CN110089616A - A kind of processing method of selenium-rich hydrolysis rice protein cream and powder - Google Patents

A kind of processing method of selenium-rich hydrolysis rice protein cream and powder Download PDF

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CN110089616A
CN110089616A CN201910397558.0A CN201910397558A CN110089616A CN 110089616 A CN110089616 A CN 110089616A CN 201910397558 A CN201910397558 A CN 201910397558A CN 110089616 A CN110089616 A CN 110089616A
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selenium
rich
rice
protein
powder
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曾华林
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Jiangxi Qian Agricultural Ltd By Share Ltd
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Jiangxi Qian Agricultural Ltd By Share Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J1/00Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
    • A23J1/12Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses
    • A23J1/125Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses by treatment involving enzymes or microorganisms

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Peptides Or Proteins (AREA)

Abstract

The invention discloses a kind of processing methods of selenium-rich hydrolysis rice protein cream and powder, the selenium-rich rice selenium-rich content of selection be not less than 600UG/ kilograms, preparation process be respectively selenium-rich rice is cleaned, is dried, is milled, infusion, enzymatic hydrolysis, separation, concentration, freezing solidification etc. processing.The invention has the following advantages: being intended to extract the selenium-rich protein hydrolysate of high yield for selenium-rich rice.

Description

A kind of processing method of selenium-rich hydrolysis rice protein cream and powder
Technical field
The present invention relates to rice processing technique field, in particular to a kind of processing side of selenium-rich hydrolysis rice protein cream and powder Method.
Background technique
Rice protein is a kind of good natural plant protein, and nutritive value can compare favourably with egg, cow's milk, beef. In addition, rice protein is low antigen shape albumen, allergic reaction will not be generated, it is highly beneficial to production infant food.And selenium-rich Rice protein compares for traditional rice albumen, increases the component of selenium element.Pass through the selenium-rich water extracted in selenium-rich rice Solution albumen can be used in infant food, senior health and fitness's food and cosmetics, increase the intake of human body protein and selenium element.
For example immediate prior art of existing patent discloses one for the Chinese patent of Publication No. CN108244328A The processing method of kind method of rice protein hydrolysate powder.Used immersion rice is clear water in the processing method, and institute in processing method The liquid used mostly uses clear water to cleaning, impregnates.Then the rice after immersion is heated together with soak.Although clear water It is from a wealth of sources and be easy to get, but the yield of rice protein can not be improved.
It should be noted that rice protein is mainly by four kinds of albumen such as albumin, globulin, protein,alcohol-soluble and glutelin Composition, and the most importantly glutelin of alkali solubility containing 75%-90%, these glutelin pass through disulfide bond shape by many macromolecular segments At, it is cross-linked to each other and agglomerates, and the albumin for being dissolved in water only accounts for rice protein 2%-5%.And dissolubility is the importance of protein Matter and its basis for showing physico-chemical property.Above-mentioned immediate comparison patent, by the way of clear water to rice at Reason, can not improve the extract yield of rice protein.Meanwhile selenium is not soluble in water, the comparison patent and not applicable selenium-rich water solution The processing and processing of rice protein.Therefore, have much room for improvement.
