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Citation: GONG Guizhen, CAO Hong. Analysis of Petroleum Ether and Ethanol Extractable Species from Rice Straw[J]. Chinese Journal of Applied Chemistry, ;2014, 31(6): 726-731. doi: 10.3724/SP.J.1095.2014.30450 shu

Analysis of Petroleum Ether and Ethanol Extractable Species from Rice Straw

GONG Guizhen ^, ,
CAO Hong

1.
School of Chemical Egineering, Xuzhou Institute of Technology, Xuzhou 221111, China

Corresponding author: GONG Guizhen,
Received Date: 4 September 2013
Available Online: 10 December 2013

Rice straw was extracted with petroleum ether and ethanol by Soxhlet extraction,respectively.Detailed characterizations of the extracts were performed with a gas chromatography/mass spectrometer(GC/MS),Fourier transform infrared(FTIR) spectrometer.The results show that the extraction yields of ethanol and petroleum ether are 8% and 6%,respectively.In total,40 organic species were identified from extracts,and they can be classified into 7 groups of components:alcohols and phenols(APs),aldehydes,ketones,acids,esters,hydrocarbons(HCs) and organonitrogen compounds(ONs).Esters,HCs and APs are the most abundant compounds in the petroleum ether extactable fraction,the total relative content of which is 91.7%.More HCs,acids,esters,and APs are detected in ethanol extracts,the total relative content is 83.9%.The research is significant in the high value added utilization of straw.
- rice straw,
- extraction,
- FTIR,
- GC/MS analysis
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