CN103478242A - Freshness-keeping method for fried peanuts - Google Patents
Freshness-keeping method for fried peanuts Download PDFInfo
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- CN103478242A CN103478242A CN201310375256.6A CN201310375256A CN103478242A CN 103478242 A CN103478242 A CN 103478242A CN 201310375256 A CN201310375256 A CN 201310375256A CN 103478242 A CN103478242 A CN 103478242A
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Abstract
The invention discloses a freshness-keeping method for fried peanuts. According to the freshness-keeping method, the freshness-keeping operation is implemented according to the following steps: A. weighing active components of a freshness-keeping liquid; B. preparing the freshness-keeping liquid: putting all the active components in the step A into a glass container; putting an ethanol liquid with the mass percentage concentration of 95% into the glass container and immersing for 2-3 hours; then putting the glass container into water for water bath at 60 DEG C for 8-10 hours; filtering a medicine liquid; putting the glass container filled with medicine dreg into water for the water bath at 60 DEG C for 8-10 hours; then filtering a medicine liquid again; combining the two medicine liquid and diluting the mixed liquid until the mass percentage concentration is 30%; naturally cooling to a room temperature to obtain a freshness-keeping liquid; putting the freshness-keeping liquid at 4 DEG C to be stored for future use; and C putting the tasty peanuts and immersing the tasty peanuts into a calcium chloride liquid; and spraying and sterilizing the peanuts by a disinfection chamber through electrolyzed water. The freshness-keeping method for the fried peanuts is simple in process, convenient to use, good in freshness-keeping effect and long in freshness-keeping time; in the freshness-keeping process, few preservatives and drying agents are used, so that the fried peanuts are good for human body health and environmental protection.
Description
Technical field
The present invention relates to food processing technology field, relate in particular to a kind of preservation method of frying peanut.
Background technology
The pod shell of peanut is hard, after maturation, does not ftracture, and the contracting of hanging (fruit waist) is arranged without tabula between chamber.Kind of Pi Youbai, pink, red, reddish brown, purple, the red white or purple different colours such as alternate in vain.Cotyledon accounts for more than 90% of seed gross weight.Plumule is hidden in the middle of the cotyledon of two plumpnesses, main bud and two cotyledonary node lateral buds, consists of.Each pod has 2～6 seeds, with 2 in the majority, be plain edition, axe-shaped, calabash shape or cocoon shape more.Peanut is the important oil crops of China and industrial crops, is also traditional large foreign exchange earning commodity.Along with significantly improving of China's expanding economy and living standards of the people, outer consumer is also more and more higher to peanut quality and security requirement.Therefore greatly develop peanut industry, improve the quality of peanut and goods thereof, can make a profit for vast plantation family extra earning.
Through stew in soy sauce, processing obtains corresponding saline taste, spices to peanut, the peanut of the various tastes such as milk flavor, process the fresh-keeping particularly important of peanut later, the store method of existing processing peanut later, mainly contain the methods such as indoor storage, Tibetan, outdoor grain bin and warehouse storage, these methods are except there being complex operation, beyond applicability is wide, cost investment is also larger, can not guarantee quality and the quality of peanut fully.Concrete store method is as 1, pouch-packaged: by extracting vacuum after plastic bag packaging, and its inherent drier of placing.2, the in enormous quantities preservation: after the large polybag of packing into, storehouse is preserved.This warehouse-type is preserved, and peanut, at duration of storage, the phenomenons such as mould, insect pest and grease oxygen become sour easily occur.Research shows, moisture, temperature and air are the principal elements that affects the peanut quality, and cryogenic seal is long preservation and the main method that improves storage-stable, it can kill pests and suppresses the hatching of worm's ovum, intercept and the contacting of extraneous humiture, air, play the effect of preservation and freshness.If storage environment, in low oxygen content with than the high carbon dioxide dividing potential drop, can also reduce the respiratory intensity of peanut, the growth and breeding of mould fungus inhibition, maintenance quality, extend storage period.So, the patent application of Chinese patent application 201110213888.3, a kind of method of peanut preservation and freshness is disclosed, its method step is: the peanut of fresh firm results is through removal of impurities, clean, dry, sieving and grading, dried peanut water content is lower than 8%, then the food stage of packing into composite polyethylene polybag, being placed in vacuum drying chamber vacuumizes, its vacuum is 0.08 ~ 0.09MPa, temperature is 25 ° of C, pumpdown time is 30min, be filled with again carbon dioxide 15min, make in peanut shell to be full of carbon dioxide, then, packaging bag is put on vacuum packing machine, after passing into carbon dioxide, pack again, peanut generation suction-operated in bag to be packaged, after forming " adherence " effect of likelihood empty package, again the peanut after absorption being placed on to dark dry sections temperature stores, the proportioning of dried complete peanut and carbon dioxide volume is the carbon dioxide that every hectogram peanut is filled with 60 ~ 76 ml volumes.This store method is similar to the store method of pouch-packaged, and its difference is in bag to pour carbon dioxide.
