期刊
INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
卷 251, 期 -, 页码 48-66出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijfoodmicro.2017.03.019
关键词
Antimicrobial susceptibility; Olea europaea; Hydroxytyrosol; Oleuropein; Elenolic acid; Food preservation
资金
- Federal Ministry of Economics and Technology (BMWi) via the industrial collective research program of the German Federation of Industrial Research Associations (AiF) [IGF 99EN/1]
The antimicrobial activity of phenolic compounds from Olea (O.) europaea Linne (L) is part of the scientific discussion regarding the use of natural plant extracts as alternative food preservative agents. Although, the basic knowledge on the antimicrobial potential of certain molecules such as oleuropein, hydroxytyrosol or elenolic acid derivatives is given, there is still little information regarding their applicability for food preservation. This might be primarily due to the lack of information regarding the full antimicrobial spectrum of the compounds, their synergisms in natural or artificial combinations and their interaction with food ingredients. The present review accumulates available literature from the past 40 years, investigating the antimicrobial activity of O. europaea L derived extracts and compounds in vitro and in food matrices, in order to evaluate their food applicability. In summary, defined extracts from olive fruit or leaves, containing the strongest antimicrobial compounds hydroxytyrosol, oleacein or oleacanthal in considerable concentrations, appear to be suitable for food preservation. Nonetheless there is still need for consequent research on the compounds activity in food matrices, their effect on the natural microbiota of certain foods and their influence on the sensorial properties of the targeted products. (C) 2017 Elsevier B.V. All rights reserved.
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