrition Experts' Ratings Of Magazine Advertisements, Sandra C. Jones, Peter Williams, Linda C. Tapsell, Kelly L. Andrews

Peter Williams

To determine the nature and differences in expert opinion from the fields of nutrition and marketing on the use of health claims in the 30 most frequently appearing Australian magazine food advertisements, a survey was conducted with 28 nutritionists and 21 marketing experts in Australia and New Zealand. The experts assessed the advertisements with respect to the accuracy of the nutrition claims, the tactics and intentions of the advertising strategy and the accessibility of the nutrition information to lay consumers. Of 28 advertisements where a claim was identified, for only one did more than 90% believe the claim to be …

Dietary Validation Of A New Australian Food-Frequency Questionnaire That Estimates Long-Chain N-3 Polyunsaturated Fatty Acids, Bethany L. Sullivan, Janelle Brown, Peter Williams, Barbara Meyer

Peter Williams

Currently, there is no FFQ designed to capture the intakes of the long-chain (LC) n-3 PUFA. The objectives of this study were to validate a new LC n-3 PUFA FFQ by comparison with 3 d weighed food records (FR) and to determine its reproducibility assessed 4 to 6 weeks apart. Healthy male and female subjects (n 53) were recruited from Wollongong and the Australian Capital Territory, Australia. The FFQ and FR were analysed for LC n-3 PUFA intakes using a nutrient analysis software package and these intakes were compared using Wilcoxon signed rank tests and Spearman correlation coefficients. Bland–Altman analysis …

Food Toxicity And Safety, Peter Williams

Peter Williams

Key Points

• Despite the many potential health risks associated with foods, in practice the degree of risk associated with the modern food supply is extremely low.

• By far the most important hazards of significance are those from biological agents: pathogenic bacteria, viruses, fungi and a few toxic seafoods.

• Trends to larger-scale production, longer distribution chains in the food supply, increased eating away from the home and the emergence of new pathogens means foodborne illness continues to be a significant public health issue.

• The assessment of the safety of food additives is led internationally by JECFA, but …