薰衣草精油改善壳聚糖基食品包装膜的应用品质
为改善现有壳聚糖基食品包装膜的机械性能和防水性能，该文使用浇铸．蒸发一碱浸法制备了添加薰衣草精油的壳聚糖基复合膜。采用红外光谱、x射线衍射对膜进行了表征，并分析了薰衣草精油添加量对膜的厚度、机械性质、可挥发物质量分数、接触角、水溶性、溶胀性等性质的影响。结果表明：薰衣草精油成分占据了壳聚糖骨架中的部分官能团的位置，降低了壳聚糖分子中共价键的振动强度，同时膜中可以与水形成亲水键的自由H基团减少，膜的含水量降低。薰衣草精油的添加，增大了膜中壳聚糖乙酸盐的含量。膜的厚度和薰衣草精油添加量并不成线性关系，所得膜的厚度范围为（20．60±0．34）-（23-35±0．65）,um。随着薰衣草精油添加量的...
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| Published in | 农业工程学报 Vol. 30; no. 2; pp. 286 - 292 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
上海应用技术学院香料香精技术与工程学院,上海,201418
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2014.02.037 |
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| Abstract | 为改善现有壳聚糖基食品包装膜的机械性能和防水性能，该文使用浇铸．蒸发一碱浸法制备了添加薰衣草精油的壳聚糖基复合膜。采用红外光谱、x射线衍射对膜进行了表征，并分析了薰衣草精油添加量对膜的厚度、机械性质、可挥发物质量分数、接触角、水溶性、溶胀性等性质的影响。结果表明：薰衣草精油成分占据了壳聚糖骨架中的部分官能团的位置，降低了壳聚糖分子中共价键的振动强度，同时膜中可以与水形成亲水键的自由H基团减少，膜的含水量降低。薰衣草精油的添加，增大了膜中壳聚糖乙酸盐的含量。膜的厚度和薰衣草精油添加量并不成线性关系，所得膜的厚度范围为（20．60±0．34）-（23-35±0．65）,um。随着薰衣草精油添加量的增加，膜的拉伸强度和断裂伸长率的变化趋势基本相同。当薰衣草精油添加量为8％时，拉伸强度和断裂伸长率都达到最大值，分别为（123．44±0．33）MPa和3．74％i0．02％。与壳聚糖膜相比，薰衣草精油／壳聚糖复合膜的的可挥发物质量分数较低，薰衣草精油添加量为2％时，可挥发物质量分数最低，为8．98％-0．05％。薰衣草精油的添加，增大了膜的溶解性，但膜在水中的溶解度均不大于（1．21±0．04）mg／100g，属于难溶物质范畴。膜的接触角和溶胀指数都随薰衣草精油添加量的增加而减小，即当薰衣草精油添加量为10％时，膜的接触角和溶胀指数都达到最大值，分别为80．73°±0．32°和0．62±0．01。薰衣草精油的加入改善了由浇铸．蒸发．碱浸法制备的CS基复合膜的机械性质和物理性质。研究结果为薰衣草精油／壳聚糖复合膜的生产和应用提供了技术依据。 |
|---|---|
| AbstractList | 为改善现有壳聚糖基食品包装膜的机械性能和防水性能，该文使用浇铸．蒸发一碱浸法制备了添加薰衣草精油的壳聚糖基复合膜。采用红外光谱、x射线衍射对膜进行了表征，并分析了薰衣草精油添加量对膜的厚度、机械性质、可挥发物质量分数、接触角、水溶性、溶胀性等性质的影响。结果表明：薰衣草精油成分占据了壳聚糖骨架中的部分官能团的位置，降低了壳聚糖分子中共价键的振动强度，同时膜中可以与水形成亲水键的自由H基团减少，膜的含水量降低。薰衣草精油的添加，增大了膜中壳聚糖乙酸盐的含量。膜的厚度和薰衣草精油添加量并不成线性关系，所得膜的厚度范围为（20．60±0．34）-（23-35±0．65）,um。随着薰衣草精油添加量的增加，膜的拉伸强度和断裂伸长率的变化趋势基本相同。当薰衣草精油添加量为8％时，拉伸强度和断裂伸长率都达到最大值，分别为（123．44±0．33）MPa和3．74％i0．02％。与壳聚糖膜相比，薰衣草精油／壳聚糖复合膜的的可挥发物质量分数较低，薰衣草精油添加量为2％时，可挥发物质量分数最低，为8．98％-0．05％。薰衣草精油的添加，增大了膜的溶解性，但膜在水中的溶解度均不大于（1．21±0．04）mg／100g，属于难溶物质范畴。膜的接触角和溶胀指数都随薰衣草精油添加量的增加而减小，即当薰衣草精油添加量为10％时，膜的接触角和溶胀指数都达到最大值，分别为80．73°±0．32°和0．62±0．01。薰衣草精油的加入改善了由浇铸．蒸发．碱浸法制备的CS基复合膜的机械性质和物理性质。研究结果为薰衣草精油／壳聚糖复合膜的生产和应用提供了技术依据。 TS206.4; 为改善现有壳聚糖基食品包装膜的机械性能和防水性能，该文使用浇铸-蒸发-碱浸法制备了添加薰衣草精油的壳聚糖基复合膜。采用红外光谱、X 射线衍射对膜进行了表征，并分析了薰衣草精油添加量对膜的厚度、机械性质、可挥发物质量分数、接触角、水溶性、溶胀性等性质的影响。结果表明：薰衣草精油成分占据了壳聚糖骨架中的部分官能团的位置，降低了壳聚糖分子中共价键的振动强度，同时膜中可以与水形成亲水键的自由 H基团减少，膜的含水量降低。薰衣草精油的添加，增大了膜中壳聚糖乙酸盐的含量。膜的厚度和薰衣草精油添加量并不成线性关系，所得膜的厚度范围为(20.60±0.34)～(23.35±0.65)μm。随着薰衣草精油添加量的增加，膜的拉伸强度和断裂伸长率的变化趋势基本相同。当薰衣草精油添加量为8%时，拉伸强度和断裂伸长率都达到最大值，分别为(123.44±0.33) MPa和3.74%±0.02%。与壳聚糖膜相比，薰衣草精油/壳聚糖复合膜的的可挥发物质量分数较低，薰衣草精油添加量为2%时，可挥发物质量分数最低，为8.98%±0.05%。薰衣草精油的添加，增大了膜的溶解性，但膜在水中的溶解度均不大于(1.21±0.04) mg/100 g，属于难溶物质范畴。膜的接触角和溶胀指数都随薰衣草精油添加量的增加而减小，即当薰衣草精油添加量为10%时，膜的接触角和溶胀指数都达到最大值，分别为80.73°±0.32°和0.62±0.01。薰衣草精油的加入改善了由浇铸-蒸发-碱浸法制备的CS基复合膜的机械性质和物理性质。研究结果为薰衣草精油/壳聚糖复合膜的生产和应用提供了技术依据。 |