The store method of current peanut, continues to use traditional store method more, exists cost high, and in the preservation process, or moisture absorption makes moist, and mouthfeel is not crisp; Mouldy qualitative change, can't eat; Over-drying, hard difficulty is chewed, and tastes and likes chewing wax.Changing odor (as saline taste, cream, spiced taste change), become and taste bad etc.For solving this technical problem, prior art is in the preservation process, corresponding drier or anticorrisive agent have been added, mainly with chemical composition, be main, amount is few inoperative, the many harmful healths of amount, and, the abandonment after edible of unpacking of drier or anticorrisive agent discharge, peanut in process of production, cause the problems such as environmental pollution.According to document announcement, the whole world has not only caused great economic loss, and human health has been caused to significant damage because microbial contamination causes the phenomenon of food spoilage very serious every year.The anticorrisive agent used at present is mainly chemical preservative, although chemical preservative has certain inhibitory action to microorganism, it has certain toxic and side effect (being teratogenesis, carcinogenic or mutagenesis), and health is existed to potential harm.
At this, it is simple that the present invention aims to provide a kind of technique, easy to use; good refreshing effect, fresh keeping time is long, uses anticorrisive agent in preservation process; drier is few, uses the antibacterial and antiseptic ingredient of traditional Chinese medicine ingredients, is conducive to the preservation method of a kind of frying peanut of health and environmental protection
summary of the invention:
The object of the invention is to, provide a kind of technique simple, easy to use; good refreshing effect, fresh keeping time is long, uses anticorrisive agent in preservation process; drier is few, uses the antibacterial and antiseptic ingredient of traditional Chinese medicine ingredients, is conducive to the preservation method of a kind of frying peanut of health and environmental protection
For realizing the object of the invention, the invention provides the preservation method that a kind of frying peanut is provided, wherein, by peanut in sieving and grading, rinsing totally drop into the microwave vacuum still, in the soup stock liquid become in various flavoring for mixture, soaked tasty, after tasty completing, carry out in accordance with the following steps fresh-keeping operation:
A, take the step of the active component of fresh-keeping liquid: take every hundred kilograms of tasty peanuts as the active component that base unit configures in its required fresh-keeping liquid as follows: mustard seed 40-60g, rheum officinale 40-60g, giant knotweed 50-70g, cassia seed 40-60g, fleece-flower root 60-80g, madder 30-50g, fruit of a cubeb litsea tree 40-60g, cassia bark 30-60g, galangal 50-70g, ginkgo leaf 20-40g, leaf of bamboo 40-60g, Gorgon fruit 60-80g, root of Dahurain angelica 30-50g; Each active component is cleaned, and chopping is rear and be crushed to the 80-100 order, standby;
The step of B, configuration fresh-keeping liquid: each active component of steps A is put into to glass container, put into again mass percent concentration 95% ethanolic solution in glass container, soak after 2-3 hour, glass container is put into to water in 60 degrees centigrade of water-bath 8-10 hour, leach liquid; The glass container that the dregs of a decoction are housed is put into water again in 60 degrees centigrade of water-bath 8-10 hour, then leaches liquid, and the liquid of twice is merged, being diluted to mass percent concentration is 30%, naturally cooling be down to room temperature after, obtain fresh-keeping liquid, and fresh-keeping liquid be put under 4 degrees celsius and save backup;
C, by the peanut after tasty, be immersed in calcium chloride solution, the mass percent concentration of calcium chloride solution is 0.6-1.2%, soaks after 15-20 minute, takes out in peanut the plastic crate of wall with space of packing into, drains away the water;
D, B step gained fresh-keeping liquid is packed in stirred tank, getting 100 kilograms of step C gained peanuts puts in stirred tank, add water and do not have peanut, start stirred tank, stir 2-2.5 hour with the speed of 30-40 rev/min, take out in peanut the plastic crate of wall with space of packing into, drain away the water micro-dry to the peanut epidermis;
E, step D gained peanut is laid on conveyer belt, it is netted that conveyer belt is, and makes conveyer belt through disinfection room, and disinfection room is used brine electrolysis to carry out spray disinfection to peanut, and the chlorinty of brine electrolysis is 30mg/L.
