Graduate Thesis Or Dissertation
 

Continued exploration of barley genotype contribution to beer flavor and the application of this knowledge to variety development and release

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/3197xv813

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  • Investigation on barley genotype contribution to beer flavor is a relatively new area of research but has interest from members of the malting barley supply chain. This body of work builds upon previous studies by approaching it from new angles that further supports the malting and brewing industries’ interests around heritage malting barley varieties, the development of winter-habit barley lines, and further adaptation to climate change. This dissertation consists of an introduction; four peer-reviewed manuscripts; and a general conclusion summarizing the work as a whole. The first manuscript reports the results of malting, brewing, hot steep and beer sensory, and hot steep and beer metabolomics using elite selections from a population of doubled haploids produced from crosses made with the heritage malting variety Maris Otter®. The second manuscript uses a series of malting lines (two named varieties and one elite selection) to evaluate the effect of growing location and the genotype by location interaction on beer flavor. The third manuscript takes the final accession from the first manuscript and evaluates it in a craft malting and brewing setting against a spring-habit malting variety. Finally, the fourth manuscript is the variety release report of the final accession, now named Lontra. This shows the potential for taking the knowledge gained through evaluating barley genotype effect on beer flavors to developing an alternative variety release pipeline for lines of interest but otherwise out of the mainstream.
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