CN112229763B - Method for detecting water absorption and water retention capacity of soybean dietary fiber - Google Patents

Method for detecting water absorption and water retention capacity of soybean dietary fiber Download PDF

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CN112229763B
CN112229763B CN202010853496.2A CN202010853496A CN112229763B CN 112229763 B CN112229763 B CN 112229763B CN 202010853496 A CN202010853496 A CN 202010853496A CN 112229763 B CN112229763 B CN 112229763B
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dietary fiber
soybean dietary
water absorption
water
soybean
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CN112229763A (en
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张钊
李广庆
王才立
刘忠平
李翠芳
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Shandong Jiahua Biotechnology Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties

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Abstract

The invention discloses a method for detecting water absorption and retention capacity of soybean dietary fiber, which relates to the field of soybean dietary fiber detection methods, and comprises the steps of selecting uniformly-powdered soybean dietary fiber powder, accurately weighing the selected soybean dietary fiber powder, mixing the weighed soybean dietary fiber powder with water, adding the mixture into a stirring container, uniformly stirring the mixture in the stirring container to form slurry, correcting levelness of a Bostwick consistometer by using a leveling level screw and a level meter, pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer, measuring the flow rate of fluid in the instrument through precision scales on a bottom plate of the Bostwick consistometer, and calculating the water absorption and retention rate of the soybean dietary fiber according to a calculation formula V = 30/L. The method has the advantages of extremely simple process steps, easy operation, convenient implementation and strong practicability, can quickly, conveniently and accurately measure the water absorption and retention capacity of the soybean dietary fiber, and solves the problem of detecting the water absorption and retention capacity of the soybean dietary fiber in the current industry.