Summary of the invention
The object of the present invention is to provide a kind of processing methods of selenium-rich hydrolysis rice protein cream and powder, it is intended to big for selenium-rich Rice extracts the selenium-rich protein hydrolysate of high yield.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of selenium-rich hydrolysis rice protein (HRP) processing method of powder, comprising the following steps:
1) selenium-rich rice of the Se content not less than 600UG/ kilograms is chosen as raw material, and selenium-rich rice is first used to ion cleaning agent It impregnates 60 minutes, then is cleaned with clear water, and it is spare to be dried to moisture content 5%-10%;
2) that the Rice enriched-Se of drying is worn into 200 targeted fine powders with flour mill is stand-by;
3) will through treated in step 2, selenium-rich rice flour is put into freezing chamber is freeze-dried, first freezer temperature is cooled down It to -15 DEG C~-20 DEG C, freezes 3 hours, then be warming up to 5 DEG C~10 DEG C, is kept for 60 minutes;
4) after the alkali ion water that PH8~PH10 is added in the selenium-rich rice flour after freezing being impregnated and being impregnated to alkali ion water Selenium-rich rice flour is heated, and rice water ratio is 1:2, continues to boil 30 minutes after boiling, to the time after close fire stewing 50-60 minutes, it is cold Stand-by;
5) 1% protease will be added in step 4 treated Rice enriched-Se powder liquid, and is packed into the heating for having agitating function In device, 30 DEG C at a temperature of keep the temperature and stir 50-70 minutes and digested, it is cooling stand-by;
6) liquid after step 5 enzymatic hydrolysis is centrifuged 15-20 minutes under the revolving speed of 3000-5000 rev/min, takes upper layer enzyme Solve albumen clear liquid;
7) enzymolysis protein clear liquid is subjected to nanofiltration desalination using the nanofiltration membrane of retention relative molecular mass 200-300Da;
8) the enzymolysis protein clear liquid obtained after nanofiltration desalination is concentrated in vacuo, is obtained respectively by the concentration ratio of 20%-30% Selenium-rich hydrolyzes protein concentrated solution;
9) selenium-rich hydrolysis protein concentrated solution is sent into freeze-dryer, obtained solid is ground into through subtle powder smash after drying Powder is selenium-rich protein hydrolysate powder.
The processing method of selenium-rich hydrolysis rice protein cream prepared by processing method based on selenium-rich hydrolysis rice protein powder, The following steps are included:
10) polyphenol compound will be added in enzymolysis protein clear liquid obtained in step 7, is mixed;
11) the resulting mixed liquor of step 10 is subjected to high-pressure homogeneous processing and obtains selenium-rich hydrolysis protein emulsion.
Further, the protease in step 5) is combined for alkali protease and compound protease, and compositely proportional For 2:1.
Further, compound protease is made of the protease, amylase and cellulase of mass ratio 2:1:1.
Further, the polyphenol compound in step 10 can be chlorogenic acid, nutgall catechin gallic acid ester or not have Infanticide catechin.
Further, the additive amount of polyphenol compound is the 5%~10% of rice protein hydrolysate quality in step 10.
Further, high-pressure homogeneous in step 11 is 50~80MPa, and the time is 90~120S.
Further, alkali ion water is to be obtained by the way that tap water device for producing electrolytic water is electrolysed addition calcium.It needs to illustrate : device for producing electrolytic water is the prior art, is not added is described in detail herein.It can refer to the China that notification number is CN1097560C specially It is aquatic that the Chinese patent that benefit discloses a kind of device for producing electrolytic water and Publication No. CN104512977A discloses a kind of electrolysis It grows up to be a useful person.
In conclusion the invention has the following advantages:
For step 1): the present invention first cleans rice before rice protein powder or cream extract, and the mode of the cleaning uses Ion cleaning agent is impregnated, then is cleaned with clear water, to remove rice surface impurity, remove pesticide residue, and can play softening rice Effect, and retain the nutriment of rice, be conducive to following process extraction;
For step 2: the Rice enriched-Se of drying is first worn into 200 targeted fine powders, be conducive to fine powder in step 3 rapid draing, Quick-thawing in step 4, and be easier to come into full contact with alkali ion water in step 4, expand its contact area, be quickly dissolved in In alkali ion water;
For step 4): by being added the selenium-rich rice flour after freezing to alkali ion water immersion treatment, since rice protein exists Very greatly, dissolubility is minimum when PH4-6 for the dissolubility variation of rice protein when different pH value, and solubility increase is very when increasing pH value Fastly, and in PH10 reach high dissolved state, so that alkali ion water can promote selenium-rich rice flour and be dissolved.Specifically Be: alkali ion water not only can promote selenium-rich rice flour and be dissolved, and advantage is as follows:
1. the charging property of protein can be changed in pH value since every kind of protein has certain molecular composition and particular space structure Matter and distribution of charges, change molecule space conception, thus alkali ion water have while improving rice protein solubility can Improve the effect of protein emulsification, foaming.Once glutelin is dissolved by alkali ion water, then its emulsifying capacity can be with soybean protein It matches in excellence or beauty, thus the hydrolysis protein emulsion of selenium-rich prepared by the present invention is emulsified without adding soybean oil, so that finished product obtained It is high that its selenium-rich of lotion hydrolyzes protein content.(Chinese patent compared with Publication No. CN109122906A discloses a kind of rice egg For the preparation method of Virgin's milk liquid, lotion finished product can be prepared by without adding soybean oil).
