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Application of an HPLC method for analysis of propolis extract
(Marcel Dekker Inc, 2003-01-01)
Propolis obtained from honeybee hives has been widely used in medicine, cosmetics, and industry due to its versatile biological activities (antioxidant, antimicrobial, fungicidal, antiviral, antiulcer, immunostimulating, ...
Determination of oxamniquine in capsules by HPLC
(Elsevier B.V., 2001-11-01)
A sensitive, accurate, reliable and easy method was developed for the quantification of oxamniquine in capsules using high-performance liquid chromatography (HPLC) with UV detection. This technique provided conditions for ...
Major carotenoid composition of Brazilian Valencia orange juice: Identification and quantification by HPLC
(Elsevier B.V., 2005-01-01)
The carotenoid composition of Brazilian Valencia orange juice was determined by open column chromatography (OCC) and high-performance liquid chromatography. Carotenoid pigments were extracted using acetone and saponified ...
Phenylalanine ammonia-lyase activity in soybean roots extract measured by reverse-phase high performance liquid chromatography
(Georg Thieme Verlag, 2000-03-01)
The high performance liquid chromatography (HPLC) technique was applied to measure phenylalanine ammonia-lyase (PAL, EC 4.3.1.5) activity in soybean (Glycine max L. Merril cv. BR16) roots. t-Cinnamate, the catalytic product ...
Validated HPLC method for the standardization of Phyllanthus niruri (herb and commercial extracts) using corilagin as a phytochemical marker
(John Wiley & Sons Ltd, 2009-06-01)
Phyllanthus niruri L., commonly known in Brazil as 'quebra-pedra', has long been used in the treatment of diverse diseases and especially urolithiasis. The therapeutic effects of P. niruri are attributed to various compounds ...
Performance characteristics of bioassay, UV-spectrophotometry and high performance liquid chromatographic determination of sparfloxacin in tablets
(2001-01-01)
The microbiological bioassay, the UV-spectrophotometry and the high performance liquid chromatography (HPLC) methods for assaying sparfloxacin in tablets were compared. The accuracy, repeatability, and precision of each ...
Sources of errors in the quantitative analysis of food carotenoids by HPLC
(Archivos Latinoamericanos Nutricion, 1999-09-01)
Several factors render carotenoid determination inherently difficult. Thus, in spite of advances in analytical instrumentation, discrepancies in quantitative results on carotenoids can be encountered in the international ...
Determination of the triacylglycerol composition of coffee beans by reverse-phase high-performance liquid chromatography
(Phytochemical Analysis, 2017)