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Home-Grown Cereals Authority, UK
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The aim of this work was to quantify the performance of modern triticale varieties grown under UK conditions, to assess their value for the bioethanol market, and to evaluate any potential greenhouse gas savings made in comparison with production of winter wheat. Using twenty samples of winter triticale from UK Descriptive List trials harvested in 2007 (representing thirteen different varieties), alcohol yields were quantified as well as starch and protein contents, grain size and hardness. Alcohol yield was determined based on a modified method for assessment of distilling wheats for the Recommended List, and compared to alcohol yield of two Istabraq (wheat) samples of similar protein contents. Triticale was shown to be a feedstock with high potential for bioethanol production, with a soft grain, giving alcohol yields comparable with Istabraq at equivalent grain protein contents (average 436 l/t DM at 11.5% grain protein).
