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Table 1: Methods of analysis for fibreSTANDARD PROVISIONS METHOD PRINCIPLE TYPE 5Section1: General methods that measure both the higher (monomeric units >9) and the lower molecular weight fraction(monomeric units ≤9)All foods 6 Method applicable fordetermining the content of fibresof higher and lower molecularweight, in food where resistantstarches are not presentAOAC 2001.03AACC Intl 32-41.01 (2002)All foods 6Method applicable fordetermining the content of fibresof higher and lower molecularweight. The method is applicablein food that may, or may not,contain resistant starches.AOAC 2009.01AACC Intl 32-45.01 (2009)Enzymaticgravimetry andLiquid chromatographyEnzymaticgravimtry HighPressure LiquidchromatographyTypeITypeI5Type of methods as referred to in Codex Alimentarius Commission: Procedural Manual, 20 th edition, page 63.ftp://ftp.fao.org/codex/Publications/ProcManuals/Manual_20e.pdf6 Users should consult the description of each method for the food matrices that were the subject of interlaboratory study in the Official methods of Analysis of AOAC International4
Section 2: General methods that do not measure the lower molecular weight fraction (i.e. monomeric units ≤9)All foods 6 Method applicable forAOAC 985.29determining fibres that do not AACC Intl 32-05.01 (1991,1999)include the lower molecularweight fraction 7All foods 6All foods 6All foods 6All foods 6All foods 6Method applicable forAOAC 991.43determining fibres that do notinclude the lower molecularweight fraction and also includesdetermination for soluble andinsoluble fibres 7AACC Intl 32-07.01 (1999,1991)NMKL 129, 2003EnzymaticgravimetricEnzymaticgravimetricMethod applicable fordetermining fibres that do notinclude the lower molecularweight fraction in foods and foodproducts containing morethan10% fibre and less than 2%starch (e.g. fruits) 7 AOAC 993.21 Gravimetry TypeIMethod applicable forAOAC 994.13determining fibres that do notinclude the lower molecularweight fraction. Provides sugarresidue composition of fibrepolysaccharides, as well as contentof Klason lignin 7AACC Intl 32-25.01 (1999,1994)NMKL 162, 1998Enzymatic gaschromatographycolourimetrygravimetryInsoluble fibres in food and food AOAC 991.42 (specific for insoluble fibre)Enzymaticproducts 7AACC Intl32-20.01 (1999,1982) NMKLgravimetricSoluble fibres in food and food AOAC 993.19 (specific for soluble fibre) Enzymaticproducts 7 gravimetricTypeITypeITypeITypeITypeI7 Quantitation lost for inulin, resistant starch, polydextrose and resistant maltodextrins. Refer to specific methods.5
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