CN103478398A - Lotus seed protein powder and production method thereof - Google Patents
Lotus seed protein powder and production method thereof Download PDFInfo
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- CN103478398A CN103478398A CN201310407100.1A CN201310407100A CN103478398A CN 103478398 A CN103478398 A CN 103478398A CN 201310407100 A CN201310407100 A CN 201310407100A CN 103478398 A CN103478398 A CN 103478398A
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- lotus
- seed protein
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Abstract
The invention provides lotus seed protein powder and a production method thereof. The production method comprises the following steps: 1. carrying out acceptance inspection on lotus seeds: picking fresh lotus seeds with shells, wherein 70%-80% of parts of the picked lotus seeds are matured; 2. crushing; 3. carrying out salt extraction, acid deposition and centrifugation: regulating the pH value of the extracted mixture to be 4.2 by using hydrochloric acid and sodium hydroxide; 4. performing stirring and centrifugal filtration; 5. carrying out ultrafiltration: carrying out ultrafiltration concentration on filtrate to obtain high-concentration protein; 6. drying the protein by a spray dryer to obtain finished protein powder product; and 7. packaging under a vacuum condition. Compared with the prior art, the lotus seed protein powder and the production method of the lotus seed protein powder have the beneficial effects that firstly, the lotus seed protein powder fully keeps the fresh scent, the color is changed from white to pale yellow, the lotus seed protein powder can be prepared into even paste by hot water and has fine and smooth mouthfeel; secondly, the production process of the lotus seed protein powder is simple and facilitates scale production, package, transportation and sale; thirdly, the lotus seed protein powder is convenient to store, and has shelf life up to 12 months at normal temperature.
Description
(1) technical field
The present invention relates to lotus seed protein powder and production method thereof.
(2) technical background
The nutritive value of lotus seeds is higher, contain rich in protein, fat, carbohydrate, calcium, phosphorus and potassium, except the composition that can form bone and tooth, promote in addition blood coagulation, make some enzyme activation, maintain nerve conductivity, calm neural, maintain the retractility of muscle and the effects such as the rhythm and pace of moving things of heartbeat.Lotus seeds have the effect of mental-tranquilization, and the elderly particularly brain worker is often edible, can brain tonic, strengthen memory, and increase work efficiency and can prevent the generation of senile dementia.The lotus nut taste is extremely bitter, and significant cardiotonic is but arranged, and can expand peripheral vascular, reduces blood pressure.Lotus nut well goes the effect of internal heat in addition, and the treatment aphthae, help sleep.The effect that the useful heart kidney tonifying of lotus seeds, invigorating the spleen to arrest diarrhea, controlling nocturnal emission with astringent drugs are calmed the nerves.
In view of health care and the medical value of lotus seeds, multinomial patent application and preparation method about lotus seed protein powder are now disclosed, the existing commercialization production of lotus seed protein powder at present, but do not form scale.
(3) summary of the invention
Technical assignment of the present invention be to provide a kind ofly retained the distinctive fragrant of lotus seeds, white to light yellow, the hot water of take is even pasty state after reconstituting, lotus seed protein powder of delicate mouthfeel and preparation method thereof.
1, the organoleptic indicator of lotus seed protein powder, physical and chemical index and microbiological indicator
Organoleptic indicator, physical and chemical index and microbiological indicator in Table 1, table 2 and table 3.
Table 1 organoleptic indicator
| Project | Index |
| Color and luster | White is to light yellow |
| Flavour, smell | The smell that tool this product is intrinsic, free from extraneous odour |
| Tissue morphology | Dry powdered, without caking |
| Brew | After the hot water of take reconstitutes, be even pasty state, delicate mouthfeel |
Table 2 physical and chemical index
| Project | Index |
| Protein (in butt, N * 6.25), % >= | 50.0 |
| Moisture, %≤ | 10.0 |
| Ash content (in butt), %≤ | 7.0 |
| Crude fat (in butt), %≤ | 2.0 |
| Crude fibre (in butt), %≤ | 5.0 |
| Plumbous (Pb), mg/kg≤ | 1.0 |
| Arsenic (in As), mg/kg | 0.5 |
| Residual solvent, mg/kg | 500 |
Table 3 microbiological indicator
| Project | Index |
| Total plate count, CFU/g≤ | 30000 |
| Coliform, MPN/g | 0.92 |
| Mould, CFU/g≤ | 50 |
| Pathogenic bacteria (salmonella, Shigella, staphylococcus aureus)/25g | Must not detect |
2, the technical solution adopted for the present invention to solve the technical problems is: be the lotus seed protein powder that adopts following technological process to make:
1) technological process
Lotus seeds examination → pulverizing → salt is put forward the sour centrifugal → protein solution → ultrafiltration → microwave ripening → protein → spray-drying → packing of sinking
2), the using method of above-mentioned lotus seed protein powder:
Hot water reconstitutes rear use or as other food ingredients.
3), lotus seed protein powder of the present invention and preparation method thereof compared with prior art, the beneficial effect produced is:
1) this lotus seed protein powder has fully retained the lotus seeds fragrant, white to light yellow, the hot water of take is even pasty state, delicate mouthfeel after reconstituting.
2) production technology of this lotus seed protein powder is simple, is convenient to large-scale production, packing and transportation, sale.
3) be convenient to preserve, the lower shelf-life of normal temperature can reach 12 months.