| Abstract_FL | Ecological and environmental issues caused by traditional plastic packaging materials, and increasing food safety awareness have resulted in alternative packaging materials. Chitosan (CS) is a potential biodegradable material due to its edibility, film-forming capacity, non-toxicity, antibacterial activity, biocompatibility and biodegradability. Traditional chitosan-based composite films are made by the casting-evaporation method. However, inferior waterproof and mechanical properties limit their applications in food package industries. Many researches have been conducted to improve the CS film. Incorporating one or several substancesinto CS film have been widespreadly used. Moreover, acetic acid and chitosan-acetate can be removed from traditionally prepared CS film by alkali leaching, resulting in lower film water-solubility. Lavender essential oil (LEO) can be used as sedative, antispasmodic, antiviral and bacteriostat in industries of perfume, aromatherapy and pharmacy. LEO can also be used as a natural spice in drink, ice cream, candy, bakery and chewing gum. In order to improve the physical and mechanical properties of conventional chitosan-based food packaging films, lavender essential oil/chitosan composite films were made with CS by casting-evaporation-alkali leaching method in this study. The films microstructures were characterized by Fourier transform infrared reflectance spectroscopy (FTIR), X-ray diffraction (XRD). The impacts of LEO content on the thickness, mechanical properties, volatiles content, water contact angle, water solubility and swelling property of films were investigated. The results indicated that the partial functional group’s locations of CS matrix were occupied by the LEO ingredients with reduced vibration intensity of covalent bond of CS. Reduced free hydrogen group could form hydrophilic bonds with water, then resulted in the loss of moisture content of films. Moreover, Chitosan-acetate content increased by incorporating LEO. The thicknesses of all films ranged from (20.60±0.34) μm to (23.35±0.65) μm. There was no linear relationship between the film thickness and LEO concentration. Tensile strength (TS) and elongation at break (E) behaved similarly when LEO was incorporated into the CS matrix. When the LEO content was 8%, broken tensile strength and elongation reached their maximum levels as (123.44±0.33) MPa and 3.74%±0.02%, respectively. The LEO/CS composite films had lower volatiles mass fraction compared with the CS film. The volatiles mass fraction decreased significantly and reached its minimum level as 8.98%±0.05%after incorporating of 2%of LEO into the CS film. The incorporation of LEO increased film water-solubilities . The films were classified as an insoluble matter due to their low water-solubilities, less than (1.21±0.04) mg/100 g. Water contact angle (WCA) and swelling index (SI) of films decreased with increasing LEO content. The minimum WCA and SI as 80.73°±0.32° and 0.62±0.01, were reached by CS-LEO (10%) film. The incorporation of LEO improved the physical and mechanical