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2015, Number 4

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Rev Cubana Plant Med 2015; 20 (4)

Study of the drying kinetics of leaves Bauhinia cheilantha (Bong.) Steud . (mororó)

Alves MJJ, Cordeiro SF, Trindade RAP, Nobre MJ, Palmeira GJ

Language: Portugués
References: 29
Page: 397-408
PDF size: 175.14 Kb.


ABSTRACT

Introduction: Bauhinia cheilantha (Bong.) Steud is a native species of South America, belonging to the fabaceae family, whose popular name is mororó, and has been used in folk medicine to treat diabetes, anti-inflammatory, digestive disorder, rheumatism, sedative.
Objective: to determinate the drying curves for mororó sheets and adjust different mathematical models to experimental data, according to the drying temperature and air velocity.
Methods: The initial water content of the leaves was determined by standard oven at 105 ± 3°C for 24 hours, with three replicates. For each treatment were used in drying about 150g per replicate leaves. To adjust the mathematical models to experimental analysis was carried out non-linear regression by the method Quasi- Newton, through software Statistica 5.0®, wherein the values of parameters were estimated from the temperature and flow air drying.
Results: The model that best represented the drying process of mororó for the temperature range 40-60°C was the Midilli.
Conclusions: The results showed that with the addition of Temperature promoted a greater reduction in drying time.


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