Identification of different breeds of Fagopyrum tataricum by differential thermal analysis and near infrared reflectance spectroscopy
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摘要: 目的 用差热分析法(DTA)和近红外漫反射光谱(NIRS)法对11种栽培苦荞麦进行快速分析鉴别。 方法 应用TG-DTA热重差热联用仪分别对11个栽培品种苦荞麦进行差热图谱扫描与分析。实验条件为差热量程:±50 μV;升温速率:15 ℃/min;升温范围:35 ℃~500 ℃;气氛为氮气,流速:50 ml/min。应用Bruker Vector 22/N 型傅立叶变换近红外光谱仪对11种栽培苦荞麦进行扫描。实验条件为测定方式:积分球漫反射;扫描次数64次;扫描范围:3 700~12 000/ cm。 结果
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关键词:
- 苦荞麦 /
- 差热分析(DTA) /
- 近红外漫反射光谱(NIRS) /
- 鉴别
Abstract: Objective To identify different breeds of Fagopyrum tataricum by differential thermal analysis and near infrared reflectance spectroscopy. Methods TG/DTA and thermal analysis were both used to scan and analyze the thermal map of 11 breeds of F. tartaricum. The experiment conditions included DTA range of ±50 μV, a calefactive rate of 15 ℃/min, an ambience of nitrogen and flow velocity of 50 ml/min. Bruker Vector 22/N-type Fourier transform near infrared spectroscopy was used to scan and analyze of 11 breeds F. tartaricum. Experiment conditions were: integrating sphere diffuse reflectance as measure methods; scan for 64 times; 3 700 ~ 12 000/cm as scan range. Results Both methods could identify the Jiande tartary buckwheat from other breeds. Conclusion Jiande tartary buckwheat was a new cultivar, nutrient value and pharmacological activity of which should be evaluated for promotion. -
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