properties of chitosan-based composite films by casting-evaporation-alkali leaching method. As for physical or mechanical properties of the film, their optimal LEO contents were not identical. Therefore, the optimal LEO content needs to be verified with the field data. The CS-LEO (8%) film had the best mechanical properties, while CS-LEO (10%) film had the best waterproof properties. The cost of raw materials also need to be considered. It is expected that this study will assist in the production and application of LEO/CS composite films. |
| Author | 张赟彬 王景文 李月霞 王一非 姜萍萍 刘笑宇 |
| AuthorAffiliation | 上海应用技术学院香料香精技术与工程学院,上海201418 |
| AuthorAffiliation_xml | – name: 上海应用技术学院香料香精技术与工程学院,上海,201418 |
| Author_FL | Li Yuexia Jiang Pingping Wang Yifei Liu Xiaoyu Zhang Yunbin Wang Jingwen |
| Author_FL_xml | – sequence: 1 fullname: Zhang Yunbin – sequence: 2 fullname: Wang Jingwen – sequence: 3 fullname: Li Yuexia – sequence: 4 fullname: Wang Yifei – sequence: 5 fullname: Jiang Pingping – sequence: 6 fullname: Liu Xiaoyu |
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| DOI | 10.3969/j.issn.1002-6819.2014.02.037 |
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| DocumentTitleAlternate | Improvement of application properties of chitosan-based food packaging films by lavender essential oil |
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| Keywords | films physical properties chitosan 壳聚糖 薰衣草精油 机械性质 lavender essential oil 膜 mechanical properties 物理性质 |
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| Notes | 11-2047/S Zhang Yunbin, Wang Jingwen, Li Yuexia, Wang Yifei, Jiang Pingping, Liu Xiaoyu （School of Perfume and Aroma Technology, Shanghai Institute of Technology, Shanghai 201418, China） Ecological and environmental issues caused by traditional plastic packaging materials, and increasing food safety awareness have resulted in alternative packaging materials. Chitosan （CS） is a potential biodegradable material due to its edibility, film-forming capacity, non-toxicity, antibacterial activity, biocompatibility and biodegradability. Traditional chitosan-based composite films are made by the casting-evaporation method. However, inferior waterproof and mechanical properties limit their applications in food package industries. Many researches have been conducted to improve the CS film. Incorporating one or several substancesinto CS film have been widespreadly used. Moreover, acetic acid and chitosan-acetate can be removed from traditionally prepared CS film by alkali leaching, resulting in lower film water-solubility. |
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| Snippet | ... TS206.4; 为改善现有壳聚糖基食品包装膜的机械性能和防水性能，该文使用浇铸-蒸发-碱浸法制备了添加薰衣草精油的壳聚糖基复合膜。采用红外光谱、X... |
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| SubjectTerms | 壳聚糖 机械性质 物理性质 膜 薰衣草精油 |
| Title | 薰衣草精油改善壳聚糖基食品包装膜的应用品质 |
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