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Report of the 33rd Session of the Codex Committee on Nutrition and ...

Report of the 33rd Session of the Codex Committee on Nutrition and ...

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REP 12/NFSDU Appendix V 56[In additi<strong>on</strong>,Opti<strong>on</strong> 1governments may c<strong>on</strong>sider <str<strong>on</strong>g>the</str<strong>on</strong>g> suitability <str<strong>on</strong>g>of</str<strong>on</strong>g> probable evidence 25 in c<strong>on</strong>juncti<strong>on</strong> with o<str<strong>on</strong>g>the</str<strong>on</strong>g>rrelevant bases in establishing <str<strong>on</strong>g>the</str<strong>on</strong>g>ir own food label reference value(s) .OROpti<strong>on</strong> 2<str<strong>on</strong>g>the</str<strong>on</strong>g> suitability <str<strong>on</strong>g>of</str<strong>on</strong>g> probable evidence 4 may need to be c<strong>on</strong>sidered.] Public health importance <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> nutrient-n<strong>on</strong>communicable disease risk relati<strong>on</strong>ship(s) am<strong>on</strong>g<str<strong>on</strong>g>Codex</str<strong>on</strong>g> member countries.3.2 Selecti<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Suitable Data Sources to Establish NRVs-NCD3.2.1 Relevant daily intake reference values provided by FAO/WHO that are based <strong>on</strong> a recentreview <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> science should be taken into c<strong>on</strong>siderati<strong>on</strong> as primary sources in establishing NRVs-NCD.3.2.2 Relevant daily intake reference values that reflect recent independent review <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> science,from recognized authoritative scientific bodies o<str<strong>on</strong>g>the</str<strong>on</strong>g>r than FAO/WHO could also be taken intoc<strong>on</strong>siderati<strong>on</strong>. Higher priority should be given to values in which <str<strong>on</strong>g>the</str<strong>on</strong>g> evidence has been evaluatedthrough a systematic review.3.2.3 The daily intake reference values should reflect intake recommendati<strong>on</strong>s for <str<strong>on</strong>g>the</str<strong>on</strong>g> generalpopulati<strong>on</strong>.3.3. Selecti<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Appropriate Basis for Determining <strong>and</strong> Expressing NRVs-NCD3.3.1 Relevant <strong>and</strong> peer-reviewed scientific evidence for quantitative reference values for dailyintake should be available in order to determine an NRV-NCD that is applicable to <str<strong>on</strong>g>the</str<strong>on</strong>g> generalpopulati<strong>on</strong>.3.3.2 Daily intake reference values from FAO/WHO or o<str<strong>on</strong>g>the</str<strong>on</strong>g>r recognized authoritative scientificbodies that may be c<strong>on</strong>sidered for NRVs-NCD include values expressed in absolute amounts or as apercentage <str<strong>on</strong>g>of</str<strong>on</strong>g> energy intake.3.3.3 For practical applicati<strong>on</strong> in nutriti<strong>on</strong> labelling, a single NRV-NCD for <str<strong>on</strong>g>the</str<strong>on</strong>g> general populati<strong>on</strong>should be established for each nutrient that meets <str<strong>on</strong>g>the</str<strong>on</strong>g> principles <strong>and</strong> criteria in this Annex.232425[C<strong>on</strong>vincing Evidence is evidence based <strong>on</strong> epidemiological studies showing c<strong>on</strong>sistent associati<strong>on</strong>s between exposure<strong>and</strong> disease, with little or no evidence to <str<strong>on</strong>g>the</str<strong>on</strong>g> c<strong>on</strong>trary. The available evidence is based <strong>on</strong> a substantial number <str<strong>on</strong>g>of</str<strong>on</strong>g> studiesincluding prospective observati<strong>on</strong>al studies <strong>and</strong> where relevant, r<strong>and</strong>omized c<strong>on</strong>trolled trials <str<strong>on</strong>g>of</str<strong>on</strong>g> sufficient size, durati<strong>on</strong><strong>and</strong> quality showing c<strong>on</strong>sistent