Selligueain A is an A type proanthocyanidin trimer of the propelargonidin type.

Selligueain A
Chemical structure of selligueain A
Names
Other names
Epiafzelechin-(4β-8,2β-0-7)-epiafzelechin-(4β-8)-afzelechin
Identifiers
3D model (JSmol)
  • C1C(C(OC2=C1C(=CC(=C2C3C(C(OC4=C5C6C(C(OC7=CC(=CC(=C67)O)O)(OC5=CC(=C34)O)C8=CC=C(C=C8)O)O)C9=CC=C(C=C9)O)O)O)O)C1=CC=C(C=C1)O)O
Properties
C45H36O15
Molar mass 816.75 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It can be extracted from the rhizome of the fern Selliguea feei collected in Indonesia.[1]

It has sweetener properties with relative sweetness of 35 times as compared to the intensity of a 2% w/v aqueous sucrose solution.

References

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  1. ^ Baek, NI; Chung, MS; Shamon, L; Kardono, LB; Tsauri, S; Padmawinata, K; Pezzuto, JM; Soejarto, DD; Kinghorn, AD (1993). "Selligueain A, a novel highly sweet proanthocyanidin from the rhizomes of Selliguea feei". J Nat Prod. 56 (9): 1532–8. doi:10.1021/np50099a011. PMID 8254348.
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