Wittaya Teppaitoon

Solving L-L Extraction Problems with Excel Spreadsheet.

Wittaya Teppaitoon, 2016 .

Supercritical CO2 extraction of nimbin from neem seeds : a modelling study

Ali Elkamel, Peter L. Douglas, Wittaya Teppaitoon, 2005 .

Supercritical antisolvent precipitation of andrographolide from Andrographis paniculata extracts: Effect of pressure, temperature and CO2 flow rate

Peter L. Douglas, Wittaya Teppaitoon, Supaporn Douglas, 2010 .

Extraction of nimbin from neem seeds using supercritical CO2 and a supercritical CO2–methanol mixture

Peter L. Douglas, Wittaya Teppaitoon, Supaporn Douglas, 2004 .