Ousman Brahim Mahamat

4 Questions 6 Answers 0 Followers

Questions related from Ousman Brahim Mahamat

Is it possible that flavonoids are more abundant than polyphenols in any plant extract?

Flavonoid contents become more abundant than polyphenols. Is it normal?

30 March 2025 3,354 3 View

The extracts showing the greatest inhibitory zones by the well diffusion method are not always those with lowest MIC, please explain Why ?

Please needs to explain: The relationship between the great inhibitory zone (in antibacterial activity) and the lowest or greatest MIC, Why? Thanks

16 August 2023 6,742 6 View

How to choose the optimal volume of sample and the solubilizing solvent for GC-MS analysis ?

I should realize a GC-MS analysis for a fixed oil, and to avoid the worse injection volume of both (volume of sample and the solubilizing solvent), I need some guidelines by researchers. Thanks in...

16 May 2022 583 2 View

How to calculate Total Phenolic Compounds with Aqueous extract obtained (it means that it is a mass concentration not volum concentration) by Soxhlet?

Experiment: Weight of sample dried : 25g of leaves Weight after Soxhlet extraction: 100ML The crude extracted were not dissolved because it is aqueous volume Amount used in FC assay: 500µL of...

17 June 2021 544 0 View