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Standard molar enthalpy of formation of morin studied by rotating-bomb combustion calorimetry

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Wuhan University Journal of Natural Sciences

Abstract

Flavonols are plant pigments that are ubiquitous in nature. Morin and other related plant flavonols have come into recent prominence because of their usefulness as anticancer, anti-tumor, anti-AIDS, and other important therapeutic activities of significant potency and low systemic toxicity. The heat of combustion of morin (molecular formula, C15H10O7·H2O) in oxygen was measured by a rotating-bomb type combustion calorimeter, the standard molar enthalpy of combustion of morin at T = 298.15 K was determined to be Δc H ⦵m (C15H10O7·H2O, s) = −(5 937.99 ± 2.99) kJ · mol−1. The derived standard molar enthalpy of the formation of morin in solid powder state at T = 298.15 K, Δf H ⦵m (C15H10O7·H2O, s), was −(1 682.12 ± 3.58) kJ · mol−1, which provide an accurate data of the stability of morin to the pharmacy and pharmacology.

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Authors and Affiliations

  1. College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, China

    Hanna Hou & Yi Liu

  2. Department of Chemistry, Hubei University of Education, Wuhan, 430205, Hubei, China

    Hanna Hou & Jiaxin Dong

Authors
  1. Hanna Hou
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  2. Jiaxin Dong
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  3. Yi Liu
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Corresponding author

Correspondence to Yi Liu.

Additional information

Foundation item: Supported by the National Natural Science Foundation of China (30570015, 20621502), the Natural Science Foundation of Hubei Province (2005ABC002) and the Research Foundation of Chinese Ministry of Education ([2006]8-IRT0543)

Biography: HOU Hanna(1956–), female, Visiting researcher, Associate professor of Hubei University of Education, research direction: thermochemistry.

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Hou, H., Dong, J. & Liu, Y. Standard molar enthalpy of formation of morin studied by rotating-bomb combustion calorimetry. Wuhan Univ. J. Nat. Sci. 13, 103–106 (2008). https://doi.org/10.1007/s11859-008-0120-6

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  • DOI: https://doi.org/10.1007/s11859-008-0120-6

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