【英文篇名】 Applicability of visible-near infrared spectroscopy models for determining soluble solid and total acid contents in ‘Nanguo’ pears during storage period 【作者中文名】 李东华; 纪淑娟; 重滕和明; 【作者英文名】 Li Donghua1; Ji Shujuan1; Shigefuji Kazuaki2 （1. College of Food Science; Shenyang Agricultural University; Shenyang 110161; China; 2. Saika Technological Institute Foundation; 75-Kuroda Wakayama City; Japan）; 【作者单位】 沈阳农业大学食品学院; 杂贺技术研究所; 【文献出处】 农业工程学报, Transactions of the Chinese Society of Agricultural Engineering, 编辑部邮箱 2009年 04期 期刊荣誉：中文核心期刊要目总览 ASPT来源刊 中国期刊方阵 CJFD收录刊 【关键词】 近红外光谱; 贮藏; 水果; 数学模型; 南果梨; 【英文关键词】 near infrared sepctroscopy; storage; fruits; mathematical models; ‘Nanguo’ pears; 【摘要】 为确定南果梨糖、酸度可见-近红外光谱模型对不同贮藏期南果梨的适用性和适用时间,进行了贮藏期间南果梨糖、酸度和光谱变化的方差分析,利用偏最小二乘法(PLS)法建立采后6d的南果梨糖、酸度模型,并分析所建模型对不同贮藏期间样品的预测性能,试验结果表明:常温条件下采后18d内南果梨糖、酸含量和光谱的变化趋势一致,而冷藏条件下120d内糖、酸含量和光谱的变化趋势不完全一致;但采后6d所建立的糖、酸度模型校正相关系数均高于0.83,模型对常温下采后12d内、采后冷藏120d内的样品预测相关系数均在0.80以上,表明模型能满足一定贮藏时期内样品的预测要求,为南果梨近红外分级技术的应用提供了依据。 【英文摘要】 In order to determine the applicability of visible-near infrared spectroscopy models for determining Soluble Solid Content(SSC) and Total Acid(TA) in ‘Nanguo’ pears during storage period, the variance analysis of soluble solid content, total acid contents and Visible-Near Infrared(VIS-NIR) Spectra of ‘Nanguo’ pears during different storage periods were conducted by using Duncan’s new multiple range method. The models with samples stored for six days after harvest at room temperature were established based o... 【DOI】 CNKI:SUN:NYGU.0.2009-04-053
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