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| Sturm, B.; Münsterer, J.; Kammhuber, K.; Crichton, S.O.J.. |
| Hops are a key ingredient for beer brewing due to their role in the creation of the foam characteristics, bitterness of the beers and aroma. Whilst in the past foam and bitterness were the key characteristics sought by the market, the last decade has seen a steep increase in demand of aroma hops for the production of crafts beers. Color of the final product plays a major role in quality perception of traders and brewers. Therefore, color changes were investigated to estimate the impact of bulk weight and thus drying time and conditions on the upper surface of the bulk. A calibrated imaging system consisting of a CCD camera and illumination was integrated into the dryer. Further, changes of and ß acid contents were investigated. Hops of the variety... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Processing; Packaging and transportation. |
| Ano: 2016 |
URL: http://orgprints.org/30765/1/2016cigr_ageng_full_paper_barbara_sturm.pdf |
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| Crichton, S.O.J.; Münsterer, J.; Kammhuber, K.; Sturm, B.. |
| The drying of hops is a crucial post harvesting stage in the production of beer. If hops are not dried to below a specific moisture content they will spoil prior to being processed into pellets for beer production. Further to this, drying of hops is usually undertaken by farmers themselves, and with a single harvest per year the drying operation is of great economic importance for their survival. The monitoring of moisture content is usually undertaken through moisture and humidity sensors placed within the hops themselves. However this method leads to the sampling of moisture content in specific spots, and as such relies upon drying uniformity. Furthermore the moisture content of the hops at the input stage varies greatly with environmental conditions.... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Processing; Packaging and transportation. |
| Ano: 2016 |
URL: http://orgprints.org/30678/1/s_crichton_cigr2016.pdf |
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