All submissions of the EM system will be redirected to Online Manuscript Submission System. Authors are requested to submit articles directly to Online Manuscript Submission System of respective journal.
Abstract
Microbial conversion of coumarin.
Author(s): SH El-Sharkawy
University of Mansoura, College of Pharmacy, Dept. of Pharmacognosy, Mansoura 35516, Egypt
Correspondence Address:
S H El-Sharkawy University of Mansoura, College of Pharmacy, Dept. of Pharmacognosy, Mansoura 35516, Egypt
University of Mansoura, College of Pharmacy, Dept. of Pharmacognosy, Mansoura 35516, Egypt
Correspondence Address:
S H El-Sharkawy University of Mansoura, College of Pharmacy, Dept. of Pharmacognosy, Mansoura 35516, Egypt
Coumarin was converted by Glecocladium roseum NRRL 1859 into three metabolities 4-hydroxycoumarin, 7-hydroxycoumarin and 6,7- dihydroxy-coumarin-6-glucoside in 21 percent, 26 percent and 10.5 percent yield, respectively. 7-methoxycoumarin was obtained (13 percent) by transformation of coumarin by C. tropicalis. The identity of the isolated metabolites were established using mp, ms, uv and both H- and C-NMR spectral analysis.
english sex video, Amateur teen porn video, mallu sex videos, xxx sunny leone xxx bf, indian porn first night, mom sex
PDF
