Altenuene is a mycotoxin, it frequently occurs in food and feed items infested by fungi of the genus Alternaria. Altenuene demonstrates moderate activity against Staphylococcus aureus. Altenuene also exhibits cytotoxic activity against lung cancer cell line A549, breast cancer cell line MDA-MB-231 and pancreatic cancer cell line PANC-1.

Piperlonguminine is an alkaloid amide isolated from the Piper species.?Piperlonguminine shows anti-inflammatory, antitumor, neuroprotective, anti-platelet, anti-melanogenic, antifungal and antibacterial activities.Piperlonguminine is an inhibitor of Akt/mTOR signalling.

Prunin possesses anti-diabetic, and anti-abacterial properties, it can inhibit protein tyrosine phosphatase 1B (PTP1B) and stimulate glucose uptake in insulin-resistant HepG2 cells; it also can stimulate growth of Pseudomonas aeruginosa and different Bacilllus sp.