The Bread and Flour Regulations 1995

1.  Calcium carbonate

(a)not less than 235, and

(b)not more than 390,

(c)conforming to the following–

• Description ... ... ... ...Fine white microcrystalline or amorphous powder.

• Content ... ... ... ...Not less than 97 per cent of CaCO₃ on a volatile matter-free basis

• Volatile matter ... ... ... ...Not more than 1 per cent (determined by drying at 105°C to constant weight).

• Matter insoluble in

• hydrochloric acid ... ... ... ...Shall comply with the requirement for aluminium, iron, phosphate and matter insoluble in hydrochloric acid in the monograph for chalk in the British Pharmacopoeia 1973 at page 93.

• Arsenic ... ... ... ...Not more than 5 mg per kg.

• Lead ... ... ... ...Not more than 20 mg per kg.

• Other inorganic impurities ... ... ... ...Not more than 100 mg per kg of any of the following substances, namely antimony, copper, chromium, zinc or barium sulphate, or more than 200 mg per kg of any combination of those substances.

• Particle size ... ... ... ...Not more than 0.1 per cent to remain on a sieve of nominal aperture size 150 μm and not more than 0.2 per cent to remain on a sieve of nominal aperture size 63 μm.

2.  Iron

(a)not less than 1.65

(b)in the form of any, or any combination of two or more, of the following–

(i)ferric ammonium citrate conforming to the criteria in the monograph for ferric ammonium citrate contained in the British Pharmacopoeia 1973 at page201;

(ii)green ferric ammonium citrate conforming to the criteria for ammonium ferric citrate contained in the British Pharmaceutical Codex 1973 at page 194;

(iii)ferrous sulphate conforming to the criteria in the monograph for ferrous sulphate contained in the British Pharmacopoeia 1988 at page 245;

(iv)dried ferrous sulphate conforming to the criteria in the monograph for dried ferrous sulphate contained in the British Pharmacopoeia 1988 at page 245;

(v)iron powder conforming to the description, specification and requirements contained in Schedule 2.

3.  Thiamin (Vitamin B₁)

(a)not less than 0.24

(b)in a form conforming to the criteria in the monograph for thiamine hydrochloride contained in the British Pharmacopoeia 1980 at page 451.

4.  Nicotinic acid

(a)not less than 1.60

(b)in a form conforming to the criteria in the monograph for nicotinic acid contained in the British Pharmacopoeia 1973 at page 318.

or

Nicotinamide

(a)not less than 1.60

(b)in a form conforming to the criteria in the monograph for nicotinamide contained in the British Pharmacopoeia 1980 at page 303.

E220 Sulphur dioxide

E223 Sodium metabisulphite

All flour except wholemeal

All bread

(a)All flour used in the manufacture of biscuits, except wholemeal or flour to which E220 Sulphur dioxide or E223 Sodium metabisulphite has been added.

(b)Other flour, except wholemeal. All bread, except wholemeal

300

75

All flour, except wholemeal

All bread, except wholemeal

alpha-Amylases

Proteinases

Hemicellulases

All flour

All bread