基于矿物元素指纹分析技术的菠萝产地鉴别
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中山市食品药品检验所,广东 中山 528402

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郑鸿涛(1978—),男,中山市食品药品检验所高级工程师,学士。E-mail:65130078@qq.com

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中山市社会公益科技研究项目(编号:2022B2018);广东省市场监督管理局科技项目(编号:2025CS17)


Origin identification of pineapples based on mineral element fingerprint analysis technology
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Zhongshan Institute for Food and Drug Control, Zhongshan, Guangdong 528402, China

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    摘要:

    目的 分析不同菠萝样本中矿物元素含量差异,探究基于元素指纹分析的判别模型应用于地理标志产品神湾菠萝鉴别的可行性。方法 采用电感耦合等离子体质谱法测定5个菠萝样本中28种矿物元素含量,结合主成分分析、偏最小二乘判别分析、Fisher判别分析确定分类特征元素,建立并评价不同产地菠萝以及同产地不同基地菠萝判别模型。结果 筛选出神湾镇芒冲村、徐闻镇愚公楼村、江川镇五合村3个不同产地菠萝鉴别的特征矿物元素Ca、K、Mg、Mn。筛选出神湾镇芒冲、大排、磨刀3个不同种植基菠萝鉴别的特征矿物元素Ca、K、Mg、Na、B。根据特征矿物元素建立的Fisher判别模型,不同产地菠萝样品整体判别正确率均为100%,不同基地菠萝样品整体判别正确率为95.9%。结论 基于矿物元素的多元统计分析方法可以实现不同产地或者不同基地菠萝样品的有效判别,可用于菠萝的溯源。

    Abstract:

    Objective To analyze the differences in mineral element contents among different pineapple samples and explore the feasibility of applying a discriminant model based on elemental fingerprint analysis to the identification of Shenwan pineapple, a geographical indication product.Methods Inductively coupled plasma mass spectrometry was employed to determine the contents of 28 mineral elements in 5 different pineapple samples. Combined with principal component analysis, partial least squares discriminant analysis, and Fisher discriminant analysis, the classification characteristic elements were identified. Discriminant models for pineapples from different producing areas and different bases within the same producing area were established and evaluated.Results The characteristic mineral elements (Ca, K, Mg, and Mn) for identifying pineapples from three different producing areas, namely Mangchong Village of Shenwan Town, Yugonglou Village of Xuwen Town, and Wuhe Village of Jiangchuan Town, are screened out. For pineapples from three different planting bases (Mangchong, Dapai, and Modao) in Shenwan Town, the characteristic mineral elements identified are Ca, K, Mg, Na, and B. The Fisher discriminant model established based on these characteristic mineral elements achieves an overall discrimination accuracy of 100% for pineapple samples from different producing areas and 95.9% for those from different bases.Conclusion The multivariate statistical analysis method based on mineral elements can effectively discriminate pineapple samples from different producing areas or different bases and can be applied to the traceability of pineapples.

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柯坚灿,陈丽仪,董海,等.基于矿物元素指纹分析技术的菠萝产地鉴别[J].食品与机械,2026,42(8):70-78.
Ke Jiancan, Chen Liyi, Dong Hai, et al. Origin identification of pineapples based on mineral element fingerprint analysis technology[J]. Food & Machinery,2026,42(8):70-78.

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  • 收稿日期:2025-09-17
  • 最后修改日期:2026-05-06
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  • 在线发布日期: 2026-09-22
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