Picroside II (Vanilloyl catalpol) is the main active ingredient in iridoid glycosides. It has antioxidant, anti-inflammatory, immune regulatory, anti-virus and other pharmacological activities.

1. Berberine (Umbellatine) is a potent oral hypoglycemic agent with beneficial effects on lipid metabolism. 2. Berberine may as a broad-spectrum anti-microbial medicine, a complementary therapeutic agent for HIV/AIDS. 3. Berberine seems to act as an herbal antidepressant and a neuroprotector against neurodegenerative disorders. 4. Berberine is used in histology for staining heparin in mast cells. As a natural dye, berberine has a colour index of 7516. 5. Berberine reduces hepatic fat content in rats with nonalcoholic fatty liver disease; also prevents proliferation of hepatic stellate cells (HSCs), which are central for the development of fibrosis during liver injury. 6. Berberine can ameliorate proinflammatory cytokines-induced intestinal epithelial tight junction damage in vitro, and berberine may be one of the targeted therapeutic agents that can restore barrier function in intestinal disease states. 7. Berberine has antineoplastic effects, including breast cancer, leukemia, melanoma, epidermoid carcinoma, hepatoma, pancreatic cancer, oral carcinoma, tongue carcinoma, glioblastoma, prostate carcinoma and gastric carcinoma, etc.

Berberine hydrogen sulphate (Umbellatine Sulfate) , an alkaloid extracted from several plants, possesses antimicrobial activity against a wide variety of microorganisms including Gram-positive and Gram-negative bacteria, fungi, and protozoa.

Berberine chloride (Natural Yellow 18) is an alkaloid from Hydrastis canadensis L., Berberidaceae and also found in many other plants. It is relatively toxic to parenterally but has been used orally for various fungal and parasitic infections and an anti-diarrheal.

1. (R)-(+)-Corypalmine ((+)-Corypalmine) shows strong papaverine-like activity.

Berbamine dihydrochloride (Berbamine), a natural compound derived from the Berberis amurensis plant, has been shown to exhibit antitumor activity in several Ys.

1. Berberrubine chloride (9-Berberoline Chloride) has antitumor activity. 2. Berberrubine has antidiabetic activity. 3. Berberrubine dose-dependently inhibits IL-8 and MCP-1 protein levels in the media and mRNA expression of the cells stimulated with IL-1beta or TNF-alpha.

1. Palmatine (Burasaine) is an inhibitor of dopamine generation. 2. Palmatine could potentially be developed for the treatment of flavivirus infections. 3. Palmatine has been used in the treatment of jaundice, dysentery, hypertension, inflammation, and liver-related diseases.

Columbamine (Columbamin) shows strong activity with IC5 48.1 μM.Columbamine exerts anti-proliferative and anti-vasculogenic effects on metastatic human osteosarcoma U2OS cells with low toxicity.

z-Octadecyl caffeate may have pain-relieving activity. Octadecyl caffeate and coptisonine can stimulate glucose uptake at 25 and 50 ug/mL. Octadecyl caffeate and octadecyl coumarate applied to the surface of susceptible varieties in laboratory bioassays r

Groenlandicine is a protoberberine alkaloid from Coptidis Rhizoma. Groenlandicine exhibits moderate inhibitory effect with IC50 value of 154.2 μM for human recombinant aldose reductase (HRAR). Groenlandicine selectively induces topoisomerase I-mediated DN

Epiberberine chloride, a natural pro-berberine from Coptis chinensis Franch. is an AChE, BChE, and BACE1 inhibitor with IC50 values of 1.07, 6.03, and 8.55 μM, respectively.Epiberberine chloride has antioxidant effects and inhibits the effects of Ca9-22 and Fa2R. Epiberberine chloride has antioxidant effects, inhibits the motility of Ca9-22 and FaDu cell lines, and can be used to study hyperlipidemia, Alzheimer's disease and diabetes.

Berbamine is a natural product extracted from Phellodendron amurense. It acts as a calcium channel blocker and possesses anti-tumor, immunomodulatory, and cardiovascular effects.

Palmatine chloride an isoquinoline alkaloid, is an important medicinal herbal extract with diverse pharmacological and biological properties.

Picroside I (6'-Cinnamoylcatalpol), a hepatoprotective agent, is reported to be antimicrobial and used against hepatitis B. It has antioxidant, and anti-inflammatory activities, it may be the valuable anti-invasive drug candidates for cancer therapy by suppressing Collagenases and Gelatinases. Picroside I can enhance basic fibroblast growth factor(bFGF)-, staurosporine- or dbc-mitogen-activated protein (MAP)-induced neurite outgrowth from PC12D cells.

Worenine (Worenin) is used in the a flurophore switched probe which aids in correction of an abasic site (AP site) caused by the removal of a damaged base in DNA.

Demethyleneberberine, which is composed of a potential antioxidant structure, could penetrate the membrane of mitochondria and accumulate in mitochondria either in vitro or in vivo.Demethyleneberberine suppresses CYP2E1, hypoxia inducible factor α, and inducible nitric oxide synthase, which contributes to oxidative stress and restored sirtuin 1/AMP-activated protein kinase/peroxisome proliferator-activated receptor-γ coactivator-1α pathway-associated fatty acid oxidation in chronic ethanol-fed mice.

8-Oxoepiberberine (Oxyepiberberine) is an alkaloid metabolite in the plasma after oral administration of Zuojin formula. Zuojin formula is a traditional chinese medicine used to treat gastrointestinal disease.

Tetrahydroberberine (Canadine) is an isoquinoline alkaloid isolated from corydalis tuber, has a micromolar affinity for dopamine D(2) receptors.