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Fermentation 2018, 4(2), 34; https://doi.org/10.3390/fermentation4020034

Principal Component Analysis for Clustering Probiotic-Fortified Beverage Matrices Efficient in Elimination of Shigella sp.

1
School of Biotechnology, Kalinga Institute of Industrial Technology, Patia, Bhubaneswar, Odisha 751024, India
2
UMR Qualisud, CIRAD, TAB-95/16 73, rue Jean-François, Breton 34398, France
*
Author to whom correspondence should be addressed.
Received: 19 April 2018 / Revised: 3 May 2018 / Accepted: 3 May 2018 / Published: 8 May 2018
(This article belongs to the Special Issue Safety and Microbiological Quality)
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Abstract

Vast amounts of information can be obtained by systematic explorations of synergy between phytochemicals and probiotics, which is required for the development of non-dairy probiotic products, globally. Evidence confirms that the same probiotic strain can have different efficiencies depending on the food matrix. One such functional property, viz., antipathogenicity of the probiotic strain against Shigella was investigated in this study. The potential of two fruit based (apple and sea buckthorn) beverage matrices fortified with Lactobacillus rhamnosus GG (ATCC 53103), against outbreak-causing serotypes of Shigella dysenteriae (ATCC 29026) and Shigella flexneri (ATCC 12022) was evaluated. The originality of this study lies in the fact that the functionality assessment was performed with a more realistic approach under storage conditions from 0–14 days at 4 °C. The finding confirms that Lactobacillus rhamnosus GG (LGG) differs in its potential depending on beverage matrices. Principal Component Analysis (PCA) clustered the matrices based on their pathogen clearance. LGG fortified sea buckthorn beverage matrix showed 99% clearance of S. dysenteriae within the first hour compared to 11% in apple beverage matrix. Interestingly, S. flexneri showed more resistance and was cleared (99%) in the LGG fortified sea buckthorn beverage matrix within three hours compared to 5.6% in apple matrix. View Full-Text
Keywords: PCA; L. rhamnosus GG; sea buckthorn; Shigella PCA; L. rhamnosus GG; sea buckthorn; Shigella
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Sireswar, S.; Montet, D.; Dey, G. Principal Component Analysis for Clustering Probiotic-Fortified Beverage Matrices Efficient in Elimination of Shigella sp.. Fermentation 2018, 4, 34.

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