Rhododendrol is an inhibitor of melanin synthesis developed for lightening/whitening cosmetics, it can competitively inhibit mushroom tyrosinase and serve as a good substrate, while it also shows cytotoxicity against cultured human melanocytes at high concentrations sufficient for inhibiting tyrosinase. (+)-Rhododendrol and epi-rhododendrin have anti-inflammatory effect, they can suppress the NO production by activated macrophages in vivo.

Physcion is a dihydroxyanthraquinone that is 9,10-anthraquinone bearing hydroxy substituents at positions 1 and 8, a methoxy group at position 3, and a methyl group at position 6. It has been widely isolated and characterised from both terrestrial and marine sources. It has a role as a metabolite, an antibacterial agent, an antineoplastic agent, an antifungal agent, a hepatoprotective agent, an anti-inflammatory agent and an apoptosis inducer. Physcion shows cytotoxic effect on human cervical carcinoma HeLa cells and its apoptosis induction in HeLa cells was investigated by the expressions of p53, p21, Bax, Bcl-2, caspase-9, and caspase-3 proteins. Physcion controls powdery mildew mainly through changing the expression of defence-related genes, and especially enhancing expression of leaf-specific thionin in barley leaves.

Brevilin A is a strong impetus for the development of selective JAK-STAT inhibitors and therapeutic drugs in order to improve survival of patients with hyperactivated JAKs and STATs. Brevilin A shows antigiardial activity (IC50 = 16.1 μM) and is similarly active in vitro against Entamoeba histolytica (IC50 between 4.5 and 9 μM) and against Plasmodium falciparum (IC50 = 9.42 μM).

Bufalin a major digoxin-like immunoreactive component of the Chinese medicine Chan Su; has been shown to exert a potential for anticancer activity against various human cancer cell lines in vitro. Bufalin is a potent small-molecule inhibitor of the steroid receptor coactivators steroid receptor coactivator (SRC)-3 and SRC-1, it also as a potentially broad-spectrum small-molecule inhibitor for cancer. Bufalin can partly reverse the MDR of K562/VCR cells, with a possible mechanism of down-regulating MRP1 expression and activating apoptosis pathway by altering Bcl-xL/Bax ratio. Bufalin is a 14beta-hydroxy steroid that is bufan-20,22-dienolide having hydroxy substituents at the 5beta- and 14beta-positions. It has been isolated from the skin of the toad Bufo bufo. It has a role as an antineoplastic agent, a cardiotonic drug, an anti-inflammatory agent and an animal metabolite. It is a 3beta-hydroxy steroid and a 14beta-hydroxy steroid. It is functionally related to a bufanolide.

Gomisin G is a drug candidate for treatment of cardiovascular disease, and it is a good substrate of CYP2C9, and can be easily affected by the inhibitors of CYP2C9. Gomisin G exhibits anti-tumor activities, it exhibits potent anti-HIV activity with EC50 and therapeutic index (TI) values of 0.006 microgram/mL and 300, respectively.

Bruceoside A could be transformed into the potent anticancer component brusatol in vivo, rather than its direct deglycosylated metabolite bruceosin. It significantly inhibited P-388 lymphocytic leukemic cell RNA and protein synthesis in tissue culture.

Cryptotanshinone is a potent STAT3 inhibitor with IC50 of 4.6 μM, and inhibits STAT3 Tyr705 phosphorylation in DU145 prostate cancer cells. It is also an AR inhibitor to suppress androgen/AR-mediated cell growth and PSA expression by blocking AR dimerization and the AR-coregulator complex formation. Cryptotanshinone has anti-atherosclerosis, neuroprotective, anti-cancer,and anti-neointimal formation activities. Cryptotanshinone reverses DEX-induced androgen excess and ovarian IR in mice through activation of insulin signaling and the regulation of glucose transporters and hormone-synthesizing enzymes, it has an inhibitory effect on MMP-9 production and migration of human aortic smooth muscle cells treated with TNF-alpha in a dose-dependent manner. Cryptotanshinone is an abietane diterpenoid. It has a role as an anticoronaviral agent.

Urolithin A is a member of coumarins and a urolithin. It has a role as a geroprotector.

Galangin is an agonist/antagonist of the arylhydrocarbon receptor, and also shows inhibition of CYP1A1 activity. Galangin has anti-proliferation, anti-metastatic, anti-inflammatory, vasorelaxant, antiviral, anti-allergic inflammatory,anti-obesity effects; it may be a potential candidate for the treatment of vitiligo. Galangin can inhibit Topo I activity and reduce the unwinding rate of single stranded DNNA in tumor cells, which plays an important role in induction of A549 and H46 cell apoptosis. Galangin shows an inhibitory effect on acetylcholinesterase (AChE) activity with the IC(50) of 120 microM; it also inhibits ERK, NF-κB-p65 and proinflammatory gene expression. Galangin is a 7-hydroxyflavonol with additional hydroxy groups at positions 3 and 5 respectively; a growth inhibitor of breast tumor cells. It has a role as an antimicrobial agent, an EC 3.1.1.3 (triacylglycerol lipase) inhibitor and a plant metabolite. It is a trihydroxyflavone and a 7-hydroxyflavonol.

Isosinensetin shows antioxidant and HIV-1 protease inhibiting activities. Isosinensetin is an ether and a member of flavonoids.

Oleuropein aglycone is a secoiridoid that is the methyl ester of 3,4-dihydro-2H-pyran-5-carboxylic acid which is substituted at positions 2, 3, and 4 by hydroxy, ethylidene, and carboxymethyl groups, respectively and in which the carboxylic acid moiety of the carboxymethyl substituent has been converted to the corresponding 3,4-dihydroxyphenethyl ester (the 2R,3E,4S stereoisomer). The most important phenolic compound present in olive cultivars. Oleuropein exhibits anti-ischemic, antioxidative, hypolipidemic, in vitro antimycoplasmal , anti-inflammatory, and anti-cancer effects., it also may be helpful in the prevention of diabetic complications associated with oxidative stress. Oleuropein prevents oxidative myocardial injury induced by ischemia and reperfusion, and reduces viremia in duck hepatitis B virus (DHBV)-infected ducks. Oleuropein reduces TLR and MAPK signaling.

Panaxydol has anti-cancer activity, can inhibit the growth and apoptosis of cancer cells, the signaling mechanisms involve a [Ca(2+)](i) increase, JNK and p38 MAPK activation, cAMP, MAP kinase and ROS generation through NADPH oxidase and mitochondria. It induces the differentiation in C6 cells, may through a PI 3-K-dependent pathway. Panaxydol is a natural product found in Panax ginseng. It is an epoxide, an acetylenic compound and an olefinic compound.

(-)-Guaiol is a biocatalyst. Guaiol has insecticidal activity.

Chelidonine is a promising model compound for overcoming MDR and for enhancing cytotoxicity of chemotherapeutics, especially against leukaemia cells, its efficacy needs to be confirmed in animal models. Chelidonine may be a potential therapeutic agent against metastasis of invasive human cancer cells, exhibits anti‑migratory and anti‑invasive effects in MDA‑MB‑231 cells, by suppressing COL‑I‑induced integrin signaling, through inhibiting the formation of the IPP complex and subsequent down‑regulation of IPP downstream signaling molecules, such as Akt and ERK1/2. Chelidonine is an alkaloid fundamental parent, a benzophenanthridine alkaloid and an alkaloid antibiotic.