与卡瓦克罗尔结合的凝和碳氧甲基基托桑食用涂层:在草中开发和应用
Anthony Pius Bassey1, Chaoxiong Meng1, Yin Zhang1
1Institute of Agro-Product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China.
Foods (Basel, Switzerland)
|October 16, 2025
概括
这项研究开发了天然的抗菌涂层,使用凝 (GL),碳甲基 (CMCS) 和卡瓦克罗尔 (CA) 来保护草. GL/CMCS/CA涂层有效地减少了腐烂,并在储存期间保持了草的质量.
科学领域:
- 食品科学与技术 食品科学与技术
- 材料科学 材料科学 材料科学
- 生物化学 生物化学
背景情况:
- 合成防腐剂对人类健康和环境构成风险.
- 在食品保存方面,对天然替代品的需求越来越大.
- 酸盐和凝是生物相容的聚合物,有可能用于食品应用.
研究的目的:
- 开发和描述由凝 (GL) 和用卡尔瓦克罗尔 (CA) 功能化碳甲基 (CMCS) 制成的新型抗菌复合涂层.
- 评估这些涂层在储存期间保持草质量的有效性.
- 评估卡瓦克罗尔度对涂层性能和草保存的影响.
主要方法:
- 复合涂层是通过将不同度的卡瓦克罗尔 (0%,1.5%,3%) 加入到凝/碳甲基松矩阵中来制备的.
- 使用物理,机械和结构性特征技术 (光谱,显微镜) 分析了涂层性能.
- 用最佳配方 (GL/CMCS/CA-3%) 涂层的草在4°C下储存了14天,并评估了它们的质量属性 (减肥,真菌污染,度,颜色,pH值,营养含量,微生物生长,感觉特征).
主要成果:
- 加入卡瓦克罗尔显著增强了涂层性能,包括抗拉强度,不透明度和降低水蒸气透性.
- 与对照组相比,GL/CMCS/CA-3%涂层草显著减少了体重减轻 (50.91%) 和真菌污染.
- 被涂层的草保持了更好的坚性,颜色,pH值和营养含量,同时有效抑制了微生物生长.
结论:
- 用卡瓦克罗尔功能化的凝/甲基基托桑复合涂层显示出作为草天然防腐剂的巨大潜力.
- 这些涂层通过抑制微生物生长和保持关键质量属性,有效地延长草的保质期.
- 这项研究强调了一种有希望的天然替代合成防腐剂,用于果物保存.
相关概念视频
00:57Carbohydrate Digestion
Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. Carbohydrate digestion starts in the mouth during mastication, or chewing. The masticated carbohydrates remain intact in the stomach. Digestion resumes in the duodenum of the small intestine, where pancreatic alpha-amylase and brush border enzymes of the microvilli convert complex carbohydrates to monosaccharides. Finally, the monosaccharides...
01:13Preparation of Carboxylic Acids: Carboxylation of Grignard Reagents
Carboxylic acids can be prepared by the carboxylation of Grignard reagents (RMgX). This method is convenient for converting alkyl (primary, secondary or tertiary), vinyl, benzyl, and aryl halides to carboxylic acids with one additional carbon than the starting RMgX.
01:35Loss of Carboxy Group as CO2: Decarboxylation of Malonic Acid Derivatives
Just like β-keto acids—which upon thermal decarboxylation form ketones—β-dicarboxylic acids undergo decarboxylation to generate monocarboxylic acids with the liberation of carbon dioxide.
01:24Site-Targeted Drug Delivery Systems: Polymeric Carriers
Polymeric carriers enhance targeted drug delivery by increasing efficacy while minimizing off-target effects. These carriers comprise a biodegradable polymeric backbone integrated with functional elements that enable targeting, improve physicochemical properties, and regulate drug release.Targeting MechanismsThe targeting ability of polymeric carriers is mediated by a homing device, which is a molecular recognition component designed to selectively bind to specific tissues or cells. Monoclonal...