2. contain calcium ion in alkali ion water, and calcium ion can be activated for the protease in step 5, and step 5 In 30 DEG C of temperature provide temperature environment for protease activity method.There are theoretical basis for this effect, are " calcium ion and basic protein The interaction of enzyme and mechanism study " Li Jing etc. writes.
3. the selenium in selenium-rich rice is not soluble in water, but is dissolved in alkali, therefore dissolves in alkali ion water, and with rice egg Selenium-rich hydrolysis rice protein powder is made in Bai Yitong and selenium-rich hydrolyzes albumin milk.
4. alkali ion water is in ionic state, and is easily absorbed by rice protein.Meanwhile the oxidation-reduction potential of alkali ion water For -250~-350mV, electronics can be provided, can remove free radical superfluous on rice protein with reproducibility, and can make made Standby finished product selenium-rich hydrolysis rice protein powder and selenium-rich hydrolysis rice protein cream has inoxidizability.At the same time it can also neutralize Rice protein acidic metabolite, to inhibit lotion fat or powder metabolism.
For step 5): method of rice protein hydrolysate is extracted using conbined enzymolysis, dramatically speeds up the leaching velocity of protein, And extraction conditions are mild.
For step 10): polyphenol compound aoxidizes the effect that long-term nutrition preservation is played in storing process in lotion.
Specific embodiment
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.
Embodiment one:
A kind of processing method of selenium-rich hydrolysis rice protein (HRP) powder, comprising the following steps:
1) selenium-rich rice of the Se content not less than 600UG/ kilograms is chosen as raw material, and selenium-rich rice is first used to ion cleaning agent It impregnates 60 minutes, then is cleaned with clear water, and it is spare to be dried to moisture content 5%;
2) that the Rice enriched-Se of drying is worn into 200 targeted fine powders with flour mill is stand-by;
3) will through treated in step 2, selenium-rich rice flour is put into freezing chamber is freeze-dried, first freezer temperature is cooled down It to -15 DEG C, freezes 3 hours, then be warming up to 5 DEG C, is kept for 60 minutes;
4) Rice enriched-Se after impregnating the alkali ion water that PH8 is added in the selenium-rich rice flour after freezing and being impregnated to alkali ion water Powder is heated, and rice water ratio is 1:2, continues to boil 30 minutes after boiling, to the time after close fire stewing 50 minutes, it is cooling stand-by;
5) by the protease for being added 1% in step 4 treated Rice enriched-Se powder liquid, (alkali protease and compound protease are multiple Close, and compositely proportional is 2:1), and is fitted into the heater for having agitating function, 30 DEG C at a temperature of keep the temperature and stir It is digested within 50 minutes, it is cooling stand-by;
6) liquid after step 5 enzymatic hydrolysis is centrifuged 15 minutes under the revolving speed of 3000 rev/min, takes upper layer enzymolysis protein clear Liquid;
7) enzymolysis protein clear liquid is subjected to nanofiltration desalination using the nanofiltration membrane of retention relative molecular mass 200Da;
8) the enzymolysis protein clear liquid obtained after nanofiltration desalination is concentrated in vacuo, obtains selenium-rich by 10% concentration ratio respectively Protein hydrolysate concentrate;
9) selenium-rich hydrolysis protein concentrated solution is sent into freeze-dryer, obtained solid is ground into through subtle powder smash after drying Powder is selenium-rich protein hydrolysate powder.
The processing method of selenium-rich hydrolysis rice protein cream prepared by processing method based on selenium-rich hydrolysis rice protein powder, The following steps are included:
10) polyphenol compound will be added in enzymolysis protein clear liquid obtained in step 7, is mixed;
11) the resulting mixed liquor of step 10 is subjected to high-pressure homogeneous processing and obtains selenium-rich hydrolysis protein emulsion.
