Multi-indicator Stoichiometric Analyses of Lsatidis Radix,Lobliae Chinensis Herba,and Mentha haplocalyx Briq Based on Combustion Stability and Trace Elements
Three kinds of Chinese herbs,Lsatidis Radix,Lobliae Chinensis Herba and Mentha haplocalyx Briq,produced in Jinxiu,Guangxi,were selected as the research objects,and the heat of combustion,stability of combustion,fat,crude fibre,ash,trace elements of Lsatidis Radix,Lobliae Chinensis Herba and Mentha haplocalyx Briq were determined,and the quality was also evaluated in terms of multiple indicators using chemometric methods.The results showed that the combustion heat contents of Lsatidis Radix,Lobliae Chinensis Herba,and Mentha haplocalyx Briq ranged from 19 518.87 to 24 282.02 J/g;the combustion stability was in the following order:Guangxi Jinxiu Lobliae Chinensis Herba>Guangxi Jinxiu Lsatidis Radix>Guangxi Jinxiu Mentha haplocalyx Briq;the fat content ranged from 0.10 to 1.07%,and the content order was:Guangxi Jinxiu Lobliae Chinensis Herba>Guangxi Jinxiu Mentha haplocalyx>Guangxi Jinxiu Lsatidis Radix;the ash content ranged from 5.27 to 12.03%,and the order of size was:Guangxi Jinxiu Mentha haplocalyx Briq>Guangxi Jinxiu Lobliae Chinensis Herba>Guangxi Jinxiu Lsatidis Radix;crude fibre content ranged from 11.65 to 27.77%,and the order was:Guangxi Jinxiu Mentha haplocalyx Briq>Guangxi Jinxiu Lsatidis Radix>Guangxi Jinxiu Lobliae Chinensis Herba.The order of multiple indicators of heat of combustion,combustibility(combustion stability of Lsatidis Radix,Lobliae Chinensis Herba and Mentha haplocalyx Briq),fat content,ash,crude fibre,trace elements content was:Mentha haplocalyx Briq from Jinxiu,Guangxi>Lobliae Chinensis Herba from Jinxiu,Guangxi>Lsatidis Radix from Jinxiu,Guangxi.This study establishes multi-indicator analysis and evaluation systems for Lsatidis Radix,Lobliae Chinensis Herba and Mentha haplocalyx Briq from Jinxiu,Guangxi,to provide a certain theoretical basis and scientific guidance for the quality evaluation of Lsatidis Radix,Lobliae Chinensis Herba and Mentha haplocalyx Briq from Jinxiu,Guangxi and their comprehensive utilisation.
Lsatidis RadixLobliae Chinensis HerbaMentha haplocalyx Briqheat of combustion
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