Effects of different packaging materials on storage quality of NFC orange juice at room temperature
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National Citrus Engineering Research Center/Citrus Research Institute, Southwest University,Chongqing 400712,China

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TS275.5

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    Abstract:

    NFC (not from concentrated) orange juice is one of the most popular beverages due to its fresh flavor and high quality. The high price of NFC orange juice always discourages consumers from buying it. In order to reduce the cost of storage and transportation of NFC orange juice and improve its storage quality,Changye orange (Citrus sinensis (L.) Osbeck) juice was degassed,sterilized and filled into glass (GL),polypropylene (PP) and polyethylene (PE) (oxygen permeability: GL<PP<PE) packaging,respectively. Packed juice was stored in dark at 25 ℃. The dissolved oxygen (DO) and storage quality indexes of the juice were determined at different storage time points. The results showed that the change in content of DO was consistent with the oxygen permeability of the package. The content of reducing sugar in GL,PP and PE all decreased first and then increased. The acceptable storage time for sensory evaluation were 60,15 and 7 days. VC content,? E and A420 were significantly correlated with the oxygen permeability of packaging (P<0.01),and the content of flavonoids and phenolic acid compounds was not significantly correlated with the oxygen permeability of packaging. The content of DO in the orange juice from the GL bottle was stable at about 0.5 mg/L within 120 days,and its orange juice quality was the best. It is indicated that the quality of NFC orange juice can be well maintained by controlling the dissolved oxygen at no more than 0.5 mg/L. It will provide a new possible way of NFC orange juice storage and transportation at room temperature.

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黄林华,蔡德萍,郭莉,谈安群,谭祥. Effects of different packaging materials on storage quality of NFC orange juice at room temperature[J]. Jorunal of Huazhong Agricultural University,2022,41(4):142-150.

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History
  • Received:December 29,2021
  • Revised:
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  • Online: October 12,2022
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