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Analysis of Flavonoid in Medicinal Plant Extract Using Infrared Spectroscopy and Chemometrics
- L. Wulandari, Y. Retnaningtyas, Nuri, Hilmia Lukman
- Chemistry, MedicineJournal of analytical methods in chemistry
- 26 July 2016
Infrared (IR) spectroscopy combined with chemometrics has been developed for simple analysis of flavonoid in the medicinal plant extract and PLS and LDA of NIR models were further used to predict unknown flavonoids content in commercial samples.
DETERMINATION OF INULIN FROM MULTIVITAMIN SYRUP PRODUCT BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY WITH RI DETECTOR
- Y. Retnaningtyas
- 4 June 2012
At present, inulin is often added to multivitamin syrup product. The determination of the component of preparation both qualitatively and quantitatively is important to ensure quality of the product.…
A novel molecular imprinting polymer for the selective adsorption of D-arabinitol from spiked urine
- Y. Retnaningtyas, G. Supriyanto, Ni NYOMAN TRI PUSPANINGSIH, R. Irawan, Siswandono Siswodihardjo
- MedicineTurkish journal of chemistry
- 26 October 2020
In this research, molecular imprinting polymers for D-arabinitol were synthesized using a bulk polymerization method through a noncovalent approach and showed that the MIPs produced followed the Freundlich equation with an R-value of 0.97.
Pengujian Aktivitas Antioksidan Kombinasi Ekstrak Metanol Daun Mangga Gadung (Mangifera indica L. var. gadung) dan Ekstrak Etanol Daun Pandan Wangi (Pandanus amaryllifolius Roxb.) (Antioxidant…
The content of polyphenolic compounds in mango and fragrant pandan leaves has been showed an antioxidant activity and commonly used as traditional treatment of some diseases. The aim of this research…
Validated TLC-densitometry method for determination of chlorogenic acid in coffee leaves extract.
Thin Layer Chromatography method has been developed and validated for determination of chlorogenic acid in coffee leaves extract. The method was developed using a mobile phase prepared with…
STUDY OF ANTIOXIDANT ACTIVITY COMBINATION OF ARABICA COFFEE LEAF ETHANOL EXTRACT AND ROSELLE FLOWER PETAL WATER EXTRACT
Free radicals are molecules that have one or more unpaired electrons. As we know that some cardiovascular diseases such as heart disease, diabetes mellitus, and cancer are diseases that triggered by…
KARAKTERISASI SIMPLISIA DAN TEH HERBAL DAUN KOPI ARABIKA (Coffea arabica)
Penetapan Kadar Inulin dalam Ekstrak Umbi Dahlia variabilis dan Dahlia pinnata dengan Metode KLT Densitometri (Determination of Inulin Content in Dahlia variabilis and Dahlia pinnata Tuber Extract by…
The inulin content in Dahlia variabilis and Dahlia pinnata tuber extract were significantly different and it can be known the most effective type of dahlia to be the major source of inulin production.
Synthesis and Characterization of Molecularly Imprinted Polymer as Adsorbent for D-arabinitol
D-arabinitol is a metabolite product typically of several Candida species that are pathogenic and potentially used for candidiasis markers. In this study, a molecularly imprinted polymers (MIPs) of…