News — grapefruit seed extract

No Such Thing as Natural Preservative

Posted by Anita Hero on

  Aspects of the antimicrobial efficacy of grapefruit seed extract and its relation to preservative substances contained. von Woedtke T, Schlüter B, Pflegel P, Lindequist U, Jülich WD. Source Institute of Pharmacy, Ernst Moritz Arndt University, Greifswald, Germany. Abstract The antimicrobial efficacy as well as the content of preservative agents of six commercially available grapefruit seed extracts were examined. Five of the six extracts showed a high growth inhibiting activity against the test germs Bacillus subtilis SBUG 14, Micrococcus flavus SBUG 16, Staphylococcus aureus SBUG 11, Serratia marcescens SBUG 9, Escherichia coli SBUG 17, Proteus mirabilis SBUG 47, and Candida...

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