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The Microflora Within the Tissue of Fruits and Vegetables
Year:
1963
Source of publication :
Journal of Food Science
Authors :
Bick, Miriam
;
.
Etinger, R. (Animal Science / Food technology)
;
.
Samish, Zdenka
;
.
Volume :
28
Co-Authors:
Facilitators :
From page:
259
To page:
266
(
Total pages:
8
)
Abstract:
Bacteria occur within normal, sound fresh fruit tissues. They are mostly gram‐negative motile rods, representatives of the Pseudomonadaceae and the Enterobacteriaceae. Lactic‐acid‐forming bacteria are found on the surface of crops. In different crops and in different varieties, bacteria may appear abundantly in one field and rarely in others. They are found more frequently in low‐growing vegetables than in tree borne fruits. In cucumbers the bacteria are more often in the tissue close to the periphery and less often in the central core. In tomatoes their frequency is highest close to the stem‐scar and the central core of the fruit, decreasing toward the fruit periphery. It appears that the bacteria can enter the living plant tissue by different pathways and may persist there as harmless commensals. When the vegetables are brined, the bacteria multiply in the tissue as well as in the brine. Lactobacilli penetrate gined tomatoes primarily through the stem‐scar and multiply more rapidly in the fruit than in the brine. During fermentation of tomatoes and cucumbers the Enterobacteriaceae are mostly Suppressed by the lactic‐acid‐forming bacteria. However, if the latter are excluded by surface disinfection of the fruits, the Enterobacteria continue to multiply, causing internal bloaters, an increase in pH, and, ultimately, putrefaction. Copyright © 1963, Wiley Blackwell. All rights reserved
Note:
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More details
DOI :
10.1111/j.1365-2621.1963.tb00194.x
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19595
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:30
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Scientific Publication
The Microflora Within the Tissue of Fruits and Vegetables
28
The Microflora Within the Tissue of Fruits and Vegetables
Bacteria occur within normal, sound fresh fruit tissues. They are mostly gram‐negative motile rods, representatives of the Pseudomonadaceae and the Enterobacteriaceae. Lactic‐acid‐forming bacteria are found on the surface of crops. In different crops and in different varieties, bacteria may appear abundantly in one field and rarely in others. They are found more frequently in low‐growing vegetables than in tree borne fruits. In cucumbers the bacteria are more often in the tissue close to the periphery and less often in the central core. In tomatoes their frequency is highest close to the stem‐scar and the central core of the fruit, decreasing toward the fruit periphery. It appears that the bacteria can enter the living plant tissue by different pathways and may persist there as harmless commensals. When the vegetables are brined, the bacteria multiply in the tissue as well as in the brine. Lactobacilli penetrate gined tomatoes primarily through the stem‐scar and multiply more rapidly in the fruit than in the brine. During fermentation of tomatoes and cucumbers the Enterobacteriaceae are mostly Suppressed by the lactic‐acid‐forming bacteria. However, if the latter are excluded by surface disinfection of the fruits, the Enterobacteria continue to multiply, causing internal bloaters, an increase in pH, and, ultimately, putrefaction. Copyright © 1963, Wiley Blackwell. All rights reserved
Scientific Publication
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