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Extraction and characterisation of bioactive proteins from Pongamia pinnata and their conversion into bioproducts for food packaging applications
Journal of Bioactive and Compatible Polymers ( IF 1.7 ) Pub Date : 2021-08-30 , DOI: 10.1177/08839115211043280
Divya Nataraj 1 , Vijaykumar Guna 1 , Prajwal Battampara 1 , Nagananda Govinahalli Shivashankara 1 , Paola Rizzarelli 2 , Narendra Reddy 1
Affiliation  

In this research, proteins were obtained from Pongamia pinnata oil meal and subsequently converted into films and compression molded into various packaging products. Films with a maximum tensile strength of 1.9 MPa were obtained when 15% citric acid was used as the crosslinker. Minimum swelling of 120% was seen in 20% citric acid crosslinked film whereas the uncrosslinked films readily disintegrated in water. The protein films had excellent antioxidant properties with an IC50 value of 14.6 µg/ml compared to 26.9 µg/ml for the standard ascorbic acid. The pongamia protein-based bioproducts showed good activity against Bacillus cereus and Aspergillus niger. Unique properties, low cost, and large availability make pongamia proteins an ideal biopolymer for the development of green and sustainable materials and bioproducts.



中文翻译:

水黄生物活性蛋白的提取和表征及其转化为用于食品包装应用的生物产品

在这项研究中,蛋白质是从Pongamia pinnata油粕中提取的,随后转化为薄膜并压缩成型为各种包装产品。当使用 15% 的柠檬酸作为交联剂时,获得了最大拉伸强度为 1.9 MPa 的薄膜。在 20% 柠檬酸交联膜中观察到 120% 的最小溶胀,而未交联膜在水中容易崩解。蛋白质膜具有优异的抗氧化性能,IC 50值为14.6 µg/ml,而标准抗坏血酸的IC 50值为26.9 µg/ml。基于水黄蛋白的生物制品对蜡样芽孢杆菌黑曲霉显示出良好的活性. 独特的特性、低成本和大量的可用性使水黄蛋白成为开发绿色和可持续材料和生物产品的理想生物聚合物。

更新日期:2021-08-30
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