MSI_000065856

Unreliable

排名分数: 1.67
参考来源: Homo sapiens (UBERON:0007779: transudate)

M/z: 249.0217
Mass Window: 249.0217 ~ 249.0218 (0.5 ppm)

参考注释

Rhein_[M+H-2H2O]+ (BioDeep_00000002810)
4,5-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid

Formula: C15H8O6 (284.0320868)
SMILES: C1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3O)C(=O)O

Rhein appears as yellow needles (from methanol) or yellow-brown powder. (NTP, 1992) Rhein is a dihydroxyanthraquinone. Rhein is an anthraquinone metabolite of rheinanthrone and senna glycoside is present in many medicinal plants including Rheum palmatum, Cassia tora, Polygonum multiflorum, and Aloe barbadensis. It is known to have hepatoprotective, nephroprotective, anti-cancer, anti-inflammatory, and several other protective effects. Rhein is a natural product found in Cassia renigera, Rheum compactum, and other organisms with data available. Present in Rheum palmatum (Chinese rhubarb). Rhein is found in dock, green vegetables, and garden rhubarb. Rhein is found in dock. Rhein is present in Rheum palmatum (Chinese rhubarb D004791 - Enzyme Inhibitors KEIO_ID R037