Comparative evaluation of various DNA extraction methods and analysis of DNA degradation levels in commercially marketed Chestnut rose juices and beverages

比较评估各种 DNA 提取方法并分析市售栗子玫瑰汁和饮料中的 DNA 降解水平

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作者:Yongchao Ren, Yunlong Ma, Yanqi Li, Yun Song, WeiWei Zhao, Xuncai Huang, Danmin Yu, Jian Li, Zuogang Xu, Wenjun Zhao

Background

Food safety is a significant global study subject that is strongly intertwined with human life and well-being. The utilization of DNA-based

Conclusions

To achieve precise DNA quantification, selecting suitable extraction strategies for the given matrix is necessary. The combination approach was identified as the most effective DNA extraction technique and is suggested for extracting DNA from Chestnut rose juices and beverages. This comparative assessment can be particularly valuable for extracting and identifying processed Juices and Beverages in a diverse range of food compositions.

Methods

The quantity and quality of the extracted DNA were assessed using NanoDrop One spectrophotometer, gel electrophoresis, and real-time polymerase chain reaction (real-time PCR or qPCR) assays. An assessment was conducted on the processing time, labor intensity, and cost associated with each approach. The degree of DNA degradation in Chestnut rose juice or beverage was also assessed using TaqMan real-time PCR methods.

Results

The non-commercial modified CTAB-based approach yielded a high DNA concentration. However, spectrophotometric results and real-time PCR analysis showed poor DNA quality. The combination approach showed the greatest performance among the extraction methods, while being comparatively time-consuming and costly in contrast to the other methods. Additionally, the analytical findings of DNA degradation suggested that the integrity of sample DNA could be influenced by the intricacy of processing methods used by various manufacturers. Conclusions: To achieve precise DNA quantification, selecting suitable extraction strategies for the given matrix is necessary. The combination approach was identified as the most effective DNA extraction technique and is suggested for extracting DNA from Chestnut rose juices and beverages. This comparative assessment can be particularly valuable for extracting and identifying processed Juices and Beverages in a diverse range of food compositions.

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