Subject Index 463
water content 42-3
water-ice 97
welchii see Clostridium perfringens
wheat 43
white mustard 33
WHO see World Health
Organization
wine 322-3
world
food supply 3
population 3
World Health Organization (WHO)
aflatoxins 284
food irradiation 88
foodborne disease 160
Mycobacterium species 231
surveillance programme 165-6
World Trade Organization (WTO)
436
wound botulism 204
WTO see World Trade Organization
X-rays 86
Xanthomonas 153
xerotolerance, water activity 40
yeasts 312-14
differentiation 314
fermented meats 344
fermented milk 328
olives 341
rice wine 367
soy sauce 367
yoghurt 326
yellow rice disease 291-2
Yersin, Alexandre 263
Yersinia enterocolitica 262-7
Aeromonas hydrophila 182
growth models 56-7, 60
pigs 266-7
vegetables 157
Yersinia pseudotuberculosis 263
Yersinosis 263, 266-7
yoghurt 320, 321, 323-6, 432-3z values in thermal death 66-8
zearalenone 294-5
Zeihl–Neelsen stain 232, 233
Zygosaccharomyces bailii 313
Zygosaccharomyces rouxii 313
Zymomonas mobilis 355