CN1685994A - Production method of food grade up to standard decolourized aloe gel 100:1 freeze dried powder - Google Patents

Abstract

A freeze-dried powder of the food-class decolored aloe gel (100:1) for preparing food or medicine is prepared from the fresh leaf meat of a kind of aloe through advanced process.

Description

100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel

100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel relate to the processing of aloe raw material product, and especially Fresh mesophyll of aloe being processed into industrialized form can be for the production method of 0: 1 freeze dried powder of decolored aloe gel 10:1 of aloe health-care food and OTC medicine manufacturing use.

100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel background technology situation: aloe is the very abundant natural plants of a kind of nutritional labeling.Studies have shown that according to modern science and technology, it contains tens kinds of active ingredients very useful to human body such as aloe polysaccharide, anthraquinone analog compound, each seed amino acid, organic acid and mineral matter, they performances function separately, its coefficient result is enhanced body immunity.Therefore, aloe is described as best healthy food material by the world today.But, still be a new industry in China's aloe industry, the processing of Fresh leaf of aloe also is in the starting stage, a little less than the conversion capability from aloe raw material to the aloe raw material product, the quality of converted products is low, and the market competitiveness is poor, and resource does not obtain fully, utilization effectively and reasonably.0: 1 freeze dried powder of decolored aloe gel 10:1 is an aloe gel freeze dried powder product of processing according to market demand.This product is very popular in the international market at present, and its reason is that market price is lower.0: 1 freeze dried powder of decolored aloe gel 10:1 is the important source material product that senior aloe health-care food and OTC medicine are made, with 0: 1 freeze dried powder of decolored aloe gel 10:1 that processing technology that falls behind and irregular processing method are produced, important indicators such as its organoleptic indicator, physical and chemical index, sanitary index are difficult to reach (QB/T2489-2000) " decolored aloe gel freeze dried powder " the key technical indexes of defined of People's Republic of China's light industry standard " edible aloe goods ".0: 1 freeze dried powder of decolored aloe gel 10:1 not up to standard, unsuitable as making the use of senior aloe health-care food and OTC medicine.

The present invention is to provide 100: 1 freeze drying powder producing methods of a kind of food grade up to standard decolourized aloe gel, not only Fresh mesophyll of aloe can be processed into 0: 1 freeze dried powder of decolored aloe gel 10:1 that meets the food-grade standard, and be a kind of industrialized preparing process, improved the productivity effect of 0: 1 freeze dried powder of decolored aloe gel 10:1 greatly, the supply in China aloe raw material market and the development of aloe industry have been had significance.

100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel are: be raw material with the Fresh mesophyll of aloe, and it is auxilliary with maltodextrin, organoleptic indicator with the aloe raw material converted products, physical and chemical index, sanitary indexs etc. are quality index, with country and industry relevant food health regulation, standard is the target level of product quality foundation, according to selecting materials → cleaning and sterilization → peeling → making beating → homogeneous → dehydration → auxilliary matrix → decolouring → this technological process of production of filtration → sterilization → freeze drying → packing → product, 100: 1 freeze dried powders of processing food grade up to standard decolourized aloe gel of adding that experiment is determined.

Adopt such scheme, but 0: 1 freeze dried powder product of decolored aloe gel 10:1 of processing accord with Q B/T2489-2000 standard.This products characteristics: the canescence fine powder, purity is 50%, quality spy is excellent.Because of whole process adopts the normal temperature processing technology, so the aloe bioactive ingredients keeps well.Product can use for senior aloe health-care food and the manufacturing of OTC medicine.

The specific embodiment of 100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel, do as detailed below:

The production environment condition: producing 100: 1 freeze dried powders of food grade up to standard decolourized aloe gel will finish in the cleaning sterile workshop of GMP compatible, and the air cleaning rank reaches 100,000 grade standards.This environmental requirement is to propose by aloe raw material product machining experiment up to standard.

Select materials: select for use by the nuisanceless standard plantation and the fresh blade of aloe barbadensis Miller in growth 2 anniversaries of expiration, rejecting has the scab position; Should be controlled within 8 hours from aloe plant harvesting blade to factory process.This technological requirement is to carry out mould by the GB4789.15-1994 detection method to grow contrast experiment's result determined.The Fresh leaf of aloe sheet that is mechanically damaged when experimental results show that harvesting is under condition more than 15 ℃, and the blade injury position will have mould to produce after 8 hours.

Cleaning and sterilization: divided for three steps carried out.The first step is put into the XY type recirculated water cleaning machine made from stainless steel with the Fresh leaf of aloe after selecting materials, and cleans Fresh leaf of aloe surface silt with the clean water that meets national drinking water standard.Second step put into the cleaning and sterilizing pond immersion that fills Ozone Water with Fresh leaf of aloe and carried out sterilizing in 5 minutes.Ozone Water is to enter certain density ozone that ozone generator produces by pretreated air to enter in the water of cleaning and sterilizing pond formedly after gas-liquid mixing pump mixes, and the ozone concentration of its Ozone Water should be controlled at 10-20mg/m ³The 3rd step was put into mobile sterilized water rinsing 5 minutes with Fresh leaf of aloe.This technological requirement is determined by total plate count assay method and the experimental result of GB4789.2-1994.

