CN1685996A - Production method of food grade up to standard aloe gel concentrated dried powder - Google Patents

Abstract

A concentrated dry powdler of the food-class aloe gel for preparing health-care food or medicine is prepared from the fresh leaf meat of a kind of aloe through advanced process.

Description

Production method of food grade up to standard aloe gel concentrated dried powder

Production method of food grade up to standard aloe gel concentrated dried powder relates to aloe raw material product processing, and especially Fresh leaf of aloe being processed into industrialized form can be for the production method of the aloe gel concentrated dried powder of aloe health-care food and OTC medicine manufacturing use.

Production method of food grade up to standard aloe gel concentrated dried powder 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.Aloe gel concentrated dried powder is the important source material product that aloe health-care food and OTC medicine are made, with the aloe gel concentrated dried powder 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) the key technical indexes of defined of People's Republic of China's light industry standard " edible aloe goods ".Aloe gel concentrated dried powder not up to standard, unsuitable as making senior aloe health-care raw-food material use.

The present invention is to provide a kind of production method of food grade up to standard aloe gel concentrated dried powder, not only Fresh mesophyll of aloe can be processed into the aloe gel concentrated dried powder that meets the food-grade standard, and be a kind of industrialized preparing process, improved the productivity effect of aloe gel concentrated dried powder greatly, the supply in China aloe raw material market and the development of aloe industry have been had significance.

Production method of food grade up to standard aloe gel concentrated dried powder is: be raw material with the Fresh mesophyll 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, concentrate → this technological process of production of vacuum drying → grinding → packing → product the processing food grade up to standard aloe gel concentrated dried powder according to definite the selecting materials of experiment → cleaning and sterilization → peeling → making beating → homogeneous → dehydration → essence filter → sterilization → film.

Adopt such scheme, but the aloe gel concentrated dried powder product of processing accord with Q B/T2489-2000 standard.This products characteristics: pale powder, purity 100%, product are of fine quality, and because of whole process adopts the normal temperature processing technology, so the aloe bioactive ingredients keeps well, the aloe plant flavor is dense.Product can use for senior aloe health-care food and the manufacturing of OTC medicine.

The specific embodiment of production method of food grade up to standard aloe gel concentrated dried powder, do as detailed below:

The production environment condition: producing food grade up to standard aloe gel concentrated dried powder 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: the aloe peeling machine made from stainless steel, the skin of Fresh leaf of aloe is separated with meat, 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.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.

Smart filter: the aloe gel stoste that after centrifugal dehydration equipment coarse filtration, obtains, also have the thinner fibr tissue of part particle to be suspended in the juice, along with the resting period prolongs and can slowly sink, stable unfavorable to product.Therefore, adopt the centrifugal fine filter of ultrahigh speed to remove the thin sticking particle of slow (≤0.2 mm/second) of those sinking speed.

Sterilization: the sterilization of aloe gel stoste 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 aloe gel stoste sterilization experiment.

Film concentrates: the aloe gel stoste after will sterilize enters membrane separation concentrated compression apparatus, and to carry out film concentrated.Film concentrates biggest advantage, is to realize that normal temperature condition concentrates down, avoids in process Yin Wendu too high and the aloe bioactive ingredients is run off, and has kept the color and luster and the local flavor of product, has guaranteed the quality of product.It is to utilize the macromolecule pellicle that film separates, with the pressure differential of film both sides, when impelling some molecule in the fluid to see through pellicle and be retained down, to obtain a kind of isolation technics of some composition in the fluid.When by pellicle be solvent, then solution has obtained to concentrate, this process is exactly that film concentrates.The former liquid film of aloe gel concentrates, and should adopt the reverse osmosis separation method, and osmotic pressure should be controlled at 2.0～6.5MPa.This technological requirement is determined by the concentrated experimental result of the former liquid film of aloe gel.Concentrate through film, when the volume of concentrate reached 1/45th left and right sides of aloe gel stoste volume, the concentrate of this moment was a thick liquid, and stopper film concentrates.

