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Detection method for walnut eating safety

A safety detection, walnut technology, applied in the field of food safety detection, can solve problems such as different safety, insufficient number of detection samples, and unrepresentative detection results, etc., to achieve accurate detection results, strong detection system, simple and reliable detection method Effect

Inactive Publication Date: 2018-12-14
彭春剑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current detection is not systematic, and most of the detection methods are cumbersome and complicated, and do not take into account the different ways of using walnuts, resulting in different safety, and the number of detection samples is not enough, resulting in non-representative and inaccurate detection results

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for detecting walnut edible safety, comprising the steps of:

[0021] S1. Determine the content to be detected according to the actual situation;

[0022] S2. Select fresh and plump walnuts, remove broken or moldy walnuts, shell the walnuts to obtain plump walnut kernels, and weigh 500 grams of walnut kernels;

[0023] S3. After drying the walnut kernels obtained in S2 in an oven, put them into a pulverizer for crushing. The crushing time is 3-5 minutes. Then, sieve the pulverized walnut kernel powder with a mesh number of 150, and the prepared dry powder Store in jars, place at room temperature, avoid sunlight exposure, and reserve;

[0024] S4. Weigh 20 grams of dry walnut kernel powder obtained in S3 and place it in a test tube, add 20% hydrochloric acid to the test tube, the amount of hydrochloric acid is two-thirds of the capacity of the test tube, shake the test tube for 2 minutes, and then place the test tube in an oven , making it hydrolyzed at a temp...

Embodiment 2

[0032] A method for detecting walnut edible safety, comprising the steps of:

[0033] S1. Determine the content to be detected according to the actual situation;

[0034] S2. Select fresh and plump walnuts, remove broken or moldy walnuts, shell the walnuts to obtain plump walnut kernels, weigh 500 grams of walnut kernels, put the walnut kernels into a frying pan and fry until cooked;

[0035] S3. After drying the cooked walnut kernels obtained in S2 in an oven, put them into a grinder for crushing. The crushing time is 5 minutes. Then, sieve the crushed walnut kernel powder with a mesh number of 100, and store the prepared dry powder. Store in a jar at room temperature, away from direct sunlight, for later use;

[0036] S4. Weigh 20 grams of walnut kernel dry powder obtained in S3 and place it in a test tube, add 25% hydrochloric acid to the test tube, the amount of hydrochloric acid is two-thirds of the capacity of the test tube, shake the test tube for 3 minutes, and then p...

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PUM

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Abstract

The invention discloses a detection method for walnut eating safety. The method comprises the following steps: determining detection content; selecting samples; crushing the samples; extracting components; performing hydrolysis; making detection control groups; performing detection; recording a result; comparing the detection result with the safety standard. The detection systematicness is higher,the detection method is simple and reliable, in consideration that different safety requirements are proposed due to different walnut eating ways, the quantity of detection samples is large, and accordingly, the detection result is representative and accurate.

Description

technical field [0001] The invention belongs to the technical field of food safety detection, and more specifically relates to a method for detecting walnut edible safety. Background technique [0002] Walnut, also known as walnut, Qiang peach, is a Juglandaceae plant. Together with almonds, cashew nuts and hazelnuts, it is also known as the world-renowned "four major dried fruits". Walnuts are rich in nutrients, containing 15 to 20 grams of protein per hectogram, more fat, 10 grams of carbohydrates, and contain calcium, phosphorus, iron and other trace elements and minerals necessary for human body, as well as carotene, nuclear Flavin and other multivitamins. Beneficial to the human body. It is one of the nut foods loved by the common people. Known as "Longevity Son" and "Longevity Fruit". In addition to eating walnuts raw, they can be cooked, fried, roasted with honey, fried, etc. The current testing is not systematic, and most of the testing methods are cumbersome a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/02G01N1/28
CPCG01N1/286G01N33/02
Inventor 彭春剑
Owner 彭春剑