Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)

To extend the shelf life of oyster mushroom (<i>Pleurotus ostreatus</i>), the effects of chitosan (CS) and hyperbranched poly-L-lysine (HBPL) combined treatment on quality characteristics, nutritional quality, storage characteristics, and enzyme activity of oyster mushroom during posthar...

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Main Authors: Jianrui Sun, Ruirui Ren, Linlin Yao, Jinglan Li, Li Tong, Jiangfeng Yuan, Dahong Wang
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Foods
Subjects:
Online Access:https://www.mdpi.com/2304-8158/13/1/77
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author Jianrui Sun
Ruirui Ren
Linlin Yao
Jinglan Li
Li Tong
Jiangfeng Yuan
Dahong Wang
author_facet Jianrui Sun
Ruirui Ren
Linlin Yao
Jinglan Li
Li Tong
Jiangfeng Yuan
Dahong Wang
author_sort Jianrui Sun
collection DOAJ
description To extend the shelf life of oyster mushroom (<i>Pleurotus ostreatus</i>), the effects of chitosan (CS) and hyperbranched poly-L-lysine (HBPL) combined treatment on quality characteristics, nutritional quality, storage characteristics, and enzyme activity of oyster mushroom during postharvest storage at 4 °C were investigated. The results showed that CS-HBPL combined treatment could significantly reduce rot degree and weight loss and significantly inhibit the browning of oyster mushroom. At the same time, the loss of reducing sugar, vitamin C, soluble protein, and total phenolic was significantly reduced. Compared with the control, CS-HBPL combined treatment could also significantly inhibit an increase in malondialdehyde (MDA) and significantly decrease the relative electrolyte leakage of oyster mushroom. In addition, the activities of catalase (CAT), superoxide dismutase (SOD), phenylalnine ammonialyase (PAL), and peroxidase (POD) were significantly improved, and the activity of polyphenol oxidase (PPO) was significantly inhibited in oyster mushroom. In conclusion, CS-HBPL combined treatment had a good protective effect on the membrane permeability damage of oyster mushroom and could effectively delay the oxidation of phenolic substances and browning of oyster mushroom. Therefore, CS-HBPL combined treatment can be used as a potential strategy to extend the storage time of oyster mushroom.
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spelling doaj.art-14b265d5fffa425482fc901e1fc1df062024-01-10T14:56:50ZengMDPI AGFoods2304-81582023-12-011317710.3390/foods13010077Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)Jianrui Sun0Ruirui Ren1Linlin Yao2Jinglan Li3Li Tong4Jiangfeng Yuan5Dahong Wang6Henan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaHenan Engineering Research Center of Food Microbiology, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471023, ChinaTo extend the shelf life of oyster mushroom (<i>Pleurotus ostreatus</i>), the effects of chitosan (CS) and hyperbranched poly-L-lysine (HBPL) combined treatment on quality characteristics, nutritional quality, storage characteristics, and enzyme activity of oyster mushroom during postharvest storage at 4 °C were investigated. The results showed that CS-HBPL combined treatment could significantly reduce rot degree and weight loss and significantly inhibit the browning of oyster mushroom. At the same time, the loss of reducing sugar, vitamin C, soluble protein, and total phenolic was significantly reduced. Compared with the control, CS-HBPL combined treatment could also significantly inhibit an increase in malondialdehyde (MDA) and significantly decrease the relative electrolyte leakage of oyster mushroom. In addition, the activities of catalase (CAT), superoxide dismutase (SOD), phenylalnine ammonialyase (PAL), and peroxidase (POD) were significantly improved, and the activity of polyphenol oxidase (PPO) was significantly inhibited in oyster mushroom. In conclusion, CS-HBPL combined treatment had a good protective effect on the membrane permeability damage of oyster mushroom and could effectively delay the oxidation of phenolic substances and browning of oyster mushroom. Therefore, CS-HBPL combined treatment can be used as a potential strategy to extend the storage time of oyster mushroom.https://www.mdpi.com/2304-8158/13/1/77oyster mushroomchitosanhyperbranched poly-L-lysinepreservation
spellingShingle Jianrui Sun
Ruirui Ren
Linlin Yao
Jinglan Li
Li Tong
Jiangfeng Yuan
Dahong Wang
Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
Foods
oyster mushroom
chitosan
hyperbranched poly-L-lysine
preservation
title Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
title_full Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
title_fullStr Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
title_full_unstemmed Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
title_short Effect of Combined Chitosan and Hyperbranched Poly-L-Lysine Based Coating on Prolonging the Shelf Life of Oyster Mushroom (<i>Pleurotus ostreatus</i>)
title_sort effect of combined chitosan and hyperbranched poly l lysine based coating on prolonging the shelf life of oyster mushroom i pleurotus ostreatus i
topic oyster mushroom
chitosan
hyperbranched poly-L-lysine
preservation
url https://www.mdpi.com/2304-8158/13/1/77
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