Microorganisms associated with post-harvest green olives deteriorations in Morocco

Authors

  • M. Faid Food Microbiology and Biotechnology Department. Hassan II Institute of Agronomy and Veterinary Medicine. Rabat
  • Rachida Akhartouf Food Microbiology and Biotechnology Department. Hassan II Institute of Agronomy and Veterinary Medicine. Rabat
  • A. Asehraou Food Microbiology and Biotechnology Department. Hassan II Institute of Agronomy and Veterinary Medicine. Rabat

DOI:

https://doi.org/10.3989/gya.1994.v45.i5.1020

Keywords:

Alteration, Green olive, Harvesting, Microorganism, Morocco

Abstract


Altered green olive fruits harvested by the pole slender method were studied for the microorganisms involved in post-harvest alterations of the fruits before the fermentation process. The determinations included: standard plate count, Gram-negative bacteria (conforms and pseudomonads), bacillus, and yeasts. Results showed that the alterations are due first to yeasts and their interactions with pseudomonads and conforms. The most frequent yeasts were represented by the species: Debaryomyces hansenii, Rodothorula glutinis, Pichia membranefaciens, P. Anomala and Candida Bacarum. Gram-negative fermenting bacteria were represented by the species: Envinia carotovora, Hafnia alvei, Enterobacter agglomerans, E. Aerogenes and Serratia marcescens, S. liquefaciens and Shigella flexneri. The oxidase-positive bacteria were most abundant and mainly dominated by Pseudomonas species including P. aeruginosa, P. alcaligenes and P. Syringae. Most of the isolates of these microorganisms were cellulolytic and lipolytic. bacillus especies were also isolated and identified. The main species were Bacillus megaterium, B. pumilus, B. cereus and B. olei. Bacillus species seem not involved in olive deteriorations

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Published

1994-10-30

How to Cite

1.
Faid M, Akhartouf R, Asehraou A. Microorganisms associated with post-harvest green olives deteriorations in Morocco. grasasaceites [Internet]. 1994Oct.30 [cited 2023Jan.30];45(5):313-7. Available from: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/1020

Issue

Section

Research

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