CN105994585A - Processing method for vacuum freeze-dried lentinus edodes - Google Patents
Processing method for vacuum freeze-dried lentinus edodes Download PDFInfo
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- CN105994585A CN105994585A CN201610138487.9A CN201610138487A CN105994585A CN 105994585 A CN105994585 A CN 105994585A CN 201610138487 A CN201610138487 A CN 201610138487A CN 105994585 A CN105994585 A CN 105994585A
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- 235000001715 Lentinula edodes Nutrition 0.000 title claims abstract description 77
- 240000000599 Lentinula edodes Species 0.000 title claims abstract description 77
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000001291 vacuum drying Methods 0.000 claims abstract description 23
- 238000004108 freeze drying Methods 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000010025 steaming Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000007710 freezing Methods 0.000 claims abstract description 6
- 230000008014 freezing Effects 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 206010039509 Scab Diseases 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000004821 distillation Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 5
- 230000007480 spreading Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 6
- 235000015097 nutrients Nutrition 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 238000009777 vacuum freeze-drying Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 29
- 235000013305 food Nutrition 0.000 description 14
- 235000016709 nutrition Nutrition 0.000 description 6
- 238000002372 labelling Methods 0.000 description 5
- 239000003205 fragrance Substances 0.000 description 4
- 239000002932 luster Substances 0.000 description 3
- 235000014347 soups Nutrition 0.000 description 3
- 241000233866 Fungi Species 0.000 description 2
- 206010033546 Pallor Diseases 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 235000020930 dietary requirements Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 235000013402 health food Nutrition 0.000 description 1
- 235000004213 low-fat Nutrition 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 235000008935 nutritious Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/02—Dehydrating; Subsequent reconstitution
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/148—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses a processing method for vacuum freeze-dried lentinus edodes, wherein the production method comprises the following steps: a, pretreating lentinus edodes; b, cutting; c, steaming; d, cooling and draining; e, placing in a disc, and carrying out quick freezing; f, carrying out vacuum freeze drying: sending the freeze-dried material into a closed container of a vacuum drying system, under a condition of the vacuum degree of 0-60 Pa, heating and drying for 18-32 hours, moreover, making the final temperature of a finished product not exceed 68 DEG C, and sublimating to dehydrate and dry to obtain the finished product; g, sorting; h, carrying out metal detection; and i, firstly, loading the product into a clean and hygienic double-layer food-grade plastic bag, and then sealing a mouth. The method has the advantages that nutrient substances in the lentinus edodes are retained to a greatest extent, the preservation period of the freeze-dried lentinus edodes is prolonged, and the method is a freeze-drying process route customized specifically for the lentinus edodes, so that the lentinus edodes can achieve the best freeze-drying effect.
Description
Technical field
The present invention relates to the technical field of food-processing method, more particularly to the technical field of food drying method.
Background technology
Lentinus Edodes is second-biggest-in-the-world edible fungi, one of Ye Shi China special product, at the title have " delicacy from mountain " among the people.It is a kind of fungus being grown on timber, delicious flavour, and fragrance oozes people, nutritious, is high protein, low-fat nutritional health food.After Lentinus Edodes is plucked, due to himself metabolic activity and Repiration, make Lentinus Edodes the most corrupt, typically it is dried process, to facilitate storage, to transport and sell, also allow for eating simultaneously.Lentinus Edodes is one of food materials that instant class soup product is conventional, and there is many drawbacks in traditional instant class soup product: one is that the Lentinus Edodes after dried has been combined by product the most from other multiple different food materials, and make its molding by adding the adjuvant such as edible glue, form several specific taste, not only product taste is single, choice is little, different food materials can not be combined by client according to self hobby, and the food that with the addition of adjuvant is the most natural, is unfavorable for that people's is healthy；Two is the method for the mode that completes many employings blanching of product food materials, and during carrying out blanching, part nutritional labeling enters in hot water, and this method easily causes the loss of food materials nutritional labeling；Three is that the drying mode of product food materials mostly is and dries, dries and boil dry, and by these traditional drying modes prepare drying food materials the most unhygienic, the most unsightly, not only have lost substantial amounts of nutrient substance, and the shelf-life of drying food materials is shorter, should not transport for long-distance at a distance and preserve for a long time, after traditional drying food materials rehydration, reduction effect is poor, food materials mouthfeel, fragrance, profile, color and luster and nutrient composition content after rehydration are the best, it is impossible to adapt to the needs of modern people's living standard.
