Evaluation of the quality during the storage of the dry leaf tile (Justice pectoralis J. var. pectoralis)
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Abstract
During the shelf life, a product should maintain the sensorial characteristics and of security for the consumer. However, the adsorption of water can bring I get variations organoleptics that attempt against the quality of the same one. The objective of this investigation was to evaluate the quality during the storage of the dry leaf tile (Justice pectoralis J. var. pectoralis), through the changes in the color, in the content of humidity, the presence of microorganisms and the cumarina. In the drying solar of the leaf, the temperature and relative humidity average they were 37 °C and 78 % respectively. For the study the storage conditions were: relative humidity and temperature ambient, in three container types for one year. Under those conditions four indicators of quality were evaluated and they were correlated two of them statistically. The results demonstrate that the useful life of the dry tile is more limited for the gain of humidity that for the changes of coloration, due to the high capacity of adsorption of this material under the environmental conditions of Cuba. If it is stored with a humidity below 8 %, the quality microbiological and medicinal also guaranteed for one year at 27 ± 2 °C of temperature and at 67 ± 7 % relative humidity, in glass flasks, of plastics or bags trilaminadas.
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References
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