tannin

Cinnamtannin B2 (compound 12), a tannin derivative found in cinnamon, has been isolated from the plant Vaccinium vitis-idaea L. [1].

Cinnamtannin D2 (compound 13), a tannin derived from Vaccinium vitis-idaea L., boasts isolation from the aforementioned source [1].

Cinnamtannin A2, a tetrameric procyanidin, enhances GLP-1 and insulin secretion in mice while also upregulating the expression of corticotrophin releasing hormone. Additionally, Cinnamtannin A2 exhibits antioxidant, anti-diabetic, and nephroprotective effects.

Britannin, a sesquiterpene lactone, inhibits proliferation and induces apoptosis through the mitochondrial signaling pathway in human breast cancer cells.

Hamamelitannin has cytotoxic, and antibiofilm activities. It increases the susceptibility of S. aureus to antibiotic treatment in in vivo Caenorhabditis elegans and mouse mammary gland infection models. It also has a high protective activity on cell damag

Cinnamtannin B-1 (LDN 0022358) is an A-type proanthocyanidin contained in several plant species such as Vaccinium vitis-idaea, Laurus nobilis L., Cinnamomum zeylanicum, and Lindera umbellata. It is a potent antioxidant and protective agent against oxidative stress and apoptosis in human platelets. It is a Cox-2 inhibitor.

Punicalin exerts anti-inflammatory, antioxidative, and anti-hepatotoxic activities, it shows inhibitory activity on HIV-1 reverse transcriptase in a dose-dependent manner, with an IC50 of 0.11 microg/ml (0.14 microM).