Nature gifts medicinal plants with the untapped and boundless treasure of active chemical
constituents with significant therapeutic potential that makes these plants a beneficial source …

Neuropathic pain is a complex, chronic pain state accompanied by tissue injury and nerve
damage. This important health issue constitutes a challenge for the modern medicine …

Senna spectabilis (sin. Cassia excelsa, C. spectabilis) is an endemic tree of South America
and Africa, very common in Brazil, where it is known as “canafistula-de-besouro” and “cassia …

Several species of Senna are well known for their therapeutic properties, being used in folk
medicine to treat throat inflammation and constipation. In this regard, the anti-inflammatory …

In our continuing work looking for new anti-infective lead compounds from Brazilian biomes,
the two known piperidine alkaloids (-)-cassine and (-)-spectaline were isolated from the …