CN102578358B - Method for preparing coconut polypeptide and coconut polypeptide prepared by same - Google Patents

Method for preparing coconut polypeptide and coconut polypeptide prepared by same Download PDF

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CN102578358B
CN102578358B CN 201210041195 CN201210041195A CN102578358B CN 102578358 B CN102578358 B CN 102578358B CN 201210041195 CN201210041195 CN 201210041195 CN 201210041195 A CN201210041195 A CN 201210041195A CN 102578358 B CN102578358 B CN 102578358B
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coconut
polypeptide
add
slurries
protease
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CN102578358A (en
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伍曾利
吴家强
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Hainan Yun Hao Biotechnology Co ltd
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Abstract

The invention relates to the technical field of the food, in particular to a method for preparing coconut polypeptide and the coconut polypeptide prepared by the same. The method for preparing coconut polypeptide is characterized in that sulfydryl protease and compound protease are adopted to hydrolyze coconut protein in two steps to prepare the coconut polypeptide with better nutrition adsorption characteristic and excellent physiological function, so that the variety of the coconut product is enriched, and the additional value of the coconut is improved. The method for preparing coconut polypeptide has the advantages of high coconut protein hydrolysis degree, is simple to operate and is suitable for industrial production. The prepared coconut polypeptide has small molecular weight and high purity, is favorable for people to adsorb, can be directly used, can be used as food additive and also can be used for protein beverage, sports beverage, health-care products and the like.

