Abstract
Agaricus Bisporus is an edible button mushroom that is highly perishable with an extremely short shelf-life at ambient temperature. This work aims to evaluate some antioxidant activities, oxidation enzymes, and determine postharvest qualities of nano-coated mushrooms with the combination of chitosan (CHN) component during storage at 4 °C for (0, 3, 6, 9, and 12 days). Silica/CHN Film strongly delayed the mushroom respiratory spike onset and blocked carbon dioxide passage from inside to the outside, while Titanium/CHN Film (0.035 mmol s−1 kg−1) established the lowest O2 production rate and thiobarbituric acid reactive substances production (6.21 nmol g−1). Silica/CHN Film was mainly effectual for the polyphenol contents (0.39 g kg−1) and antioxidant activities (78.14% and 71.09%) for DPPH and ABTS+ radical scavenging activities, respectively. The results reported that Silica/CHN Film induced the highest (catalase and ascorbate peroxidase) activities, while Titanium/CHN Film recorded the highest (peroxidase and superoxide dismutase) activities of antioxidant enzymes. Besides, Titanium/CHN Film preserved relatively lower contents of hydrogen peroxide (22.40 µmol g−1) and hydroxyl radical (0.16 µmol g−1). In a word, nano-materials used in coating films such as titanium or even silica with the combination of CHN can directly reduce the cell degradation, oxidation processes and enhance the harvested horticultural crops.
Highlights
IntroductionMushrooms contain high protein content, digestible carbohydrates, low fats, vitamins such as B, D, K, A, and C [1]
Silica/CHN and Titanium/CHN films were prepared by blending CHN (1%) with
Silica/CHN and Titanium/CHN films were prepared by blending CHN (1%) with nanoparticles
Summary
Mushrooms contain high protein content, digestible carbohydrates, low fats, vitamins such as B, D, K, A, and C [1]. Mushroom is well-known as therapeutic foods for preventing several diseases such as cancer, hypertension, and hypercholesterolemia in addition to having antitumor, anti-inflammatory, antimicrobial, antioxidant, and immunomodulatory properties [2]. The high perishable nature of mushrooms remains a problem; as mushroom can lose their quality quickly within few 4.0/). Hypercholesterolemia in addition to having antitumor, anti-inflammatory, antimicrobial, antioxidant, and immunomodulatory properties [2]. The high perishable nature of mushrooms remains a problem; as mushroom can lose their quality quickly within few days due to occurrences such as physiological injuries, enzymatic browning, off-flavor,
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