Natural products have long been providing important drug leads for infectious diseases. Leishmaniasis is a major health problem worldwide that affects millions of people especially in the developing nations. There is no immunoprophylaxis (vaccination) available for Leishmania infections, and conventional treatments are unsatisfactory; therefore, antileishmanial drugs are urgently needed. In thi...

Abstract The present study aims to improve the knowledge of Simaroubaceae in Reserva Ducke, Manaus, Amazonas. It is based on morphological analysis herbaria collections and field expeditions. family represented that area by six species belonging four genera: Homalolepis (1 sp.), Picrolemma Simaba (3 spp., including a new one described herein), Simarouba sp.). Identification keys, descriptions, ...

Cancer is becoming a high-profile disease throughout the world and for its treatment most prevalent technique chemotherapy which has limitations due to many toxic or side effects on healthy non-cancerous body parts. Therefore, there demand alternative supportive anticancer agents treatments are naturally-derived with minimal effects. This review paper highlights therapeutic importance, safety, ...

Further examination of the hexane extract of the root bark of Simarouba amara (Simaroubaceae) has led to the isolation of two side chain oxygenated A’tirucallol-type triterpenes in addition to the already reported compounds 4 and S. One has been found to be identical with the known melianone 8 and the second is a new compound and has been shown to be 21,20-anhydromelianone 11. The 13C-NMR spect...

Differences in forest productivity due to climate change may result in permanently altered levels of litterfall and litter on the forest floor. Using experimental litter removal and litter addition treatments, we investigated the effects of increased and decreased litterfall on early-stage litter decomposition and the abundance of meso-arthropods in a moist tropical forest. Litterbags containin...

1. Department of Botany, Ramjas College, University of Delhi, Delhi, India-110007 [Email: [email protected]; Tel: +919953228994] 2. Department of Botany, Ramjas College, University of Delhi, Delhi, India-110007 3. Department of Botany, Ramjas College, University of Delhi, Delhi, India-110007 4. Department of Botany, Ramjas College, University of Delhi, Delhi, India-110007 5. Departments of Zo...