Method for rapidly detecting quality of sugar cane juice based on near infrared spectrum analysis

A near-infrared spectroscopy and detection method technology is applied in the field of rapid detection of sugarcane juice quality, and can solve the problems of laborious, time-consuming, complex chemical and chromatographic analysis methods, etc.

Inactive Publication Date: 2011-11-02
食品行业生产力促进中心
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Problems solved by technology

[0004] In order to solve the chemical and chromatographic analysis methods of sugarcane juice quality detection, which are complicated to operate, time-consuming and labor-intensive, the present invention provides a mathematical model that utilizes the near-infrared spectrum of sugarcane juice and the various quality parameters of sugarcane juice to analyze the quality parameters of sugarcane juice. Rapid detection method for assay

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Embodiment 1

[0016] The implementation of the present invention mainly includes model establishment, use and maintenance of the model, and the hardware and software facilities include the near-infrared spectrometer, the tungsten halogen lamp supporting the spectrometer, the power supply, the sample pool, the chemometric software, the computer and other parts. The wavelength scanning range of the spectrometer is 3600-12500cm -1 . The spectrometer is connected to the computer with a data line, and the sucrose juice is placed in the quartz sample cell. After the data collection is completed, the data is analyzed using the special analysis software for the spectrum. The detection spectrum acquisition system can also use accessories such as liquid fiber optic probes that are more convenient to operate.

[0017] Whole implementation process of the present invention is as follows:

[0018] 1. Calibration set sample preparation: first collect sugarcane samples from different farms and main varie...

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Abstract

The invention provides a method for quickly detecting the quality of sugar cane juice by using characteristic information of quality differences consisting of sugar degree, concentration (brix) and cane sugar content of the sugar cane juice, reflected in a near infrared spectrum. The method comprises the following steps of: crushing a sugar cane sample, squeezing and filtering to obtain a sugar cane sample; acquiring a near infrared spectrum of the sugar cane sample; and converting acquired near infrared spectrum information into quality parameters of the sugar cane juice to be detected with a partial least square algorithm by using the characteristic information reflected by different quality parameters of the sugar cane juice in the near infrared spectrum to quickly detect the quality of the sugar cane juice. Due to the adoption of the method, pricing by quality is conveniently realized for a sugar making enterprise, the production consumption is lowered, excellent quality and high price during selling can be practically and technically ensured for a sugar cane peasant, and the benefits of the sugar cane peasant are guaranteed.

Description

technical field [0001] The present invention relates to a method for quickly detecting the quality of sugarcane juice. Specifically, it involves using the characteristic information reflected in the near-infrared spectrum of quality differences such as sugar content, concentration, and sucrose content in sugarcane juice, and using the partial least squares algorithm to convert the collected near-infrared spectrum. The infrared spectrum information is converted into the parameters of the medium quality of the sugarcane juice to be tested, and the method for quickly detecting the medium quality of the sugarcane juice. Background technique [0002] Nearly 70% of the production costs of enterprises using sugarcane sugar lie in the raw material-sugarcane. In my country, due to the relative dispersal and backwardness of sugarcane agriculture and the limitations of complex operations, time-consuming and laborious operations of traditional detection and analysis techniques, it is sti...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25G01N21/35G01N21/3577G01N21/359
Inventor 屠振华孙丽娟温凯冯霖
Owner 食品行业生产力促进中心
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