Original title: Bioprospecting of Cheese Whey: Isolation, Safety and Cytoprotective Effects of Limosilactobacillus fermentum Strains on Intestinal Cells
The researchers searched cheese whey for lactic acid bacteria, microbes often used in fermented foods. They screened 142 isolates and selected three strains, all identified as Limosilactobacillus fermentum. The strains did not harm two kinds of intestinal cells in the tests, and they helped protect those cells from damage caused by menadione, a chemical that creates oxidative stress. This is early lab evidence, not proof of a health benefit in people.
Imagine sorting through a pantry to find ingredients that can help a meal keep its shape and stay fresh. The hard part is that many ingredients may be present, but only a few are useful and safe for the job. In this paper, cheese whey is the pantry, and the researchers test its bacteria to find strains that suit food-making and protect intestinal cells in lab tests.
Cheese whey is a nutrient-rich dairy by-product, and this work suggests it can provide useful bacteria rather than simply being discarded. The strains protected two types of intestinal cells from oxidative stress in lab tests, though that does not show they protect people.
The abstract reports laboratory tests on intestinal cells, not studies in people, so it does not establish a human health benefit or safety during consumption. It also does not describe how the strains perform in foods or provide evidence of effects beyond the tested cell types, chemicals, and conditions.
Ask anything about this paper. Answers come from its abstract, and say so when the abstract doesn't cover your question.
Bioprospecting of Cheese Whey: Isolation, Safety and Cytoprotective Effects of Limosilactobacillus fermentum Strains on Intestinal Cells — L.I. Vergara, Marina del Rosario Bettiol, Antonella M. Centomo et al. — International Journal of Molecular Sciences — doi:10.3390/ijms27198860
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.