Description

A kind of method of coconut polypeptide and coconut polypeptide of preparation of preparing
Technical field
The present invention relates to food technology field, relate to a kind of method of coconut polypeptide and coconut polypeptide of preparation of preparing specifically.
Background technology
Coconut is the fruit of coco, is that the shell of fiber is formed by skin, ferry coir is provided and includes the big nut of edible thick meat.Coconut is extensively planted in the torrid areas, and as countries such as Philippine, Indonesia, India, the main place of production of China is Hainan Province.Whole world coconut cultivated area reaches 1,100 ten thousand m 2, produce about 53,600,000,000 of coconut per year.The coconut whole body all is precious, and coconut water, coconut meat not only taste are sweet and refreshing, also have certain medical value, even cocounut oil, cocoanut shell also can be used as medicine.Especially the purposes with coconut meat is the most extensive.
Coconut meat accounts for whole maturation and goes 50% of clothing coconut weight, and the coconut meat color is pure white, contains a large amount of vegetable proteins and several amino acids, fat, carbohydrate, vitamin and trace element etc., and fragrance and flavour uniqueness are very popular.Coconut meat, nature and flavor are sweet flat, nontoxic, but strong, gentle wind, the clear infantile malnutrition due to digestive disturbances or intestinalparasites desinsection of going of qi-restoratives benefit often eaten the function that coconut meat has the Yue Seze skin.
And the protein resource in the coconut is abundant, and the amino acid ratio of components is more complete, is the best vegetable protein, is the important source material in the food processing.For trophic function and the processing characteristics thereof that further improves coconut protein, widen its application, give full play to coconut protein in the important function of maintaining aspect the health, improve the coconut value-added content of product, people research are the albumen selective hydrolysis polypeptide.Can enrich the coconut product category like this, also can improve the added value of coconut, improve the processing characteristics of agricultural product.
The coconut polypeptide is the hydrolysate of coconut protein after the enzyme effect, because it has extraordinary nutrient absorption characteristic and splendid physiological function and processing characteristics, is just receiving coconut processer's concern, but does not also have the patent about the coconut polypeptide at present.Application number is in the Chinese patent " preparation method of coconut extractive " of CN200710079784.1 coconut meat to be ground pulping with coconut water, carry out double enzymolysis then, remove grease, make a kind of coconut extractive that contains the coconut polypeptide after separating the stillness of night, hydroxy phosphorus Calx chromatographic column adsorbing separation and ultrafiltration, the coconut polypeptide in the coconut extractive is not carried out single separation and Extraction preparation, obtain the coconut polypeptide.
Summary of the invention
In view of this, the object of the present invention is to provide the high method for preparing the coconut polypeptide of a kind of coconut polypeptide purity and the coconut polypeptide of preparation.
For realizing purpose of the present invention, the present invention adopts following technical scheme:
A kind of method for preparing the coconut polypeptide may further comprise the steps:
A, get coconut meat, add the water of 4~14 times of weight of coconut meat weight, pulverising mill is fine into slurries, is heated to 85 ℃~100 ℃, keeps 1h~6h, and cooling removes grease then, filters, and collects filter residue;
B, get step a gained filter residue, add 40 ℃~70 ℃ water of 4~10 times of weight of filter residue weight, stir slurries, add aqueous slkali and regulate pH value to 7.0~9.0, be heated to 85 ℃~100 ℃, maintenance 30min, it is standby to lower the temperature then;
C, the slurries after step b gained cooling add thiol protease reaction 2~6h, and then add compound protease, and at 45 ℃~55 ℃, the pH value is hydrolysis 6~12h under 9.0~7.0 the condition;
After d, enzyme reaction finish, enzyme-deactivating, cooling is filtered, and gets supernatant, and filtrate is got in ultrafiltration, concentrates, is drying to obtain.
Preferably, the described pulverising mill of step a adds water when being fine into slurries amount is 6~10 times of coconut meat weight, more preferably 7~8 times.
Preferably, step a is described is heated to 85 ℃~100 ℃ and keeps 2h~4h, more preferably 3h.
Preferably, the described grease that removes of step a is to remove degrease with oil-water separator to collect the heavy-fluid phase.
Preferably, step b is described stir add water during slurries amount be 6~10 times of coconut palm filter residue weight, more preferably 7~8 times.
Preferably, the aqueous slkali of the described adjusting pH value of step b is sodium hydroxide solution, aqua calcis, potassium hydroxide solution, sodium bicarbonate solution or ammoniacal liquor.
Preparation method's step c of coconut polypeptide of the present invention adopts thiol protease and two kinds of protease of compound protease hydrolysis coconut protein extraction in two steps polypeptide.Wherein, the addition of described thiol protease and compound protease is preferably the protease that every kilogram of slurries add 8 million international units (than vigor).
Thiol protease is that sulfydryl (cysteine) is contained in a class activated centre, and relies on the proteolytic enzyme of sulfydryl catalyzing hydrolysis peptide bond.Preparation method's step c of coconut polypeptide of the present invention at first adopts the slurries after the cooling of thiol protease hydrolysing step b gained.Preferably, the described thiol protease of step c is one or both a mixture of papain or bromelain.
Preparation method's step c of coconut polypeptide of the present invention adopts the compound protease enzymolysis slurries that hydrolysis obtains to thiol protease to carry out the secondary hydrolysis.Preferably, the described compound protease of step c is the mixture of papain, pepsin and bromelain, and the mass ratio of described papain and pepsin and bromelain is 1: 1: 1.
Preferably, the described ultrafiltration of steps d is for the molecule interception being the following milipore filter ultrafiltration of 10000Da.
Preferably,, it is characterized in that the described simmer down to filtrate of steps d is concentrated into 30% of original volume according to the described preparation method of claim 1.
Preferably, according to the described preparation method of claim 1, it is characterized in that the described drying of steps d is that concentrate is squeezed into the press spray drying tower through high-pressure pump, is that 165 ℃~200 ℃, leaving air temp are that 70 ℃~90 ℃, high-pressure pump pressure are to carry out drying under 5~7MPa at EAT.
