Chemical Composition of the Barley Grain

Barley is the world’s most nutritional crop and is recommended for beer brewing. This is because barley contains many elements that are rich sources of health and energy for brewing yeast. The composition of barley, including the percentage of minerals, gives a general idea about its uses in brewing industry. Barley contains about
Starch 62 – 66 %
Sugars 1 – 2 %
β-glucan 3 – 5 %
Other hemicelluloses (pentosans) 4 – 7 %
Cellulose 4-5 %
Lipids 2 – 3 %
Protein 8 – 13 %
Amino acids and peptides 0.5 %
Nucleic acids 0.2 – 0.3
Minerals 2 %
Other substances 5-6 %



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