Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2025, Vol. 41 ›› Issue (19): 159-164.doi: 10.11924/j.issn.1000-6850.casb2025-0008

Previous Articles    

Analysis of Microchemical Characterisation of Oriental River Prawns (Macrobrachium nipponense) from Different Origins

XUE Junren1(), XU Yiqian2, YANG Jian1,2(), JIANG Tao1, CHEN Xiubao1, LIU Hongbo1   

  1. 1 Laboratory of Fishery Microchemistry, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, Jiangsu 214081
    2 Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, Jiangsu 214081
  • Received:2025-01-02 Revised:2025-04-29 Online:2025-07-05 Published:2025-07-10

Abstract:

The study aims to understand the content of mineral elements in the edible portion of oriental river prawns (Macrobrachium nipponense) from different cultured and wild origins, to further explore the nutritional quality of oriental river prawns from different origins and the possibilities of mineral elements and stable isotopes for determining the origin of oriental river prawns. This paper selected samples from Yixing, Kunshan, and Shezhu culture origins and the Yangtze River wild oriental river prawns population for the study, and analyzed the content of 21 mineral elements using inductively coupled plasma mass spectrometry (ICP-MS). The results showed that each oriental river prawns contained not only the essential macronutrients Ca, Na, Mg and K, but also the essential trace elements Fe, Zn, Mn, Se and Cu. One-way analysis of variance showed that there were significant differences in the contents of various mineral elements in spring and autumn (P<0.05). The results of stepwise discrimination analysis based on mineral elements showed that the discrimination accuracy could reach 100% and 98.3% for spring and autumn oriental river prawns, respectively, while the C and N stable isotope ratios had the potential to differentiate between wild and farmed oriental river prawns. The results effectively confirmed that the oriental river prawns is a healthy aquatic product with high nutritional value, and that the microchemical ‘fingerprints’ have the potential to be used for origin traceability.

Key words: Macrobrachium nipponense, mineral element, stable isotopes, origin traceability, one-way analysis of variance, linear discriminant analysis