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Evaluation of efficacy of preservatives associated with Achillea millefolium L. extract against Bacillus subtilis

Avaliação da eficácia de conservantes associados a extrato de Achillea millefolium L. contra Bacillus subtilis

The antimicrobial efficacy of three preservatives used in cosmetic formulations was evaluated. Phenova® and imidazolidinyl urea inhibited the growth of Bacillus subtilis when added to leaf extract of Achillea millefolium L., whereas 0.2% Nipagin®/ Nipasol® in propylene glycol did not.

Achillea millefolium L.; preservatives; antibacterial activity; Bacillus subtilis


Sociedade Brasileira de Microbiologia USP - ICB III - Dep. de Microbiologia, Sociedade Brasileira de Microbiologia, Av. Prof. Lineu Prestes, 2415, Cidade Universitária, 05508-900 São Paulo, SP - Brasil, Ramal USP 7979, Tel. / Fax: (55 11) 3813-9647 ou 3037-7095 - São Paulo - SP - Brazil
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