Summary of the invention
The purpose of the present invention is contemplated to solve above-mentioned deficiency and provides one to be specifically designed for Lentinus Edodes self character and formulate drying process, product rehydration is good, after rehydration, mouthfeel and color and luster tool are good, pure natural, good looking appearance, at utmost retained product nutritional labeling, long shelf-life, the processing method being beneficial to the vacuum lyophilization Lentinus Edodes of long-distance transport.
The present invention is to solve above-mentioned technical problem and the technical solution used is as follows:
A kind of processing method of vacuum lyophilization Lentinus Edodes, its manufacture method is as follows:
A, Lentinus Edodes pretreatment: selecting fresh Lentinus Edodes is raw material, sawdust in new fresh mushroom and impurity are manually processed clean with shears, guarantee Lentinus Edodes quality inspection free from admixture, without scab, Lentinus Edodes after extracing foreign material first uses giant to be carried out, then repeatedly cleaned up by high pressure bubble washer, re-use hair impurity removing machine and again Lentinus Edodes is carried out, carry out selected finally by selecting platform flow waterline；
B, cut type: the Lentinus Edodes after using special cut type machine that essence is chosen cleaning is diced, cut into slices or cutting, and specification of dicing is 8*8*8 millimeter, section and cutting are undetermined according to production requirement；
C, steam: the Lentinus Edodes that cut type is good is put into steam box, steam treatment 19～35 minutes, the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning was 25 DEG C～30 DEG C, through 1～2 minute, steam the temperature inside the box and be upgraded to 80 DEG C～90 DEG C, then constant temperature 3～5 minutes；Again through 2～4 minutes, steam the temperature inside the box and be upgraded to 100 DEG C～110 DEG C, followed by constant temperature 8～15 minutes；Again through 2～4 minutes, steam the temperature inside the box and reduce to 85 DEG C～95 DEG C, last constant temperature 3～end in 5 minutes；
D, cooling, dewatering: being put into by the above-mentioned Lentinus Edodes steamed in water and cool down 2～3 minutes, reach 38 DEG C～42 DEG C to temperature of charge, dewatering is standby；
E, paving dish, anxious freeze: above-mentioned cooling the material that drains are spread in material disc, then send into freeze tunnel carry out anxious freezing by spreading the good material of dish, utilize 2～3 hours, material center temperature is down to-15 DEG C～-20 DEG C；
F, vacuum lyophilization: by the hermetic container of the anxious material frozen feeding vacuum drying system, heat drying 18～32 hours under the vacuum degree condition of 0～60Pa, and make product final temperature not can exceed that 68 DEG C, because of distillation, dehydrate becomes finished product；During described heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 18 DEG C～22 DEG C；Through 15～25 minutes, temperature of heating plate was upgraded to 110 DEG C～115 DEG C, then constant temperature 2～4 hours；Again through 5～8 minutes, temperature of heating plate reduced to 102 DEG C～108 DEG C, followed by constant temperature 3～5 hours；Again through 8～12 minutes, temperature of heating plate reduced to 90 DEG C～100 DEG C, followed by constant temperature 2～4 hours；Again through 8～12 minutes, temperature of heating plate was upgraded to 105 DEG C～110 DEG C, followed by constant temperature 3～5 hours；Again through 8～12 minutes, temperature of heating plate reduced to 85 DEG C～95 DEG C, followed by constant temperature 4～6 hours；Again through 5～8 minutes, temperature of heating plate reduces to 75 DEG C～85 DEG C, and last constant temperature 4～6 hours are upgraded to 62 DEG C～68 DEG C end to temperature of charge；
G, sorting: after vacuum drying terminates, material is taken out from the hermetic container of vacuum drying system, the product having foreign body is weeded out；
H, metal detection: product is crossed metal detector (sensitivity ferrum: 1.0mm, non-ferric: 1.2mm) detection；
I, first the Double-layer food-grade plastic bag of use clean hygiene load product, then seal.
