| 可食性莲子淀粉涂膜对鲜切菠萝品质的影晌 |
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| 引用本文： | 林鸳缘,郑宝东,曾绍校,张帆,吴树铮.可食性莲子淀粉涂膜对鲜切菠萝品质的影晌[J].福建农业大学学报,2011(2):205-210. |
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| 作者姓名： | 林鸳缘 郑宝东 曾绍校 张帆 吴树铮 |
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| 作者单位： | 福建农林大学食品科学学院,福建福州350002 |
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| 基金项目： | 福建省科技重点资助项目（2008N0007）. |
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| 摘 要： | 分别采用1％、2％、3％不同浓度莲子淀粉膜液（含天然防腐剂nisin）对鲜切菠萝片进行涂膜处理，再装入塑料盒中，用PE薄膜密封，于（5±1）℃贮藏。在贮藏过程中，对鲜切菠萝的成熟度、流汁率、色泽、硬度和细菌菌落总数等相关指标进行评价，研究可食性莲子淀粉涂膜对鲜切菠萝品质的影响。结果表明，涂膜处理能延缓鲜切菠萝的衰老、褐变、软化，有效抑制微生物的生长．2％、3％涂膜处理组贮藏10d内，莲子淀粉膜与nisin的协同作用可使菌落总数控制在10’以下，符合鲜切果蔬的食品卫生要求．因此，采用莲子淀粉涂膜处理能有效保持鲜切菠萝的品质．
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| 关 键 词： | 鲜切果蔬 涂膜处理 淀粉膜 可食性 菠萝 莲子 品质 细菌菌落总数 |
lotus seed starch coating; fresh cut pineapple; quality |
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| LIN Yuan yuan,ZHENG Bao dong,ZENG Shao xiao,ZHANG Fan,WU Shu zheng.lotus seed starch coating; fresh cut pineapple; quality[J].Journal of Fujian Agricultural University,2011(2):205-210. |
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| Authors: | LIN Yuan yuan ZHENG Bao dong ZENG Shao xiao ZHANG Fan WU Shu zheng |
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| Institution: | (College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China) |
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| Abstract: | Influence of edible lotus seed starch coating on quality of fresh cut pineapple was studied. Fresh cut pineapple was coated with I%, 2% or 3% lotus seed starch pasting incorporating nisin as a natural antimicrobial agent; placed into plastic trays, and o ver wrapped with PE frlm and then stored at （5 ± 1 ）℃. Changes in ripening index, juice leakage, colour, firmness and microbial growth were evaluated over time. The results showed that lotus seed starch coating retarded senescence, browning and softening. It also inhibited the growth of microorganisms effectively. The total microbial count coated with 2%, 3% lotus seed starch could be controlled under 105 （less than l0s was in line with fresh cut food hygiene requirements） during ten days due to the synergistic effect of lotus seed starch coating and nisin. The results revealed that lotus seed starch coating maintained the quality attributes of fresh-cut pineapple effectively. |
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| Keywords: | lotus seed starch coating fresh cut pineapple quality |
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