CN110477317A - A kind of preparation method of konjaku can - Google Patents

A kind of preparation method of konjaku can Download PDF

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Publication number
CN110477317A
CN110477317A CN201810656085.7A CN201810656085A CN110477317A CN 110477317 A CN110477317 A CN 110477317A CN 201810656085 A CN201810656085 A CN 201810656085A CN 110477317 A CN110477317 A CN 110477317A
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konjaku
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preparation
konjak
konjak gel
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徐荣娥
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Shaanxi Town Huaxing Special Agricultural Products Development Co Ltd
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Shaanxi Town Huaxing Special Agricultural Products Development Co Ltd
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/14Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
    • A23B7/153Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of liquids or solids
    • A23B7/157Inorganic compounds
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L19/00Products from fruits or vegetables; Preparation or treatment thereof
    • A23L19/10Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
    • A23L19/115Konjak; Konntaku
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L5/00Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
    • A23L5/10General methods of cooking foods, e.g. by roasting or frying
    • A23L5/19General methods of cooking foods, e.g. by roasting or frying using chemicals before or during cooking, e.g. liquid cooking media other than water or oil; Cooking using inert particles, e.g. fluidised bed cooking
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Nutrition Science (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Preparation Of Fruits And Vegetables (AREA)

Abstract

The present invention relates to a kind of preparation methods of konjaku can, it includes swelling treatment, refining treatment, cooling, sterilization fresh processing, immersion treatment and finished product is made with soup.Konjaku can of the invention is using pure natural konjaku flour as raw material, using modernization science and technology and equipment, through high-temperature sterilization, the konjak series acidic products being process meticulously without any preservative.Acid konjaku can of the invention eliminates the drawback that konjaku alkali is highly seasoned, mouthfeel is puckery, and the konjaku elasticity of preparation is strong, and good toughness, tissue be fine and smooth, pure flavor, enters soup and does not mix, and boils long not rotten, and chewiness is strong, and tender crisp and refreshing, palatability is good, and mouthfeel is good.

Description

A kind of preparation method of konjaku can
Technical field
The present invention relates to a kind of food production and store method, in particular to a kind of preparation method of konjaku can.
Background technique
Konjaku, English name: Konjac, alias Yao Konjac, perennial Araeceae herbaceous plant, raw konjaku is slightly poisonous, konjaku A large family, about 130 kinds of the whole world, China just has more than 30 kinds, konjaku be it is presently found, uniquely can largely provide The industrial crops of glucomannans, the application value of konjaku is high in terms of food medicine, not only a variety of ammonia containing needed by human body Base acid and microelement, it may have the characteristics such as low-protein, low fat high microsteping, good water absorption, expansion rate height, medicinal efficacy With a variety of curative effects such as reducing blood lipid, hypoglycemic, blood pressure lowering, anti-cancer, toxin expelling, weight-reducing, beauty, health care, defaecation ease constipation stomaches.
Main component contained by konjaku is glucomannan, is a kind of high-molecular compound, has very strong water imbibition, is inhaled Volume is 80-100 times inflatable after water, is not easy to be digested absorption after food, and can adsorb cholesterol and bile acid, subtract to reducing blood pressure Few cardiovascular disease breaking-out has certain effectiveness.Konjaku also contains soluble dietary fiber, and this fiber increases inhibition postprandial blood sugar It is very effective, thus konjaku powder and its product are all the ideal antihypelipidemic foodstuffs of diabetic.It can reduce pancreas islet burden after. Especially make one notice with it is interested be gel contained by it, this gel can form the half of various different pore sizes in enteron aisle Permeable membrane is attached to one defence barrier of formation on intestinal mucosa, stops the intrusion of carcinogen, plays the role of anti-cancer.Therefore evil spirit Taro has a variety of disease-prevention health functions, and often edible konjak food is of great benefit to body.
In addition, the bonding pattern of konjaku glucomannan monosaccharide is similar with cellulose, monosaccharide can not be degraded in small intestine It absorbs, so being suitable for the case where diabetes patient etc. cannot take in polysaccharide.Because of this, konjaku can be used as weight-reducing food The raw material of product.
