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. 2024 Jun 6;14(1):13038.
doi: 10.1038/s41598-024-61667-2.

Quality evaluation of chicken soup based on entropy weight method and grey correlation degree method

Zhongwen Cao  1 , Tanglei Zhang  2 , XiKui Tong  3
Affiliations

Quality evaluation of chicken soup based on entropy weight method and grey correlation degree method

Zhongwen Cao et al. Sci Rep. .

Abstract

This study aimed to develop an assessment framework for evaluating the quality of different chicken soup variants. Three types of chicken soup, traditional chicken soup (TCS), concentrated chicken soup (CCS), and blended chicken soup (BCS), were prepared and analyzed for various physicochemical parameters, including gross protein content, crude fat content, pH level, solid content, viscosity, and chromatic aberration value. Sensory evaluation was also conducted to assess overall quality. Correlation analysis helped identify three key evaluation indicators: gross protein content, L* value (lightness), and b* value (chromatic aberration). The weight assigned to gross protein content was the highest using the entropy weight method (EWM). Moreover, the grey correlation degree method was comprehensively applied to evaluate the chicken soup's quality. This analysis identified TCS and CCS as varieties with superior overall quality, showing a positive correlation with sensory evaluation, consistent with the results of nuclear magnetic resonance (NMR) used in this paper. These results provide theoretical support for assessing comprehensive quality and selecting chicken soup varieties.

Keywords: Chicken soup; Correlation analysis; Entropy weight method; Grey correlation degree; Objective quality evaluation.

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Conflict of interest statement

The authors declare no competing interests.

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