Method for identifying muscat production place based on mineral element fingerprint technology

A technology of Muscat grapes and production areas, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problem of few production areas of Muscat grapes, and achieve the effect of simple methods

Inactive Publication Date: 2015-09-16
TIANJIN INSTITUE OF QUALITY STANDARD & TESTING OF AGRICULTUAL PRODS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are no relevant patents on the identification of the origin of Muscat grapes in China, and there are few related studies on the identification of the origin of Muscat grapes using mineral element fingerprint analysis technology

Method used

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  • Method for identifying muscat production place based on mineral element fingerprint technology
  • Method for identifying muscat production place based on mineral element fingerprint technology
  • Method for identifying muscat production place based on mineral element fingerprint technology

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Sample collection

[0027] In September 2013, farmers were randomly selected in the Chadian production area, and 2kg of grape samples were collected from their fields, numbered, as a sample; a total of 15 samples were collected, and 500g of each sample was taken as an analysis sample.

[0028] (2) Sample cleaning, drying and homogenization

[0029] The samples were washed with tap water and ultrapure water successively, and put into air-permeable plastic baskets to dry. After drying, take out the grape seeds and beat them into a homogenous slurry with a blender.

[0030] (3) Sample digestion

[0031] Accurately weigh 10.00g of the homogenate sample, put it into a 50mL glass digestion tube, add 10mL of concentrated nitric acid, cover it, let it stand for 4 hours, and then put it on a porous digestion furnace (ED36, Beijing Labtech Co., Ltd.) Heat and digest at 150°C. After the sample is digested and clear, open the glass cover, heat and steam at 120°C until nearl...

Embodiment 2

[0047] (1) Sample collection

[0048] In September 2013, farmers were randomly selected in the Muscat grape producing area in Changli, and 2kg of grape samples were collected from their fields, numbered, as a sample; a total of 15 samples were collected, and 500g of each sample was taken as an analysis sample.

[0049] (2) Sample cleaning, drying and homogenization

[0050] The samples were washed with tap water and ultrapure water successively, and put into air-permeable plastic baskets to dry. After drying, take out the grape seeds and beat them into a homogenous slurry with a blender.

[0051] (3) Sample digestion

[0052] Accurately weigh 10.00g of the homogenate sample, put it into a 50mL glass digestion tube, add 10mL of concentrated nitric acid, cover it, let it stand for 4 hours, and then put it on a porous digestion furnace (ED36, Beijing Labtech Co., Ltd.) Heat and digest at 150°C. After the sample is digested and clear, open the glass cover, heat and steam at 12...

Embodiment 3

[0068] (1) Sample collection

[0069] In September 2013, farmers were randomly selected in the Muscat grape producing area of ​​Daze Mountain, and 2kg of grape samples were collected from their fields, numbered, as a sample; a total of 15 samples were collected, and 500g of each sample was taken as an analysis sample.

[0070] (2) Sample cleaning, drying and homogenization

[0071] The samples were washed with tap water and ultrapure water successively, and put into air-permeable plastic baskets to dry. After drying, take out the grape seeds and beat them into a homogenous slurry with a blender.

[0072] (3) Sample digestion

[0073] Accurately weigh 10.00g of the homogenate sample, put it into a 50mL glass digestion tube, add 10mL of concentrated nitric acid, cover it, let it stand for 4 hours, and then put it on a porous digestion furnace (ED36, Beijing Labtech Co., Ltd.) Heat and digest at 150°C. After the sample is digested and clear, open the glass cover, heat and ste...

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Abstract

The present invention discloses a muscat production place identifying method, which comprises: (1) collecting grape samples from muscat main production area production places such as Tianjin Chadian, Hebei Changli and Shandong Dazeshan; (2) homogenizing the grape sample, and carrying out digestion to achieve a clear state; (3) detecting the concentrations of K, Na, Ca Fe, Mn and Cu in the digestion solution, wherein the concentrations are sequentially marked as XK, XNa, XCa, XFe, XMn and XCu, and the unit is mg/kg; (4) carrying out statistical analysis on the detected data by using a SPSS statistical software, and establishing discriminant models (1)-(3); and (5) substituting the detected data of the six grape sample elements into the discriminant models (1)-(3) so as to obtain the YChadian, the YChangli and the YDazeshan, wherein the muscat production place is the production area having the maximum value in the YChadian, the YChangli and the YDazeshan. According to the present invention, the discriminant models are established through the six elements, the types of the elements are less, the elements are the conventional elements, the method is simple, the detection cost is reduced, and the determining correct rate is more than or equal to 90%.

Description

technical field [0001] The invention relates to a method for identifying the origin of Muscat grapes, in particular to a method for identifying the origin of Muscat grapes based on a mineral element analysis method. Background technique [0002] Grape is widely cultivated in our country and is an important fruit tree economic crop, occupying an important position in the agricultural economy. my country's viticulture area and output account for 6.2% and 8.6% of the world's total respectively, ranking fifth in the world after Spain, France, Italy and Turkey. Among them, muscat grape, also known as Muscat grape (Muscat), is an ancient variety and is a famous variety in the world for fresh food, wine making and juice making. The planting area is widely distributed in the world. Introduced by American missionaries in my country in 1871, it is one of the most widely distributed varieties in my country, and is cultivated in all major grape producing areas. The main production are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/88
Inventor 陈秋生张强刘烨燑殷萍孟兆芳张玺
Owner TIANJIN INSTITUE OF QUALITY STANDARD & TESTING OF AGRICULTUAL PRODS
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