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首页> 外文期刊>Acta Horticulturae >Nondestructive determination of total soluble solids in 'Long-lab-lae' durian fruits using near-infrared spectroscopy
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Nondestructive determination of total soluble solids in 'Long-lab-lae' durian fruits using near-infrared spectroscopy

机译：使用近红外光谱法无损测定“长实验室 - Lae”榴莲果实中总可溶性固体

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摘要

Uttaradit province in the lower northern region of Thailand is now the major growing area of 'Long-lab-lae' durian, especially Lab-Iae district. 'Long-lab-lae' is a very popular cultivar among consumers. Total soluble solids (TSS) is an important trait used as a quality indicator of 'Long-lab-lae' durian fruit. However, mature durian fruits are very difficult to determine from their external appearance. Near-infrared (NIR) spectroscopy is an interesting technology due to its nondestructive measurement process. It is a technique to predict the chemicals rapidly and accurately, saving time and reducing the cost of the chemicals for analysis. Therefore, this research aimed to study the determination of TSS at upper fruit stem level, lower fruit stem level and the center of durian fruit using a portable NIR spectrometer over the wavelength range of 700-1,100 nm. The calibration equations were developed from correlation between NIR spectrum and TSS of flesh using multiple linear regression analysis. From the results, the equation derived from the spectrum at the center of durian fruit provided the best TSS prediction of 'Long-lab-lae' with the highest multiple correlation coefficient (R) at 0.94, the lowest standard error of prediction at 2.95% and bias at -0.66%.
机译：泰国北部北部地区的北部北部地区是“长实验室”榴莲的主要成长面积，尤其是Lab-Iae区。 'Lov-Lab-Lae'是消费者中一种非常受欢迎的品种。可溶性固体（TSS）是一种重要的特征，用作“长实验室 - Lae”榴莲果实的质量指标。然而，成熟的榴莲果实非常难以从外观中确定。由于其无损测量过程，近红外（NIR）光谱是一种有趣的技术。它是一种快速准确，节省时间，降低化学品的成本，可以快速准确地预测化学品的技术。因此，该研究旨在使用便携式的NIR光谱仪在700-1,100nm的波长范围内使用便携式NIR光谱仪测定上水果茎水平，下水果茎水平，下水果茎水平和中心果实中心的测定。使用多元线性回归分析，从NIR光谱与肉体TS的相关性开发了校准方程。从结果中，从榴莲果中心的频谱衍生的方程提供了在0.94时具有最高多个相关系数（R）的最佳TSS预测，其预测最低标准误差为2.95％和偏见为-0.66％。

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