CN1685983A - Production method of food grade up to standard decolourized full leaf aloe 100:1 freeze dried powder - Google Patents

Abstract

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

Description

100: 1 freeze drying powder producing methods of food grade up to standard decolourized full leaf aloe luxuriant growth

100: 1 freeze drying powder producing methods of food grade up to standard decolourized full leaf aloe luxuriant growth relate to the processing of aloe raw material product, and especially Fresh leaf of aloe being processed into industrialized form can be for the production method of 0: 1 freeze dried powder of decolored whole leaf aloe 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 full leaf aloe luxuriant growth 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 whole leaf aloe 10:1 is an aloe leaf 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 whole leaf aloe 10:1 is the important source material product that aloe health-care food and OTC medicine are made, with 0: 1 freeze dried powder of decolored whole leaf aloe 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 whole-leaf aloe 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 whole leaf aloe 10:1 not up to standard, unsuitable as making the use of 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 full leaf aloe luxuriant growth, not only Fresh leaf of aloe can be processed into 0: 1 freeze dried powder of decolored whole leaf aloe 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 whole leaf aloe 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 full leaf aloe luxuriant growth are: be raw material with the Fresh leaf of aloe, 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, select materials 100: 1 freeze dried powders of processing food grade up to standard decolourized full leaf aloe luxuriant growth → cleaning and sterilization → finishing → making beating → homogeneous → dehydration → decolouring → this technological process of production of filtration → sterilization → freeze drying → packing → product according to what experiment was determined.

Adopt such scheme, but 0: 1 freeze dried powder product of decolored whole leaf aloe 10:1 of processing accord with Q B/T2489-2000 standard.This products characteristics: the canescence fine powder, product are of fine quality.Because of whole process adopts the normal temperature processing technology, so the aloe bioactive ingredients keeps well.Product can use for 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 full leaf aloe luxuriant growth, do as detailed below:

The production environment condition: producing 100: 1 freeze dried powders of food grade up to standard decolourized full leaf aloe luxuriant growth 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.

Finishing: the Fresh leaf of aloe behind the cleaning and sterilization is repaired, excised bright blade root portion's white portion and blade tip, ream the thorn on leaf margin both sides.

Making beating: the beater made from stainless steel breaks into the aloe leaf slurry with Fresh leaf of aloe.

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

Dehydration: with centrifugal dehydration equipment the aloe leaf slurry is dewatered, it is thorough more good more to dewater.The water of deviating from from the aloe leaf slurry is aloe leaf Normal juice.After the dehydration, the fresh aloe skin slag that obtains can be processed other aloe raw material product.Through processed, aloe leaf Normal juice income rate is 80～85%, and fresh aloe skin slag income rate is 15～20%.This is the data of gained by experiment.

Decolouring: the aloe leaf Normal juice that obtains after the coarse filtration through the dehydration processing of decolouring.Adsorption decoloring method is adopted in the decolouring of aloe leaf Normal juice, and adsorbent uses the fine powder active carbon.Fine powder active carbon addition is 2% of an aloe leaf Normal juice weight.During operation, the aloe gel stoste with behind the adding fine powder active carbon makes its temperature bring up to 50 ℃～52 ℃, and the time kept 30 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 leaf Normal juice after decolouring is handled, and remaining colloid, fiber and impurity etc. in the aloe leaf Normal juice.

Sterilization: the sterilization of decolored whole-leaf aloe Normal juice 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 whole-leaf aloe Normal juice sterilization experiment.

Freeze drying: the decolored whole-leaf aloe Normal juice 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 leaf Normal juice 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 leaf Normal juice, 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 leaf Normal juice 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 whole leaf aloe 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 full leaf aloe luxuriant growth ".

Organoleptic indicator: canescence fine powder; Smell (1% aqueous solution) has the aloe plant flavor, does not have other peculiar smell; Color stability (1% 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, 1% aqueous solution)≤0.20; PH value (1% aqueous solution) is 3.5-4.7; Moisture content (%)≤8.0; Calcium (mg/kg) 〉=4.48 * 10 ⁴Magnesium (mg/kg) 〉=3.30 * 10 ³Aloe polysaccharide (mg/kg) 〉=3.00 * 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/g)≤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 full leaf aloe luxuriant growth.It is characterized in that: be raw material with the Fresh leaf of aloe, 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, select materials 100: 1 freeze dried powders of processing food grade up to standard decolourized full leaf aloe luxuriant growth → cleaning and sterilization → finishing → making beating → homogeneous → dehydration → decolouring → this technological process of production of filtration → sterilization → freeze drying → packing → product according to what experiment was determined.

2,100: 1 freeze drying powder producing methods of food grade up to standard decolourized full leaf aloe luxuriant growth 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.Finishing: the Fresh leaf of aloe behind the cleaning and sterilization is repaired, excised bright blade root portion's white portion and blade tip, ream the thorn on leaf margin both sides.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 the aloe leaf slurry is carried out grinding technics, enter the homogenizer homogeneous again.Dehydration: with centrifugal dehydration equipment the aloe leaf slurry is dewatered, it is thorough more good more to dewater.Decolouring: the aloe leaf Normal juice that obtains after the coarse filtration through the dehydration processing of decolouring.Adsorption decoloring method is adopted in the decolouring of aloe leaf Normal juice, and adsorbent uses the fine powder active carbon.Fine powder active carbon addition is 2% of an aloe leaf Normal juice weight.During operation, the aloe leaf Normal juice with behind the adding fine powder active carbon makes its temperature bring up to 50 ℃～52 ℃, and the time kept 30 minutes, was cooled to normal temperature then.Filter: will adopt the deckle board pressure filter remove the charcoal absorption thing through the aloe leaf Normal juice after decolouring is handled, and remaining colloid, fiber and impurity etc. in the aloe leaf Normal juice.Sterilization: adopt pasteurization, sterilising temp is controlled at 70 ℃, and sterilization time is 20min.Freeze drying: the decolored whole-leaf aloe Normal juice after will sterilizing enters the freeze drying equipment apparatus system and carries out freeze drying.Because contain 1% solid content in the aloe leaf Normal juice, 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 leaf Normal juice 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 whole leaf aloe 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 full leaf aloe luxuriant growth ".

3,100: 1 freeze drying powder producing methods of food grade up to standard decolourized full leaf aloe luxuriant growth according to claim 1 is characterized in that: the organoleptic indicator who determines is the canescence fine powder; Smell (1% aqueous solution) has the aloe plant flavor, does not have other peculiar smell; Color stability (1% 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, 1% aqueous solution)≤0.20; PH value (1% aqueous solution) is 3.5-4.7; Moisture content (%)≤8.0; Calcium (mg/kg) 〉=4.48 * 10 ⁴Magnesium (mg/kg) 〉=3.30 * 10 ³Aloe polysaccharide (mg/kg) 〉=3.00 * 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.