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Detection method for adulteration of olive oil based on hyperspectral imaging technology

A technology of hyperspectral imaging and detection method, applied in the field of food detection, can solve the problems of waste, destructive detection, and complex detection process of detection methods, and achieve the effect of improving accuracy

Inactive Publication Date: 2018-08-14
ZHEJIANG SCI-TECH UNIV
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Problems solved by technology

[0006] The purpose of the present invention is to provide a method for detecting olive oil adulteration based on hyperspectral imaging technology, so as to solve the problems of complex detection process, long time-consuming, destructive detection and large waste of detection methods in the prior art

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  • Detection method for adulteration of olive oil based on hyperspectral imaging technology
  • Detection method for adulteration of olive oil based on hyperspectral imaging technology
  • Detection method for adulteration of olive oil based on hyperspectral imaging technology

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[0029] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, and the following embodiments do not constitute a limitation of the present invention.

[0030] This technical solution is based on hyperspectral imaging technology, which uses tens to hundreds of continuous and subdivided spectral bands to simultaneously image the target area in the ultraviolet, visible, near-infrared and mid-infrared regions of the electromagnetic spectrum. Image has the advantage of combining image and spectrum. This technical solution uses hyperspectral imaging technology to detect olive oil adulteration, which has the advantages of no damage, no pollution, automation, fast and high efficiency.

[0031] Such as figure 1 As shown, an embodiment of the technical solution, a method for detecting adulteration of olive oil based on hyperspectral imaging technology, comprises the following steps:

[003...

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Abstract

The invention discloses a detection method for adulteration of olive oil based on a hyperspectral imaging technology. The method comprises the following steps: obtaining pure olive oil and an olive oil sample with adulteration according to a preset proportion, performing hyperspectral image acquisition on the obtained olive oil sample, extracting an average spectrum of a region of interest, employing a continuous projection algorithm to select eight characteristic wavelengths, and establishing a multivariate linear regression model. The established multivariate linear regression model is usedfor detecting an unknown sample, and whether the detected unknown sample is adulterated or not can be determined. The detection method has the advantages of no damage, no pollution, automation, rapidity, and high efficiency.

Description

technical field [0001] The invention belongs to the technical field of food detection, and in particular relates to a detection method for olive oil adulteration based on hyperspectral imaging technology, which is used for non-destructive detection of olive oil. Background technique [0002] Olive oil is the oil obtained by direct cold pressing of mature olive fresh fruit. Compared with other vegetable edible oils, it is rich in unsaturated fatty acids, vitamins A, D, E, F, K and carotene and other ingredients. digested and absorbed by the human body. Since olive oil has not undergone chemical treatment during the processing and extraction process, its natural nutrients have not been destroyed, so it is the most suitable edible oil for human body among oils so far. Considered "liquid gold" for its health benefits, which include anticancer, antimicrobial, hypocholesterolemic, antihypertensive, and anti-inflammatory effects. [0003] At present, olive oil is popular in the i...

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Application Information

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IPC IPC(8): G01N21/31G01N21/55
CPCG01N21/31G01N21/55
Inventor 桂江生吴子娴
Owner ZHEJIANG SCI-TECH UNIV
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