Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7586227 | Food Chemistry | 2018 | 8 Pages |
Abstract
A polyethylene based packaging material containing nano-Ag, nano-TiO2, nano-SiO2, and attapulgite has been prepared. The effect of nanocomposite packaging material (Nano-PM) on the senescence of Flammulina velutipes during 15â¯days of postharvest storage at 4â¯Â°C and a relative humidity of 90% were analyzed. The results showed that compared with normal packaging material (Normal-PM) and no packaging (No-PM), Nano-PM improved the appearance quality, reduced weight loss and cap opening. The degree of maturity and increase in molecular weight of F. velutipes polysaccharides (FVP) were delayed. The content loss of proteoglycan protein was less and degree of oxidation was lower. The storage with Nano-PM reduced the fibrosis of texture, cellulase activity, the accumulation of hydrogen peroxide (H2O2) and superoxide radical (O2â) by 18.9%, 48.3%, 26.6% and 27.8%, respectively (P <â¯.05). The Nano-PM effectively delayed the postharvest senescence of F. velutipes, hence prolonged its shelf life and increased its preservation quality.
Keywords
HPSECendo-1,4-β-d-glucanaseFVPELSDROSEvaporative Light Scattering Detectoralcohol insoluble residueModified atmosphere packagingTiO2Titanium dioxideRelative humiditySiO2Silicon dioxideAntioxidant capacityFlammulina velutipesSilvermapAIRSenescenceHigh-performance size-exclusion chromatographyPostharvest qualityReactive oxygen species
Related Topics
Physical Sciences and Engineering
Chemistry
Analytical Chemistry
Authors
Chong Shi, Yuanyue Wu, Donglu Fang, Fei Pei, Alfred Mugambi Mariga, Wenjian Yang, Qiuhui Hu,