Short Communication: Application of Liquid Chromatography-Photodiode Array Detector for Analysis of Whitening Agents in Cream Cosmetics

Sudibyo Martono, Iis Febriani, Abdul Rohman

DOI: 10.7324/JAPS.2018.8520    

[Abstract]           [Full Text PDF]


Short Communication: Application of Fourier transform infrared (FTIR) spectroscopy coupled with multivariate calibration for quantitative analysis of curcuminoid in tablet dosage form

Chairany Siregar, Sudibyo Martono, Abdul Rohman

DOI: 10.7324/JAPS.2018.8821    

[Abstract]           [Full Text PDF]


Research Article: Liquid Chromatography and Fourier Transform Infrared Spectroscopy for quantitative analysis of individual and total curcuminoid in Curcuma longa extract

Ratna Wulandari, Sudjadi, Sudibyo Martono, Abdul Rohman

DOI: 10.7324/JAPS.2018.8916    

[Abstract]           [Full Text PDF]


Short Communication: Validation and application of reversed-phase high-performance liquid chromatography for quantitative analysis of acid orange 7 and Sudan II in blusher products

Novalina B. R. Purba, Abdul Rohman, Sudibyo Martono

DOI: 10.7324/JAPS.2019.90714    

[Abstract]           [Full Text PDF]


Review Article: Application of response surface methodology as mathematical and statistical tools in natural product research

Florentinus Dika Octa Riswanto, Abdul Rohman, Suwidjiyo Pramono, Sudibyo Martono

DOI: 10.7324/JAPS.2019.91018    

[Abstract]           [Full Text PDF]


Short Communication: Application of FTIR spectroscopy and multivariate calibration for determination of Acid Orange 7 and Sudan II in blusher products

Novalina B. R. Purba, Abdul Rohman, Sudibyo Martono

DOI: 10.7324/JAPS.2019.91115    

[Abstract]           [Full Text PDF]