The chemical compositions of the aerial parts essential oils of Chamaemelum mixtum (L.) Alloni from Corsica and Sardinia were investigated employing gas chromatography and gas chromatography-mass spectrometry (GC-MS). The structure of (Z)-heptadeca-9,16-dien-7-one, a natural compound not previously described, was elucidated by GC-MS (electron impact and chemical ionization) and one-dimensiona...

The ancestral knowledge of the community Colón Putumayo unfolds in several dimensions that allow us to recognise ethnomedicinal properties plants. research focused on systematising ethnobotanical and use plants as alternatives for treating illnesses. A cross-sectional study was carried out through semi-structured questionnaires 100 inhabitants Colón. We found 38 plant species catalogued 18 bota...

We relate the fundamental stages of the long road leading to the discovery of electricity and its uses in cardiology. The first observations on the electromagnetic phenomena were registered in ancient texts; many Greek and Roman writers referred to them, although they provided no explanations. The first extant treatise dates back to the XIII century and was written by Pierre de Maricourt during...

The orchid species Dendrobium nobile belonging to the family Orchidaceae and genus Dendrobium (a vast genus that encompasses nearly 1,200 species) has an herbal medicinal history of about 2000 years in east and south Asian countries. Here, we report the complete chloroplast genome sequence of D. nobile from northeastern India for the first time.

We use the appointment of a Kenyan Roman Catholic archbishop as a natural experiment to analyze the impact of church authorities’ teaching on sexual behavior. Using a triple-difference approach, we find that following the archbishop’s counter-doctrinal assertion that condom use within a marriage can be acceptable to reduce HIV infections, Catholic married couples within the archdiocese who had ...