Vinod Amritkar

5 Questions 31 Answers 0 Followers

Questions related from Vinod Amritkar

How can one minimise the solvent loss at large scale processes?

In industrial scale processes, huge quantity of solvents is used. The inefficiency in the recovery of the solvent causes problems with the economic viability of the process. How can one avoid the...

12 December 2014 7,578 6 View

Is hydrotropic extraction industrially feasible and scalable?

Hydrophobic compounds are solubilised in water by using hydrotropes. After extraction, recovery of the target compound is done by dilution. Does anyone have example of using hydrotropic extraction...

11 November 2014 7,010 2 View

How proteins are analysed by FTIR?

Proteins are complex in nature and have different structural forms. Is the qualitative and quantitative analysis by FTIR is possible for the proteins? and How?

11 November 2014 4,192 1 View

What is the solution to avoid the problem of darkening of natural products during vacuum oven drying?

The purified natural extract when dried with vacuum oven becomes dark in colour whereas the same extract when freeze dried gives colorless product. Even though the vacuum oven drying was carried...

09 September 2014 3,449 4 View

How do you resolve or separate the ursolic acid and oleanolic acid using crystallization?

I have a mixture of ursolic acid and oleanolic acid (90:10 w/w). I have to separate them in pure form. Please suggest the alternative methods other than derivatisation and column chromatography.

05 May 2014 650 4 View