Vacuum drying: adopt YZG, FZG vacuum drier that the aloe gel concentrate after concentrating through film is carried out vacuum drying.Vacuum drying is to utilize the vavuum pump dehumidifier of bleeding to make in the operating room and to form vacuum state, and aloe gel concentrate is in carries out heat drying under the static vacuum condition, its objective is that realization obtains higher rate of drying at a lower temperature, avoid aloe bioactivator Yin Wendu too high and run off.The vacuum drier vacuum pressure is controlled at below the 0.784MPa, and under-this condition of 0.1MPa, when heating-up temperature was 110 ℃, the vaporization rate of water can reach 7.2kg/m in the aloe gel concentrate ²H, this technological requirement is determined by the aloe gel concentrate drying experiment.Aloe gel concentrate has obtained material after vacuum drying treatment, be the aloe gel concentrate material.Aloe gel concentrate dry materials degree requires to reach water content below 8%.

Grind: pulverize with the aloe gel concentrate material of WFJ-30 type atomizer after with vacuum drying.The powder that obtains after crushed is an aloe gel concentrated dried powder.Fineness of powder is determined between 160 order to 200 orders, also can require to decide according to user enterprise.

Packing: use the sterile bag vacuum packaging, every bag of 2.5kg is advisable.

Product: be " food grade up to standard aloe gel concentrated dried powder ".

Organoleptic indicator: brown ceramic 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 (%)≤8.0; Calcium (mg/kg) 〉=1.96 * 10 ⁴Magnesium (mg/kg) 〉=4.68 * 10 ³Aloe polysaccharide (mg/kg) 〉=1.20 * 10 ³Aloin (mg/kg)≤1.00 * 10 ⁴This 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, a kind of production method of food grade up to standard aloe gel concentrated dried powder.It is characterized in that: be raw material with the Fresh mesophyll 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, concentrate → this technological process of production of vacuum drying → grinding → packing → product the processing food grade up to standard aloe gel concentrated dried powder according to definite the selecting materials of experiment → cleaning and sterilization → peeling → making beating → homogeneous → dehydration → essence filter → sterilization → film.

2, production method of food grade up to standard aloe gel concentrated dried powder 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: the aloe peeling machine made from stainless steel, the skin of Fresh leaf of aloe is separated with meat, 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.Smart filter: adopt the centrifugal fine filter of ultrahigh speed to remove the thin sticking particle of slow (≤0.2 mm/second) of those sinking speed.Film concentrates: the aloe gel stoste after will sterilize enters membrane separation concentrated compression apparatus, and to carry out film concentrated.The former liquid film of aloe gel concentrates, and should adopt the reverse osmosis separation method, and osmotic pressure should be controlled at 2.0～6.5MPa.Concentrate through film, when the volume of inspissated juice reached 1/45th left and right sides of aloe gel stoste volume, the concentrate of this moment was a thick liquid, and stopper film concentrates.Vacuum drying: adopt YZG, FZG vacuum drier that the aloe gel concentrate after concentrating through film is carried out vacuum drying.The vacuum drier vacuum pressure is controlled at below the 0.784MPa, and under-this condition of 0.1MPa, when heating-up temperature was 110 ℃, the vaporization rate of water can reach 7.2kg/m in the aloe gel concentrate ²H.Aloe gel concentrate has obtained material after vacuum drying treatment, be the aloe gel concentrate material.Aloe gel concentrate dry materials degree requires to reach water content below 8%.Grind: pulverize with the aloe gel concentrate material of WFJ-30 type atomizer after with vacuum drying.The dry powder that obtains after crushed is aloe gel concentrated dried powder, and fineness of powder is determined between 160 order to 200 orders, also can require to decide according to user enterprise.Packing: use the sterile bag vacuum packaging, every bag of 2.5kg is advisable.Product: be " food grade up to standard aloe gel concentrated dried powder ".

3, production method of food grade up to standard aloe gel concentrated dried powder according to claim 1 is characterized in that: the organoleptic indicator who determines is brown ceramic 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 (%)≤8.0; Calcium (mg/kg) 〉=1.96 * 10 ⁴Magnesium (mg/kg) 〉=4.68 * 10 ³Aloe polysaccharide (mg/kg) 〉=1.20 * 10 ³Aloin (mg/kg)≤1.00 * 10 ⁴The 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.