Factors influencing the norharman and harman contents in espresso coffee

Rita C Alves1, Susana Casal, Beatriz P P Oliveira

  • 1REQUIMTE/Serviço de Bromatologia, Faculdade de FarmAcia, Universidade do Porto, Rua Aníbal Cunha 164, 4099-030 Porto, Portugal.

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