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Development of Nervilia fordii Extract-Loaded Electrospun PVA/PVP Nanocomposite for Antioxidant Packaging

文献类型： 外文期刊

作者： Wen, Peng 1 ; Hu, Teng-Gen 2 ; Wen, Yan 2 ; Li, Ke-Er 1 ; Qiu, Wei-Peng 1 ; He, Zhi-Lin 1 ; Wang, Hong 1 ; Wu, Hong 2 ;

作者机构： 1.South China Agr Univ, Coll Food Sci, Guangdong Prov Key Lab Food Qual & Safety, Guangzhou 510642, Peoples R China

2.South China Univ Technol, Sch Food Sci & Engn, Guangzhou 510640, Peoples R China

3.Guangdong Prov Key Lab Green Proc Nat Prod & Prod, Guangzhou 510640, Peoples R China

4.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangzhou 510640, Peoples R China

5.Minist Agr, Key Lab Funct Foods, Guangzhou 510640, Peoples R China

6.Guangdong Key Lab Agr Prod Proc, Guangzhou 510640, Peoples R China

关键词： electrspinning; Nervilia fordii extract; nano-encapsulation; antioxidant activity

期刊名称：FOODS （ 影响因子：4.35； 五年影响因子：4.957 ）

ISSN：

年卷期： 2021 年 10 卷 8 期

页码：

收录情况： SCI

摘要： An ethyl acetate extract from of Nervilia fordii (NFE) with considerable suppression activity on lipid peroxidation (LPO) was first obtained with total phenolic and flavonoid contents and anti-LPO activity (IC50) of 86.67 +/- 2.5 mg GAE/g sample, 334.56 +/- 4.7 mg RE/g extract and 0.307 mg/mL, respectively. In order to improve its stability and expand its application in antioxidant packaging, the nano-encapsulation of NFE within poly(vinyl alcohol) (PVA) and polyvinyl(pyrrolidone) (PVP) bio-composite film was then successfully developed using electrospinning. SEM analysis revealed that the NFE-loaded fibers exhibited similar morphology to the neat PVA/PVP fibers with a bead-free and smooth morphology. The encapsulation efficiency of NFE was higher than 90% and the encapsulated NFE still retained its antioxidant capacity. Fourier transform infrared spectroscopy (FTIR) and X-ray powder diffraction (XRD) analysis confirmed the successful encapsulation of NFE into fibers and their compatibility, and the thermal stability of which was also improved due to the intermolecular interaction demonstrated by thermo gravimetric analysis (TGA). The ability to preserve the fish oil's oxidation and extend its shelf-life was also demonstrated, suggesting the obtained PVA/PVP/NFE fiber mat has the potential as a promising antioxidant food packaging material.

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