(4) specific embodiment
1) technological process
Lotus seeds examination → pulverizing → salt is put forward sour centrifugal → stirring, the centrifugal → ultrafiltration → drying → packing of sinking
2) key points for operation
1. lotus seeds are checked and accepted: pluck seven to medium well fresh shell lotus, the shell lotus should be without bad change, free from extraneous odour; To note especially with regard to harvesting, causing shell lotus residues of pesticides to exceed standard not because of safety interval after using the improper or applying pesticides of agricultural chemicals;
2. pulverize: by dried lotus seeds, with pulverizer, it is carried out to pulverization process, make it become lotus nut starch.
3. salt is carried sour heavy centrifugal: the pH value of NaCl solution is 6.4 left and right, and HCl, NaOH for mixed liquor after extracting are carried out to the adjusting of pH value, and regulating its pH value is 4.2.
4. stirring, centrifugal: by the lotus seed protein solution mixed, the centrifugal and collection supernatant with centrifuge;
5. ultrafiltration: supernatant is carried out to ultrafiltration concentration, obtain the protein of high concentration;
6. dry: as to carry out drying with spray dryer and obtain the finished product albumen powder;
7. pack: gas flush packaging.
Claims (4)
1. a lotus seed protein powder, is characterized in that, is to adopt following method production: 1. lotus seeds are checked and accepted: pluck seven to medium well fresh shell lotus, the shell lotus should be without bad change, free from extraneous odour; To note especially with regard to harvesting, causing shell lotus residues of pesticides to exceed standard not because of safety interval after using the improper or applying pesticides of agricultural chemicals; 2. pulverize: by dried lotus seeds, with pulverizer, it is carried out to pulverization process, make it become lotus nut starch.3. salt is carried sour heavy centrifugal: the pH value of NaCl solution is 6.4 left and right, and HCl, NaOH for mixed liquor after extracting are carried out to the adjusting of pH value.4. stirring, centrifugal: by the lotus seed protein solution mixed, the centrifugal and collection supernatant with centrifuge; 5. ultrafiltration: supernatant is carried out to ultrafiltration concentration, obtain the protein of high concentration; 6. dry: as to carry out drying with spray dryer and obtain the finished product albumen powder; 7. pack: gas flush packaging.
2. lotus seed protein powder according to claim 1, is characterized in that, this lotus seed protein powder has retained the distinctive fragrant of lotus seeds, white to light yellow, the hot water of take is even pasty state, delicate mouthfeel after reconstituting.
3. the preparation method of lotus seed protein powder as claimed in claim 1, is characterized in that, according to following steps, carries out: 1. lotus seeds are checked and accepted: pluck seven to medium well fresh shell lotus, the shell lotus should be without bad change, free from extraneous odour; To note especially with regard to harvesting, causing shell lotus residues of pesticides to exceed standard not because of safety interval after using the improper or applying pesticides of agricultural chemicals; 2. pulverize: by dried lotus seeds, with pulverizer, it is carried out to pulverization process, make it become lotus nut starch.3. salt is carried sour heavy centrifugal: the pH value of NaCl solution is 6.4 left and right, and HCl, NaOH for mixed liquor after extracting are carried out to the adjusting of pH value.4. stirring, centrifugal: by the lotus seed protein solution mixed, the centrifugal and collection supernatant with centrifuge; 5. ultrafiltration: supernatant is carried out to ultrafiltration concentration, obtain the protein of high concentration; 6. dry: as to carry out drying with spray dryer and obtain the finished product albumen powder; 7. pack: gas flush packaging.Lotus seed protein powder completes.
4. the preparation method of lotus seed protein powder according to claim 3, is characterized in that, HCl, NaOH for mixed liquor after extracting are carried out to the adjusting of pH value, and regulating its pH value is 4.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407100.1A CN103478398A (en) | 2013-09-03 | 2013-09-03 | Lotus seed protein powder and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407100.1A CN103478398A (en) | 2013-09-03 | 2013-09-03 | Lotus seed protein powder and production method thereof |
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| CN103478398A true CN103478398A (en) | 2014-01-01 |
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| CN201310407100.1A Pending CN103478398A (en) | 2013-09-03 | 2013-09-03 | Lotus seed protein powder and production method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031115A (en) * | 2014-06-23 | 2014-09-10 | 南昌大学 | Method for extracting proteins from Guangchang white lotus seeds |
| CN109651515A (en) * | 2018-12-10 | 2019-04-19 | 北京工商大学 | A method of processing lotus seeds scarlet reground grain |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101485382A (en) * | 2009-03-02 | 2009-07-22 | 湘潭大学 | Preparation method of lotus seed protein powder |
| CN101496622A (en) * | 2009-03-02 | 2009-08-05 | 湘潭大学 | Fruit-flavor lotus seed protein powder and production method |
| CN101215318B (en) * | 2008-01-09 | 2010-12-29 | 湘潭大学 | Ultrasonic wave extraction method for lotus seed protein |
-
2013
- 2013-09-03 CN CN201310407100.1A patent/CN103478398A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215318B (en) * | 2008-01-09 | 2010-12-29 | 湘潭大学 | Ultrasonic wave extraction method for lotus seed protein |
| CN101485382A (en) * | 2009-03-02 | 2009-07-22 | 湘潭大学 | Preparation method of lotus seed protein powder |
| CN101496622A (en) * | 2009-03-02 | 2009-08-05 | 湘潭大学 | Fruit-flavor lotus seed protein powder and production method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031115A (en) * | 2014-06-23 | 2014-09-10 | 南昌大学 | Method for extracting proteins from Guangchang white lotus seeds |
| CN109651515A (en) * | 2018-12-10 | 2019-04-19 | 北京工商大学 | A method of processing lotus seeds scarlet reground grain |
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Application publication date: 20140101 |