Ashray Gupta

10 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 6,389 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 3,076 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 4,055 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 9,123 3 View

Synthetic substitute for hyoscyamine??

Is there any synthetic substitute for hyoscyamine available in the market or studied by any scientist?? Can anyone suggest me any paper reflecting the result?

03 February 2014 118 1 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 2,107 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 4,067 2 View

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

01 March 2013 9,117 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 9,684 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 1,951 0 View