Glycyrrhizin, a pentacyclic triterpene glycoside, is the major phytochemical in licorice. This compound and its hydrolysis product glycyrrhetinic acid have been associated with the multiple therapeutic properties of licorice extracts. We have investigated the effects of 2-cyano substituted analogues of glycyrrhetinic acid on their cytotoxicities and activity as selective peroxisome proliferator...

with the tremendous expansion in the use of herbal medicine worldwide, safety and efficacy as well as quality control of herbal medicine have become important concerns for both health authority and public. in this paper, the analysis of two st. john's wort (hypericum perforatum) products and four liquorice (glycyrrhiza glabra) products by spectrophotometric and hplc methods, is explained. moreo...

In hamster cremaster muscle, it has been shown previously that contraction of skeletal muscle fibers underlying small groups of capillaries (modules) induces dilations that are proportional to metabolic rate in the two arteriolar generations upstream of the stimulated capillaries (Berg BR, Cohen KD, and Sarelius IH. Am J Physiol Heart Circ Physiol 272: H2693-H2700, 1997). These remote dilations...

The propolis used in this study is from Brunei Darussalam, including G. thoracica, H. itama, and T. binghami. This focuses on evaluating phytochemicals, the total content of polyphenols flavonoids, marker compounds, anti-fungal activity Brunei. Until now, research compounds contained still being carried out. However, literature chemical compound limited. results using LC-MS/MS found as many 21 ...