Described steam during, the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning is 26 DEG C, through 2 minutes, steam the temperature inside the box be upgraded to 85 DEG C, then constant temperature 4 minutes；Again through 3 minutes, steam the temperature inside the box and be upgraded to 105 DEG C, followed by constant temperature 10 minutes；Again through 3 minutes, steaming the temperature inside the box and reduce to 90 DEG C, last constant temperature terminates for 4 minutes.
During described vacuum lyophilization, during heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 20 DEG C；Through 20 minutes, temperature of heating plate was upgraded to 110 DEG C, then constant temperature 3 hours；Again through 5 minutes, temperature of heating plate reduced to 105 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 98 DEG C, followed by constant temperature 3 hours；Again through 10 minutes, temperature of heating plate was upgraded to 106 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 90 DEG C, followed by constant temperature 5 hours；Again through 5 minutes, temperature of heating plate reduces to 80 DEG C, and last constant temperature is upgraded to 65 DEG C of end to temperature of charge in 5 hours.
The present invention uses above-mentioned technical solution can reach to provide the benefit that: the food materials of traditional instant class soup product carry out separately individually dried, client can select different food materials according to self hobby and be combined, and significantly meets the diversified dietary requirements of client；This freeze-drying processing method uses the mode that steams to complete Lentinus Edodes process, farthest remains the nutrient substance in Lentinus Edodes；Owing to this drying means is carried out under low temperature, low pressure, the moisture in Lentinus Edodes directly distils, and physical arrangement and the molecule structure change of Lentinus Edodes are minimum so that the dried shape of Lentinus Edodes has almost no change, and maintains the original shape of Lentinus Edodes well；Lentinus Edodes is dried by the method at low temperatures, protein is not made to produce degeneration, making microorganism lose biologos, volatile ingredient in Lentinus Edodes and the nutritional labeling of heated denaturalization and fragrance ingredient loss are the least, farthest remain the original mouthfeel of Lentinus Edodes, nutritional labeling and fragrance；The method is dried under vacuum conditions, and oxygen is few, makes oxidizable material be protected, farthest maintains the original color and luster of Lentinus Edodes；This freeze drying process can remove the moisture of 95-99.5% in Lentinus Edodes, extends the storage life of lyophilizing Lentinus Edodes to greatest extent；The method is in dry run, and Lentinus Edodes does not exist Surface hardened layer problem, and it is internally formed the spongy of porous, thus has the rehydration of excellence, can recover the state before being dried at short notice；The freeze-drying curve of this freeze drying process gets through repetition test, is specific to the lyophilizing process route that Lentinus Edodes is customized, and makes Lentinus Edodes reach optimal effect.
Detailed description of the invention
Embodiment 1: the processing method of a kind of vacuum lyophilization Lentinus Edodes, its manufacture method is as follows:
A, Lentinus Edodes pretreatment: selecting fresh Lentinus Edodes is raw material, sawdust in new fresh mushroom and impurity are manually processed clean with shears, guarantee Lentinus Edodes quality inspection free from admixture, without scab, Lentinus Edodes after extracing foreign material first uses giant to be carried out, then repeatedly cleaned up by high pressure bubble washer, re-use hair impurity removing machine and again Lentinus Edodes is carried out, carry out selected finally by selecting platform flow waterline；
B, cut type: the Lentinus Edodes after using special cut type machine that essence is chosen cleaning is diced, cut into slices or cutting, and specification of dicing is 8*8*8 millimeter, section and cutting are undetermined according to production requirement；
C, steam: the Lentinus Edodes that cut type is good is put into steam box, steam treatment 26 minutes, and the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning is 26 DEG C, through 2 minutes, steam the temperature inside the box and be upgraded to 85 DEG C, then constant temperature 4 minutes；Again through 3 minutes, steam the temperature inside the box and be upgraded to 105 DEG C, followed by constant temperature 10 minutes；Again through 3 minutes, steaming the temperature inside the box and reduce to 90 DEG C, last constant temperature terminates for 4 minutes；
D, cooling, dewatering: being put into by the above-mentioned Lentinus Edodes steamed in water and cool down 3 minutes, reach 40 DEG C to temperature of charge, dewatering is standby；