The peanut of step e after electrolyzed water disinfecting, send into micro-wave oven dry under the condition of vacuum, regulate vacuum at 0.01-0.1MPa, it is 25-75 ℃ that the adjusting microwave makes temperature, after dry 40-60 minute, be incubated half an hour, then regulate vacuum at 0.06-0.09MPa, it is 35-55 ℃ that the adjusting microwave makes temperature, and insulation was come out of the stove after half an hour.
Peanut after coming out of the stove through the blower fan fast cooling to room temperature, pack in polybag, the uncovered 8-10 degree centigrade that is cooled to of polybag, with 48-55 hour, cool the temperature to again between subzero 1 degree centigrade of subzero 4-, then, after keeping 12-20 hour, detect the water content of dried peanut, water content is that 5-7% is qualified, and described blower fan can be adjusted the temperature of air-out.
The polybag that qualified peanut is housed is vacuumized, and its vacuum is 0.06-0.07MPa, then is filled with carbon dioxide, after rising slightly to polybag, completes the operation of whole preservation method.
While vacuumizing, each plastic bag extraction 3-5 minute, be filled with 1.5-2.5 minute while being filled with carbon dioxide.
Any or several replacement in the enough Tea Polyphenols of calcium chloride energy in step C, essential oil, allicin.
Before the peanut outbound, after being warming up to 5-10 degree centigrade, be incubated after 8-10 hour, rise to room temperature and get final product outbound.
While preserving in warehouse, quick lime or calcium chloride or charcoal or plant ash are put in four jiaos, warehouse.
Advantage of the present invention is that technique is simple, easy to use; good refreshing effect, fresh keeping time is long, uses anticorrisive agent in preservation process; drier few (only using calcium chloride and chloride brine electrolysis), the antibacterial and antiseptic ingredient of use traditional Chinese medicine ingredients, be conducive to health and environmental protection.Be specially:
The anticorrisive agent used at present is mainly chemical preservative, although chemical preservative has certain inhibitory action to microorganism, but it has certain toxic and side effect (being teratogenesis, carcinogenic or mutagenesis), health is existed to potential harm, therefore research and develop easy to usely, antiseptics for natural food effective and that have no side effect has been subject to the generally attention of countries in the world.The present invention adopts Chinese herbal medicine to be used as food preservative, not only can avoid the toxic hazard of chemical preservative, but also can give the local flavor of food uniqueness, adopt the concrete fragrant hot section plant of having used, fragrant hot section plant has bacteriostasis antibiosis and antiseptic effect, by configuring fresh-keeping liquid and allocating when concentration is carried out fresh-keeping operation, the freshness date that the fresh-keeping peanut of the anticorrisive agent that the peanut obtained can be more conventional extends 4-6 month, and also mouthfeel is constant.
the specific embodiment:
Tea Polyphenols, have good physiological effect to human body, and it can remove unnecessary free radical in human body, improves the permeance property of blood vessel, strengthens vessel wall elasticity, reduces blood pressure, and prevents that blood sugar from raising, and promotes absorption and the assimilation of vitamin.Also have the effects such as anticancer preventing decayed tooth, anti-body lipid oxidation and radioresistance.Tea Polyphenols also has good anti-corrosive fresh-keeping effect, and hay bacillus, staphylococcus aureus, Escherichia coli, the routed sore of tomato, S.mutans and mucor, Penicillium notatum, gibberella, anthrax bacteria, saccharomyces cerevisiae etc. are all had to inhibitory action.
