添加柑橘果胶和吐温-80的芥末精油纳米乳液稳定性、抑菌活性及其在砂糖橘保鲜中的应用

TS255.3; 采用高压均质与超声破碎法制备添加柑橘果胶(pectin,PT)和吐温-80的芥末精油纳米乳液(mustard essential oil nanoemulsion,MEO-NE)(MEO-NE-PT)和只添加吐温-80的MEO-NE(MEO-NE-T),对比MEO-NE-PT和MEO-NE-T的微观结构、贮藏稳定性、pH值稳定性、离子强度稳定性及热稳定性,并将MEO-NE-PT应用于砂糖橘采后保鲜.结果表明:MEO-NE-PT的粒径和多分散指数波动幅度更小,表现出更强的稳定性;对MEO、MEO-NE-T、MEO-NE-PT的最小抑菌浓度(minimum inhibitory...

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Published in食品科学 Vol. 45; no. 16; pp. 213 - 222
Main Authors 袁楚珊, 程小梅, 孙畅, 夏旭, 周伊诺, 李高阳, 朱向荣
Format Magazine Article
LanguageChinese
Published 湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%怀化市农业科学院,湖南怀化 418000%天津科技大学食品科学与工程学院,天津 300457 25.08.2024
湖南大学生物学院隆平分院,湖南长沙 410125
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ISSN1002-6630
DOI10.7506/spkx1002-6630-20231102-010

