Ashray Gupta

9 Questions 18 Answers 0 Followers

Questions related from Ashray Gupta

I am having problem in handling HPLC, ELICO - make , can anyone help me out in this?

while operating this ISOCRATIC HPLC, ELICO MAKE, with C-18 Column, 1ml/min, Manual injection i get only hill like peaks and nothing else. i have also tried various mobile phases but at the end i...

22 November 2022 6,342 7 View

Any body working on Australia Origin Duboisia Myoporoides Leaves??

Duboisia myoporoides is an Australian origin plant and mostly found in the regions of Queensland and South Wales . I am doing research on Alkaloidal plant and require some sample of the above plant.

26 October 2019 3,006 0 View

What is the percentage (%) amount of 18β-glycyrrhizic acid in Total Glycyrrhic acid?

I have a procedure for analysis of total Glycyrrhic acid in Liquorice Dry Extract. But I want to evaluate 18β-glycyrrhizic acid. Can anybody tell me what is the percentage content of...

11 October 2014 3,974 2 View

What is the best way of reducing bioburden in a finished powdered product?

I have a problem of high bio burden (TAMC TYMC E choli etc) in some of my products. I have managed to reduce Yeast and Fungi with dry heating at 100 C but i am not able to reduce E .Choli . Please...

20 July 2014 9,067 3 View

Does anyone know the solubility, assay and other information on berberine citrate?

I am working on the manufacturing of berberine citrate in my lab. I am unable to find out the actual technical properties of berberine citrate including its solubility, assay and other information.

26 October 2013 2,051 0 View

Can anyone suggest a simple method of determination of chloride in berberine tannate?

Please suggest a simple method of determination of chloride in berberine tannate. The method given in JP (Japanese Pharmacopoeia) is very complicated and is very confusing. Please suggest any...

18 August 2013 4,004 2 View

Please tell me the assay method for calculation of phosphate in sodium hexametaphosphate

01 March 2013 9,064 2 View

Can any one guide me about designing of extraction plant by super Critical Carbondioxide

I have a project on designing of extraction plant by super critical carbon dioxide, what are the essential steps?

27 January 2013 9,644 2 View

Can anyone guide me with the simple assay methods for the different salts of berberine? Titration or a UV method is preferable.

Berberine

15 January 2013 1,899 0 View