For konjaku by people's popular welcome due to very high edible value, main ingredient is glucomannans, it Not only more than 10 kinds of amino acid and various trace elements containing needed by human body have more low albumen, low fat, high microsteping, water suction The characteristics such as property is strong, expansion rate is high.
Konjaku underground stem tuber can add fourth edible at konjaku flour, and can be made into konjak tofu, Konjak fine dried noodle, konjaku bread, The numerous foods such as konjaku sliced meat, konjaku seasonal vegetable volume, konjaku Griddle Cooked Chicken with Pepper.Not only delicious flavour, mouthfeel are pleasant for konjak food, Er Qieyou The multiple efficacies such as body-building and weight-reducing, anticancer of curing the disease.Konjak gel food has two major classes at present, and one kind is heat irreversible gel-like, Typical Representative is konjak tofu (cake, silk) and and derivative snow konjak, taro vermicelli, slice food made from Amorphophallus rivieri, konjaku magic flower and bionic foods; Another kind of is thermoreversible gels food, such as jelly, pudding, jam, fat-free soft sweets are reached in konjac glucomannan or complex konjac gum To after a certain concentration, at normal temperature in gelatin, if heating can restore fluid state.The main original of heat irreversible gel based food Material is konjaku powder.Konjaku can also produce seasonal series food such as konjak jelly, konjaku ice cream, giantarum paste, custard, sauce and evil spirit The food such as taro soft heart chocolate.
Research about konjaku is numerous, and using producing in konjaku product process in traditional handicraft processing, fine powder is formed Sol solution gel strength it is poor, konjaku product malleable is inadequate, be easy bleed, have alkali it is highly seasoned, fishy smell is dense, and palatability is poor, chews Many deficiencies such as strength is not strong, and preparation process is complicated, and cumbersome, process regulation is difficult, such as:
The patent of invention of Patent No. ZL00113279.2 discloses a kind of nutritive konjak food and preparation method thereof and answers With it includes with konjaku powder or konjaku flour or fresh Amorphophallus rivieri slurry, nutriment and edible phosphoric acid containing protein or starch or sugar The ingredients such as salt and alkali through mixing, water immersion, stirring, extrusion forming, the processing steps such as boil Filamentous or noodle shape or other be made The nutritive konjak food of form.
Application No. is 200910218488.4 applications for a patent for invention to disclose a kind of processing method of konjak food.This hair It is bright using konjaku powder as raw material, select composite phosphate as coagulator;Its main technological steps includes: mixing, swelling, solidification Molding, stripping and slicing, rinsing, packaging.
Application No. is 93115661.0 applications for a patent for invention to disclose a kind of health Amorphophallus rivieri food and preparation method thereof.It will Konjaku powder is immersed in aqueous hydrochloric acid solution, is placed 4-12 hours at room temperature, is heated to 90-95 DEG C, and keep the temperature 24 small When, it is filtered after cold, filtrate spent ion exchange resin removes hydrochloric acid, filters off resin and obtains konjaku hydrating solution, solution is heated to 85 DEG C or so, bean powder or milk powder is added, stirs evenly, adds citric acid, stevia rebaudianum essence, white sugar, sweet osmanthus, medical multivitamin and micro Element zinc and iron.
Application No. is 200310106654. applications for a patent for invention to disclose a kind of frozen konjak (amorphophallus rivieri) with tremella flavour can producer Method.The technical solution adopted by the present invention: (1) swollen by konjaku powder and water expanding treatment 2 hours or more under the conditions of 32 ± 5 DEG C Binder and toughness reducing agent is added when changing processing.(2) gel after extruding is put into forming disk and is sent into heating cabinet, make temperature in cabinet 95 DEG C are risen to, and is kept for 2 hours or so.(3) formed konjak tofu (cake) is set and is sent again after cooling to cold under natural conditions Freezed in library, freeze temperature it is subzero 1~25 DEG C, when it is inside and outside be in reticular structure when take out, thaw under natural temperature.It is reprocessed after defrosting At various shape, through rinsing, dehydration, acidleach, dehydration, match the techniques such as liquid bottling, sterilization, inspection.