Essential oil is grown in the extract of root, bark, seed or the fruit of tropical fragrant plant, and research is found: large butter has the broad-spectrum antibacterial effect to food such as staphylococcus aureus, Escherichia coli, yeast, aspergillus nigers, and at 100 degree with interior to thermally-stabilised.Outstanding feature is that Fungistasis is strong.
The contained allicin of garlic has stronger inhibition and killing action to some pathogenic enteric bacteria such as shigella dysenteriae and common food spoilage fungi.This makes it become a kind of natural anticorrisive agent, the garlic aqueous solution is tested fungies such as the common mould of tens kinds of contaminated food products, saccharomycete, found that it all has inhibitory action to these fungies, and the effect of antiseptic power and chemical preservative Sodium Benzoate and potassium sorbate is close.The anti-microbial property of garlic garlic clove is very faint, and the cauline leaf of garlic bolt and garlic has suitable antibacterial action.
Object lesson 1,
In sieving and grading, rinsing totally drop into the microwave vacuum still, soaked tastyly by peanut in the soup stock liquid become in various flavoring for mixture, after tasty completing, carried out in accordance with the following steps fresh-keeping operation:
A, take the step of the active component of fresh-keeping liquid: take every hundred kilograms of tasty peanuts as the active component that base unit configures in its required fresh-keeping liquid as follows: mustard seed 60g, rheum officinale 60g, giant knotweed 70g, cassia seed 60g, fleece-flower root 80g, madder 50g, fruit of a cubeb litsea tree 60g, cassia bark 60g, galangal 70g, ginkgo leaf 40g, leaf of bamboo 60g, Gorgon fruit 80g, root of Dahurain angelica 50g; Each active component is cleaned, and chopping is rear and be crushed to 100 orders, standby;
The step of B, configuration fresh-keeping liquid: each active component of steps A is put into to glass container, put into again mass percent concentration 95% ethanolic solution in glass container, after soaking 3 hours, glass container is put into to water in 60 degrees centigrade of water-baths 10 hours, leach liquid; The glass container that the dregs of a decoction are housed is put into water again in 60 degrees centigrade of water-baths 10 hours, then leaches liquid, and the liquid of twice is merged, being diluted to mass percent concentration is 30%, naturally cooling be down to room temperature after, obtain fresh-keeping liquid, and fresh-keeping liquid be put under 4 degrees celsius and save backup;
C, by the peanut after tasty, be immersed in calcium chloride solution, the mass percent concentration of calcium chloride solution is 0.8%, after soaking 20 minutes, takes out in peanut the plastic crate of wall with space of packing into, drains away the water;
D, B step gained fresh-keeping liquid is packed in stirred tank, getting 100 kilograms of step C gained peanuts puts in stirred tank, add water and do not have peanut, start stirred tank, with the speed of 30 rev/mins, stir 2 hours, take out in peanut the plastic crate of wall with space of packing into, drain away the water micro-dry to the peanut epidermis;
E, step D gained peanut is laid on conveyer belt, it is netted that conveyer belt is, and makes conveyer belt through disinfection room, and disinfection room is used brine electrolysis to carry out spray disinfection to peanut, and the chlorinty of brine electrolysis is 30mg/L.
The peanut of step e after electrolyzed water disinfecting, send into micro-wave oven dry under the condition of vacuum, regulate vacuum at 0.06MPa, it is 65 ℃ that the adjusting microwave makes temperature, after dry 40 minutes, be incubated half an hour, then regulate vacuum at 0.08MPa, it is 50 ℃ that the adjusting microwave makes temperature, and insulation was come out of the stove after half an hour.
