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Encyclopedia :
P :
PI :
PIP :
Piperonal |
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PiperonalPiperonal (heliotropine, protocatechuic aldehyde methylene ether) is an aromatic aldehyde that comes as a white powder, C8H6O3, and has a floral odor. It is used as flavoring and in perfume. It can be obtained by oxidation of piperic acid.
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