Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits
ABSTRACT ‘Sucupira-branca’ (Pterodon emarginatus Vogel) is a tree from ‘Cerrado’ and stands out mainly for its pharmacological properties; however, there are no technological information about its post-harvest operations. Thus, the aim of this study was to determine the sorption isotherms of ‘sucupi...
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Universidade Federal de Campina Grande
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| author | Daniel E. C. de Oliveira Osvaldo Resende Lílian M. Costa Glicélia P. Silva Juliana de F. Sales |
| author_facet | Daniel E. C. de Oliveira Osvaldo Resende Lílian M. Costa Glicélia P. Silva Juliana de F. Sales |
| author_sort | Daniel E. C. de Oliveira |
| collection | DOAJ |
| description | ABSTRACT ‘Sucupira-branca’ (Pterodon emarginatus Vogel) is a tree from ‘Cerrado’ and stands out mainly for its pharmacological properties; however, there are no technological information about its post-harvest operations. Thus, the aim of this study was to determine the sorption isotherms of ‘sucupira-branca’ fruits for different air conditions and obtain the values of desorption isosteric heat, depending on the equilibrium moisture content of the product. The equilibrium moisture content of ‘sucupira-branca’ fruits was determined by dynamic method for temperatures of 25, 30, 35 and 40 °C and water activities for each temperature between 0.270 and 0.775. The models Chung-Pfost, Copace, Modified Halsey, Oswin Modified and Sigma Copace obtained high coefficient of determination (R2) and low chi-square (χ2), relative mean error (P) and estimated mean error (SE), and the Copace model was selected to represent the desorption isotherms. The isosteric heat increases with the reduction of equilibrium moisture content and required more energy to remove water from the ‘sucupira-branca’ fruit. |
| format | Article |
| id | doaj-art-b27c07b893be4d09b1922fc0ffce43fd |
| institution | Kabale University |
| issn | 1807-1929 |
| language | English |
| publisher | Universidade Federal de Campina Grande |
| record_format | Article |
| series | Revista Brasileira de Engenharia Agrícola e Ambiental |
| spelling | doaj-art-b27c07b893be4d09b1922fc0ffce43fd2025-08-20T03:39:25ZengUniversidade Federal de Campina GrandeRevista Brasileira de Engenharia Agrícola e Ambiental1807-192921428528910.1590/1807-1929/agriambi.v21n4p285-289S1415-43662017000400285Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruitsDaniel E. C. de OliveiraOsvaldo ResendeLílian M. CostaGlicélia P. SilvaJuliana de F. SalesABSTRACT ‘Sucupira-branca’ (Pterodon emarginatus Vogel) is a tree from ‘Cerrado’ and stands out mainly for its pharmacological properties; however, there are no technological information about its post-harvest operations. Thus, the aim of this study was to determine the sorption isotherms of ‘sucupira-branca’ fruits for different air conditions and obtain the values of desorption isosteric heat, depending on the equilibrium moisture content of the product. The equilibrium moisture content of ‘sucupira-branca’ fruits was determined by dynamic method for temperatures of 25, 30, 35 and 40 °C and water activities for each temperature between 0.270 and 0.775. The models Chung-Pfost, Copace, Modified Halsey, Oswin Modified and Sigma Copace obtained high coefficient of determination (R2) and low chi-square (χ2), relative mean error (P) and estimated mean error (SE), and the Copace model was selected to represent the desorption isotherms. The isosteric heat increases with the reduction of equilibrium moisture content and required more energy to remove water from the ‘sucupira-branca’ fruit.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000400285&lng=en&tlng=enequilibrium moisture contentisothermswater activityisosteric heatCopace |
| spellingShingle | Daniel E. C. de Oliveira Osvaldo Resende Lílian M. Costa Glicélia P. Silva Juliana de F. Sales Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits Revista Brasileira de Engenharia Agrícola e Ambiental equilibrium moisture content isotherms water activity isosteric heat Copace |
| title | Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits |
| title_full | Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits |
| title_fullStr | Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits |
| title_full_unstemmed | Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits |
| title_short | Hygroscopicity of ‘sucupira-branca’ (Pterodon emarginatus Vogel) fruits |
| title_sort | hygroscopicity of sucupira branca pterodon emarginatus vogel fruits |
| topic | equilibrium moisture content isotherms water activity isosteric heat Copace |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000400285&lng=en&tlng=en |
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