E, paving dish, anxious freeze: above-mentioned cooling the material that drains are spread in material disc, then send into freeze tunnel carry out anxious freezing by spreading the good material of dish, utilize 3 hours, material center temperature is down to-20 DEG C；
F, vacuum lyophilization: the anxious material frozen is sent in the hermetic container of vacuum drying system, heat drying 25 hours under the vacuum degree condition of 60Pa, and make product final temperature not can exceed that 68 DEG C, because of distillation, dehydrate becomes finished product；During described heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 20 DEG C；Through 20 minutes, temperature of heating plate was upgraded to 110 DEG C, then constant temperature 3 hours；Again through 5 minutes, temperature of heating plate reduced to 105 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 98 DEG C, followed by constant temperature 3 hours；Again through 10 minutes, temperature of heating plate was upgraded to 106 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 90 DEG C, followed by constant temperature 5 hours；Again through 5 minutes, temperature of heating plate reduces to 80 DEG C, and last constant temperature is upgraded to 65 DEG C of end to temperature of charge in 5 hours；
G, sorting: after vacuum drying terminates, material is taken out from the hermetic container of vacuum drying system, the product having foreign body is weeded out；
H, metal detection: product is crossed metal detector (sensitivity ferrum: 1.0mm, non-ferric: 1.2mm) detection；
I, first the Double-layer food-grade plastic bag of use clean hygiene load product, then seal.
Embodiment 2: the processing method of a kind of vacuum lyophilization Lentinus Edodes, its manufacture method is as follows:
A, Lentinus Edodes pretreatment: selecting fresh Lentinus Edodes is raw material, sawdust in new fresh mushroom and impurity are manually processed clean with shears, guarantee Lentinus Edodes quality inspection free from admixture, without scab, Lentinus Edodes after extracing foreign material first uses giant to be carried out, then repeatedly cleaned up by high pressure bubble washer, re-use hair impurity removing machine and again Lentinus Edodes is carried out, carry out selected finally by selecting platform flow waterline；
B, cut type: the Lentinus Edodes after using special cut type machine that essence is chosen cleaning is diced, cut into slices or cutting, and specification of dicing is 8*8*8 millimeter, section and cutting are undetermined according to production requirement；
C, steam: the Lentinus Edodes that cut type is good is put into steam box, steam treatment 19 minutes, and the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning is 25 DEG C, through 1 minute, steam the temperature inside the box and be upgraded to 80 DEG C, then constant temperature 3 minutes；Again through 2 minutes, steam the temperature inside the box and be upgraded to 100 DEG C, followed by constant temperature 8 minutes；Again through 2 minutes, steaming the temperature inside the box and reduce to 85 DEG C, last constant temperature terminates for 3 minutes；
D, cooling, dewatering: being put into by the above-mentioned Lentinus Edodes steamed in water and cool down 2 minutes, reach 38 DEG C to temperature of charge, dewatering is standby；
E, paving dish, anxious freeze: above-mentioned cooling the material that drains are spread in material disc, then send into freeze tunnel carry out anxious freezing by spreading the good material of dish, utilize 2 hours, material center temperature is down to-15 DEG C；
F, vacuum lyophilization: the anxious material frozen is sent in the hermetic container of vacuum drying system, heat drying 19 hours under the vacuum degree condition of 0Pa, and make product final temperature not can exceed that 68 DEG C, because of distillation, dehydrate becomes finished product；During described heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 18 DEG C；Through 18 minutes, temperature of heating plate was upgraded to 110 DEG C, then constant temperature 2 hours；Again through 6 minutes, temperature of heating plate reduced to 102 DEG C, followed by constant temperature 3 hours；Again through 10 minutes, temperature of heating plate reduced to 90 DEG C, followed by constant temperature 2 hours；Again through 8 minutes, temperature of heating plate was upgraded to 105 DEG C, followed by constant temperature 3 hours；Again through 10 minutes, temperature of heating plate reduced to 85 DEG C, followed by constant temperature 4 hours；Again through 8 minutes, temperature of heating plate reduces to 75 DEG C, last constant temperature 4 hours, is upgraded to 62 DEG C of end to temperature of charge；
G, sorting: after vacuum drying terminates, material is taken out from the hermetic container of vacuum drying system, the product having foreign body is weeded out；
H, metal detection: product is crossed metal detector (sensitivity ferrum: 1.0mm, non-ferric: 1.2mm) detection；
I, first the Double-layer food-grade plastic bag of use clean hygiene load product, then seal.