Description

Method for detecting water absorption and water retention capacity of soybean dietary fiber
Technical Field
The invention relates to the field of soybean dietary fiber detection methods, in particular to a method for detecting water absorption and water retention capacity of soybean dietary fiber.
Background
The soybean dietary fiber is a general term for macromolecular saccharides which cannot be digested by human digestive enzymes, and mainly comprises cellulose, pectin, xylan, mannose and the like. Dietary fiber, although not providing any nutrients to the human body, has important physiological functions to the human body. The dietary fiber has the functions of obviously reducing plasma cholesterol, regulating gastrointestinal function, regulating insulin level and the like. Dietary fiber is recognized as the seventh major nutrient in the medical and nutritional communities. The soybean dietary fiber has the characteristics of rich nutrition, unique flavor, safety and convenience in eating and the like, and is superior in the dietary fiber;
soybean dregs generated by processing soybeans contain abundant dietary fibers, the structure of the soybean fibers can be changed by alkaline hydrogen peroxide treatment, hydrophilic groups in the soybean fibers are exposed, so that the water absorption and swelling property of the soybean fibers are increased, and when the addition amount is low, the soybean fibers show good water retention when applied to emulsified minced meat products. When added to flour, can improve some of the rheological properties of the dough. The soybean dietary fiber absorbs water and expands in intestines and stomach to form high-viscosity gel or sol, so that people can feel full and can inhibit eating, the soybean dietary fiber has a good diet and weight-losing effect on obese people, and also has good water retention and expansibility, and when the soybean dietary fiber is added into food, the water content of the product can be increased, and the aging of the product can be delayed; the product has good emulsifying property, suspension property and thickening property, and can improve water retention and shape retention of food and improve freezing and thawing stability when added into food and beverage. The product can be widely applied to the fields of meat products, quick-frozen foods, seasoning foods, baked foods and the like and health-care products, and can also be used for preparing weight-losing foods, low-fat and low-sugar foods, high-fiber foods and the like;
in the processing application of meat products, jam and tomato sauce, the water absorption and retention capacity of the soybean dietary fiber plays a very key role in the final quality of the products, and the soybean dietary fiber product has good water absorption and retention capacity, so that the soybean dietary fiber product is suitable for being matched with protein isolate to process meat products, tomato sauce, canned foods and baked products;
at present, the method for judging the water absorption and water retention capacity of the soybean dietary fiber is mostly based on the practical application effect, and if the water absorption and water retention capacity of the soybean dietary fiber can be digitalized, the soybean dietary fiber can be better served for production enterprises. For the product control work of production enterprises and the production of application type terminal enterprises, the detection of the water absorption and retention capacity of the soybean dietary fiber needs to shorten the detection time and simplify the detection program, and methods with too long analysis time, complicated programs or inaccurate judgment results generally cause great troubles to the enterprises in practical application. Therefore, a detection method is needed, which can rapidly, conveniently and accurately determine the water absorption performance of the soybean dietary fiber, so as to judge whether the water absorption and retention capacity of the soybean dietary fiber meets the processing application of terminal products, and better serve enterprise production.
Disclosure of Invention
The invention aims to provide a detection method for the water absorption and retention capacity of soybean dietary fibers, which is used for quickly and accurately judging the water absorption and retention capacity of the soybean dietary fibers so as to judge whether the soybean dietary fibers can meet the application and processing requirements of terminal enterprises.
The invention achieves the above purpose through the following technical scheme:
a method for detecting water absorption and water retention capacity of soybean dietary fiber comprises the following steps:
firstly, selecting soybean dietary fiber powder, accurately weighing 5g +/-0.1 g of the selected soybean dietary fiber powder and 75g +/-0.1 g of water, mixing and adding into a stirring container;
step two, uniformly stirring the mixture in the stirring container to form slurry, wherein the stirring time is 60-80 seconds;
correcting levelness of the Bostwick consistometer by using a leveling level screw and a level meter, and then pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer;
step four, preparing an electronic stopwatch, pressing a lock catch on a spring door of the Bostwick consistency meter to enable the spring door to bounce instantly and start timing at the same time;
measuring the flow progress of the fluid in the instrument through a precision scale on a bottom plate of the Bostwick consistency meter, and recording and measuring the flow distance L (cm) in a specific time period (30 seconds);
and step six, calculating the water absorption and retention rate of the soybean dietary fiber according to a calculation formula V =30/L, comparing the water absorption and retention rate with qualified water absorption rate corresponding to the mesh number of the selected soybean dietary fiber powder, and judging whether the soybean dietary fiber is qualified or not, wherein V represents the water absorption and retention rate of the soybean dietary fiber.
Further, the soybean dietary fiber powder in the step one is screened by a sieve to realize uniform powder screening, and the water and the soybean dietary fiber powder are subjected to bearing by an electronic balance.
Further, in the second step, the stirring container is a 200ml plastic beaker, and the mixture is stirred by a handheld rapid stirrer.