The present invention also provides the coconut polypeptide that utilizes preparation method's preparation of the present invention.
Coconut polypeptide provided by the invention is detected, and the result shows polypeptide purity in the coconut polypeptide greater than 50%, and the polypeptide mean molecule quantity is less than 5000Da.
The invention provides a kind of method of coconut polypeptide and coconut polypeptide of preparation of preparing.The method for preparing the coconut polypeptide of the present invention is to adopt thiol protease and two kinds of protease of compound protease hydrolysis coconut protein in two steps, prepare coconut polypeptide with better nutrient absorption characteristic and splendid physiological function, enrich the coconut product category, improved the added value of coconut.The degree of hydrolysis height of preparation method's coconut protein of the present invention, simple to operate, be fit to suitability for industrialized production, the coconut polypeptide molecular weight for preparing is little, purity is high, be beneficial to absorption of human body, can directly use, also can be used as food additives, can also be used for protein beverage, sports drink, health products etc.
The specific embodiment
The embodiment of the invention discloses a kind of method of coconut polypeptide and coconut polypeptide of preparation of preparing.Those skilled in the art can use for reference this paper content, suitably improve technological parameter and realize.Special needs to be pointed out is that all similarly replace and change apparent to those skilled in the art, they all are regarded as being included in the present invention.Product of the present invention and method are described by preferred embodiment, the related personnel obviously can be in not breaking away from content of the present invention, spirit and scope to product as herein described with method is changed or suitably change and combination, realize and use the technology of the present invention.
In order further to understand the present invention, the present invention is described in detail below in conjunction with embodiment.
Embodiment 1: the preparation of coconut polypeptide
Coconut is peeled off, get coconut meat 10kg, the pigment comminution of adding 40kg is fine into slurries, gets slurries 38.7kg, and standby, slurries are heated to 85 ℃, keep 1h, are cooled to room temperature, remove degrease, filter, and are centrifugal, get filter residue, get 6.8kg, standby.Get filter residue, add 40 ℃ water 27.2kg, stir slurries 34kg, add 30% sodium hydroxide solution and regulate pH value to 7.0, be heated to 85 ℃ of 30min, be cooled to room temperature, slurries 32.5kg, standby.The papain that slurries add 260 million international units (than vigor) earlier reacted 2 hours, and reaction temperature is 45 ℃, and pH value is 7.0.The compound protein enzyme hydrolysis of reaction end back adding 260 million international units (than vigor) 6 hours, reaction temperature is 45 ℃, pH value is 7.0.Enzyme reaction is carried out enzyme-deactivating after finishing, and is cooled to room temperature, filters, and is centrifugal, gets supernatant, and supernatant carries out ultrafiltration, gets filtered solution 22.8kg, standby; Filtered solution is concentrated into 6.8L, and concentrate is squeezed into the press spray drying tower through high-pressure pump, is 165 ℃ at EAT, and leaving air temp is 70 ℃, and high-pressure pump pressure is to carry out drying under the 5MPa, makes Powdered coconut polypeptide 0.51kg.
Embodiment 2: the preparation of coconut polypeptide
Coconut is peeled off, get coconut meat 10kg, the pigment comminution that adds 140kg is fine into slurries, gets slurries 147kg, and is standby.Slurries are heated to 100 ℃, keep 6h, are cooled to room temperature, remove degrease, filter, and are centrifugal, get filter residue 6.0kg, standby.Get filter residue, add 70 ℃ water 60kg, stir slurries 66kg, add 30% potassium hydroxide solution and regulate pH value to 9.0, be heated to 100 ℃ of 30min, be cooled to room temperature, slurries 65.5kg, standby.Slurries add earlier the bromelain 6 hours of 260 million international units (than vigor), add the compound protein enzyme hydrolysis 12 hours of 260 million international units (than vigor) again, and reaction temperature is controlled at 55 ℃, and pH value is 9.0, and enzyme reaction is carried out enzyme-deactivating after finishing.Cooling is filtered, and is centrifugal, gets supernatant, and supernatant carries out ultrafiltration, gets filtered solution 23.4kg, standby.Filtered solution is concentrated into 7.02kg, and concentrate is squeezed into the press spray drying tower through high-pressure pump, is 200 ℃ at EAT, and leaving air temp is 90 ℃, and high-pressure pump pressure is to carry out drying under the 7MPa, makes Powdered coconut polypeptide 0.57kg.
Embodiment 3: the preparation of coconut polypeptide
Coconut is peeled off, get coconut meat 10kg, the pigment comminution that adds 90kg is fine into slurries, gets slurries 94kg, and is standby.Slurries are heated to 95 ℃, keep 3h, are cooled to room temperature, remove degrease, filter, and are centrifugal, get filter residue 6.8kg, standby; Get filter residue, add 55 ℃ water 47.6kg,, stir slurries 54kg, add 30% sodium hydroxide solution and regulate pH value to 8.0, be heated to 95 ℃ of 30min, be cooled to room temperature, slurries 52kg, standby.Slurries add earlier the papain reaction 4 hours of 260 million international units (than vigor), add the compound protein enzyme hydrolysis 9 hours of 260 million international units (than vigor) again, and reaction temperature is controlled at 50 ℃, pH value is 8.0, enzyme reaction is carried out enzyme-deactivating after finishing, and is cooled to room temperature, filter, centrifugal, get supernatant, supernatant carries out ultrafiltration, get filtered solution 24.3kg, standby.Filtered solution is concentrated into 7.29kg, and concentrate is squeezed into the press spray drying tower through high-pressure pump, is 185 ℃ at EAT, and leaving air temp is 80 ℃, and high-pressure pump pressure is to carry out drying under the 6MPa, makes Powdered coconut polypeptide 0.66kg.
Embodiment 4:
The coconut polypeptide that embodiment 1~3 is made detects.
Detection method is: gets the concentrate before dry, adds ninhydrin solution number droplet, and heating, the recording solution color, each embodiment solution all is the purple explanation and is the solution solution that contains polypeptide.Detect the polypeptide purity of the coconut polypeptide that each embodiment makes then according to forint phenol; Carry out acidity according to two appendix VI of Chinese Pharmacopoeia version in 2005 H and detect, the results are shown in Table 1.
Table 1 coconut polypeptide detects index
The explanation of above embodiment just is used for helping to understand product of the present invention, method and purposes and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.