Peeling: with the peeling machine that stainless steel is made, with the Fresh leaf of aloe de-epithelization behind the cleaning and sterilization, it is standby to get meat.Handle through peeling, the Aloe mesophyll income rate is 82-87%, and fresh aloe skin income rate is 13-18%, and its fresh aloe micromicro is processed other aloe raw material product.This is the data of gained by experiment.

Making beating: the Fresh mesophyll of aloe after the beater made from stainless steel will be removed the peel breaks into aloe juice.

Homogeneous: after adopting colloid mill that aloe juice is carried out grinding technics, enter the homogenizer homogeneous again.

Dehydration: with centrifugal dehydration equipment aloe juice is dewatered, it is thorough more good more to dewater.The water of deviating from from aloe juice is aloe gel stoste.After the dehydration, the fresh aloe slag that obtains can be processed other aloe raw material product.Through processed, aloe gel stoste income rate is 96～98%, and fresh aloe slag income rate is 2～4%.This is the data of gained by experiment.

Assist and add matrix: in aloe gel stoste, add and meet the maltodextrin that food hygiene requires.Addition is 0.5% of the former liquid measure of aloe gel.Aloe gel stoste solid content is 0.5%, and after the adding matrix, solid content reaches 1% in the aloe gel stoste, so mark at 0: 1 with aloe gel 10:1.

Decolouring: the aloe gel stoste that obtains after the coarse filtration through the dehydration processing of decolouring.Adsorption decoloring method is adopted in the decolouring of aloe gel stoste, and adsorbent uses the fine powder active carbon.Fine powder active carbon addition is 1.5% of an aloe gel stoste weight.During operation, the aloe gel stoste with behind the adding fine powder active carbon makes its temperature bring up to 48 ℃～50 ℃, and the time kept 20 minutes, was cooled to normal temperature then.This technological requirement is determined according to experimental result.

Filter: will adopt the deckle board pressure filter remove the charcoal absorption thing through the aloe gel stoste after decolouring is handled, and remaining colloid, fiber and impurity etc. in the aloe gel stoste.

Sterilization: the sterilization of decolored aloe gelin proportion collagen solution is to guarantee the constant important step of aloe stable components.Sterilizing methods adopts pasteurization, and sterilising temp is controlled at 70 ℃, and sterilization time is 20min.This technological requirement is determined by decolored aloe gelin proportion collagen solution sterilization experiment.

Freeze drying: the decolored aloe gelin proportion collagen solution after will sterilizing enters the freeze drying equipment apparatus system and carries out freeze drying.Freeze drying claims drying bu sublimation again.The freeze drying equipment apparatus system is made up of devices such as vacuum drying cabinet, vavuum pump, condensers, it freezes to aloe gel stoste below freezing earlier, make moisture become solid ice, improve hothouse vacuum then, when pressure is lower than under the three phase point pressure, solid ice will be converted into steam and remove, thereby reaches dry purpose.Because contain 1% solid content in the aloe gel stoste, its chill point is lower than 0 ℃, actual between-4 ℃ to-6 ℃, therefore, the indoor absolute pressure of vacuum drying need be controlled at below the 0.532KPa during freeze drying.This technological requirement is determined by experiment.After aloe gel stoste was freezed the ice crystal disappearance, lyophilization promptly came to an end.The dry powder that wait until this moment is 0: 1 freeze dried powder of decolored aloe gel 10:1, and this product carries out dry gained under cryogenic conditions, so kept the aloe biological activity to greatest extent.

Packing: with the not aluminium plastic bag vacuum packaging of oxygen flow, every bag of 1kg is advisable.

Product: be " 100: 1 freeze dried powders of food grade up to standard decolourized aloe gel ".

Organoleptic indicator: canescence fine powder; Smell (0.5% aqueous solution) has the aloe plant flavor, does not have other peculiar smell; Color stability (0.5% aqueous solution) is exposed to irradiation 6h under the ultraviolet lamp, does not change color.This is the index of determining by QB/T2489-2000 detection method and experimental result.

Physical and chemical index: absorbance (400nm, 0.5% aqueous solution)≤0.10; PH value (0.5% aqueous solution) is 3.5-4.7; Moisture content (%)≤5.0; Calcium (mg/kg) 〉=9.80 * 10 ³Magnesium (mg/kg) 〉=2.34 * 10 ³Aloe polysaccharide (mg/kg) 〉=6.00 * 10 ⁴Aloin (mg/kg)≤5.00 * 10 ³This is the index of determining by QB/T2489-2000 detection method and experimental result.

Sanitary index: plumbous (mg/kg)≤0.3; Mercury (mg/kg)≤0.01; Arsenic (mg/kg)≤0.2; Total plate count (individual/g)≤100; Coliform (MPN/100g)≤3; Mould (individual/g)≤10; Pathogenic bacteria are (individual/as g) must not to detect.This is by detection method and the definite indexs of experimental result such as GB/T5009.12-1996, GB/T5009.17-1996, GB/T5009.11-1996, GB4789.2-1994, GB4789.3-1994, GB4789.15-1994, GB4789.4-1994.