Furthermore, in the sixth step, the qualification standard of the water absorption and retention rate of 80-mesh soybean dietary fiber powder is more than 3.60, the qualification standard of the water absorption and retention rate of 100-mesh soybean dietary fiber powder is more than 2.70, and the qualification standard of the water absorption and retention rate of 120-mesh soybean dietary fiber particles is more than 1.90.
In the invention, the lock catch on the spring door can make the spring door bounce instantly, and the instant opening door can prevent the sample from flowing too early.
The method for detecting the water absorption and retention capacity of the soybean dietary fiber provided by the invention has the beneficial effects that: the method has the advantages of extremely simple steps, easy operation, convenient implementation and strong practicability, can quickly, conveniently and accurately determine the water absorption and retention capacity of the soybean dietary fiber, and solves the problem of detecting the water absorption and retention capacity of the soybean dietary fiber in the current industry.
Detailed Description
The invention is further illustrated by the following examples and comparative examples:
example 1
A method for detecting water absorption and water retention capacity of soybean dietary fiber mainly aims at 80-mesh soybean dietary fiber powder, and comprises the following steps:
step one, weighing 5g of 80-mesh soybean dietary fiber powder and 75g of water, mixing and adding the mixture into a 200mL plastic beaker;
step two, uniformly stirring the mixture in a 200mL plastic beaker by using a handheld rapid stirrer to form slurry, wherein the stirring time is 75 seconds;
thirdly, correcting the levelness of the Bostwick consistometer by using a leveling level screw and a level meter, and then pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer;
step four, preparing an electronic stopwatch, pressing a lock catch on a spring door of the Bostwick consistency meter to enable the spring door to bounce instantly and start timing at the same time;
measuring the flow progress of the fluid in the instrument through a precision scale on a bottom plate of the Bostwick consistency meter, and recording and measuring the flow distance L (cm) within a specific time period (30 seconds) to be 7.8cm;
and step six, calculating the water absorption and retention rate of the soybean dietary fibers according to the calculation formula V =30/L to obtain 30/7.8=3.85.
In this example, the water absorption and retention rate of the 80 mesh fiber reached 3.60 or more, and the water absorption and retention rate of the target product was 3.85 at this time, and it was judged as being acceptable.
Example 2
A method for detecting water absorption and water retention capacity of soybean dietary fiber mainly aims at 100-mesh soybean dietary fiber powder, and comprises the following steps:
step one, weighing 5g of 100-mesh soybean dietary fiber powder and 75g of water, mixing and adding the mixture into a 200mL plastic beaker;
step two, uniformly stirring the mixture in a 200mL plastic beaker by using a handheld rapid stirrer to form slurry, wherein the stirring time is 75 seconds;
thirdly, correcting the levelness of the Bostwick consistometer by using a leveling level screw and a level meter, and then pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer;
step four, preparing an electronic stopwatch, pressing a lock catch on a spring door of the Bostwick consistency meter to enable the spring door to bounce instantly and start timing at the same time;
measuring the flow progress of the fluid in the instrument through the precision scales on the bottom plate of the Bostwick consistency meter, and recording and measuring the flow distance L (cm) within a specific time period (30 seconds) to be 10.6cm;
and step six, calculating the water absorption water holding rate of the soybean dietary fiber according to the calculation formula V =30/L to obtain 30/10.6=2.83.
In this example, the water absorption and retention rate of the 100 mesh fiber was 2.70 or more, and the water absorption and retention rate of the target product was 2.83 at this time, and it was judged as being acceptable.
Example 3
A method for detecting water absorption and water retention capacity of soybean dietary fiber mainly aims at 120-mesh soybean dietary fiber powder, and comprises the following steps:
step one, weighing 5g of 120-mesh soybean dietary fiber powder and 75g of water, mixing and adding the mixture into a 200mL plastic beaker;
step two, uniformly stirring the mixture in a 200mL plastic beaker by using a handheld rapid stirrer to form slurry, wherein the stirring time is 75 seconds;
correcting levelness of the Bostwick consistometer by using a leveling level screw and a level meter, and then pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer;
step four, preparing an electronic stopwatch, pressing a lock catch on a spring door of the Bostwick consistency meter to enable the spring door to bounce instantly and start timing at the same time;
measuring the flow progress of the fluid in the instrument through the precision scales on the bottom plate of the Bostwick consistency meter, and recording and measuring the flow distance L (cm) within a specific time period (30 seconds) to be 14.5cm;
and step six, calculating the water absorption water holding rate of the soybean dietary fiber according to the calculation formula V =30/L to obtain 30/14.5=2.10.
In this example, the water absorption capacity of the 100 mesh fiber reached 1.90 or more, and the water absorption capacity of the target product at this time was 2.10, which was judged to be acceptable.
In the three embodiments, the Bostwick consistometer is used for measuring the water absorbing and holding capacity of the soybean dietary fiber, the strength of the water absorbing and holding capacity of the soybean dietary fiber is reflected from the side according to the flow progress of the fluid in the instrument, and the shorter the flow progress of the fluid in the instrument is, the better the water absorbing and holding effect of the soybean dietary fiber is, and of course, the soybean dietary fiber can also be visually expressed in numerical value.
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 (4)

