Khalid Mohammed Khan
University of Tübingen
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The Open Conference Proceedings Journal | 2014
Fauziah Abdullah; Fadzureena Jamaludin; Nor Hadiani Ismail; Khalid Mohammed Khan; Siti Nur Aisyah Mohd Hashim
Preliminary screening study revealed that the methanolic extract of the stem of T. indica showed xanthine oxidase inhibitory activity in a concentration-dependent manner. EA fraction was selected to be further study due to its potential to inhibit xanthine oxidase enzyme with IC 50 value of 21.14 ∝g/ml which in lower than IC 50 value of MeOH extract, 42.02 ∝g/ml. Further separation and purification of EA fraction led to the isolation of two known compounds. Those compounds were identified by analysis of their spectroscopic data and comparisons with literature data to be betulinic acid and 5,7-dihydroxyl-8-methoxyflavone.
Letters in Organic Chemistry | 2005
Khalid Mohammed Khan; Shakeel Ahmed; Zia A. Khan; Mubeen Rani; Shahnaz Perveen; M. I. Choudhary; Atta-ur-Rahman
Liebigs Annalen | 1995
Farnaz Malik; Mashooda Hasan; Khalid Mohammed Khan; Shahnaz Perveen; Günther Snatzke; Helmut Duddeck; Wolfgang Voelter
Liebigs Annalen | 1995
Mashooda Hasan; Naghmana Rashid; Khalid Mohammed Khan; Günther Snatzke; Helmut Duddeck; Wolfgang Voelter
Archive | 2014
Khalid Mohammed Khan; Momin Khan; Ajmal Khan; Shahnaz Perveen; Farzana Naz; M. Iqbal Choudhary
Liebigs Annalen | 2006
Farnaz Malik; Mashooda Hasan; Khalid Mohammed Khan; Shahnaz Perveen; Günther Snatzke; Wolfgang Voelter; Helmut Duddeck
Letters in Organic Chemistry | 2005
Khalid Mohammed Khan; Zia-Ullah; Shahnaz Perveen; Ghulam Murtaza Maharvi; Syed Tasadaque Ali Shah; Nida Ambreen; M. I. Choudhary; Atta-ur-Rahman; Wolfgang Voelter
Archive | 2013
Khalid Mohammed Khan; Momin Khan; Muhammad Imran Ali; Muhammad Irfan Qadir; Shahnaz Perveen; Aneela Karim; Muhammad Iqbal Choudhary
Archive | 2011
Zahid Hussain; Khalid Mohammed Khan; Shahnaz Perveen; Nida Ambreen; Wajid Rahman; Ata Ullah
Journal Fur Praktische Chemie-chemiker-zeitung | 1995
Syed Safdar Ali; Khalid Mohammed Khan; Hartmut Echner; h.c. Wolfgang Voelter; Mashooda Hasan; Atta-ur-Rahman