Claims (3)

1,100: 1 freeze drying powder producing methods of a kind of food grade up to standard decolourized aloe gel.It is characterized in that: be raw material with the Fresh mesophyll of aloe, and it is auxilliary with maltodextrin, with the organoleptic indicator of aloe raw material converted products, physical and chemical index, sanitary index etc. is quality index, with country and industry relevant food health regulation, standard is the target level of product quality foundation, according to selecting materials → cleaning and sterilization → peeling → making beating → homogeneous → dehydration → auxilliary matrix → decolouring → this technological process of production of filtration → sterilization → freeze drying → packing → product, 100: 1 freeze dried powders of processing food grade up to standard decolourized aloe gel of adding that experiment is determined.

2,100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel according to claim 1, it is characterized in that: the technological process of production and processing method are defined as, select materials: select for use by the nuisanceless standard plantation and the fresh blade of aloe barbadensis Miller in growth 2 anniversaries of expiration, rejecting has the scab position; Should be controlled within 8 hours from aloe plant harvesting blade to factory process.Cleaning and sterilization: divided for three steps carried out.The first step is put into the XY type recirculated water cleaning machine made from stainless steel with the Fresh leaf of aloe after selecting materials, and cleans Fresh leaf of aloe surface silt with the clean water that meets national drinking water standard.Second step put into the cleaning and sterilizing pond immersion that fills Ozone Water with Fresh leaf of aloe and carried out sterilizing in 5 minutes.The 3rd step was put into mobile sterilized water rinsing 5 minutes with Fresh leaf of aloe.Peeling: with the peeling machine that stainless steel is made, with the Fresh leaf of aloe de-epithelization behind the cleaning and sterilization, it is standby to get meat.Making beating: the Fresh mesophyll of aloe after the beater made from stainless steel will be removed the peel breaks into aloe juice.Homogeneous: after adopting colloid mill that aloe juice is carried out grinding technics, enter the homogenizer homogeneous again.Dehydration: with centrifugal dehydration equipment aloe juice is dewatered, it is thorough more good more to dewater.Assist and add matrix: in aloe gel stoste, add and meet the maltodextrin that food hygiene requires, addition is 0.5% of the former liquid measure of aloe gel, makes the solid content in the aloe gel stoste bring up to 1% by 0.5%.Decolouring: the aloe gel stoste that obtains after the coarse filtration through the dehydration processing of decolouring.Adsorption decoloring method is adopted in the decolouring of aloe gel stoste, and adsorbent uses the fine powder active carbon.Fine powder active carbon addition is 1.5% of an aloe gel stoste weight.During operation, the aloe gel stoste with behind the adding fine powder active carbon makes its temperature bring up to 48 ℃～50 ℃, and the time kept 20 minutes, was cooled to normal temperature then.Filter: will adopt the deckle board pressure filter remove the charcoal absorption thing through the aloe gel stoste after decolouring is handled, and remaining colloid, fiber and impurity etc. in the aloe gel stoste.Sterilization: adopt pasteurization, sterilising temp is controlled at 70 ℃, and sterilization time is 20min.Freeze drying: the decolored aloe gelin proportion collagen solution after will sterilizing enters the freeze drying equipment apparatus system and carries out freeze drying.Because contain 1% solid content in the aloe gel stoste, its chill point is lower than 0 ℃, actual between-4 ℃ to-6 ℃, therefore, the indoor absolute pressure of vacuum drying need be controlled at below the 0.532KPa during freeze drying.After aloe gel stoste was freezed the ice crystal disappearance, lyophilization promptly came to an end.The dry powder that wait until this moment is 0: 1 freeze dried powder of decolored aloe gel 10:1.Packing: with the not aluminium plastic bag vacuum packaging of oxygen flow, every bag of 1kg is advisable.Product: be " 100: 1 freeze dried powders of food grade up to standard decolourized aloe gel ".

3,100: 1 freeze drying powder producing methods of food grade up to standard decolourized aloe gel according to claim 1 is characterized in that: the organoleptic indicator who determines is the canescence fine powder; Smell (0.5% aqueous solution) has the aloe plant flavor, does not have other peculiar smell; Color stability (0.5% aqueous solution) is exposed to irradiation 6h under the ultraviolet lamp, does not change color.The physical and chemical index of determining is absorbance (400nm, 0.5% aqueous solution)≤0.10; PH value (0.5% aqueous solution) is 3.5-4.7; Moisture content (%)≤5.0; Calcium (mg/kg) 〉=9.80 * 10 ³Magnesium (mg/kg) 〉=2.34 * 10 ³Aloe polysaccharide (mg/kg) 〉=6.00 * 10 ⁴Aloin (mg/kg)≤5.00 * 10 ³The sanitary index of determining is plumbous (mg/kg)≤0.3; Mercury (mg/kg)≤0.01; Arsenic (mg/kg)≤0.2; Total plate count (individual/g)≤100; Coliform (MPN/100g)≤3; Mould (individual/g)≤10; Pathogenic bacteria are (individual/as g) must not to detect.