CN106360261A - Method for removing copper and mercury in bitter apricot seed protein - Google Patents
Method for removing copper and mercury in bitter apricot seed protein Download PDFInfo
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- CN106360261A CN106360261A CN201610805314.8A CN201610805314A CN106360261A CN 106360261 A CN106360261 A CN 106360261A CN 201610805314 A CN201610805314 A CN 201610805314A CN 106360261 A CN106360261 A CN 106360261A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23J—PROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
- A23J3/00—Working-up of proteins for foodstuffs
- A23J3/14—Vegetable proteins
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
The invention relates to a method for removing copper and mercury in bitter apricot seed protein. The method comprises the following steps: taking bitter apricot seed protein, performing size mixing, substituting, chelating, hardening and tempering, adsorbing, performing solid-liquid separation, adjusting the pH value, sterilizing, dehydrating, drying and the like. By adopting the method, the contents of copper and mercury in the bitter apricot seed protein can be effectively reduced, and moreover the sensory quality and the nutrient values of the bitter apricot seed protein are not affected.
Description
Technical field
The present invention relates in a kind of almond protein copper, hydrargyrum removal methods, belong to processing of farm products field.
Background technology
Almond protein has good aminoacid composition and ratio, and digestibility is high, is a kind of excellent vegetable protein, has
Important value.Recently as the development of industry, mining industry etc., heavy metal pollution problem progressively exposes.Copper, hydrargyrum attachment
In protein, the edible safety of albumen is led to be affected.After enriching Cu, the protein of hydrargyrum are eaten, can be in vivo
Enrichment, serious harm health.
Content of the invention
The present invention is intended to provide a kind of method is easy, the rational method of cost reduces copper in almond protein, mercury content, carry
High edible safety.
The removal methods of copper, hydrargyrum in a kind of almond protein, comprise the following steps:
(1) size mixing: take almond protein powder double centner, add 920-940 kilogram of drinking water, mix;
(2) replace: add 2.6-2.8 kilogram of malic acid, then adjust serosity ph to 4.6-4.8, add 280-300 gram of chlorine
Change zinc, mix, at 50-52 DEG C, keep 2.2-2.4 hour, period is stirred continuously, and mixing speed is 3200-3400 rev/min;
(3) chelate: add 1.8-2.0 kilogram of tartaric acid, adjust almond protein serosity ph to 3.4-3.6, stir at 42-44 DEG C
Mix 76-78 minute, mixing speed is 3300-3500 rev/min;
(4) quenched: serosity carries out processed, add 860-880 kilogram of drinking water toward in almond protein slag, mix well;
(5) adsorb: adjust almond protein serosity ph to 5.4-5.6, add 2.6-2.8 kilogram of cellulose, stir at 46-48 DEG C
Mix 60-62 minute, mixing speed is 3400-3600 rev/min;
(6) solid-liquid separation: carry out solid-liquid separation, remove insoluble solid;
(7) adjust ph: adjust the ph to 6.4-6.6 of almond protein serosity in 10 minutes;
(8) sterilize, be dehydrated and be dried: serosity carries out sterilization treatment, be then dehydrated, be dried, obtain product.
Wherein, cellulose is Microcrystalline Cellulose, and mean diameter is 260-280 mesh.
Present invention has the advantage that
1st, the present invention adopts malic acid and tartaric chelating to replace the specific acidity bar needed for system, existing highly effective chelating
Part, has enough molecular radicals for working in coordination with chelated copper, hydrargyrum simultaneously.
2nd, the substitution reaction stage, using zinc under specific environment, chelation is replaced to copper, the competitive of hydrargyrum, reduce in product
Copper, mercury content.
3rd, under specific ph, add particular fineness Microcrystalline Cellulose, can further target heavy metal adsorption out, from
And reach the synchronous effect removing removing heavy metals.Specific mixing speed can ensure that Microcrystalline Cellulose and heavy metal are fully contacted instead
Should, the removal efficiency of lifting copper, hydrargyrum under the dynamic equilibrium of absorption-parsing.
4th, the present invention adopt malic acid-tartaric acid compound system highly effective chelating effect, under specific environment the replacement of zinc make
With and particular fineness Microcrystalline Cellulose adsorption, by the cooperative effect of three, synchronous reduce in almond protein
Copper, mercury content.
Specific embodiment
Describe in more detail the present invention below by specific embodiment.
