H5N1

Ganoderic acid TR is a broad-spectrum inhibitor of influenza neuraminidases (NAs), particularly H1N1 and H5N1 neuraminidases, with IC50 values of 4.6 and 10.9 μM, respectively.

Trans-Clovamide (trans-Clovamide) is a naturally occurring caffeoyl conjugate identified in the antioxidant polyphenolic fraction of cocoa (T. cacao L.) Trans-Clovamide is a potent antioxidantand that has shown neuroprotective effects (EC50s = 0.9-3.7 µM) in several in vitro models of neuronal death. Trans-Clovamide is an excellent ROS and oxygen radical scavenger and also has anti-inflammatory and neuroprotective effects. Clovamide is an anti-microbial with activity against the human pathogens influenza A subtype H5N1, Trypanosoma evansi, and Heliobacter pylori.

Dryocrassin ABBA (Dryocrassin) is a flavonoid natural product derived from Dryopteris crassirhizoma, with antiviral and antibacterial activities.

Filixic acid ABA exhibits inhibitory effects on neuraminidase of influenza virus H5N1 with IC50 as 29.57 ± 2.48 μM, it may have anti-influenza virus activity.

3-O-Feruloylquinic acid is a protease inhibitor, it exerts moderate inhibitory effect against AIV (H5N1) in vitro.

Asebotin shows anti-influenza A virus activity, it also possesses potent antiviral activity (100% inhibition at the concentration of 1 ug mL) against highly pathogenic avian influenza strain H5N1. Asebotin can inhibit the proliferation of murine B cells.

Ganoderic acid T-Q and TR are two inhibitors of H5N1 and H1N1 NAs.