Further, compound protease is made of the protease, amylase and cellulase of mass ratio 2:1:1.
Further, the polyphenol compound in step 10 can be chlorogenic acid, nutgall catechin gallic acid ester or not have Infanticide catechin.
Further, the additive amount of polyphenol compound is the 5%~10% of rice protein hydrolysate quality in step 10.
Further, high-pressure homogeneous for 50MPa, time 90S in step 11.
Under the operating conditions described above, the recovery rate according to measured by obtained selenium-rich hydrolysis protein concentrated solution is 279.40mg/100g, dissolution rate 59.7%, purity 89.52, selenium content 76.1ug/100g.
Embodiment two:
A kind of processing method of selenium-rich hydrolysis rice protein (HRP) powder, comprising the following steps:
1) selenium-rich rice of the Se content not less than 600UG/ kilograms is chosen as raw material, and selenium-rich rice is first used to ion cleaning agent It impregnates 60 minutes, then is cleaned with clear water, and it is spare to be dried to moisture content 7.5%;
2) that the Rice enriched-Se of drying is worn into 200 targeted fine powders with flour mill is stand-by;
3) will through treated in step 2, selenium-rich rice flour is put into freezing chamber is freeze-dried, first freezer temperature is cooled down It to -17.5 DEG C, freezes 3 hours, then be warming up to 7.5 DEG C, is kept for 60 minutes;
4) Rice enriched-Se after impregnating the alkali ion water that PH9 is added in the selenium-rich rice flour after freezing and being impregnated to alkali ion water Powder is heated, and rice water ratio is 1:2, continues to boil 30 minutes after boiling, to the time after close fire stewing 60 minutes, it is cooling stand-by;
5) by the protease for being added 1% in step 4 treated Rice enriched-Se powder liquid, (alkali protease and compound protease are multiple Close, and compositely proportional is 2:1), and is fitted into the heater for having agitating function, 30 DEG C at a temperature of keep the temperature and stir It is digested within 60 minutes, it is cooling stand-by;
6) liquid after step 5 enzymatic hydrolysis is centrifuged 17.5 minutes under the revolving speed of 4000 rev/min, takes upper layer enzymolysis protein Clear liquid;
7) enzymolysis protein clear liquid is subjected to nanofiltration desalination using the nanofiltration membrane of retention relative molecular mass 250Da;
8) the enzymolysis protein clear liquid obtained after nanofiltration desalination is concentrated in vacuo, obtains selenium-rich by 25% concentration ratio respectively Protein hydrolysate concentrate;
9) selenium-rich hydrolysis protein concentrated solution is sent into freeze-dryer, obtained solid is ground into through subtle powder smash after drying Powder is selenium-rich protein hydrolysate powder.
The processing method of selenium-rich hydrolysis rice protein cream prepared by processing method based on selenium-rich hydrolysis rice protein powder, The following steps are included:
10) polyphenol compound will be added in enzymolysis protein clear liquid obtained in step 7, is mixed;
11) the resulting mixed liquor of step 10 is subjected to high-pressure homogeneous processing and obtains selenium-rich hydrolysis protein emulsion.
Further, compound protease is made of the protease, amylase and cellulase of mass ratio 2:1:1.
Further, the polyphenol compound in step 10 can be chlorogenic acid, nutgall catechin gallic acid ester or not have Infanticide catechin.
Further, the additive amount of polyphenol compound is the 5%~10% of rice protein hydrolysate quality in step 10.
Further, high-pressure homogeneous for 65MPa, time 105S in step 11.
Under the operating conditions described above, the recovery rate according to measured by obtained selenium-rich hydrolysis protein concentrated solution is 283.10mg/100g, dissolution rate 71.1%, purity 91.03, selenium content 91.3ug/100g.
