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Sodium isoascorbate works against fresh-cut mushrooms browning

Zoom in font  Zoom out font Published: 2021-02-18  Origin: Postharvest Biology and Techno
Core Tip: Scientists at Dalian Minzu University (China) have found that sodium isoascorbate inhibits the browning of fresh-cut mushrooms.
Scientists at Dalian Minzu University (China) have found that sodium isoascorbate inhibits the browning of fresh-cut mushrooms.
From investigation on the effect of sodium isoascorbate (SI) on the browning of fresh-cut mushrooms resulted that fresh-cut mushrooms treated with 10 g/L SI showed increased firmness, decreased weight loss, a lower respiration rate, a lower degree of browning, and lower polyphenol oxidase and tyrosinase activity, over 12 d of storage, compared to untreated mushrooms.

The exogenous SI treatment also delayed a decline in total phenolics, total flavonoids, gallic acid, and catechin, decreased electrolyte leakage, as well as lowered levels of MDA (Malondialdehyde) and reactive oxygen species. The levels of of ascorbic acid and glutathione, and antioxidant enzyme activity (superoxide dismutase, catalase, ascorbate peroxidase and glutathione reductase) were also enhanced in 10 g/L SI-treated fresh-cut mushrooms.

"Our results indicate that a 10 g/L SI treatment induces a series of antioxidant responses in fresh-cut mushrooms that inhibits browning and maintains overall quality. The prescribed treatment could be used to prolong the shelf life of fresh-cut mushrooms", the scientists conclude.

 
 
 
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