Embodiment 3: the processing method of a kind of vacuum lyophilization Lentinus Edodes, its manufacture method is as follows:
A, Lentinus Edodes pretreatment: selecting fresh Lentinus Edodes is raw material, sawdust in new fresh mushroom and impurity are manually processed clean with shears, guarantee Lentinus Edodes quality inspection free from admixture, without scab, Lentinus Edodes after extracing foreign material first uses giant to be carried out, then repeatedly cleaned up by high pressure bubble washer, re-use hair impurity removing machine and again Lentinus Edodes is carried out, carry out selected finally by selecting platform flow waterline；
B, cut type: the Lentinus Edodes after using special cut type machine that essence is chosen cleaning is diced, cut into slices or cutting, and specification of dicing is 8*8*8 millimeter, section and cutting are undetermined according to production requirement；
C, steam: the Lentinus Edodes that cut type is good is put into steam box, steam treatment 35 minutes, and the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning is 30 DEG C, through 2 minutes, steam the temperature inside the box and be upgraded to 90 DEG C, then constant temperature 5 minutes；Again through 4 minutes, steam the temperature inside the box and be upgraded to 110 DEG C, followed by constant temperature 15 minutes；Again through 4 minutes, steaming the temperature inside the box and reduce to 95 DEG C, last constant temperature terminates for 5 minutes；
D, cooling, dewatering: being put into by the above-mentioned Lentinus Edodes steamed in water and cool down 3 minutes, reach 42 DEG C to temperature of charge, dewatering is standby；
E, paving dish, anxious freeze: above-mentioned cooling the material that drains are spread in material disc, then send into freeze tunnel carry out anxious freezing by spreading the good material of dish, utilize 2.5 hours, material center temperature is down to-18 DEG C；
F, vacuum lyophilization: the anxious material frozen is sent in the hermetic container of vacuum drying system, heat drying 31 hours under the vacuum degree condition of 50Pa, and make product final temperature not can exceed that 68 DEG C, because of distillation, dehydrate becomes finished product；During described heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 22 DEG C；Through 22 minutes, temperature of heating plate was upgraded to 115 DEG C, then constant temperature 4 hours；Again through 5 minutes, temperature of heating plate reduced to 108 DEG C, followed by constant temperature 5 hours；Again through 12 minutes, temperature of heating plate reduced to 100 DEG C, followed by constant temperature 4 hours；Again through 8 minutes, temperature of heating plate was upgraded to 110 DEG C, followed by constant temperature 5 hours；Again through 8 minutes, temperature of heating plate reduced to 95 DEG C, followed by constant temperature 6 hours；Again through 5 minutes, temperature of heating plate reduces to 85 DEG C, last constant temperature 6 hours, is upgraded to 68 DEG C of end to temperature of charge；
G, sorting: after vacuum drying terminates, material is taken out from the hermetic container of vacuum drying system, the product having foreign body is weeded out；
H, metal detection: product is crossed metal detector (sensitivity ferrum: 1.0mm, non-ferric: 1.2mm) detection；
I, first the Double-layer food-grade plastic bag of use clean hygiene load product, then seal.
