CN114018749A - Detection method for water retention rate of wiredrawing protein - Google Patents
Detection method for water retention rate of wiredrawing protein Download PDFInfo
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- CN114018749A CN114018749A CN202111407666.5A CN202111407666A CN114018749A CN 114018749 A CN114018749 A CN 114018749A CN 202111407666 A CN202111407666 A CN 202111407666A CN 114018749 A CN114018749 A CN 114018749A
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- wiredrawing protein
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- retention rate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
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Abstract
The invention discloses a detection method of water retention rate of wiredrawing protein, which relates to the field of wiredrawing protein detection methods, and comprises the steps of weighing a certain amount of dry wiredrawing protein, recording the dry wiredrawing protein as G1, then placing the dry wiredrawing protein in normal-temperature water for soaking, checking the soaked wiredrawing protein, after the wiredrawing protein is soaked to be free of hard cores, fishing out the soaked wiredrawing protein for dehydration, weighing the dehydrated wiredrawing protein, recording the weight of the dehydrated wiredrawing protein as G2, and calculating through a water retention rate calculation formula to obtain the water retention rate. The method can accurately and quickly detect the water retention rate of the wiredrawing protein, is simple to operate and easy to implement, and has a guiding effect on the production and application of the wiredrawing protein.
Description
Technical Field
The invention relates to the field of wiredrawing protein water retention detection methods, in particular to a wiredrawing protein water retention detection method.
Background
The wiredrawing protein is a protein product with the texture similar to muscle fiber, which is prepared by taking high-quality vegetable protein as a main raw material through special processing, has uniform tissue and a specific tissue structure through hydration in production, can replace beef and pork by adding 10-20% of the wiredrawing protein into meat products, does not influence the product quality, reduces the raw material cost, can prevent meat from shrinking and has higher nutritional value, can be used as meat related products, sausage related products, minced fillet, dried meat floss, dried vegetarian fish and dried vegetarian shrimp related products in the aspect of vegetarian meat imitation processing, can be used as seasoning bags and the like in the aspect of leisure food, has the characteristics of extremely strong chewing feeling of meat fiber, non-scattering of soaking water and the like, so that the wiredrawing protein is added into food to replace animal meat, can produce vegetarian food and can meet the requirements of people on the meat taste, simultaneously, the nutritional requirements of people on protein are met;
the general state of the wiredrawing protein is dry solid (the moisture content is about 10%), the wiredrawing protein is required to absorb water and soften before use, the wiredrawing protein after sufficient water absorption can be completely softened to show the texture of the meat fiber, then the wiredrawing protein can be used after excessive moisture is removed, the water retention of the wiredrawing protein after dehydration is an important index for judging the functionality of the wiredrawing protein, the water retention is too high and too low to be beneficial to later use, and therefore the water retention detection of the wiredrawing protein product before leaving the factory is required.
Disclosure of Invention
The invention aims to provide a method for detecting the water retention rate of wiredrawing protein.
The invention realizes the purpose through the following technical scheme:
a detection method for the water retention rate of wiredrawing protein comprises the following steps:
step one, a rehydration process, weighing a certain amount of dry wire drawing protein, recording as G1, and then placing the dry wire drawing protein in normal temperature water for soaking;
step two, a dehydration process, namely checking the soaked wiredrawing protein, fishing out the soaked wiredrawing protein and dehydrating after the wiredrawing protein is soaked until no hard core exists, and weighing the dehydrated wiredrawing protein and recording the weight as G2;
step three, calculating the water retention rate as follows:
(G2-G1)/G1 ═ 100% water retention.
Further, in the second step, one of centrifuge dewatering, filtration dewatering and extrusion dewatering is adopted for dewatering.
Further, the dehydration time of the centrifuge is 2-4 minutes, and the rotation speed is 800-.
The method for detecting the water retention rate of the wiredrawing protein has the beneficial effects that: the method can accurately and quickly detect the water retention rate of the wiredrawing protein, is simple to operate and easy to implement, and has a guiding effect on the production and application of the wiredrawing protein.
