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We analysed the bioactive compounds in Panax ginseng C.A. Meyer by using nanoparticle-assisted laser desorption/ionisation (nano-PALDI) mass spectrometry (MS). To this end, we prepared manganese oxide nanoparticles (d=5.4nm) and developed a nano-PALDI MS method to analyse the standard ginsenosides and identify these ginsenosides in an extract of P. ginseng. The nanoparticles served as an ionisation-assisting...
Wild mushrooms are important for the diet of some communities in Mexico. However, limited information exists on their chemical composition, contribution to the diet, and health effects. We characterized seventeen wild mushroom species growing in the state of Queretaro in Central Mexico. Most species analyzed were edible, but also included nonedible, medicinal, poisonous and toxic specimens. Whole...
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