Grasas y Aceites, Vol 71, No 3 (2020)

GC-MS analysis of volatiles in cinnamon essential oil extracted by different methods

T. Yu
South China University of Technology, School of Food Science and Engineering, China

H. Yao
South China University of Technology, School of Food Science and Engineering, China

S. Qi
South China University of Technology, School of Food Science and Engineering, China

J. Wang
South China University of Technology, School of Food Science and Engineering, China


Cinnamon essential oil (CEO) was extracted by three different methods: steam distillation (SD), ultrasound-assisted steam distillation (UASD) and microwave-assisted steam distillation (MASD). The volatiles in CEO were separated and identified by gas chromatography–mass spectrometry (GC-MS), and the differences in volatiles among the three different methods were further analyzed through principal component analysis. The results showed that 36 individual volatile components were present in the CEO from the three different methods. In general, the numbers of aldehydes, esters, alcohols, terpenes, aromatics and ketones were 6, 3, 7, 17, 2, and 1, respectively. The most abundant volatile component was determined to be cinnamic aldehyde. The content of total cinnamic aldehydes, which determines the price of CEO, was the highest among the three methods in the UASD sample (85.633%). Moreover, the highest yield (8.33‰) of essential oil was extracted by the UASD method. Therefore, UASD was the best way for CEO extraction in this research and was recommended for future industrial applications.


Cinnamic aldehyde; Cinnamon essential oil; Extraction method; GC-MS; Volatiles

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