机器学习模型稳定性用于巴罗萨山谷希拉兹葡萄酒的亚区域分类,使用A-TEEM光谱学
1School of Agriculture, Food and Wine, and Waite Research Institute, The University of Adelaide, PMB 1, Glen Osmond, SA 5064, Australia.
Foods (Basel, Switzerland)
|May 11, 2024
概括
吸收-传输和光激发-发射矩阵 (A-TEEM) 结合机器学习准确地按年份和次区域分类葡萄酒. 这种光谱指纹检测方法在检测葡萄酒欺诈和验证产地方面表现有前途.
科学领域:
- 分析化学 分析化学
- 食品科学 食品科学 食品科学
- 机器学习 机器学习
背景情况:
- 葡萄酒欺诈带来经济风险,损害地区声誉.
- 使用A-TEEM的分子指纹识别为葡萄酒的真实性提供了潜在的可能性.
- 之前的研究缺乏关于A-TEEM模型稳定性和葡萄酒混合物分类的数据.
研究的目的:
- 评估 A-TEEM 葡萄酒分类模型的稳定性和应用性.
- 开发和验证机器学习模型,以按年份和巴罗萨山谷次区域分类希拉兹葡萄酒.
- 通过光谱指纹检测,研究葡萄酒混合物的分类准确性.
主要方法:
- 使用吸收传输和光激发发射矩阵 (A-TEEM) 光谱技术进行分子指纹采集.
- 在建筑分类模型中使用极端梯度增强差分分析 (XGBDA).
- 应用交叉验证和培训/测试组分为模型评估,用于来自五个次区域的四个年份的雪拉兹葡萄酒.
主要成果:
- 获得了百分之百的交叉验证准确度,用于年份和98.8%的未知样本预测.
- 达到了99.5%的分区域交叉验证准确度和93.8%的未知样本预测.
- 证明了近期葡萄的百分之百年份预测和高准确度的次区域预测新数据,包括葡萄酒混合物的成功分类.
结论:
- 与XGBDA相结合的A-TEEM提供了一种可靠的葡萄酒认证和原产地验证方法.
- 开发的模型表现出稳定性和有效性,可以根据年份,次区域和混合成分对葡萄酒进行分类.
- 这种光谱指纹方法支持数据驱动的地形分类,并打击葡萄酒欺诈.
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