Based on a brief revision of what constitutes state-of-the-art “quantitative experimental
conditions” for 1H quantitative NMR (qHNMR), this comprehensive review contains almost …

The use of herbs for treating various ailments dates back several centuries. Usually, herbal
medicine has relied on tradition that may or may not be supported by empirical data. The …

The newly established hyphenated instrumentation of LC/DAD/SPE/NMR and LC/UV/(ESI)
MS techniques have been applied for separation and structure verification of the major …

St. John's wort (Hypericum perforatum L.) is a medicinal plant traditionally used, both
externally and internally, in all Europe for many pathologies. Paracelsus named it “arnica of …

The increasing diffusion of herbal products is posing new questions: why are products so
often different in their composition and efficacy? Which approach is more suitable to …

The phloroglucinol derivative hyperforin has been recently shown to be a major
antidepressant component in the extract of Hypericum perforatum. Experimental studies …

▪ Abstract Botanicals such as herbal products (HPs) and nutraceuticals (NCs) are often
regarded as low risk because of their long history of human use. Anecdotal and literature …

Quercetin (QUE) has attracted widespread attention in food industries because of its
potential bioactive functions. However, the application of QUE is quite limited due to its poor …

The occurrence of triterpene pentacyclic acids in plants is extensive, but little is known about
their availability in commercial extracts. A simple GC–MS method for the simultaneous …

The changes in the stability of antioxidant capacity with time and its relation to the phenolic
content were evaluated in eight Indian herbal teas. These herbal teas are claimed to be …