Optoelectronics Letters

, Volume 14, Issue 5, pp 380–383 | Cite as

Rapid detection of cAMP content in red jujube using near-infrared spectroscopy

  • Wen-Li Yan (闫文丽)
  • Shui-Ying Ren (任水英)
  • Xia-Xia Yue (岳霞霞)
  • Jun Tang (唐军)
  • Chen Chen (陈晨)
  • Xiao-Yi Lü (吕小毅)Email author
  • Jia-Qing Mo (莫家庆)


In this paper, a new method for the rapid, economical and convenient detection of cyclic adenosine monophosphate (cAMP) in jujube is proposed and verified. Based on near-infrared (NIR) fiber spectroscopy combined with stoichiometric analysis, the cAMP content in red jujube can be quickly detected. 68 red jujube samples were used for the NIR spectroscopy data acquisition and the corresponding chemical values were determined. The sample set was adjusted based on the joint XY distance (SPXY) to select the correction sample set. After different preprocessing on the spectra, the partial least squares (PLS) method was used to establish the model, and the smoothed and normalized PLS model result was obtained better. The model’s correction correlation coefficient (Rc), correction set mean square error (RMSEC), prediction correlation coefficient (Rp), and prediction and mean square error (RMSEP) are 0.951 5, 25.793 7, 0.910 8 and 28.228 0, respectively. The results show that NIR combined with specific chemometric methods can achieve rapid detection of cAMP in red jujube.

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Copyright information

© Tianjin University of Technology and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Wen-Li Yan (闫文丽)
    • 1
  • Shui-Ying Ren (任水英)
    • 2
  • Xia-Xia Yue (岳霞霞)
    • 3
  • Jun Tang (唐军)
    • 3
  • Chen Chen (陈晨)
    • 1
  • Xiao-Yi Lü (吕小毅)
    • 1
    • 4
    Email author
  • Jia-Qing Mo (莫家庆)
    • 1
  1. 1.School of Information Science and EngineeringXinjiang UniversityUrumqiChina
  2. 2.Xinjiang Research Institute of Product Quality Supervision and InspectionUrumqiChina
  3. 3.Physics and Chemistry Detecting CenterXinjiang UniversityUrumqiChina
  4. 4.Institute of Health and Environmental MedicineAcademy of Military Medical ScienceTianjinChina

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