Detailed Description
The invention is further illustrated by the following examples and comparative examples:
example 1
A detection method for the water retention rate of wiredrawing protein comprises the following steps:
step one, a rehydration process, weighing 500g of dry wiredrawing protein, and then soaking the dry wiredrawing protein in normal temperature water;
step two, a dehydration process, namely checking the soaked wiredrawing protein, fishing out the soaked wiredrawing protein after the wiredrawing protein is soaked until no hard core exists, putting the wiredrawing protein into a centrifugal machine for centrifugal dehydration for 4 minutes, wherein the centrifugal rotation speed is 800 revolutions per minute, weighing the dehydrated wiredrawing protein, and recording the weight as 1900 g;
step three, calculating the water retention rate as follows:
(1900-500)/500*100％＝280％。
example 2
A detection method for the water retention rate of wiredrawing protein comprises the following steps:
step one, a rehydration process, weighing 500g of dry wiredrawing protein, and then soaking the dry wiredrawing protein in normal temperature water;
step two, in the dehydration process, checking the soaked wiredrawing protein, taking out the soaked wiredrawing protein after the wiredrawing protein is soaked until no hard core exists, placing the wiredrawing protein into a centrifugal machine for centrifugal dehydration for 3 minutes, wherein the centrifugal rotation speed is 1300 revolutions per minute, weighing the dehydrated wiredrawing protein, and recording the weighed wiredrawing protein as 1920 g;
step three, calculating the water retention rate as follows:
(1920-500)/500*100％＝284％。
example 3
A detection method for the water retention rate of wiredrawing protein comprises the following steps:
step one, a rehydration process, weighing 500g of dry wiredrawing protein, and then soaking the dry wiredrawing protein in normal temperature water;
step two, in the dehydration process, checking the soaked wiredrawing protein, after the wiredrawing protein is soaked until no hard core exists, taking out the soaked wiredrawing protein, placing the wiredrawing protein into a centrifugal machine for centrifugal dehydration for 2 minutes, wherein the centrifugal rotation speed is 1800 rpm, weighing the dehydrated wiredrawing protein, and recording the weight as 1910 g;
step three, calculating the water retention rate as follows:
(1910-500)/500*100％＝282％。
the centrifugal dehydration links in the three embodiments can also remove redundant water by adopting the modes of filtration, extrusion and the like.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A detection method for the water retention rate of wiredrawing protein is characterized by comprising the following steps:
step one, a rehydration process, weighing a certain amount of dry wire drawing protein, recording as G1, and then placing the dry wire drawing protein in normal temperature water for soaking;
step two, a dehydration process, namely checking the soaked wiredrawing protein, fishing out the soaked wiredrawing protein and dehydrating after the wiredrawing protein is soaked until no hard core exists, and weighing the dehydrated wiredrawing protein and recording the weight as G2;
step three, calculating the water retention rate as follows:
(G2-G1)/G1 ═ 100% water retention.
2. The method for detecting the water retention rate of the spun protein according to claim 1, wherein the method comprises the following steps: and in the second step, the dehydration adopts one of centrifuge dehydration, filtration dehydration and extrusion dehydration.
3. The method for detecting the water retention rate of the spun protein according to claim 2, wherein the method comprises the following steps: the dehydration time of the centrifuge is 2-4 minutes, and the rotation speed is 800-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111407666.5A CN114018749A (en) | 2021-11-24 | 2021-11-24 | Detection method for water retention rate of wiredrawing protein |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111407666.5A CN114018749A (en) | 2021-11-24 | 2021-11-24 | Detection method for water retention rate of wiredrawing protein |
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| CN114018749A true CN114018749A (en) | 2022-02-08 |
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| CN202111407666.5A Pending CN114018749A (en) | 2021-11-24 | 2021-11-24 | Detection method for water retention rate of wiredrawing protein |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655782A (en) * | 2017-10-23 | 2018-02-02 | 河源市东源鹰牌陶瓷有限公司 | A kind of water absorption rate detection method of architectural pottery |
| CN108132201A (en) * | 2017-10-30 | 2018-06-08 | 甘肃达利食品有限公司 | A kind of detection method of potato full-powder water imbibition |
| CN111855475A (en) * | 2020-08-19 | 2020-10-30 | 攀钢集团重庆钛业有限公司 | Method for detecting water absorption capacity of titanium dioxide |
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2021
- 2021-11-24 CN CN202111407666.5A patent/CN114018749A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655782A (en) * | 2017-10-23 | 2018-02-02 | 河源市东源鹰牌陶瓷有限公司 | A kind of water absorption rate detection method of architectural pottery |
| CN108132201A (en) * | 2017-10-30 | 2018-06-08 | 甘肃达利食品有限公司 | A kind of detection method of potato full-powder water imbibition |
| CN111855475A (en) * | 2020-08-19 | 2020-10-30 | 攀钢集团重庆钛业有限公司 | Method for detecting water absorption capacity of titanium dioxide |
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