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中国精品科技期刊2020
陈学红, 秦卫东, 马利华, 郑永华, 郁步青. 包装容器对绿芦笋汁货架期品质的影响[J]. 食品工业科技, 2015, (09): 266-269. DOI: 10.13386/j.issn1002-0306.2015.09.049
引用本文: 陈学红, 秦卫东, 马利华, 郑永华, 郁步青. 包装容器对绿芦笋汁货架期品质的影响[J]. 食品工业科技, 2015, (09): 266-269. DOI: 10.13386/j.issn1002-0306.2015.09.049
CHEN Xue-hong, QIN Wei-dong, MA Li-hua, ZHENG Yong-hua, YU Bu-qing. Effect of packaging container on storage quality of green asparagus juice[J]. Science and Technology of Food Industry, 2015, (09): 266-269. DOI: 10.13386/j.issn1002-0306.2015.09.049
Citation: CHEN Xue-hong, QIN Wei-dong, MA Li-hua, ZHENG Yong-hua, YU Bu-qing. Effect of packaging container on storage quality of green asparagus juice[J]. Science and Technology of Food Industry, 2015, (09): 266-269. DOI: 10.13386/j.issn1002-0306.2015.09.049

包装容器对绿芦笋汁货架期品质的影响

Effect of packaging container on storage quality of green asparagus juice

  • 摘要: 绿芦笋汁采用121℃、3min杀菌处理后,分别灌装于预先杀菌处理的玻璃瓶和聚对苯二甲酸乙二醇酯(PET)瓶中,于(4±1)℃冷藏,通过测定绿芦笋汁贮藏期间色泽、叶绿素、类胡萝卜素、维生素C、总酚和还原糖含量的变化,以探究不同包装容器对绿芦笋汁贮藏期间品质的影响。结果表明:玻璃瓶包装可有效延缓绿芦笋汁冷藏期间色泽亮度的上升和绿色的受损,抑制类胡萝卜素含量的上升,从而有效地保护绿芦笋汁的绿色,维持绿芦笋汁色泽的稳定性,在贮藏结束时L*值为56.15,a*值为-1.27,总叶绿素含量为5.584mg/L;玻璃瓶装绿芦笋汁的维生素C、总酚和还原糖含量的降低受到显著抑制,尤其是维生素C含量在贮藏3个月时仍为0.204mg/m L,保留率为82.93%,总酚和还原糖的保留率分别为52.74%、64.58%,而PET瓶装绿芦笋汁的维生素C、总酚和还原糖的保留率分别为28.05%、43.68%和58.67%。由此,玻璃瓶包装可有效维持绿芦笋汁冷藏期间的货架品质。 

     

    Abstract: Green asparagus juices were pasteurized at 121℃ for 3min.Juices were filled with glass and polyethylene glycol terephthalate( PET) bottles which were sterilized in advance.Then the samples were stored at( 4 ± 1) ℃. To explore the effect of packaging container on storage quality of green asparagus juice,the changes of color,chlorophyll,carotenoids,vitamin C,total phenolic and reducing sugar contents were measured during chilled storage.The results showed that the increase of lightness and loss of greenness in the green asparagus juice were retarded by glass bottle; the increase in carotenoids contents were prevented by glass bottle. Thus glass bottle packaging can effectively keep green and color stability of green asparagus juice during chilled storage. The L*was 56.15,a*was-1.27,and total chlorophyll content was 5.584 mg / L in the green asparagus juice packaged by glass bottle at the end of storage. The decreases of vitamin C,total phenolic and reducing sugar contents were inhibited by glass bottle. Especially,vitamin C content was 0.204 mg / m L and retained 82.93% at 3 month. Total phenolic and reducing sugar contents were retained 52.74%,64.58%,respectively. Vitamin C,total phenolic and reducing sugar contents of juices in PET bottle were retained 28.05%,43.68% and 58.67%. Thus,glass bottle packaging can effectively keep the storage quality of green asparagus juice during chilled storage.

     

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