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红外光谱分析在花鼠体毛鉴定中的应用

2021-10-30周思宇杨文建苏航于成文姜明明金志民

天津农业科学 2021年10期

周思宇 杨文建 苏航 于成文 姜明明 金志民

摘    要:为得到花鼠(Tamiassibiricus)体毛的特征性图谱,使用傅立叶变换红外光谱技术(FTIR)对花鼠的背毛和腹毛进行检测和分析。经过对各组数据二阶导数红外光谱图分析,结果表明,花鼠背毛及腹毛数据最强峰的位置均在781 cm-1附近处,次强峰的位置707 cm-1附近处,波谷的位置在786 cm-1附近处。综合说明红外光谱分析法在鼠类体毛的识别鉴定中能够起到一定的作用,可为鼠类种类鉴定提供了新的探索方法及依据,同时能够为鸮形目等进行食性分析提供更加快捷、简便的方法,并为鼠类种类鉴定提供了一定的依据。

关键词:花鼠;背毛;腹毛;红外光谱分析

中图分类号:Q95-336         文献标识码:A            DOI 编码:10.3969/j.issn.1006-6500.2021.10.017

Application of Infrared Spectroscopy in the Identification of Chipmunk Body Hair

ZHOU Siyu1, YANG Wenjian1, SU Hang1, YU Chengwen1, JIANG Mingming2, JIN Zhimin1

(1.Faculty of Life Science Technology, Mudanjiang Normal University, Mudanjiang, Heilongjiang 157011, China;2.Heilongjiang Agricultural Economics Vocational College,Mudanjiang,Heilongjiang 157041,China)

Abstract: In order to obtain the characteristic map of the body hair of the chipmunk (Tamias sibiricus), fourier transform infrared spectroscopy (FTIR) was used to detect and analyze the back hair and abdominal hair of chipmunk. After analyzing the second derivative infrared spectrogram of each group of data, the results showed that the strongest peak, the second strongest peak and the trough of each group data both in chipmunk's back hair and abdominal hair were around 781, 707, 786 cm-1, respectively. Therefore, it is inferred that infrared spectroscopy could play a certain role in the identification of rat hair and has a good application prospect, which provides a new exploration method and basis for the identification of rat species, and at the same time, it can speed up the analysis of food habits of owl.

Key words: chipmunk; backhair; body hair; infrared spectrum analysis

花鼠(Eutamias sibiricus)別名五道眉,属啮齿目松鼠科花鼠属(Eutamias)的一种小型哺乳动物,其身体背部具有四条明色和五条暗色相间的平行纵纹,面部具颊囊,能够用来储藏食物,其尾长几乎与身体等长,主要栖息于山地针叶林、针叶-阔叶混交林[1],其食性广,在农业上主要危害果蔬、谷物桑蚕,对林业及果蔬业有一定的危害,是一种农林害鼠[2],以草食性为主,具有贮存食物和冬眠的习性[3];主要在我国黑龙江、吉林、内蒙古、北京、山西等地分布[4],且该物种数量多,遇见率较高[5],是一类重要的啮齿动物类群[6]。在目前的研究中,对花鼠的贮食行为[7]、食性分析[8]及分子生物学[9]方面的研究较多,但对花鼠体毛鉴定方面的研究较少。

傅立叶变换红外光谱技术是以400~4 000 cm-1连续波数的红外光对……

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