Embodiment 1
(1) size mixing: take almond protein powder double centner, add 940 kilograms of drinking waters, mix;(2) replace: add 2.8 thousand
Gram malic acid, then adjusts serosity ph to 4.8, adds 300 grams of zinc chloride, mixes, and keeps 2.4 hours, period is continuous at 52 DEG C
Stirring, mixing speed is 3400 revs/min;(3) chelate: add 2.0 kilograms of tartaric acid, adjust almond protein serosity ph to 3.6,
Stir 78 minutes at 44 DEG C, mixing speed is 3500 revs/min;(4) quenched: serosity carries out processed, toward almond protein slag
880 kilograms of drinking waters of middle addition, mix well;(5) adsorb: adjust almond protein serosity ph to 5.6, add 2.8 kilograms of microcrystalline celluloses
Element (mean diameter is 280 mesh), stirs 62 minutes at 48 DEG C, mixing speed is 3600 revs/min;(6) solid-liquid separation: carry out solid
Liquid separates, and removes insoluble solid;(7) adjust ph: adjust the ph to 6.6 of almond protein serosity in 10 minutes;(8) sterilize, take off
Water and drying: serosity carries out sterilization treatment, are then dehydrated, are dried, obtain product.
Embodiment 2
(1) size mixing: take almond protein powder double centner, add 920 kilograms of drinking waters, mix;(2) replace: add 2.6 thousand
Gram malic acid, then adjusts serosity ph to 4.6, adds 280 grams of zinc chloride, mixes, and keeps 2.2 hours, period is continuous at 50 DEG C
Stirring, mixing speed is 3200 revs/min;(3) chelate: add 1.8 kilograms of tartaric acid, adjust almond protein serosity ph to 3.4,
Stir 76 minutes at 42 DEG C, mixing speed is 3300 revs/min;(4) quenched: serosity carries out processed, toward almond protein slag
860 kilograms of drinking waters of middle addition, mix well;(5) adsorb: adjust almond protein serosity ph to 5.4, add 2.6 kilograms of microcrystalline celluloses
Element (mean diameter is 260 mesh), stirs 60 minutes at 46 DEG C, mixing speed is 3400 revs/min;(6) solid-liquid separation: carry out solid
Liquid separates, and removes insoluble solid;(7) adjust ph: adjust the ph to 6.4 of almond protein serosity in 10 minutes;(8) sterilize, take off
Water and drying: serosity carries out sterilization treatment, are then dehydrated, are dried, obtain product.
After testing, the copper of embodiment 1 and embodiment 2 almond protein product, mercury content all decline more than 86%, product simultaneously
Mode of appearance and organoleptic quality be substantially not changed in.
Claims (2)
1. in a kind of almond protein the removal methods of copper, hydrargyrum it is characterised in that comprising the following steps:
(1) size mixing: take almond protein powder double centner, add 920-940 kilogram of drinking water, mix;
(2) replace: add 2.6-2.8 kilogram of malic acid, then adjust serosity ph to 4.6-4.8, add 280-300 gram of chlorination
Zinc, mixes, and keeps 2.2-2.4 hour at 50-52 DEG C, and period is stirred continuously, and mixing speed is 3200-3400 rev/min;
(3) chelate: add 1.8-2.0 kilogram of tartaric acid, adjust almond protein serosity ph to 3.4-3.6, stir at 42-44 DEG C
76-78 minute, mixing speed is 3300-3500 rev/min;
(4) quenched: serosity carries out processed, add 860-880 kilogram of drinking water toward in almond protein slag, mix well;
(5) adsorb: adjust almond protein serosity ph to 5.4-5.6, add 2.6-2.8 kilogram of cellulose, stir at 46-48 DEG C
60-62 minute, mixing speed is 3400-3600 rev/min;
(6) solid-liquid separation: carry out solid-liquid separation, remove insoluble solid;
(7) adjust ph: adjust the ph to 6.4-6.6 of almond protein serosity in 10 minutes;
(8) sterilize, be dehydrated and be dried: serosity carries out sterilization treatment, be then dehydrated, be dried, obtain product.
2. it is characterised in that cellulose is Microcrystalline Cellulose, mean diameter is production method according to claim 1
260-280 mesh.
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CN201610805314.8A CN106360261A (en) | 2016-09-06 | 2016-09-06 | Method for removing copper and mercury in bitter apricot seed protein |
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CN201610805314.8A CN106360261A (en) | 2016-09-06 | 2016-09-06 | Method for removing copper and mercury in bitter apricot seed protein |
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