Summary of the invention
In order to solve the problems in the prior art, the purpose of the present invention is to providing, one kind is novel, simply prepares konjaku can Method.Preparation is simple for the method for the present invention, and production cost is low, and konjaku can prepared by the present invention eliminates traditional konjaku Alkali is highly seasoned, drawback that mouthfeel is puckery, the product quality of production is high, the long shelf-life of konjaku can, is suitable for industrialized production.
To achieve the purpose of the present invention, one aspect of the present invention provides the-preparation method of kind of konjaku can, including following sequence Progress the step of:
1) konjaku flour is uniformly mixed with water, konjac sol is made;
2) coagulator is added into konjac sol and carries out refining treatment, form konjak gel;
3) antistaling agent is added into konjak gel, sterilization fresh processing is carried out to konjak gel, sterilizing konjak gel is made;
4) sterilizing konjak gel is added in citric acid solution, carries out immersion treatment, make the pH value of sterilizing konjak gel Less than 5 to get.
Wherein, the weight of konjaku flour described in step 1) and water is 1: 40-50.
In particular, the viscosity < 16000mPas of the konjaku flour.
Wherein, further include the static placement of mixture for the konjaku flour and water that will be uniformly mixed, be swollen konjaku flour, form institute The konjac sol stated.
In particular, time >=1h of the static placement, preferably 1-2 hours.
Wherein, the weight of coagulator described in step 2) and konjaku flour described in step 1) is 1-5: 1000, excellent It is selected as 5: 1000.
In particular, the coagulator is calcium hydroxide or sodium carbonate, preferably calcium hydroxide.
Wherein, refining treatment described in step 2) includes the steps that following sequence carries out:
A) coagulator is added in konjac sol, is uniformly mixed;
B) heat temperature raising keeps 30-45min at being 80-95 DEG C in temperature;
C) cooling down forms konjak gel.
In particular, step A) described in the weight of konjaku flour described in coagulator and step 1) be 1-5: 1000, Preferably 5: 1000;Step B) described in temperature be preferably 85-90 DEG C;The soaking time is preferably 35-40min.Step C) Described in cooling down temperature be 10-30 DEG C.
In particular, further including carrying out the sterilizing again after carrying out the konjak gel that refining treatment is formed rinsing processing to protect Fresh processing.
Wherein, rinsing processing is that konjak gel is put into clear water to impregnate, and removes the alkali taste of konjak gel.
In particular, the temperature of the clear water is 10-30 DEG C;The time of the immersion is 2-3min.
In particular, further including being cut into konjak gel to carry out the rinsing processing after konjak gel small pieces again.
Wherein, antistaling agent described in step 3) is ClO 2 solution.
In particular, containing chlorine dioxide 15-25mg, preferably 15mg in ClO 2 solution described in per kilogram.
In particular, the weight of konjak gel described in the antistaling agent and step 2) is 0.5-1: 1, preferably 0.6-0.7∶1。
In particular, antistaling agent ClO 2 solution is prepared in accordance with the following steps:
A) citric acid solution and Stable chlorine dioxide solution are uniformly mixed, activation Stable chlorine dioxide solution is made;
B) be added water dilution to get.
C) wherein, citric acid solution and Stable chlorine dioxide solution weight ratio are 1: 1-10, preferably 1: 1 in step a).
In particular, the mass percent concentration of the Stable chlorine dioxide solution be 1.5-20%, preferably 1.5-2%, into One step is preferably 2%;The mass percent concentration of the citric acid solution be 1.5-20%, preferably 1.5-2%, further it is excellent It is selected as 2%.
In particular, antistaling agent ClO 2 solution is prepared in accordance with the following steps: being the two of 1.5%-45% by content Chlorine monoxid effervescent tablet is added to the water, and dissolves to obtain the final product.