Peanut after coming out of the stove through the blower fan fast cooling to room temperature, pack in polybag, polybag is uncovered is cooled to 10 degrees centigrade, with 50 hours, cool the temperature to again subzero 2 degrees centigrade, then, after keeping 12 hours, detect the water content of dried peanut, water content is 7% for qualified, and described blower fan can be adjusted the temperature of air-out.
The polybag that qualified peanut is housed is vacuumized, and its vacuum is 0.07MPa, then is filled with carbon dioxide, after rising slightly to polybag, completes the operation of whole preservation method.
While vacuumizing, each plastic bag extraction is 5 minutes, is filled with 2.5 minutes while being filled with carbon dioxide.
Any or several replacement in the enough Tea Polyphenols of calcium chloride energy in step C, essential oil, allicin.Before the peanut outbound, after being warming up to 10 degrees centigrade, after being incubated 8 hours, rising to room temperature and get final product outbound.While preserving in warehouse, quick lime or calcium chloride or charcoal or plant ash are put in four jiaos, warehouse.
Peanut after pack, at ambient temperature can fresh-keeping 16-20 month (traditional peanut shelf-life is 12 months), delicious and crisp still after unpacking, mouthfeel is constant.
Object lesson 2
In sieving and grading, rinsing totally drop into the microwave vacuum still, soaked tastyly by peanut in the soup stock liquid become in various flavoring for mixture, after tasty completing, carried out in accordance with the following steps fresh-keeping operation:
A, take the step of the active component of fresh-keeping liquid: take every hundred kilograms of tasty peanuts as the active component that base unit configures in its required fresh-keeping liquid as follows: mustard seed 40g, rheum officinale 40g, giant knotweed 50g, cassia seed 40g, fleece-flower root 60g, madder 30g, fruit of a cubeb litsea tree 40g, cassia bark 30g, galangal 50g, ginkgo leaf 20g, leaf of bamboo 40g, Gorgon fruit 60g, root of Dahurain angelica 30g; Each active component is cleaned, and chopping is rear and be crushed to 80 orders, standby;
The step of B, configuration fresh-keeping liquid: each active component of steps A is put into to glass container, put into again mass percent concentration 95% ethanolic solution in glass container, after soaking 3 hours, glass container is put into to water in 60 degrees centigrade of water-baths 8 hours, leach liquid; The glass container that the dregs of a decoction are housed is put into water again in 60 degrees centigrade of water-baths 8 hours, then leaches liquid, and the liquid of twice is merged, being diluted to mass percent concentration is 30%, naturally cooling be down to room temperature after, obtain fresh-keeping liquid, and fresh-keeping liquid be put under 4 degrees celsius and save backup;
C, by the peanut after tasty, be immersed in calcium chloride solution, the mass percent concentration of calcium chloride solution is 0.9%, after soaking 15 minutes, takes out in peanut the plastic crate of wall with space of packing into, drains away the water;
D, B step gained fresh-keeping liquid is packed in stirred tank, getting 100 kilograms of step C gained peanuts puts in stirred tank, add water and do not have peanut, start stirred tank, with the speed of 35 rev/mins, stir 2.5 hours, take out in peanut the plastic crate of wall with space of packing into, drain away the water micro-dry to the peanut epidermis;
E, step D gained peanut is laid on conveyer belt, it is netted that conveyer belt is, and makes conveyer belt through disinfection room, and disinfection room is used brine electrolysis to carry out spray disinfection to peanut, and the chlorinty of brine electrolysis is 30mg/L.
The peanut of step e after electrolyzed water disinfecting, send into micro-wave oven dry under the condition of vacuum, regulate vacuum at 0.05MPa, it is 55 ℃ that the adjusting microwave makes temperature, after dry 40-60 minute, be incubated half an hour, then regulate vacuum at 0.07MPa, it is 48 ℃ that the adjusting microwave makes temperature, and insulation was come out of the stove after half an hour.
Peanut after coming out of the stove through the blower fan fast cooling to room temperature, pack in polybag, polybag is uncovered is cooled to 8 degrees centigrade, with 52 hours, cool the temperature to again subzero 1 degree centigrade, then, after keeping 15 hours, detect the water content of dried peanut, water content is 6% for qualified, and described blower fan can be adjusted the temperature of air-out.
