用傅立叶变换红外光谱(FTIR)和化学计量学相结合的方法分析软糖中明胶的清真认证

Nina Salamah, Sayyidah Luthfiyah Jufri, Hari Susanti, Irwandi Jaswir
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引用次数: 0

摘要

软糖的主要成分是由牛和猪的皮/骨头制成的明胶,即牛明胶和猪明胶。本研究旨在用一种快速、低成本的方法分析软糖中存在的牛明胶和猪明胶。所使用的方法是FTIR和化学计量学的结合。参考糖样品分别以配方猪明胶的浓度为15%、30%、45%、60%、75%、90%和100%制作。作为对照,我们使用牛明胶作为参考糖。在4000 ~ 500 cm-1的波数范围内,用FTIR在反射模式下对所有糖果样品进行测量。使用Minitab 18应用化学计量学方法进行数据分析。PLS校准结果在y = 0,99999 x + 0.000396表示良好的相关性。R2 = 0.99999, RMSEC为0.03%。内部验证R2 = 0.9999, RMSECV = 3.69%;外部验证R2 = 0.9994, RMSEP = 1.28%。主成分分析结果显示了牛明胶和猪明胶的不同象限分类。此外,市场糖果象限、牛明胶和猪明胶之间也有相似之处。该方法快速、成本低,样品制备简单,可用于软糖中牛明胶和猪明胶的红外光谱和化学计量学检测和分类。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of Gelatin on Soft Candy using a Combination of Fourier Transform Infrared Spectroscopy (FTIR) with Chemometrics for Halal Authentication
The main ingredients of soft candies are gelatin made from the skin/bones of cows and pigs, i.e. bovine and porcine gelatin. This research aims to analyze the present bovine and porcine gelatin in soft candy using a fast and low-cost method. The method used is a combination of FTIR and chemometrics. The reference candy samples were made with formulation porcine gelatin concentrations of 15, 30, 45, 60, 75, 90 and 100%. As a control, we used a bovine gelatin reference candy. All the candy samples were measured with FTIR in the reflection mode in the wavenumber range from 4000 to 500 cm-1. Data analysis was carried out using the chemometric method with the Minitab 18 application. PLS calibration results in y = 0, 99999x + 0.000396 indicate a good correlation. The value of R2 = 0.99999 and the RMSEC of 0.03%. Internal validation with R2 = 0.9999 and RMSECV = 3.69% and external validation with R2 = 0.9994 with RMSEP = 1.28%. The PCA results show different quadrant classifications of bovine and porcine gelatin. Also, there are similarities between the market candy quadrant, bovine gelatin, and porcine gelatin. The fast method and low cost involved simple sample preparation, which were developed to detect and classify the presence of bovine and porcine gelatin in soft candy using FTIR and chemometrics.
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