Claims (9)

1. a method for preparing the coconut polypeptide is characterized in that, may further comprise the steps:
A, get coconut meat, add the water of 4~14 times of weight of coconut meat weight, pulverising mill is fine into slurries, is heated to 85 ℃~100 ℃, keeps 1h~6h, and cooling removes grease then, filters, and collects filter residue;
B, get step a gained filter residue, add 40 ℃~70 ℃ water of 4~10 times of weight of filter residue weight, stir slurries, add aqueous slkali and regulate pH value to 7.0~9.0, be heated to 85 ℃~100 ℃, maintenance 30min, it is standby to lower the temperature then;
C, the slurries after step b gained cooling add thiol protease reaction 2~6h, and then add compound protease, and at 45 ℃~55 ℃, the pH value is hydrolysis 6~12h under 9.0~7.0 the condition;
After d, enzyme reaction finish, enzyme-deactivating, cooling is filtered, and gets supernatant, and filtrate is got in ultrafiltration, concentrates, is drying to obtain;
Described compound protease is the mixture of papain, pepsin and bromelain, and wherein, the mass ratio of described papain and pepsin and bromelain is 1:1:1.
2. according to the described method of claim 1, it is characterized in that the described grease that removes of step a is to remove degrease with oil-water separator to collect the heavy-fluid phase.
3. according to the described method of claim 1, it is characterized in that the aqueous slkali of the described adjusting of step b pH value is sodium hydroxide solution, aqua calcis, potassium hydroxide solution, sodium bicarbonate solution or ammoniacal liquor.
4. according to the described method of claim 1, it is characterized in that the addition of described thiol protease of step c and compound protease is the protease that every kilogram of slurries add 8 million international units.
5. according to the described method of claim 1, it is characterized in that the described thiol protease of step c is one or both a mixture of papain or bromelain.
6. according to the described method of claim 1, it is characterized in that the described ultrafiltration of steps d is for the molecule interception being the following milipore filter ultrafiltration of 10000Da.
7. according to the described method of claim 1, it is characterized in that the described simmer down to filtrate of steps d is concentrated into 30% of original volume.
8. according to the described method of claim 1, it is characterized in that, the described drying of steps d is that concentrate is squeezed into the press spray drying tower through high-pressure pump, is that 165 ℃~200 ℃, leaving air temp are that 70 ℃~90 ℃, high-pressure pump pressure are to carry out drying under 5~7MPa at EAT.
9. the coconut polypeptide that makes of each described method of claim 1~8.
CN 201210041195 2012-02-22 2012-02-22 Method for preparing coconut polypeptide and coconut polypeptide prepared by same Active CN102578358B (en)

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Publication number Priority date Publication date Assignee Title
CN106490410B (en) * 2016-09-27 2020-10-30 海南三风友制药有限公司 Coconut water electrolyte fluid infusion composition and preparation method thereof
CN109680030A (en) * 2019-01-28 2019-04-26 华南理工大学 A kind of inoxidizability coconut polypeptide and the preparation method and application thereof
CN112641084A (en) * 2021-01-15 2021-04-13 平顶山天晶植物蛋白有限责任公司 Preparation method of antifreeze soybean protein isolate

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423530A (en) * 2000-02-15 2003-06-11 利波詹尼克斯公司 Enzymatic processing of coconut meat to produce edible products
CN100548150C (en) * 2007-03-09 2009-10-14 伍曾利 The preparation method of coconut extractive
CN101647542A (en) * 2008-08-14 2010-02-17 海南省粮油科学研究所 Method for extracting coconut oil and byproducts from fresh coconut pulp
CN101766316A (en) * 2009-12-31 2010-07-07 海南耶肽生物工程有限公司 Coconut peptide water beverage, preparation method and purpose thereof
CN102228204A (en) * 2011-06-07 2011-11-02 韩金光 Method for preparing coconut pulp dietary fiber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1423530A (en) * 2000-02-15 2003-06-11 利波詹尼克斯公司 Enzymatic processing of coconut meat to produce edible products
CN100548150C (en) * 2007-03-09 2009-10-14 伍曾利 The preparation method of coconut extractive
CN101647542A (en) * 2008-08-14 2010-02-17 海南省粮油科学研究所 Method for extracting coconut oil and byproducts from fresh coconut pulp
CN101766316A (en) * 2009-12-31 2010-07-07 海南耶肽生物工程有限公司 Coconut peptide water beverage, preparation method and purpose thereof
CN102228204A (en) * 2011-06-07 2011-11-02 韩金光 Method for preparing coconut pulp dietary fiber

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