Claims (3)
1. the processing method of a vacuum lyophilization Lentinus Edodes, it is characterised in that its manufacture method is as follows:
A, Lentinus Edodes pretreatment: selecting fresh Lentinus Edodes is raw material, sawdust in new fresh mushroom and impurity are manually processed clean with shears, guarantee Lentinus Edodes quality inspection free from admixture, without scab, Lentinus Edodes after extracing foreign material first uses giant to be carried out, then repeatedly cleaned up by high pressure bubble washer, re-use hair impurity removing machine and again Lentinus Edodes is carried out, carry out selected finally by selecting platform flow waterline；
B, cut type: the Lentinus Edodes after using special cut type machine that essence is chosen cleaning is diced, cut into slices or cutting, and specification of dicing is 8*8*8 millimeter, section and cutting are undetermined according to production requirement；
C, steam: the Lentinus Edodes that cut type is good is put into steam box, steam treatment 19～35 minutes, the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning was 25 DEG C～30 DEG C, through 1～2 minute, steam the temperature inside the box and be upgraded to 80 DEG C～90 DEG C, then constant temperature 3～5 minutes；Again through 2～4 minutes, steam the temperature inside the box and be upgraded to 100 DEG C～110 DEG C, followed by constant temperature 8～15 minutes；Again through 2～4 minutes, steam the temperature inside the box and reduce to 85 DEG C～95 DEG C, last constant temperature 3～end in 5 minutes；
D, cooling, dewatering: being put into by the above-mentioned Lentinus Edodes steamed in water and cool down 2～3 minutes, reach 38 DEG C～42 DEG C to temperature of charge, dewatering is standby；
E, paving dish, anxious freeze: above-mentioned cooling the material that drains are spread in material disc, then send into freeze tunnel carry out anxious freezing by spreading the good material of dish, utilize 2～3 hours, material center temperature is down to-15 DEG C～-20 DEG C；
F, vacuum lyophilization: by the hermetic container of the anxious material frozen feeding vacuum drying system, heat drying 18～32 hours under the vacuum degree condition of 0～60Pa, and make product final temperature not can exceed that 68 DEG C, because of distillation, dehydrate becomes finished product；During described heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 18 DEG C～22 DEG C；Through 15～25 minutes, temperature of heating plate was upgraded to 110 DEG C～115 DEG C, then constant temperature 2～4 hours；Again through 5～8 minutes, temperature of heating plate reduced to 102 DEG C～108 DEG C, followed by constant temperature 3～5 hours；Again through 8～12 minutes, temperature of heating plate reduced to 90 DEG C～100 DEG C, followed by constant temperature 2～4 hours；Again through 8～12 minutes, temperature of heating plate was upgraded to 105 DEG C～110 DEG C, followed by constant temperature 3～5 hours；Again through 8～12 minutes, temperature of heating plate reduced to 85 DEG C～95 DEG C, followed by constant temperature 4～6 hours；Again through 5～8 minutes, temperature of heating plate reduces to 75 DEG C～85 DEG C, and last constant temperature 4～6 hours are upgraded to 62 DEG C～68 DEG C end to temperature of charge；
G, sorting: after vacuum drying terminates, material is taken out from the hermetic container of vacuum drying system, the product having foreign body is weeded out；
H, metal detection: product is crossed metal detector (sensitivity ferrum: 1.0mm, non-ferric: 1.2mm) detection；
I, first the Double-layer food-grade plastic bag of use clean hygiene load product, then seal.
The processing method of a kind of vacuum lyophilization Lentinus Edodes the most according to claim 1, it is characterized in that: described in steam during, the variations in temperature in steam box is as follows: steaming the temperature inside the box during beginning was 26 DEG C, through 2 minutes, steam the temperature inside the box and be upgraded to 85 DEG C, then constant temperature 4 minutes；Again through 3 minutes, steam the temperature inside the box and be upgraded to 105 DEG C, followed by constant temperature 10 minutes；Again through 3 minutes, steaming the temperature inside the box and reduce to 90 DEG C, last constant temperature terminates for 4 minutes.
The processing method of a kind of vacuum lyophilization Lentinus Edodes the most according to claim 1, it is characterized in that: during described vacuum lyophilization, during heat drying, in vacuum drying system equipment, the variations in temperature of heating plate is as follows: during beginning, temperature of heating plate is 20 DEG C；Through 20 minutes, temperature of heating plate was upgraded to 110 DEG C, then constant temperature 3 hours；Again through 5 minutes, temperature of heating plate reduced to 105 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 98 DEG C, followed by constant temperature 3 hours；Again through 10 minutes, temperature of heating plate was upgraded to 106 DEG C, followed by constant temperature 4 hours；Again through 10 minutes, temperature of heating plate reduced to 90 DEG C, followed by constant temperature 5 hours；Again through 5 minutes, temperature of heating plate reduces to 80 DEG C, and last constant temperature is upgraded to 65 DEG C of end to temperature of charge in 5 hours.
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