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  • Title: [Thermodynamic analysis of water adsorption and desorption process of Chinese herbal decoction pieces].
    Author: Cheng L, Luo XJ, Han XL, Wang WK, Rao XY, Xu SZ, He Y.
    Journal: Zhongguo Zhong Yao Za Zhi; 2016 Sep; 41(18):3490-3495. PubMed ID: 28925137.
    Abstract:
    Based on the basic theory of thermodynamics, the thermodynamic parameters and related equations in the process of water adsorption and desorption of Chinese herbal decoction pieces were established, and their water absorption and desorption characteristics were analyzed. The physical significance of the thermodynamic parameters, such as differential adsorption enthalpy, differential adsorption entropy, integral adsorption enthalpy, integral adsorption entropy and the free energy of adsorption, were discussed in this paper to provide theoretical basis for the research on the water adsorption and desorption mechanism, optimum drying process parameters, storage conditions and packaging methods of Chinese herbal decoction pieces.
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