Specifications for identity and purity of certain food additives : emulsifiers, enzyme preparations, flavouring agents, food colours, thickening agents, miscellaneous food additives ; joint FAO /WHO expert committee on food additives 35th session Rome, 29 May -7 june 1989.

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• Specifications for identity and purity of certain food additives : enzyme preparations and immobilizing agents, flavouring agents, flour treatment agents, food acids and salts, food colors, sweeteners, thickeners and miscellaneous food additives, 29th session of the Joint FAO/WHO Expert Committee on Food Additives, Geneva, 3-12 June 1985.
  I whakaputaina: (1986)
• Specifications for identity and purity of certain food additives: antioxidants, enzyme preparations, flavouring agents, flavour enhancers, food colours, sweetening agentsthickening agents and miscellaneous food additives ; 31stsession of the Joint FAO/WHO Expert Committee on Food Additives, Geneva, 16-25 February 1987 and 33rd session of the Joint FAO/WHO Expert Committee on Food Additives, Geneva, 21-30 March 1988.
  I whakaputaina: (1986)
• Specifications for identity and purity of certain food additives : antioxidants flavouring agents food acids and salts,food colours,sweeteners,thickeners and miscellaneous food additives;30th session of the joint FAO/WHO Expert Committee on Food Additives Rome,2-11 june 1986
  I whakaputaina: (1986)
• Specifications for identity and purity of food additives : anticaking agents, buffering agents, salts, emulsifiers, enzymes, extraction solvents, flavouring agents, and miscellaneous food additives : 28th session of the Joint FAO/WHO Expert Committee on Food Additives, Rome, 1984 March 1984.
  I whakaputaina: (1984)
• Specifications for identity and purity of food colours, flavouring agents and other food additives /
  I whakaputaina: (1979)