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conferenceseries.com
11th World Congress on
March 05-07, 2018 | Paris, France
Plant Biotechnology and Agriculture
Volume 6 Advances in Crop Science and Technology
ISSN: 2329-8863 Agri World 2018
March 05-07, 2018
Enthalpy-entropy compensation analysis of the powder of Taraxacum officinale’s leaves in moisture
sorption phenomena
Moussaoui Haytem, Idlimam Ali and Lamharrar Abdelkader
Cadi Ayyad University, Morocco
Taraxacum officinale is a kind of flowering plant that belongs to a vast family of Asteraceae. This family is represented by more than
2500 species. They are utilized for various purposes that include for dyspepsia, bile stimulation, bruises, rheumatism, eczema and
muscle aches. Moreover, the powder of dandelion is used as special ingredients in soups, salads, green tea and wines. The Taraxacum
officinale used in this study were collected locally in Settat region, Morocco. The aim of this study is to determine the experimental
sorption isotherms and the net isosteric heat of sorption to conserve the powder. These isotherms are a powerful tool to know the
state of water inside the product and his functional availability in the biological and chemical substances. The sorption isotherm
curves were determined experimentally for the carob seeds at 3 temperatures (30, 40, 50 °C) and relative humidity within the range of
5-90% commonly used in the drying and storage. The net isosteric heats of sorption of water were determined from the equilibrium
data at different temperatures. The compensation theory was further used to good straight lines were observed for adsorption and
desorption. The Gibbs free energy values are positive (ΔGβ>0), indicating that the sorption processes are not spontaneous.
Biography
Moussaoui Haytem is currently a PhD student and a Member in Laboratory of Solar Energy & Aromatic and Medicinal Plants, ENS Marrakesh, Physics Department,
Cadi Ayyad University, Marrakech, Morocco. He is also an Industrial Engineer. Moreover, he is a Member in Techno-Sharing Club for Student Development. He has
participated in several social activities whose aim is to help the homeless children and the old men in house of the elderly.
Moussaoui Haytem et al., Adv Crop Sci Tech 2018, Volume 6
DOI: 10.4172/2329-8863-C1-005