1.Pearl Barley (Jau) shall be the product obtained from sound and clean barley (Horbeum vulgare or hordeum distichon). It shall be whitish in colour and shall be free from fermented, musty or other objectionable taste or odour, adulterants and insect and fungus infestation and rodent contamination. It shall not contain other foodgrains more than 1 per cent by weight.
Barley powder shall be the product obtained by grinding clean and sound dehusked barley (Hordeum vulgare or Hordeum distichon) grains. Barley starches shall not be less than 98.0 per cent by weight.
Barley powder shall also conform to the following standards namely:—
•Total ash (on dry basis) – Not more than 1.0%.
•Ash insoluble in dilute hydrochloric acid (on dry basis) – Not more than 0.1%.
•Crude fibre (on dry basis)- Not more than 0.5%.
Moisture – Not more than 14.0 per cent (when determined by heating at 130-133oC for 2 hours).
Alcoholic acidity (as H2SO4) with 90 per cent alcohol) – Not more than 0.10 per cent

2.Wholemeal barley powder or barley flour or choker yukt jau ka churan means the product obtained by grinding clean and sound dehusked barley (Hordeum vulgare or Hordeum distichun) grains free from rodent hair and excreta]. It shall conform to the following standards:—
• Moisture – Not more than 14.0 per cent (when determined by heating at 130-133oC for 2 hours).
• Total ash – Not more than 3.0 per cent (on dry weight basis).
• Ash insoluble in dilute HCl – Not more than 0.5 percent (on dry weight basis).
• Alcoholic acidity (with 90 per cent alcohol) expressed as H2SO4 (on dry weight basis) – Not more than 0.17 per cent