Embodiment 3:
A kind of processing method of selenium-rich hydrolysis rice protein (HRP) powder, comprising the following steps:
1) selenium-rich rice of the Se content not less than 600UG/ kilograms is chosen as raw material, and selenium-rich rice is first used to ion cleaning agent It impregnates 60 minutes, then is cleaned with clear water, and it is spare to be dried to moisture content 10%;
2) that the Rice enriched-Se of drying is worn into 200 targeted fine powders with flour mill is stand-by;
3) will through treated in step 2, selenium-rich rice flour is put into freezing chamber is freeze-dried, first freezer temperature is cooled down It to -20 DEG C, freezes 3 hours, then be warming up to 10 DEG C, is kept for 60 minutes;
4) selenium-rich after impregnating the alkali ion water that PH10 is added in the selenium-rich rice flour after freezing and being impregnated to alkali ion water Rice flour is heated, and rice water ratio is 1:2, continues to boil 30 minutes after boiling, to the time after close fire stewing 60 minutes, it is cooling stand-by;
5) by the protease for being added 1% in step 4 treated Rice enriched-Se powder liquid, (alkali protease and compound protease are multiple Close, and compositely proportional is 2:1), and is fitted into the heater for having agitating function, 30 DEG C at a temperature of keep the temperature and stir It is digested within 70 minutes, it is cooling stand-by;
6) liquid after step 5 enzymatic hydrolysis is centrifuged 20 minutes under the revolving speed of 5000 rev/min, takes upper layer enzymolysis protein clear Liquid;
7) enzymolysis protein clear liquid is subjected to nanofiltration desalination using the nanofiltration membrane of retention relative molecular mass 300Da;
8) the enzymolysis protein clear liquid obtained after nanofiltration desalination is concentrated in vacuo, obtains selenium-rich by 30% concentration ratio respectively Protein hydrolysate concentrate;
9) selenium-rich hydrolysis protein concentrated solution is sent into freeze-dryer, obtained solid is ground into through subtle powder smash after drying Powder is selenium-rich protein hydrolysate powder.
The processing method of selenium-rich hydrolysis rice protein cream prepared by processing method based on selenium-rich hydrolysis rice protein powder, The following steps are included:
10) polyphenol compound will be added in enzymolysis protein clear liquid obtained in step 7, is mixed;
11) the resulting mixed liquor of step 10 is subjected to high-pressure homogeneous processing and obtains selenium-rich hydrolysis protein emulsion.
Further, compound protease is made of the protease, amylase and cellulase of mass ratio 2:1:1.
Further, the polyphenol compound in step 10 can be chlorogenic acid, nutgall catechin gallic acid ester or not have Infanticide catechin.
Further, the additive amount of polyphenol compound is the 5%~10% of rice protein hydrolysate quality in step 10.
Further, high-pressure homogeneous for 80MPa, time 120S in step 11.
Under the operating conditions described above, the recovery rate according to measured by obtained selenium-rich hydrolysis protein concentrated solution is 288.10mg/100g, dissolution rate 80.1%, purity 93.03, selenium content 100.3ug/100g.
Comparative example 1:
With embodiment 1-3 the difference is that: the pH value of the liquid impregnated in step 3 to the selenium-rich rice flour after freezing is not Together, and the pH value is as follows for data measured under 4 result:
Group Recovery rate mg/100g Dissolution rate % Purity Selenium content ug/100g
Embodiment one 128.67 34.2 72.6 28.96
Embodiment two 142.24 36.5 77.3 31.24
Embodiment three 139.45 35.1 74.5 29.75
In summary, lower to the solubility of selenium-rich rice flour when the ph solution for being 4 dissolves selenium-rich rice flour in step 3, with It is reduced levels as recovery rate, purity and selenium content.
Comparative example 2:
With embodiment 1-3 the difference is that: the pH value of the liquid impregnated in step 3 to the selenium-rich rice flour after freezing is not Together, and the pH value is as follows for data measured under 6 result:
Group Recovery rate mg/100g Dissolution rate % Purity Selenium content ug/100g
Embodiment one 178.38 42.3 78.7 48.3
Embodiment two 187.57 45.1 82.2 54.4
Embodiment three 182.38 42.5 80.3 52.8
In summary, when ph be 6 solution dissolve selenium-rich rice flour in step 3 when, compared to ph be 4 when its to selenium-rich rice flour Solubility increases, and is significantly increased when so that recovery rate, purity and selenium content are compared with ph4, but still is reduced levels.