Wherein, the processing time of sterilization fresh described in step 3) is 1.5-3h, preferably 2h.
Wherein, the mass percent concentration of citric acid solution described in step 4) is 0.05-0.5%, preferably 0.1- 0.2%.
In particular, pH value described in step 4) is 4.2-4.6.
In particular, further including step 5): acid soup stock, the acidity soup stock being added into the konjak gel after immersion treatment The citric acid solution for being 0.1-0.3% for mass percent concentration.
Especially, the weight ratio of the acid soup stock and the konjak gel is 3-5: 1, preferably 4: 1.
Konjaku can prepared by the present invention has advantages in that
1, the present invention makes full use of the distinctive gel characteristic of konjac glucomannan, the diced konjaku product smooth in appearance of preparation, and quality is equal It is even, there is bite, soft tasty and refreshing, the bitter taste of no konjaku flour, and there is elasticity, color and flavor well.
2, the intensity of konjak gel is high in konjaku can prepared by the present invention, and elasticity is good, and toughness is big, and chewy texture is full, aqueous Amount is high, reaches 89% or more, no precipitation water, dry and cracked, disintegration, Fragmentation Phenomena occur.
3, konjaku can of the invention carries out immersion treatment using citric acid solution, and the pH value of konjak gel is less than 5, in acid Property, the alkali taste of no bitterness and the fishy smell of konjaku, can directly eat.
4, the preparation process of konjaku can of the invention is simple, and operation is simple, and process control condition is easy to control and fit Suitable industrialized production and large-scale promotion.
5, the boiling fastness of diced konjaku can prepared by the present invention is good, can stand prolonged cook and non-blocking, no Easily broken, smooth in taste, palatability is good, and gastronomical process is relatively easy.
6, konjaku can produced by the invention is instant flavour konjak food, overcome common konjak food need through it is long when Between cook the defect that could eat, be that one of konjaku product breaks through, and the konjaku tank after antistaling agent chlorine dioxide treatment Head long shelf-life, under room temperature storage, traffic condition 12 months without disintegration, change Tang Xianxiang.
Specific embodiment
Technical characterstic for a better understanding of the present invention makees further the present invention below with reference to specific embodiment Explanation.It should be noted that embodiment is not limiting the scope of the invention.
Embodiment 1
1, swelling treatment
10kg konjaku flour and 400kg water are sent into Bulking tank (Ming Yuan mechanical equipment Co., Ltd, Taixing City), stirred evenly Afterwards, static placement 1.5h, konjaku flour swelling, forms konjac sol, wherein the viscosity < 16000mPas of konjaku flour;Konjaku flour with The weight ratio of water is 1: 40, speed of agitator 20rpm.
2, refining treatment
1) calcium hydroxide that weight ratio is 2: 98 is uniformly mixed with water, the hydrogen that mass percent concentration is 2% is made Calcium oxide solution, it is spare;
2) it is pumped with stainless steel material and konjac sol and coagulator calcium hydroxide solution is sent into conche (Taixing City name source machinery Equipment Co., Ltd) in, it stirs and evenly mixs, mixed sols is made, wherein the weight of coagulator calcium hydroxide solution is 2.5kg, i.e., The weight ratio of konjaku flour and calcium hydroxide in calcium hydroxide solution is 1000: 5 in konjac sol, speed of agitator 400rpm;
3) mixed sols is heated to 85 DEG C, at 85 DEG C, keeps 40min;
4) it is sent into konjaku multi-functional formation machine (Ming Yuan mechanical equipment Co., Ltd, Taixing City), cooling down to room temperature (25 DEG C) form the strip konjak gel that cross sectional dimensions is 1cm × 1cm.
3, rinsing is handled
The konjak gel of long strip type is put into konjaku dicer (Shenyang Hong Hai food machinery Manufacturing Co., Ltd) and is cut It is 1.5cm × 1cm × 1cm konjaku small pieces at size, then konjaku small pieces is placed in 25 DEG C of clear water after rinsing 2min, fishing Out, spare.
