A multi-index rapid nondestructive synchronous detection method for fresh beef
A synchronous detection, multi-index technology, applied in measuring devices, material analysis by optical means, instruments, etc., can solve the problems of cumbersome, long cycle, time-consuming and other problems in the detection process of fresh beef, and achieve fast speed, simple operation and accuracy. The effect of multi-index detection
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Embodiment 1
[0049] Such as Figure 1-3 As shown, a kind of fast non-destructive synchronous detection method of multiple indicators of fresh beef provided by the present embodiment comprises the following steps:
[0050] 1) Collect 400 fresh beef samples from the market, remove the fat and fascia on the surface of the samples, without crushing or homogenizing, and then collect the near-infrared spectral data information of the samples in batches;
[0051] image 3 It is the near-infrared spectrum information of 400 fresh beef samples. Such as figure 1 As shown, in the process of collecting near-infrared spectral information, the surface of the fresh beef sample 7 to be inspected is closely attached to the detection probe 3 of the portable near-infrared spectrometer to avoid inaccurate spectral information collected due to light leakage. Among them, 1 is a light source and a grating, 2 is an output fiber, 4 is an input fiber, 5 is a detector, and 6 is a microprocessor.
[0052] During ...
Embodiment 2
[0067] This embodiment 1 is basically the same, the difference is that the beef samples in this embodiment are taken from two different regions.
Embodiment 3
[0074] This embodiment 1 is basically the same, the difference is that this embodiment is a multi-index prediction model for fresh beef, six indicators such as cholesterol, moisture, fat and protein content, shear force, and water holding capacity in beef samples under different feeding methods The application of synchronous fast non-destructive testing.
[0075]The fresh beef multi-index prediction model that has been fitted to the best prediction model of each single index in Example 1 is used to detect the cholesterol content of fresh beef samples collected from the market, and at the same time according to the national and industry standards GB / T9695. 24-2008 "Determination of Cholesterol Content in Meat and Meat Products", GB / T9695.15-2008 "Determination of Moisture Content in Meat and Meat Products", GB / T9695.7-2008 "Determination of Total Fat Content in Meat and Meat Products", GB / T9695. T5009.5-2010 "National Food Safety Standard for Determination of Protein in Food", ...
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