Claims (8)

1. a kind of processing method of selenium-rich hydrolysis rice protein powder, it is characterized in that: the following steps are included: 1) selection Se content is not low In 600UG/ kilograms of selenium-rich rice as raw material, and ion cleaning agent is first used to impregnate 60 minutes selenium-rich rice, then use clear water It cleans, and it is spare to be dried to moisture content 5%-10%;
2) that the Rice enriched-Se of drying is worn into 200 targeted fine powders with flour mill is stand-by;
3) will through treated in step 2, selenium-rich rice flour is put into freezing chamber is freeze-dried, first freezer temperature is cooled down It to -15 DEG C~-20 DEG C, freezes 3 hours, then be warming up to 5 DEG C~10 DEG C, is kept for 60 minutes;
4) after the alkali ion water that PH8~PH10 is added in the selenium-rich rice flour after freezing being impregnated and being impregnated to alkali ion water Selenium-rich rice flour is heated, and rice water ratio is 1:2, continues to boil 30 minutes after boiling, to the time after close fire stewing 50-60 minutes, it is cold Stand-by;
5) 1% protease will be added in step 4 treated Rice enriched-Se powder liquid, and is packed into the heating for having agitating function In device, 30 DEG C at a temperature of keep the temperature and stir 50-70 minutes and digested, it is cooling stand-by;
6) liquid after step 5 enzymatic hydrolysis is centrifuged 15-20 minutes under the revolving speed of 3000-5000 rev/min, takes upper layer enzyme Solve albumen clear liquid;
7) enzymolysis protein clear liquid is subjected to nanofiltration desalination using the nanofiltration membrane of retention relative molecular mass 200-300Da;
8) the enzymolysis protein clear liquid obtained after nanofiltration desalination is concentrated in vacuo, is obtained respectively by the concentration ratio of 20%-30% Selenium-rich hydrolyzes protein concentrated solution;
9) selenium-rich hydrolysis protein concentrated solution is sent into freeze-dryer, obtained solid is ground into through subtle powder smash after drying Powder is selenium-rich protein hydrolysate powder.
2. selenium-rich hydrolysis prepared by the processing method based on a kind of selenium-rich hydrolysis rice protein powder described in claim 1 is big Rice gluten cream, it is characterized in that: the following steps are included:
10) polyphenol compound will be added in enzymolysis protein clear liquid obtained in step 7, is mixed;
11) the resulting mixed liquor of step 10 is subjected to high-pressure homogeneous processing and obtains selenium-rich hydrolysis protein emulsion.
3. the processing method of a kind of selenium-rich hydrolysis rice protein powder according to claim 1, it is characterized in that: the step 5) In protease be that alkali protease and compound protease are combined, and compositely proportional is 2:1.
4. the processing method of a kind of selenium-rich hydrolysis rice protein powder according to claim 3, it is characterized in that: the compound egg White enzyme is made of the protease, amylase and cellulase of mass ratio 2:1:1.
5. the processing method of a kind of selenium-rich hydrolysis rice protein cream according to claim 2, it is characterized in that: the step 10 In polyphenol compound can be chlorogenic acid, nutgall catechin gallic acid ester or nutgall catechin.
6. the processing method of a kind of selenium-rich hydrolysis rice protein cream according to claim 5, it is characterized in that: the step 10 The additive amount of middle polyphenol compound is the 5%~10% of rice protein hydrolysate quality.
7. the processing method of a kind of selenium-rich hydrolysis rice protein cream according to claim 6, it is characterized in that: the step 11 In it is high-pressure homogeneous be 50~80MPa, the time is 90~120S.
8. a kind of processing method of selenium-rich hydrolysis rice protein powder according to claim 4, it is characterized in that: the alkalinity from Sub- water is to be obtained by the way that tap water device for producing electrolytic water is electrolysed addition calcium.
CN201910397558.0A 2019-05-14 2019-05-14 A kind of processing method of selenium-rich hydrolysis rice protein cream and powder Pending CN110089616A (en)

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Application publication date: 20190806