LIU Zhenying,XU Liang,WU Cui,et al.Analysis of Quality Changes of Platycladi Semen Before and After Deterioration Based on HS-SPME/GC-MS and Electronic Sensory Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(21):129-137.
LIU Zhenying,XU Liang,WU Cui,et al.Analysis of Quality Changes of Platycladi Semen Before and After Deterioration Based on HS-SPME/GC-MS and Electronic Sensory Technology[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(21):129-137. DOI: 10.13422/j.cnki.syfjx.20220158.
Analysis of Quality Changes of Platycladi Semen Before and After Deterioration Based on HS-SPME/GC-MS and Electronic Sensory Technology增强出版
To analyze the quality changes of Platycladi Semen before and after the deterioration of moth-eaten and rancidity during storage.
Method
2
Four types samples of Platycladi Semen,
including normal, moth-eaten, oxidative rancidity and hydrolytic rancidity, were determined for volatile components, odor, and taste based on headspace solid phase microextraction/gas chromatography-mass spectrometry (HS-SPME/GC-MS) and electronic sensory techniques such as electronic nose and electronic tongue. Volatile components were identified by searching the database and manual comparison, the odor and taste were determined by the response values of the electronic nose and electronic tongue sensors, and the difference between samples before and after deterioration was studied by multivariate statistical analysis.
Result
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A total of 85 compounds were identified in Platycladi Semen samples. Compared with the normal samples, the number of volatile compounds in samples after hydrolytic rancidity decreased by 5, the number of volatile compounds in samples after moth-eaten and oxidative rancidity increased by 1 and 21, respectively. Aldehydes and acids accounted for majority of types. Among them, the contents of
N
-hexanoic acid, hexanal and propionic acid in the samples of oxidative rancidity reached 11.49%, 10.21% and 7.52%, which became the key indicators of rancidity. There was significant variance among the odor components corresponding to W1W, W2W and W1S sensors by electronic nose analysis. It was indicated that the value of sourness in deteriorated samples generally increased by mean of electronic tongue analysis. Compared with normal samples, the moth-eaten samples had changed slightly and rancidity samples had changed significantly especially oxidative rancidity samples of volatile components, odor and taste by multivariate statistical analysis.
Conclusion
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In terms of Platycladi Semen, the oxidative rancidity caused by nature storage for 12 months has the greatest impact on the quality. Therefore, it should be mainly to prevent oxidative rancidity to ensure the quality of Platycladi Semen.
LIU J S , QIAO W , YANG Y , et al . Antidepressant-like effect of the ethanolic extract from Suanzaorenhehuan formula in mice models of depression [J]. J Ethnopharmacol , 2012 , 141 ( 1 ): 257 - 264 .
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