4, sterilization fresh is handled
1) taking the Stable chlorine dioxide solution that mass percent concentration is 2%, (development in science and technology Co., Ltd is magnified in Tianjin, food Grade), the citric acid that mass percent concentration is 2% is added, stirs evenly, activation Stable chlorine dioxide solution is made, wherein lemon The weight ratio of lemon acid and Stable chlorine dioxide solution is 1: 1;
In the embodiment of the present invention other than selecting the Stable chlorine dioxide solution that mass percent concentration is 2%, other are dense Degree Stable chlorine dioxide solution is suitable for the present invention;Other than Stable chlorine dioxide solution, chlorine dioxide effervescent tablet, chlorine dioxide Powder etc. can discharge chlorine dioxide be suitable for the present invention.
2) add water into activation Stable chlorine dioxide solution, it is fresh-keeping that chlorine dioxide is made in dilution activation Stable chlorine dioxide solution Agent, wherein the weight ratio of the water and Stable chlorine dioxide solution that are added is 998: 1, the concentration of chlorine dioxide antistaling agent is 20mg/ kg;
3) chlorine dioxide antistaling agent is added into rinsing treated konjaku small pieces, is stirred continuously, konjaku small pieces are carried out Sterilizing konjaku small pieces are made in sterilization fresh processing, and wherein the weight of chlorine dioxide antistaling agent and konjaku small pieces is 0.6: 1, the sterilization fresh processing time is 2 hours.
4, immersion treatment
5, the citric acid solution that mass percent concentration is 0.1% is added into the konjaku small pieces after sterilization treatment, carries out Immersion treatment declines the pH value of diced konjaku constantly, after soaking time is 3h, citric acid solution is discharged, then adds lemon Acid solution repeats to impregnate, until the pH value of konjaku small pieces drops to 4.5, konjaku can fourth is made;
6, with soup, finished product is made
Can soup stock food-grade citric acid solution is added into konjaku can fourth, tinning after mixing seals, sterilization, Finished product can is made, wherein the mass percent concentration of food-grade citric acid solution be 0.1%, the citric acid solution of addition with The weight ratio of konjaku can fourth be 4: 1,95 DEG C of sterilization temperature, time 40min.
After storing 12 months under room temperature, the diced konjaku shape in konjaku can is complete, without broken, disintegration, changes Tang Xianxiang;Soup Expect limpid, no muddiness.
Finished product konjaku can performance indicator, measurement result such as table are measured as follows after storing 12 months at normal temperature Shown in 1.
The water content of the measurement of method as defined in GB/T5009.3 konjaku can according to national standards;
The protein content of the measurement of method as defined in GB/T5009.5 konjaku can according to national standards;
The fat content of the measurement of method as defined in GB/T5009.6 konjaku can according to national standards;
The total number of bacterial colonies of the measurement of method as defined in GB/T4789.23 konjaku can according to national standards.
Embodiment 2
During swelling treatment, in addition to static standing time is 1.6h, speed of agitator 25rpm, the weight of konjaku flour and water The ratio between amount is that remaining is same as Example 1 except 1: 42;
The weight ratio of konjaku flour and coagulator calcium hydroxide is 1000: 5 in konjac sol in refining process, stirring Revolving speed is 500rpm, and heat temperature raising temperature is 88 DEG C, and at 88 DEG C, the retention time is except 36min, remaining and 1 phase of embodiment Together;
It is same as Example 1 to rinse treatment process;
The weight ratio of the water and Stable chlorine dioxide solution that are added in sterilization fresh treatment process is 798: 1, chlorine dioxide The concentration of antistaling agent is 25mg/kg, and wherein the weight of chlorine dioxide antistaling agent and konjaku small pieces is 0.5: 1, and sterilizing is protected The fresh processing time is except 3 hours, remaining is same as Example 1;
The mass percent concentration of citric acid solution is 0.5% during immersion treatment, the konjaku small pieces after immersion treatment PH value be 4.2 except, remaining is same as Example 1;
With soup, it is made in Finished product processThe other than the mass percent concentration of can soup stock citric acid solution is 0.2%, Remaining is same as Example 1.
