Halosterols A and B, Chymotrypsin Inhibitory Sterols from Haloxylon recurvum

Shafqat Hussain; Ejaz Ahmed; Abdul Malik; Abdul Jabbar; Muhammad Ashraf; Muhammad Arif Lodhi; Muhammad Iqbal Choudhary

doi:10.1248/cpb.54.623

Regular Articles

Halosterols A and B, Chymotrypsin Inhibitory Sterols from Haloxylon recurvum

Shafqat Hussain, Ejaz Ahmed, Abdul Malik, Abdul Jabbar, Muhammad Ashraf, Muhammad Arif Lodhi, Muhammad Iqbal Choudhary

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Keywords: Haloxylon recurvum, sterol, halosterol A, halosterol B, chymotrypsin inhibition

JOURNAL FREE ACCESS

2006 Volume 54 Issue 5 Pages 623-625

DOI https://doi.org/10.1248/cpb.54.623

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Abstract

Two new sterols, halosterols A (1) and B (2), have been isolated from the CHCl₃ soluble fraction of Haloxylon recurvum, and their structures were elucidated by spectroscopic techniques including two dimensional-NMR. Both the compounds displayed chymotrypsin enzyme inhibitory potential.

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