1. A method for detecting the water absorption and water retention capacity of soybean dietary fiber is characterized by comprising the following steps:
firstly, selecting soybean dietary fiber powder, accurately weighing 5g +/-0.1 g of the selected soybean dietary fiber powder and 75g +/-0.1 g of water, mixing and adding into a stirring container;
step two, uniformly stirring the mixture in the stirring container to form slurry, wherein the stirring time is 60-80 seconds;
correcting levelness of the Bostwick consistometer by using a leveling level screw and a level meter, and then pouring all the stirred slurry into a sample tank behind a spring door of the Bostwick consistometer;
step four, preparing an electronic stopwatch, pressing a lock catch on a spring door of the Bostwick consistency meter to enable the spring door to bounce instantly and start timing at the same time;
measuring the flow progress of the fluid in the instrument through the precision scales on the bottom plate of the Bostwick consistency meter, and recording and measuring the flow distance L (cm) in a specific time period (30 seconds);
and step six, calculating the water absorption and retention rate of the soybean dietary fiber according to a calculation formula V =30/L, comparing the water absorption and retention rate with qualified water absorption rate corresponding to the mesh number of the selected soybean dietary fiber powder, and judging whether the soybean dietary fiber is qualified or not, wherein V represents the water absorption and retention rate of the soybean dietary fiber.
2. The method for detecting the water absorbing and holding capacity of the soybean dietary fiber according to claim 1, wherein the method comprises the following steps: and (3) screening the uniform powder from the soybean dietary fiber powder in the step one through a sieve, and carrying out bearing on the water and the soybean dietary fiber powder through an electronic balance.
3. The method for detecting the water absorbing and holding capacity of the soybean dietary fiber according to claim 1, wherein the method comprises the following steps: in the second step, the stirring container is a 200ml plastic beaker, and the mixture is stirred by a handheld rapid stirrer.
4. The method for detecting the water absorbing and holding capacity of the soybean dietary fiber according to claim 1, wherein the method comprises the following steps: in the sixth step, the qualification standard of the water absorption and retention rate of 80-mesh soybean dietary fiber powder is more than 3.60, the qualification standard of the water absorption and retention rate of 100-mesh soybean dietary fiber powder is more than 2.70, and the qualification standard of the water absorption and retention rate of 120-mesh soybean dietary fiber particles is more than 1.90.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495798A (en) * 1982-12-12 1985-01-29 Chesebrough-Pond's Inc. Method and apparatus for measuring consistency of non-Newtonian fluids
CN104602537A (en) * 2012-08-31 2015-05-06 尤妮佳股份有限公司 Pet food
CN107543905A (en) * 2017-10-23 2018-01-05 临邑禹王植物蛋白有限公司 A kind of soy protein gel sexuality official's decision method
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
CN108871998A (en) * 2018-03-28 2018-11-23 湖北葛店人福药用辅料有限责任公司 Powder water absorbing properties detection method and device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495798A (en) * 1982-12-12 1985-01-29 Chesebrough-Pond's Inc. Method and apparatus for measuring consistency of non-Newtonian fluids
CN104602537A (en) * 2012-08-31 2015-05-06 尤妮佳股份有限公司 Pet food
CN107543905A (en) * 2017-10-23 2018-01-05 临邑禹王植物蛋白有限公司 A kind of soy protein gel sexuality official's decision method
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
CN108871998A (en) * 2018-03-28 2018-11-23 湖北葛店人福药用辅料有限责任公司 Powder water absorbing properties detection method and device

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Address after: No. 19, Hongtu Street, Xin County, Liaocheng City, Shandong Province, 252499

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Denomination of invention: A test method for water absorption and holding capacity of soybean dietary fiber

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