effects. The associati<strong>on</strong> should be biologically plausible. The definiti<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> ‘c<strong>on</strong>vincingevidence’ was taken from <str<strong>on</strong>g>the</str<strong>on</strong>g> following FAO/WHO reports: 1) Fats <strong>and</strong> Fatty Acids in Human Nutriti<strong>on</strong>: <str<strong>on</strong>g>Report</str<strong>on</strong>g> <str<strong>on</strong>g>of</str<strong>on</strong>g> anExpert C<strong>on</strong>sultati<strong>on</strong>. FAO Food <strong>and</strong> Nutriti<strong>on</strong> Paper 91. Rome. FAO, 2010. <strong>and</strong> 2) Diet, Nutriti<strong>on</strong> <strong>and</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> Preventi<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g>Chr<strong>on</strong>ic Diseases. WHO Technical <str<strong>on</strong>g>Report</str<strong>on</strong>g> Series 916. WHO, 2003.]For <str<strong>on</strong>g>the</str<strong>on</strong>g>se General Principles <str<strong>on</strong>g>the</str<strong>on</strong>g> terms c<strong>on</strong>vincing/generally accepted evidence are c<strong>on</strong>sidered syn<strong>on</strong>ymous.[Probable Evidence is evidence str<strong>on</strong>g enough to support a judgement <str<strong>on</strong>g>of</str<strong>on</strong>g> a probable causal relati<strong>on</strong>ship,which wouldgenerally justify goals <strong>and</strong> recommendati<strong>on</strong>s designed to reduce <str<strong>on</strong>g>the</str<strong>on</strong>g> incidence <str<strong>on</strong>g>of</str<strong>on</strong>g> cancer. All <str<strong>on</strong>g>of</str<strong>on</strong>g> <str<strong>on</strong>g>the</str<strong>on</strong>g> following aregenerally required: Evidence from at least two independent cohort studies, or at least five case c<strong>on</strong>trol studies. No substantial unexplained heterogeneity between or within study types in <str<strong>on</strong>g>the</str<strong>on</strong>g> presence or absence <str<strong>on</strong>g>of</str<strong>on</strong>g> anassociati<strong>on</strong> or directi<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> effect. Good quality studies to exclude with c<strong>on</strong>fidence <str<strong>on</strong>g>the</str<strong>on</strong>g> possibility that <str<strong>on</strong>g>the</str<strong>on</strong>g> observed associati<strong>on</strong> results from r<strong>and</strong>om orsystematic error, including c<strong>on</strong>founding, measurement error <strong>and</strong> selecti<strong>on</strong> bias. Evidence for biological plausibility.The definiti<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> ‘probable evidence’ is adapted from <str<strong>on</strong>g>the</str<strong>on</strong>g> World Cancer Research Fund/American Institute for CancerResearch (AICR) report: Food, Nutriti<strong>on</strong>, Physical Activity <strong>and</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> Preventi<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Cancer: a Global Perspective.Washingt<strong>on</strong>, DC: AICR, 2007, p. 60. The definiti<strong>on</strong> <strong>and</strong> applicati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> “probable evidence” [is specific to c<strong>on</strong>siderati<strong>on</strong><str<strong>on</strong>g>of</str<strong>on</strong>g> an appropriate basis for food label reference values by governments], <strong>and</strong> is not applicable to <str<strong>on</strong>g>Codex</str<strong>on</strong>g> recommendati<strong>on</strong>s<strong>on</strong> scientific substantiati<strong>on</strong> for health claims. The latter is provided in <str<strong>on</strong>g>the</str<strong>on</strong>g> Annex <strong>on</strong> Recommendati<strong>on</strong>s <strong>on</strong> <str<strong>on</strong>g>the</str<strong>on</strong>g> ScientificSubstantiati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> Health Claims in <str<strong>on</strong>g>the</str<strong>on</strong>g> Guidelines for Use <str<strong>on</strong>g>of</str<strong>on</strong>g> Nutriti<strong>on</strong> <strong>and</strong> Health Claims (CAC-GL 23-1997).]

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