Quality assessment of processed Eucommiae Cortex based on the color and tensile force

作     者：Haiying Xu Lanqing Li Chunmei Tan Juanjuan Han Linghang Qu Jiyuan Tu Xianqiong Liu Kang Xu 

作者机构：Hubei Engineering Technology Research Center of Chinese Materia Medica ProcessingCollege of PharmacyHubei University of Chinese MedicineWuhan430065China 

出 版 物：《Medicine in Novel Technology and Devices》 (医学中新技术与新装备（英文）)

年 卷 期：2022年第16卷第4期

页      面：162-171页

学科分类：08[工学] 0812[工学-计算机科学与技术（可授工学、理学学位）] 

基　　金：Hubei Provincial Central Government Guided Local Science and Technology Development Special Project“Traditional Chinese Herbal Medicine Properties and Quality Evaluation Platform”(2020ZYYD030) 

主　　题：Eucommia ulmoides Oliv Color recognition Tensile test Pattern recognition Content prediction 

摘      要：Eucommiae Cortex(EC),the dried stem bark of Eucommia ulmoides Oliv,has been traditionally used to strengthen the muscle and bone tissues and improve liver and kidney functions in East Asian countries,including China,Japan,and ***-fried EC(SFEC)is made by using mixing EC and saline together based on the protocol of Chinese Materia Medica Processing(CMMP)for clinical ***,the clinical effectiveness of SFEC is directly impacted by the frying temperature and *** precise techniques for evaluating the caliber of SFEC have yet to be ***,this study aimed to establish a fast and accurate quality-check method for SFEC decoction *** to the frying temperature and time,four different categories of SFEC had been got according to the Chinese Pharmacopoeia method as Raw(R),Under(U),Moderately(M),and Overly(O).The red(R),green(G),blue(B),and light(L)color values of the decoction pieces were quantitated using the Photoshop software to determine the standard value range of the L color(raw[104.44±15.06],under[67.28±8.20],moderately[39.94±6.40],and over[15.02±5.03]).Additionally,the tensile strengths and pinoresinol diglucoside(PDG)levels of EC gum-silks were measured using the mechanical tensile test and HPLC,*** also conducted Pearson correlation analysis on the L color value,EC gum-silk tension(FbcN),and PDG level,and established the following muliple-linear regression equation:the decline in PDG level(w)=0.829-0.001×FbeN-0.009×*** conclusion,the L color value and FbeN could be used for cluster analysis of four categories of ***,based on the correlation among the L color value,gum-silk tensile test,and PDG level,a rapid and accurate quality-control method for SFEC decoction pieces with different frying temperatures and durations was *** method facilitates the manufacturing of efficacious SFEC.