The polybag that qualified peanut is housed is vacuumized, and its vacuum is 0.06MPa, then is filled with carbon dioxide, after rising slightly to polybag, completes the operation of whole preservation method.While vacuumizing, each plastic bag extraction is 3 minutes, is filled with 1.5 minutes while being filled with carbon dioxide.Any or several replacement in the enough Tea Polyphenols of calcium chloride energy in step C, essential oil, allicin.Before the peanut outbound, after being warming up to 10 degrees centigrade, after being incubated 8 hours, rising to room temperature and get final product outbound.While preserving in warehouse, quick lime or calcium chloride or charcoal or plant ash are put in four jiaos, warehouse
Peanut after pack, at ambient temperature can fresh-keeping 15-18 month (traditional peanut shelf-life is 12 months), delicious and crisp still after unpacking, mouthfeel is constant.
Object lesson 3
In sieving and grading, rinsing totally drop into the microwave vacuum still, soaked tastyly by peanut in the soup stock liquid become in various flavoring for mixture, after tasty completing, carried out in accordance with the following steps fresh-keeping operation:
A, take the step of the active component of fresh-keeping liquid: take every hundred kilograms of tasty peanuts as the active component that base unit configures in its required fresh-keeping liquid as follows: mustard seed 50g, rheum officinale 50g, giant knotweed 60g, cassia seed 50g, fleece-flower root 70g, madder 40g, fruit of a cubeb litsea tree 50g, cassia bark 45g, galangal 60g, ginkgo leaf 30g, leaf of bamboo 50g, Gorgon fruit 70g, root of Dahurain angelica 40g; Each active component is cleaned, and chopping is rear and be crushed to 100 orders, standby;
The step of B, configuration fresh-keeping liquid: each active component of steps A is put into to glass container, put into again mass percent concentration 95% ethanolic solution in glass container, after soaking 3 hours, glass container is put into to water in 60 degrees centigrade of water-baths 8 hours, leach liquid; The glass container that the dregs of a decoction are housed is put into water again in 60 degrees centigrade of water-baths 8 hours, then leaches liquid, and the liquid of twice is merged, being diluted to mass percent concentration is 30%, naturally cooling be down to room temperature after, obtain fresh-keeping liquid, and fresh-keeping liquid be put under 4 degrees celsius and save backup;
C, by the peanut after tasty, be immersed in allicin solution, the mass percent concentration of allicin solution is 0.9%, after soaking 15 minutes, takes out in peanut the plastic crate of wall with space of packing into, drains away the water;
D, B step gained fresh-keeping liquid is packed in stirred tank, getting 100 kilograms of step C gained peanuts puts in stirred tank, add water and do not have peanut, start stirred tank, with the speed of 35 rev/mins, stir 2.5 hours, take out in peanut the plastic crate of wall with space of packing into, drain away the water micro-dry to the peanut epidermis;
E, step D gained peanut is laid on conveyer belt, it is netted that conveyer belt is, and makes conveyer belt through disinfection room, and disinfection room is used brine electrolysis to carry out spray disinfection to peanut, and the chlorinty of brine electrolysis is 30mg/L.
The peanut of step e after electrolyzed water disinfecting, send into micro-wave oven dry under the condition of vacuum, regulate vacuum at 0.05MPa, it is 55 ℃ that the adjusting microwave makes temperature, after dry 40-60 minute, be incubated half an hour, then regulate vacuum at 0.07MPa, it is 48 ℃ that the adjusting microwave makes temperature, and insulation was come out of the stove after half an hour.
Peanut after coming out of the stove through the blower fan fast cooling to room temperature, pack in polybag, polybag is uncovered is cooled to 8 degrees centigrade, with 52 hours, cool the temperature to again subzero 1 degree centigrade, then, after keeping 15 hours, detect the water content of dried peanut, water content is 6% for qualified, and described blower fan can be adjusted the temperature of air-out.
