Department of Basic and Applied Sciences, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, India.
Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Kundli, Sonipat, India.
Food Res Int. 2023 Dec;174(Pt 1):113580. doi: 10.1016/j.foodres.2023.113580. Epub 2023 Oct 14.
Pineapple-peel-based chitosan film was employed to extend the shelf life of Indian Cottage Cheese, commonly termed "paneer" in the Indian subcontinent. Pineapple peel extracts (PPE) at 3 different concentrations (1-3 %) were incorporated into the chitosan matrix. In comparison to control samples (unpacked paneer), packaged paneer samples exhibited reduced weight loss, lipid peroxidation, and pH changes. The microbiological shelf life of paneer got extended till 9th day at 4 °C when packaged in chitosan-PPE films. Korsmeyer-Peppas's model suggested that the release of polyphenols from the chitosan-PPE film followed Fickian diffusion. As per sensory evaluation on a 9-point hedonic scale, packaged paneer samples were superior in juiciness, texture, color, flavor, and overall acceptability compared to unpackaged paneer samples. As compared to the control sample (CS), the overall acceptance was higher for the film with 1 % pineapple peel extract (CS PPE 1), followed by films with 2 % and 3 % pineapple peel extracts (CS-PPE 2 and CS-PPE 3). The bio-accessibility study utilized the dynamic gastric model to simulate digestion in the upper gastrointestinal tract and revealed 40-60 % recovery rate of polyphenols from the chitosan-pineapple peel film.
菠萝皮壳聚糖膜被用于延长印度奶酪（在印度次大陆通常被称为“paneer”）的保质期。将 3 种不同浓度（1-3%）的菠萝皮提取物（PPE）掺入壳聚糖基质中。与对照组（未包装的 paneer）相比，包装的 paneer 样品显示出重量损失、脂质过氧化和 pH 值变化减少。在 4°C 下，当用壳聚糖-PPE 薄膜包装时，paneer 的微生物保质期延长至第 9 天。Korsmeyer-Peppas 模型表明，多酚从壳聚糖-PPE 薄膜中的释放遵循菲克扩散。根据 9 分愉悦量表的感官评估，与未包装的 paneer 样品相比，包装的 paneer 样品在多汁性、质地、颜色、味道和整体可接受性方面表现更好。与对照样品（CS）相比，1%菠萝皮提取物（CS PPE 1）的薄膜整体接受度更高，其次是 2%和 3%菠萝皮提取物（CS-PPE 2 和 CS-PPE 3）的薄膜。生物可及性研究利用动态胃模型模拟上胃肠道的消化，并从壳聚糖-菠萝皮薄膜中回收 40-60%的多酚。
