Structure via PubChem · Public domain (PubChem)
pentagalloylglucose
Sign in to saveAlso known as beta-D-glucopyranose pentakis(3,4,5-trihydroxybenzoate), 1,2,3,4,6-Pgg
Pentagalloylglucose, or more specifically '1,2,3,4,6-penta-O-galloyl-β-D-glucose', is the pentagallic acid ester of glucose. It is a gallotannin and the precursor of ellagitannins.
Chemical data
- Formula
- C41H32O26
- Molecular weight
- 940.7 g/mol
- IUPAC name
- [(2R,3R,4S,5R,6S)-3,4,5,6-tetrakis[(3,4,5-trihydroxybenzoyl)oxy]oxan-2-yl]methyl 3,4,5-trihydroxybenzoate
via PubChem
Drug data · ChEMBL
- Molecule type
- Small molecule
via ChEMBL · EBI
~3 min read
Encyclopedic overview
6 sectionsContents
- Natural occurrence
- Biosynthesis
- Metabolism
- Chemistry
- Research
- References
{{chembox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 477199709 | Name = Pentagalloylglucose | ImageFile = Beta-penta-O-galloyl-glucose.svg | ImageSize = 250px | ImageName = Chemical structure of pentagalloylglucose | IUPACName = β-D-Glucopyranose pentakis(3,4,5-trihydroxybenzoate) | SystematicName = (2S,3R,4S,5R,6R)-6-{[(3,4,5-Trihydroxybenzoyl)oxy]methyl}oxane-2,3,4,5-tetrayl tetrakis(3,4,5-trihydroxybenzoate) | OtherNames = 1,2,3,4,6-Penta-O-galloyl-β-D-glucose1,2,3,4,6-Pentakis-O-galloyl-beta-D-glucosebeta-Penta-O-galloyl-glucosePGG1,2,3,4,6-Penta-O-galloyl-beta-D-glucose |Section1= |Section2= }} Pentagalloylglucose, or more specifically '1,2,3,4,6-penta-O-galloyl-β-D-glucose', is the pentagallic acid ester of glucose. It is a gallotannin and the precursor of ellagitannins.
Pentagalloylglucose can precipitate proteins, including human salivary α-amylase.
Excerpted from Wikipedia’s “pentagalloylglucose” article, available under the CC BY-SA 4.0 licence.