The polybag that qualified peanut is housed is vacuumized, and its vacuum is 0.06MPa, then is filled with nitrogen, after rising slightly to polybag, completes the operation of whole preservation method.While vacuumizing, each plastic bag extraction is 3 minutes, is filled with 1.5 minutes while being filled with nitrogen.Any or several replacement in the enough Tea Polyphenols of allicin energy in step C, essential oil, calcium chloride.Before the peanut outbound, after being warming up to 10 degrees centigrade, after being incubated 8 hours, rising to room temperature and get final product outbound.While preserving in warehouse, quick lime or calcium chloride or charcoal or plant ash are put in four jiaos, warehouse
Peanut after pack, at ambient temperature can fresh-keeping 16-18 month (traditional peanut shelf-life is 12 months), delicious and crisp still after unpacking, mouthfeel is constant.
Corresponding comparing data:
One, the difference of tasty peanut on shelf-life and mouthfeel that object lesson 1-3 and prior art are preserved:
Two, the antibacterial bacteriostatic of fresh-keeping liquid experiment
Bacteria culture media: containing 1% peptone (W/V), 0.5% glucose (W/V), the culture medium of 0.5% sodium chloride (W/V) is for Bacteria Culture.
Mould medium: containing 0.5% peptone (W/V), 1% glucose (W/V), 0.1%KH
2pO
4, 0.05%Mg-SO
4h
2the culture medium of O is for mycotic culture.
The Yeast Cultivation base: yeast extract is as culture medium, for Yeast Cultivation.
Method: get fresh-keeping liquid, with aseptic 24 well culture plates, every block of plate represents the test tube of 24 variable concentrations in conventional dilution method, first row hole to every block of plate adds respectively 2ml culture medium and 10ul liquid, other holes add the 1ml culture medium, with the suction pipe of the bacterium of having gone out, liquid is transferred to another hole from a hole and obtains doubling dilution, then add 10ul concentration to each hole be 10
7-10
8the microbial suspension of individual/L, then be placed under 28 degrees centigrade and cultivate the 24-28 disappearance, treats that the bacteria growing of control wells records experimental result after observing out.As following table: (antibacterial activity :-without antibiotic effect ,+antibacterial effect arranged, ++ antibacterial effect is remarkable)
From above-mentioned, can find out relatively, fresh-keeping liquid of the present invention has good antibiotic, fungistatic effect, so that anticorrosion, good refreshing effect.
Three, detecting the VBN salt content detects
Summary, technique of the present invention is simple, easy to use; good refreshing effect, fresh keeping time is long, uses anticorrisive agent in preservation process; drier few (only using calcium chloride and chloride brine electrolysis), the antibacterial and antiseptic ingredient of use traditional Chinese medicine ingredients, be conducive to health and environmental protection.The anticorrisive agent used at present is mainly chemical preservative, although chemical preservative has certain inhibitory action to microorganism, but it has certain toxic and side effect (being teratogenesis, carcinogenic or mutagenesis), health is existed to potential harm, therefore research and develop easy to usely, antiseptics for natural food effective and that have no side effect has been subject to the generally attention of countries in the world.The present invention adopts Chinese herbal medicine to be used as food preservative, not only can avoid the toxic hazard of chemical preservative, but also can give the local flavor of food uniqueness, adopt the concrete fragrant hot section plant of having used, fragrant hot section plant has bacteriostasis antibiosis and antiseptic effect, by configuring fresh-keeping liquid and allocating when concentration is carried out fresh-keeping operation, the freshness date that the fresh-keeping peanut of the anticorrisive agent that the peanut obtained can be more conventional extends 4-6 month, and also mouthfeel is constant.
