Glabrous (hairless) canary seed is a true cereal grain exhibiting unique characteristics in its components: starch, protein and oil. The grains contain, on average, 56% starch, 20% protein and 6.4% oil making it a potential alternative crop for the fractionation industry. In a previous study, three wet milling methods based on ethanol, water and alkaline extractions were used to fractionate canary seed into starch, protein, oil, fine fiber and coarse fiber components. The highest extraction efficiencies were obtained when canary seed was defatted with ethanol and then extracted with alkali and water. Later this fractionation process was further investigated to assess yield and characterization of canary seed components (starch, protein and oil) for 2 varieties (CDC Maria and C05041) in 3 batches each. The yield of starch from both varieties averaged approximately 53 g/100g. The protein yield was considerably lower for C05041 compared with CDC Maria, i.e. 15 g/100g versus 25 g/100g. The recovery of oil from both varieties was similar but slightly low, averaging about 4.7 g/100g. These batch studies indicate that glabrous canary seed would offer a good alternative source of starch to the mainstream sources (e.g. wheat and corn). Research is underway to characterize canary seed starch and its potential applications.

Fractionation and characterization of glabrous canary seed components for food and non-food applications

249th National Meeting (2015)

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