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首页> 外文期刊>Nutrition & Food Science >Edible film based on Vicia faba shell gum, nano silver and Helichrysum arenarium essence
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Edible film based on Vicia faba shell gum, nano silver and Helichrysum arenarium essence

机译：基于维西娅·瓦壳胶，纳米银和Helichrysum arenarium精华的食用胶片

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Purpose - The inclusion of natural antioxidants and nanoparticles into edible coatings can improve their structure, functionality and applicability in foods. This study aims to determine the antibacterial effect of new nano-composite based on bean podshell gum (BPSG), silver nanoparticle (SNP) and herbal essential oil (EO).Design/methodology/approach - For this purpose, BPSG (4 per cent w/v), SNP (0.5-1 per cent w/v) and Helichrysum arenarium EO (1-2 per cent v/v) were mixed. After preparation the edible film, the antibacterial activity was tested on five food-borne pathogenic bacteria in two categories including two-gram positives and three-gram negatives bacteria. The EO composition was determined by GC-mass spectrometry and the antibacterial activity was tested using disk diffusion testFindings - Results showed that gram-positive bacteria were more susceptible than gram-negative bacteria. Increasing Helichrysum arenarium EO and SNP content increased antimicrobial activity of the edible film based on BPSG, so that the treatment containing 2 per cent v/v Helichrysum arenarium EO and 1 per cent w/v SNP led to the highest inhibition zone (8.1-13.1 mm) compared to treatment containing 1 per cent v/v Helichrysum arenarium EO and 0.5 per cent w/v SNP with inhibition zone range of 5.4-9.9 mmand the difference was statistically significant (p = 0.41). Also, the chemical composition analysis of the EO identified a total of 38 compounds in which a-pinene (32 per cent), 1,8-cineole (16 per cent), a-humulene (15 per cent) and j(-caryophyllene (8per cent) were the main fractions. Other separated components accounted less than 29 per cent of the oil.Originality/value - In general, SNP and Helichrysum arenarium EO improved the functional properties including the antimicrobial activity of the edible film based on BPSG, which increases the potential to be used as active packaging for fresh products.
机译：目的 - 将天然抗氧化剂和纳米颗粒包含到可食用涂料中可以改善其在食物中的结构，功能和适用性。本研究旨在基于豆荚牙龈（BPSG），银纳米粒子（SNP）和草药精油（EO）的新纳米复合材料的抗菌作用.Design /方法/方法 - 为此目的，BPSG（4％） W / V），SNP（0.5-1％w / v）和Helichrysum arenarium EO（1-2％v / v）混合。在制备可食用薄膜后，在两种类别的五种类别中测试了抗菌活性，包括两克阳性和三克底膜的细菌。通过GC质谱法测定EO组合物，使用盘扩散探测器测试抗菌活性 - 结果表明革兰氏阳性细菌比革兰氏阴性细菌更容易受到影响。增加Helichrysum arenarium EO和SNP含量基于BPSG的可食用膜的抗微生物活性增加，使得含有2％的v / v Helichrysum arenarium EO的处理和1％w / v snp导致最高抑制区（8.1-13.1 MM）与含有1％的治疗含量为1％的v / v Helichrysum arenarium EO和0.5％w / v SnP，抑制区域范围为5.4-9.9 mmand，差异是统计学意义（p = 0.41）。此外，EO的化学成分分析鉴定了38种化合物，其中A-Pine烯（32％），1,8-升（16％），A-Humulene（15％）和J（ - 羧基（8per cent）是主要的分数。其他分离的组分占石油的少于29％。总体/值 - 一般来说，SNP和Helichrysum entenarium EO改善了基于BPSG的可食用膜的抗微生物活性的功能性质，这增加了用作新鲜产品的主动包装的可能性。

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