Claims (8)
1. the preservation method of a frying peanut, is characterized in that, by peanut, in sieving and grading, rinsing totally drop into the microwave vacuum still, in the soup stock liquid become in various flavoring for mixture, soaked tastyly, after tasty completing, carries out in accordance with the following steps fresh-keeping operation:
A, take the step of the active component of fresh-keeping liquid: take every hundred kilograms of tasty peanuts as the active component that base unit configures in its required fresh-keeping liquid as follows: mustard seed 40-60g, rheum officinale 40-60g, giant knotweed 50-70g, cassia seed 40-60g, fleece-flower root 60-80g, madder 30-50g, fruit of a cubeb litsea tree 40-60g, cassia bark 30-60g, galangal 50-70g, ginkgo leaf 20-40g, leaf of bamboo 40-60g, Gorgon fruit 60-80g, root of Dahurain angelica 30-50g; Each active component is cleaned, and chopping is rear and be crushed to the 80-100 order, standby;
The step of B, configuration fresh-keeping liquid: each active component of steps A is put into to glass container, put into again mass percent concentration 95% ethanolic solution in glass container, soak after 2-3 hour, glass container is put into to water in 60 degrees centigrade of water-bath 8-10 hour, leach liquid; The glass container that the dregs of a decoction are housed is put into water again in 60 degrees centigrade of water-bath 8-10 hour, then leaches liquid, and the liquid of twice is merged, being diluted to mass percent concentration is 30%, naturally cooling be down to room temperature after, obtain fresh-keeping liquid, and fresh-keeping liquid be put under 4 degrees celsius and save backup;
C, by the peanut after tasty, be immersed in calcium chloride solution, the mass percent concentration of calcium chloride solution is 0.6-1.2%, soaks after 15-20 minute, takes out in peanut the plastic crate of wall with space of packing into, drains away the water;
D, B step gained fresh-keeping liquid is packed in stirred tank, getting 100 kilograms of step C gained peanuts puts in stirred tank, add water and do not have peanut, start stirred tank, stir 2-2.5 hour with the speed of 30-40 rev/min, take out in peanut the plastic crate of wall with space of packing into, drain away the water micro-dry to the peanut epidermis;
E, step D gained peanut is laid on conveyer belt, it is netted that conveyer belt is, and makes conveyer belt through disinfection room, and disinfection room is used brine electrolysis to carry out spray disinfection to peanut, and the chlorinty of brine electrolysis is 30mg/L.
2. the preservation method of frying peanut according to claim 1, it is characterized in that, the peanut of step e after electrolyzed water disinfecting, send into micro-wave oven dry under the condition of vacuum, regulates vacuum at 0.01-0.1MPa, it is 25-75 ℃ that the adjusting microwave makes temperature, after dry 40-60 minute, be incubated half an hour, then regulate vacuum at 0.06-0.09MPa, it is 35-55 ℃ that the adjusting microwave makes temperature, and insulation was come out of the stove after half an hour.
3. the preservation method of frying peanut according to claim 2, it is characterized in that, peanut after coming out of the stove through the blower fan fast cooling to room temperature, in the polybag of packing into, the uncovered 8-10 degree centigrade that is cooled to of polybag, with 48-55 hour, cool the temperature to again between subzero 1 degree centigrade of subzero 4-, then, after keeping 12-20 hour, detect the water content of dried peanut, water content is that 5-7% is qualified, and described blower fan can be adjusted the temperature of air-out.
4. the preservation method of frying peanut according to claim 3, is characterized in that, the polybag that qualified peanut is housed is vacuumized, and its vacuum is 0.06-0.07MPa, then is filled with carbon dioxide, after rising slightly to polybag, completes the operation of whole preservation method.
5. the preservation method of frying peanut according to claim 3, is characterized in that, while vacuumizing, each plastic bag extraction 3-5 minute, be filled with 1.5-2.5 minute while being filled with carbon dioxide.
6. the preservation method of frying peanut according to claim 1, is characterized in that, the calcium chloride in step C can enough Tea Polyphenols, any or several replacement the in essential oil, allicin.
7. the preservation method of frying peanut according to claim 4, is characterized in that, before the peanut outbound, after being warming up to 5-10 degree centigrade, is incubated after 8-10 hour, rises to room temperature and get final product outbound.
8. the preservation method of frying peanut according to claim 4, is characterized in that, while preserving in warehouse, quick lime or calcium chloride or charcoal or plant ash are put in four jiaos, warehouse.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076384A (en) * | 2015-07-28 | 2015-11-25 | 江西省农业科学院 | Method for drying and storing fresh peanuts for reducing produced derogation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105076384A (en) * | 2015-07-28 | 2015-11-25 | 江西省农业科学院 | Method for drying and storing fresh peanuts for reducing produced derogation |
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