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|Type:||Artigo de periódico|
|Title:||Drying rates in shrinking medium: Case study of banana|
|Abstract:||Drying of foodstuffs is used to improve product stability, but presents some potentially harmful side effects such as shrinkage. The reduction of the relative humidity of the environment was studied in this work to substitute heating during drying, also taking into account the effect on shrinkage. Drying experiments of cylindrical slices of banana were conducted in commercial equipment, with controlled temperature and relative humidity. The samples of banana. with diameter/thickness aspect ratio of approximately five, were used. Results showed the existence of a constant drying flux period is when the variation of the transfer area is taken into account, which is evidence that the shrinking is two-dimensional. Relative humidity, and not only temperature, influences the final characteristics of the product. With this, an equivalence project of drying rates is considered in different conditions for the optimization of energy costs and product quality.|
|Editor:||Brazilian Soc Chemical Eng|
|Citation:||Brazilian Journal Of Chemical Engineering. Brazilian Soc Chemical Eng, v. 24, n. 4, n. 561, n. 569, 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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