Fatima Zohra

5 Questions 2 Answers 0 Followers

Questions related from Fatima Zohra

Is the identification of the compounds by HPLC method using standards enough?

Hi everyone Can i identify Peaks of complicated crud extract by congruent retention times compared with standards without using other methods ? Thank you in advance

09 January 2018 5,799 7 View

Is it reasonable the big values of IC 50 (DPPH methode ) of the crude extract ?

values of IC 50 (DPPH methode ) of the crude extract of mature dates Knowing that the DPPH concentration is 0,25 g/l

29 August 2017 7,876 3 View

How can I study the anti-inflammatory activity?

I need to study the anti-inflammatory activity of the crude Mtanolic extracts . What is the method?

26 July 2017 4,400 6 View

Plot of the absorbance fall with respect to the concentration of extracts How is ?

Plot of the absorbance fall with respect to the concentration of extracts Must be a straight line or not ? it can increase and decrease ?

25 March 2017 1,064 2 View

The emergence of violet when I adding Aluminium chloride (AlCl3) to crude extract what it means?

I have added Aluminium chloride (AlCl3) ethanolique to the crude extract of the dates fruit in order to measure the absorption by spectrophotometre .Instead of the emergence of the yellow color...

10 February 2017 5,468 3 View