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Method for detection of cauliflower ball-flower tightness

A detection method, broccoli flower technology, is applied in the field of physical property measurement of agricultural products, which can solve the problem that there is no recognized standard for judging the tightness of flower balls, and achieve the effect of objective data support and strong operability

Inactive Publication Date: 2013-08-07
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no quantitative evaluation method for the tightness of the cauliflower curd in the world, and there is no recognized standard for judging the tightness of the curd

Method used

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  • Method for detection of cauliflower ball-flower tightness
  • Method for detection of cauliflower ball-flower tightness
  • Method for detection of cauliflower ball-flower tightness

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: (Using texture analyzer to detect the method of curd tightness of different cauliflower varieties)

[0019] (1) Collection of curd samples: A total of 20 cauliflower hybrid varieties were selected for testing in this example. For each variety, select 12 representative curds without the influence of diseases and insect pests during their respective maturity periods as test samples, and avoid severe physical damage such as cutting, squeezing, and abrasion during the sampling process.

[0020] (2) Preparation of test samples: The outer leaves of the curd were carefully cut off, and each curd sample was equally divided into two halves along the central column.

[0021] (3) Setting of the test parameters of the texture analyzer: use the TA.XT plus texture analyzer produced by Stable Micro Systems in the UK, prepare a 30kg load cell, use a P / 100 disc probe (diameter 100mm), and choose compression measurement In this mode, the pre-test speed is 10 mm / s, the pene...

Embodiment 2

[0027] Embodiment 2: (Using texture analyzer to detect the curd tightness of cauliflower breeding material)

[0028] In this example, the test material used in step (1) is 29 pure-line breeding materials (including 24 DH lines and 5 inbred lines) of loose-flowered spherical cauliflower (referred to as pine cauliflower), and other steps and methods are the same as in Example 1. The measurement results are shown in Table 2.

[0029] Table 2 Evaluation results of curd tightness of pine cauliflower breeding materials (n=12)

[0030]

[0031] The test materials selected in this example are all curds of pine cauliflower, so the obtained GR values ​​are all distributed between 0.3-3.82, which is consistent with the actual situation of sampling. At the same time, according to the standard deviation of GR values, the degree of dispersion within a single material is small. Therefore, the method described above can provide reliable tightness data for material evaluation during cauli...

Embodiment 3

[0032] Embodiment 3: (Using texture analyzer to detect the method of curd tightness of cauliflower commodity)

[0033] In this example, the test material used in step (1) is randomly selected 10 cauliflower bulbs sold in the vegetable market; the average GR value of each two hemispheres in step (5) is the tightness index of the sample. Technology is with embodiment 1. The measurement results are shown in Table 3.

[0034] Table 3 Test results of curd tightness of different cauliflower commodities (n=12)

[0035]

[0036] Note: GR1 and GR2 are the GR values ​​of the two hemispheres of a curd sample respectively.

[0037] It can be seen from Table 3 that the GR value can clearly distinguish the curd tightness of different cauliflower products. Meanwhile, the GR values ​​of the two hemispheres of the same sample are relatively close, indicating the reliability of the method. Therefore, GR value can be used as one of the quality evaluation indicators of cauliflower commodit...

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Abstract

The invention discloses a method for detection of cauliflower ball-flower tightness and belongs to the technical field of determination of physical properties of agricultural products. The method comprises the following steps of 1, ball-flower sample collection, 2, detection sample preparation, 3, texture analyzer detection parameter setting, 4, detection sample fixing, and 5, detection result description. The method enriches a cauliflower ball-flower quality evaluation system and provides theoretical basis and technological means for reasonable guidance of production and consumption and for cauliflower breeding research.

Description

technical field [0001] The invention relates to the technical field of measuring physical properties of agricultural products, in particular to a method for detecting the tightness of cauliflower curds through a compression test of a texture analyzer. technical background [0002] The tightness of the curd is one of the important indicators for evaluating the commerciality of cauliflower. For a long time, it was believed that the firmness of the curd was determined by the time of harvest. However, the tightness of curd tends to be consistent within the same cauliflower variety, but there are obvious differences among different varieties. This indicates that curd tightness is controlled by a series of micro-effect polygenes, and is inherited in a quantitative trait mode, which has also been confirmed by many genetic studies. Therefore, the tightness of the curd is generally concerned by consumers, producers and breeders at the same time. [0003] The curd of cauliflower is...

Claims

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Application Information

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IPC IPC(8): G01N3/08
Inventor 赵振卿顾宏辉王建升盛小光虞慧芳
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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