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Abstract TS255.3; 采用高压均质与超声破碎法制备添加柑橘果胶(pectin,PT)和吐温-80的芥末精油纳米乳液(mustard essential oil nanoemulsion,MEO-NE)(MEO-NE-PT)和只添加吐温-80的MEO-NE(MEO-NE-T),对比MEO-NE-PT和MEO-NE-T的微观结构、贮藏稳定性、pH值稳定性、离子强度稳定性及热稳定性,并将MEO-NE-PT应用于砂糖橘采后保鲜.结果表明:MEO-NE-PT的粒径和多分散指数波动幅度更小,表现出更强的稳定性;对MEO、MEO-NE-T、MEO-NE-PT的最小抑菌浓度(minimum inhibitory concentration,MIC)和最低杀菌浓度进行探究,发现MEO-NE-PT的MIC(64 μL/L)远低于MEO(256 μL/L)和MEO-NE-T(128μL/L);且经64 μL/L MEO-NE-PT处理6 h后的白地霉孢子萌发率仅有6.67%、芽管长度为8.57 μm,远低于对照组(MEO)的100%和165.02μm;扫描电子显微镜观察结果表明,MEO-NE-PT处理会导致白地霉菌丝体皱缩、断裂;与对照组相比,MEO-NE-PT处理可明显降低砂糖橘的腐烂率和质量损失率,并且能够延缓砂糖橘硬度和可溶性固形物含量的下降.因此,MEO-NE-PT作为一种安全、有效的绿色抑菌剂,可以控制柑橘白地霉菌的生长,保持砂糖橘采后品质.
AbstractList TS255.3; 采用高压均质与超声破碎法制备添加柑橘果胶(pectin,PT)和吐温-80的芥末精油纳米乳液(mustard essential oil nanoemulsion,MEO-NE)(MEO-NE-PT)和只添加吐温-80的MEO-NE(MEO-NE-T),对比MEO-NE-PT和MEO-NE-T的微观结构、贮藏稳定性、pH值稳定性、离子强度稳定性及热稳定性,并将MEO-NE-PT应用于砂糖橘采后保鲜.结果表明:MEO-NE-PT的粒径和多分散指数波动幅度更小,表现出更强的稳定性;对MEO、MEO-NE-T、MEO-NE-PT的最小抑菌浓度(minimum inhibitory concentration,MIC)和最低杀菌浓度进行探究,发现MEO-NE-PT的MIC(64 μL/L)远低于MEO(256 μL/L)和MEO-NE-T(128μL/L);且经64 μL/L MEO-NE-PT处理6 h后的白地霉孢子萌发率仅有6.67%、芽管长度为8.57 μm,远低于对照组(MEO)的100%和165.02μm;扫描电子显微镜观察结果表明,MEO-NE-PT处理会导致白地霉菌丝体皱缩、断裂;与对照组相比,MEO-NE-PT处理可明显降低砂糖橘的腐烂率和质量损失率,并且能够延缓砂糖橘硬度和可溶性固形物含量的下降.因此,MEO-NE-PT作为一种安全、有效的绿色抑菌剂,可以控制柑橘白地霉菌的生长,保持砂糖橘采后品质.
Abstract_FL Mustard essential oil(MEO)nanoemulsions fortified with citrus pectin and tween-80(MEO-NE-PT)or tween-80(MEO-NE-T)were prepared by high-pressure homogenization followed by ultrasonication,and comparative analysis was performed on the microstructure,storage stability,pH,ionic strength and thermal tolerance between MEO-NE-PT and MEO-NE-T.The application of MEO-NE-PT to the postharvest preservation of'Shatangju'mandarin was evaluated.It was found that MEO-NE-PT exhibited superior stability with smaller fluctuations in particle size and polydispersity index(PDI).The minimum inhibitory concentration(MIC)of MEO-NE-PT was 64 μL/L,much lower than those of MEO(256 μL/L)and MEO-NE-T(128 μL/L).Furthermore,after MEO-NE-PT treatment at 64 μL/L for 6 h,the germination rate of Geotrichum candidum spores was only 6.67%,and the length of the germ tube was only 8.57 μm,both significantly lower than 100%and 165.02 μm for the control group(MEO),respectively.The results of scanning electron microscopy(SEM)revealed that treatment with MEO-NE-PT caused the mycelium of Geotrichum candidum to wrinkle and break apart.Compared with the control group,MEO-NE-PT treatment could significantly reduce the decay rate and quality loss of'Shatangju'mandarin,while delaying the decline in hardness and total soluble solids.As a safe and effective antimicrobial agent,MEO-NE-PT could control the growth of Geotrichum candidum and maintain the post-harvest quality of'Shatangju'mandarin.
Author 程小梅
夏旭
孙畅
袁楚珊
朱向荣
周伊诺
李高阳
AuthorAffiliation 湖南大学生物学院隆平分院,湖南长沙 410125;湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%怀化市农业科学院,湖南怀化 418000%天津科技大学食品科学与工程学院,天津 300457
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Author_FL XIA Xu
SUN Chang
CHENG Xiaomei
YUAN Chushan
ZHOU Yinuo
ZHU Xiangrong
LI Gaoyang
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DocumentTitle_FL Stability and Bacteriostatic Activity of Mustard Essential Oil Nanoemulsion Fortified with Citrus Pectin and Tween-80 and Its Application in the Preservation of'Shatangju'Mandarin
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Issue 16
Keywords antibacterial activity
citrus pectin
纳米乳液
柑橘果胶
采后保鲜
nanoemulsion
抑菌活性
白地霉
Geotrichum candidum
稳定性
芥末精油
mustard essential oil
postharvest preservation
stability
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PublicationTitle 食品科学
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Publisher 湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%湖南省农业科学院农产品加工研究所,果蔬贮藏加工与质量安全湖南省重点实验室,湖南长沙 410125%怀化市农业科学院,湖南怀化 418000%天津科技大学食品科学与工程学院,天津 300457
湖南大学生物学院隆平分院,湖南长沙 410125
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Snippet TS255.3; 采用高压均质与超声破碎法制备添加柑橘果胶(pectin,PT)和吐温-80的芥末精油纳米乳液(mustard essential oil nanoemulsion,MEO-NE)(MEO-NE-PT)和只添加吐温-80...
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StartPage 213
Title 添加柑橘果胶和吐温-80的芥末精油纳米乳液稳定性、抑菌活性及其在砂糖橘保鲜中的应用
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