Effect of beetroot (<i>Beta vulgaris</i>) extract on Black Angus burgers shelf life.

Ital J Food Saf · 2021 · PMC8056451 · PMID 33907686

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a decreasing trendno p-value reported

Controls strongly evidenced a decreasing trend of redness, probably due to microbial spoilage and the consequent increased of pH values (Borch et al ., 1996 ).

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