Peer-reviewed from other sources Deliza, 2010 Do you know anything about food irradiation? 40 168 shoppers Brazil Jack, 1995 Was the consumer that irradiated food could legally be sold in this country? 36 200 shoppers Scotland Malone, 1990 had heard about the process of irradiation 25 800 households from national sample USA Nayga, 2005 What is your perception of the RADURA symbol 10.3% did not recognise the symbol 484 shoppers in 4 sites USA Spaulding, 2006 of irradiation 68 119 convenience sample USA Spaulding, 2007 heard of irradiation 159 college students USA Terry, 1988 Recognition of RADURA symbol 2.8% 436 household interviews USA Grey literature FSANZ, 2003 Unprompted awareness of Unprompted awareness <1 and 1940 representative sample Australia and New Zealand
little nor a lot' vs. 'a little') university students (4, 11, 85), Nonstudent adults (0, 37, 63) science university students 100, Nonstudent adults 100) Furuta, 1998 Did the respondent understand the display and description of irradiated potatoes 57 3568 visitors to a science fair Japan 2011 Do you know about gamma irradiation for food preservation?… RADURA symbol 23.5 497 respondents to a questionnaire, randomly selected people at supermarkets, metro stations, offices, malls and university campuses Chile Resurreccion, 1995 …understood irradiation… 63 446 from consumer database USA Xu, 1993 Have you understood irradiated food before? 33 634 shoppers China Peer-reviewed from other sources Jack, 1995 Consumer has knowledge 28 200 shoppers Scotland
Crowley, 2002 Willingness-to-purchase irradiated ground beef? 74 115 chefs Readily available. Price. USA Donaldson, 1996 Willingness-to-buy irradiated poultry meat? 57 134 random sample from elector rolls in Aberdeen Price Scotland Frenzen, 2001 Whether respondents would buy meat or poultry that had been irradiated if it was available where they shopped. 50 10,780 from 7 different sites, in both rural and urban centers and food safety USA Gunes, 2006 ‘Raw red meat and poultry products may contain pathogenic microorganisms. These food products can cause diseases if not properly cooked. Irradiation can eliminate these pathogens from raw red meat and poultry products’’, with these given information would you buy irradiated foods? 62 444 range of customers and employees at local businesses Price, Purchase intent for irradiated food was greatest (44%) if the price would be same as unirradiated foods Turkey Hashim, 1995 Purchase of irradiated poultry (revealed preference For irradiated chicken breast OR thighs before and after the slide program (59.5 vs 83.3) and (61.9 vs. 85.7), respectively. For irradiated chicken breast OR thighs 126 consumer database Price USA
Deliza, 2010 Purchase of irradiated papaya (revealed preference if the papaya had been irradiated, the probability of the good-appearance papaya being chosen was five times that of nonirradiated fruit (0.15/0.03 = 5). 168 shoppers Sensory attributes (for papaya blemishes, size, colour) Brazil Fox, 1998 Stated and revealed preferences. One questionnaire, one retail and one market experiment, in purchasing irradiated chicken breast Survey: 81% indicated they will purchase irradiated chicken at price to chicken, and 87% at discounted price.; first retail trial: 43% purchased irradiated chicken at equal price and 62% purchased irradiated chicken at discounted price; market experiment: 80% purchased irradiated chicken (at equal price), and 84% (at discounted price. 229 – survey 98 subjects in market experiment Number of participants in the retail was not reported. and discount USA Hashim, 2001 Purchase of irradiated beef (revealed preference study) Simulated supermarket setting 68-71% purchased either ground chuck or ground beef 207 consumer database Type of beef cut (ground beef, ground chuck, top round steak and rib eye steak) USA
Jack, 1995 Consumer would not buy food that had been treated in this way 81 200 shoppers UK (Scotland) Malone, 1990 'Willingness to purchase irradiated products’ Consumers not willing to purchase 54.4 800 households from national sample USA Nayga, 2005 Response: Not willing to buy irradiated beef (stated preferences in Rounds) Before information: 50.01; After Round I information : 10.96; After Round II information: 5.7 484 consumers of selected regional (random selection of consumers buy the interviewer) supermarkets chains in USA Rimal, 2004 Response: Will not purchase irradiated beef Stated: 40 Revealed: 29.8 240 consumer database USA