The impetus for developing analytical methods for phenolic compounds in natural products
has proved to be multifaceted. Hundreds of publications on the analysis of this category of …

The chemical analysis and quality control of Ginkgo leaves, extracts, phytopharmaceuticals
and some herbal supplements is comprehensively reviewed. The review is an update of a …

Several flavonoids present in red grape skins from four varieties of Portuguese grapes were
determined by reverse-phase high-performance liquid chromatography (RP-HPLC) with …

Flavonoids are generalized, broad-spectrum, healthy substances that naturally exist in the
plant kingdom. The great need for flavonoid consumption leads to finding new sample …

Phenolic compounds represent a class of highly complex naturally occurring molecules that
possess a range of beneficial health properties. As a result, considerable attention has been …

A local herb, Kacip Fatimah, is famous amongst Malay women for its uses in parturition;
however, its phytochemical contents have not been fully documented. Therefore, a study …

Monolithic continuous separation media are gradually finding their way to sample pre-
treatment, isolation, enrichment and final analytical separations of a plethora of compounds …

A reversed-phase high-performance liquid chromatographic (RP-HPLC) method was
developed and validated for the simultaneous determination of four flavonol aglycones …

Isoflavones are natural substances which elicit a number of physiological effects in living
organisms. The substances are synthesized in plant tissues as protective agents against …

The aim of this work was to develop a fast method for extraction and analysis of
anthocyanins in red cabbage. Pressurized hot water containing 5% of ethanol was used as …