Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.19/1777
Título: Variation of physical properties of banana along drying for cvs. Musa nana and Musa cavendishii
Autor: Barroca, Maria João
Guiné, Raquel
Palavras-chave: banana
dried
density
colour
texture
Data: 2013
Citação: Barroca MJ, Guiné RPF. (2013) Variation of physical properties of banana along drying for cvs. Musa nana and Musa cavendishii. Proceedings of the VII Congreso Ibérico de Agroingeniería y Ciencias Hortícolas, Madrid, Espanha, Ref. C0158, 6pp.
Resumo: Bananas from two different cultivars, Musa nana and Musa cavendishii, were dried by hot air at two different temperatures (50 ºC and 70 ºC) with the purpose of comparing their properties with the corresponding fresh products. Along the drying process, it was possible to conclude that bulk density of both types of banana increased as the water content was diminishing. The results also indicate that drying originated darker products when compared to the fresh ones, with lower L* (luminosity) and b* (yellowness) and with higher a* (intensification of reddish color). These results were obtained for both cultivars under study and the two hot air temperatures (50 ºC and 70 ºC). With respect to texture, it was observed a reduction of hardness, with drying at 70 ºC, higher than 60 % for the two banana varieties, when compared with the fresh fruits. In addition, the values of cohesiveness and springiness are similar among the fresh and dried state, independently of the banana variety and the temperature of drying.
Peer review: yes
URI: http://hdl.handle.net/10400.19/1777
Aparece nas colecções:ESAV - DIA - Documentos de congressos (comunicações, posters, actas)

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