Encapsulation of albumin from snakehead fish (Channa striata) with porous starch from arrowroot (Maranta arundinacea)

IF 6.5 Q1 CHEMISTRY, APPLIED Carbohydrate Polymer Technologies and Applications Pub Date : 2025-03-01 Epub Date: 2025-01-25 DOI:10.1016/j.carpta.2025.100684

Nastitia Dian Pratiwi, Arima Diah Setiowati, Lucia Dhiantika Witasari

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Abstract

Through an enzymatic process, arrowroot (Maranta arundinacea) porous starch produces pores on the surface of starch granules, making it a potential bioadsorbent and encapsulation material. Snakehead fish albumin (Channa striata) is a sensitive component whose functional properties must be preserved. Therefore, encapsulating albumin through spray drying is necessary to protect it from external environmental factors. This study aimed to evaluate the encapsulation efficiency as well as morphological, physical, and chemical properties of encapsulated albumin using arrowroot porous starch. The P-50, porous starch:gum arabic (50:50) formula demonstrated the highest encapsulation efficiency of 98.88 %. Scanning electron microscopy revealed that porous starch adsorbs albumin on its surface. X-ray diffraction and Fourier-transform infrared profiles indicated an amorphous structure with minimal crystallinity, confirming the adsorption of albumin onto porous starch. The water content and water activity values of powder encapsulated with porous starch were better than those of native starch. Therefore, porous starch from arrowroot can be effectively used as an albumin encapsulant.

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用竹芋淀粉包封黑头鱼白蛋白的研究

通过酶促过程，竹芋淀粉在淀粉颗粒表面产生孔隙，使其成为一种潜在的生物吸附剂和包封材料。黑头鱼白蛋白是一种敏感成分，必须保留其功能特性。因此，为了保护白蛋白不受外界环境因素的影响，有必要通过喷雾干燥将白蛋白包裹起来。本研究旨在评价竹芋多孔淀粉包封白蛋白的包封效率以及包封后白蛋白的形态、物理和化学性质。P-50，多孔淀粉：阿拉伯胶（50:50）配方的包封率最高，为98.88%。扫描电镜显示，多孔淀粉在其表面吸附白蛋白。x -射线衍射和傅里叶变换红外谱图显示了一种结晶度极小的无定形结构，证实了白蛋白在多孔淀粉上的吸附作用。多孔淀粉包封的粉末含水量和水活度值均优于天然淀粉包封的粉末。因此，竹芋的多孔淀粉可以有效地用作白蛋白包封剂。

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