1                                                                                         Codex Standard 152-1985
CODEX STANDARD FOR WHEAT FLOUR
                                                                                            CODEX STAN 152-1985
1.      SCOPE
1.1     This standard applies to wheat flour for direct human consumption prepared from common wheat, Triticum
        aestivum L., or club wheat, Triticum compactum Host., or mixtures thereof, which is prepackaged ready for
        sale to the consumer or destined for use in other food products.
1.2     It does not apply:
        – to any product prepared from durum wheat, Triticum durum Desf., singly or in combination other wheat;
        – to whole meal, whole-wheat flour or semolina, farina milled from common wheat, Triticum aestivum L., or
             club wheat, Triticum compactum Host., or mixtures thereof;
        – to wheat flour destined for use as a brewing adjunct or for the manufacture of starch and/or gluten;
        – to wheat flour for non-food industrial use;
        – flours whose protein content have been reduced or which have been submitted after the milling process to
             a special treatment other than drying or bleaching and/or to which have been added other ingredients
             than those mentioned under Sections 3.2.2 and 4.
2.      DESCRIPTION
2.1     Product definition
        Wheat flour is the product prepared from grain of common wheat, Triticum aestivum L., or club wheat, Triticum
        compactum Host., or mixtures thereof, by grinding or milling processes in which the bran and germ are partly
        removed and the remainder is comminuted to a suitable degree of fineness.
3.      ESSENTIAL COMPOSITION AND QUALITY FACTORS
3.1     Quality factors – general
3.1.1   Wheat flour and any added ingredients shall be safe and suitable for human consumption.
3.1.2   Wheat flour shall be free from abnormal flavours, odours, and living insects.
3.1.3   Wheat flour shall be free from filth (impurities of animal origin, including dead insects) in amounts which may
        represent a hazard to human health.
3.2     Quality factors – specific
3.2.1   Moisture content  15.5% m/m max
        Lower moisture limits should be required for certain destinations in relation to the climate, duration of transport
        and storage. Governments accepting the Standard are requested to indicate and justify the requirements in
        force in their country.
3.2.2   Optional ingredients
        The following ingredients may be added to wheat flour in amounts necessary for technological purposes:
        – malted products with enzymatic activity made from wheat, rye or barley;
        – vital wheat gluten;
        – soybean flour and legume flour.
4.      FOOD ADDITIVES
4.1     Enzymes                                                 Maximum level in finished product
4.1.1   Fungal amylase from Aspergillus niger                                  GMP
4.1.2   Fungal amylase from Aspergillus oryzae                                  GMP
4.1.3   Proteolytic enzyme from Bacillus subtilis                               GMP
4.1.4   Proteolytic enzyme from Aspergillus oryzae                              GMP
                                            Adopted 1985. Revision 1995.
2                                                                                       Codex Standard 152-1985
4.2     Flour treatment agents                              Maximum level in finished product
4.2.1   L-ascorbic acid and its sodium
        and potassium salts                                                300 mg/kg
4.2.2   L-cysteine hydrochloride                                            90 mg/kg
4.2.3   Sulphur dioxide (in flours for biscuit and pastry
        manufacture only)                                                  200 mg/kg
4.2.4   Mono-calcium phosphate                                           2 500 mg/kg
4.2.5   Lecithin                                                         2 000 mg/kg
4.2.6   Chlorine in high ratio cakes                                     2 500 mg/kg
4.2.7   Chlorine dioxide for yeast raised bakery products                   30 mg/kg
4.2.8   Benzoyl peroxide                                                    60 mg/kg
4.2.9   Azodicarbonamide for leavened bread                                 45 mg/kg
5.      CONTAMINANTS
5.1     Heavy metals
        Wheat flour shall be free from heavy metals in amounts which may represent a hazard to human health.
5.2     Pesticide residues
        Wheat flour shall comply with those maximum residue limits established by the Codex Alimentarius
        Commission for this commodity.
5.3     Mycotoxins
        Wheat flour shall comply with those maximum mycotoxin limits established by the Codex Alimentarius
        Commission for this commodity.
6.      HYGIENE
6.1     It is recommended that the product covered by the provisions of this standard be prepared and handled in
        accordance with the appropriate sections of the Recommended International Code of Practice – General
        Principles of Food Hygiene (CAC/RCP 1-1969) and other Codes of Practice recommended by the Codex
        Alimentarius Commission which are relevant to this product.
6.2     To the extent possible in good manufacturing practice, the product shall be free from objectionable matter.
6.3     When tested by appropriate methods of sampling and examination, the product:
        – shall be free from micro-organisms in amounts which may represent a hazard to health;
        – shall be free from parasites which may represent a hazard to health; and
        – shall not contain any substance originating from micro-organisms in amounts which may represent a
           hazard to health.
7.      PACKAGING
7.1     Wheat flour shall be packaged in containers which will safeguard the hygienic, nutritional, technological, and
        organoleptic qualities of the product.
7.2     The containers, including packaging material, shall be made of substances which are safe and suitable for
        their intended use. They should not impart any toxic substance or undesirable odour or flavour to the product.
7.3     When the product is packaged in sacks, these must be clean, sturdy and strongly sewn or sealed.
3                                                                                                      Codex Standard 152-1985
8.      LABELLING
        In addition to the requirements of the Codex General Standard for the Labelling of Prepackaged Foods
        (CODEX STAN 1-1985) the following specific provisions apply:
8.1     Name of the product
8.1.1   The name of the product to be shown on the label shall be “wheat flour.”
8.2     Labelling of non-retail containers
        Information for non-retail containers shall either be given on the container or in accompanying documents,
        except that the name of the product, lot identification and the name and address of the manufacturer or packer
        shall appear on the container. However, lot identification and the name and address of the manufacturer or
        packer may be replaced by an identification mark, provided that such a mark is clearly identifiable with the
        accompanying documents.
9.      METHODS OF ANALYSIS AND SAMPLING
        See relevant Codex texts on methods of analysis and sampling.
     ANNEX
        ANNEX
        In those instances where more than one factor limit and/or method of analysis is given we strongly
        recommend that users specify the appropriate limit and method of analysis.
          Factor/Description                                                           Method of analysis
                               Limit
          ASH                  Buyer Preference                                        AOAC 923.03
                                                                                       ISO 2171:1980
                                                                                       ICC Method No. 104/1 (1990)
          FAT ACIDITY          MAX: 70 mg per 100 g flour on a dry matter basis        ISO 7305:1986
                               expressed as sulphuric acid                             – or –
                               – or –                                                  AOAC 939.05
                               Not more than 50 mg of potassium hydroxide shall
                               be required to neutralize the free fatty acids in 100
                               grammes flour on a dry matter basis
          PROTEIN (N  5.7)    MIN: 7.0% on a dry weight basis                         ICC 105/l Method for the Determination of Crude
                                                                                       Protein in Cereals and Cereal Products for Food and
                                                                                       for Feed (Type I Method) Selenium/Copper catalyst.
                                                                                       – or –
                                                                                       ISO 1871:1975
          NUTRIENTS            Conform With Legislation of the Country in Which        None Defined
           vitamins           the Product is Sold
           minerals
           amino acids
          PARTICLE SIZE        98% or more of flour shall pass through a 212           AOAC 965.22
          (GRANULARITY)        micron (No. 70 sieve)