基于电子鼻技术的野生白术与栽培白术气味比较

Analysis Odor of Rhizoma Atractylodis Macrocephalae Based on Electronic Nose

目的:评价野生白术与栽培白术的品质。方法:通过电子鼻检测不同白术气味在传感器上的响应值,并采用主成分(PCA)、判别因子(DFA)及统计质量控制法(SQC)进行分析。结果:野生白术与栽培白术气味差异明显;浙江磐安白术、安徽祁门引种的浙白术及阳生环境栽培的野生白术气味相近;湖北咸丰、江西修水等地白术及苍术与其它白术的气味差异较大。结论:电子鼻技术对白术气味的判别与传统经验鉴别相一致,电子鼻技术结合数学模型可以作为中药质量鉴别手段。

Objective：To appraise rationally the quality between wild and cultivated Rhizoma Atractylodis Macrocephalae.Methods：Evaporability composition of Rhizoma Atractylodis Macrocephalae was sampled from headspace of emanating,and then response values was obtained.Principal component analysis（PCA） and discriminant factor analysis（DFA） are used to combine the optimum feature parameters,and statistical quality control analysis（SQC）.Results：The odor of wild Atractylodis Macrocephalae Rhizoma was diffenrent from that of the cultivated.The odor of Atractylodis Macrocephalae Rhizoma cultivated in Zhejiang was similar to the cultivated in Anhui which transplanted from Zhejiang and wild Atractylodis Macrocephalae Rhizoma which cultivated in the environment with full of sunlight.The odor of Atractylodis Macrocephalae Rhizoma cultivated in Hubei and Jiangxi were diffenrent to the odor of others.Conclusion：The quality of semiwild cultivated Atractylodis Macrocephalae Rhizoma was the similarest to the wild.The electronic nose combined with PCA,DFA and SQC can be applied to identify the quality of Traditional Chinese Medicine.