Incubation of confertifolin and isodrimenin with Mucor plumbeus, Aspergillus niger or Rhizopus arrhizus gave in good yields the corresponding 3 beta-hydroxy derivatives. From isodrimenin, the known natural 7 alpha-hydroxy ...

Benzene cluster cations are a sensitive and selective reagent ion for chemical ionization of select biogenic volatile organic compounds. We have previously reported the sensitivity of a field deployable chemical ionization ...

Some Eucalyptus species produce oils with biological activities and the effect of their interspecifc hybridization on the enantiomeric composition of terpenes has not been reported. The enantiomeric excesses of monoterpenes ...

In this work, several catalytic processes for the valorization of a series of natural monoterpenic compounds were developed, including limonene, a low cost and abundant substrate widely available in Brazil. All processes ...

Adult leaves of Melissa officinalis L. (Lamiaceae) harvested during the time of budding had been used in the study of the leaf anatomy in the identification of the secretory structures. The material was fixed in FAA 50%, ...

Adult leaves of Melissa officinalis L. (Lamiaceae) harvested during the time of budding had been used in the study of the leaf anatomy in the identification of the secretory structures. The material was fixed in FAA 50%, ...

Current chemotherapy alternative directed to the treatment of Leishmaniasis and Chagas disease shows to be inadequate because the existence of parasitic resistance to treatment, limited efficacy to certain stages of the ...