After storing 12 months under room temperature, the diced konjaku shape in konjaku can is complete, without broken, disintegration, changes Tang Xianxiang;Soup Expect limpid, no muddiness.
At normal temperature store 12 months after according to national standards GB/T5009.3, GB/T5009.5, GB/T5009.6,
GB/T4789.23 measures water content, protein content, the fat content, total number of bacterial colonies of konjaku can respectively, Measurement result is as shown in table 1.
Embodiment 3
During swelling treatment, in addition to static standing time is 2h, speed of agitator 30rpm, the weight of konjaku flour and water The ratio between for remaining is same as Example 1 except 1: 45;
The weight ratio of konjaku flour and coagulator calcium hydroxide is 1000: 1 in konjac sol in refining process, stirring Revolving speed is 500rpm, and heat temperature raising temperature is 90 DEG C, and at 90 DEG C, the retention time is except 35min, remaining and 1 phase of embodiment Together;
It is same as Example 1 to rinse treatment process;
The weight ratio of the water and Stable chlorine dioxide solution that are added in sterilization fresh treatment process is 1998: 1, chlorine dioxide The concentration of antistaling agent is 10mg/kg, and wherein the weight of chlorine dioxide antistaling agent and konjaku small pieces is 1: 1, sterilization fresh Handling the time is except 2.5 hours, remaining is same as Example 1;
The mass percent concentration of citric acid solution is 0.2% during immersion treatment, the konjaku small pieces after immersion treatment PH value be 4.6 except, remaining is same as Example 1;
With soup, it is made in Finished product processThe other than the mass percent concentration of can soup stock citric acid solution is 0.3%, Remaining is same as Example 1.
After storing 12 months under room temperature, the diced konjaku shape in konjaku can is complete, without broken, disintegration, changes Tang Xianxiang;Soup Expect limpid, no muddiness.
GB/T5009.3, GB/T5009.5, GB/T5009.6, GB/ according to national standards after storing 12 months at normal temperature T4789.23 measures water content, protein content, the fat content, total number of bacterial colonies of konjaku can respectively, and measurement result is such as Shown in table 1.
Embodiment 4
In addition to by content 10% being that chlorine dioxide effervescent tablet (magnifies development in science and technology in Tianjin in sterilization fresh treatment process Co., Ltd) it is added to the water, the water of addition and the weight ratio of effervescent tablet are 4999: 1, and two that concentration is 20mg/kg are made Except chlorine monoxid antistaling agent, remaining is same as Example 1;
After storing 12 months under room temperature, the diced konjaku shape in konjaku can is complete, without broken, disintegration, changes Tang Xianxiang;Soup Expect limpid, no muddiness.
GB/T5009.3, GB/T5009.5, GB/T5009.6, GB/ according to national standards after storing 12 months at normal temperature T4789.23 measures water content, protein content, the fat content, total number of bacterial colonies of konjaku can respectively, and measurement result is such as Shown in table 1.
The quality measurements of 1 konjaku can of table
Moisture content (%) Protein content (%) Fat content (%) Total plate count (cfu/g)
Embodiment 1 89.2 0.20 0.25 < 10
Embodiment 2 89.3 0.20 0.25 < 10
Embodiment 3 89.3 0.20 0.25 < 10
Embodiment 4 89.2 0.20 0.25 < 10
Testing result shows: konjaku can prepared by the present invention moisture content after room temperature storage 12 months is high, reaches 89.2- 89.3%, no living contaminants, total plate count is less than 10cfu/g, and the konjaku can retention period of preparation is long, meets national standard.

Claims (4)

1. a kind of preparation method of konjaku can, it is characterized in that the step of carrying out in the following order:
1) konjaku flour is uniformly mixed with water, konjac sol is made;
2) coagulator is added into konjac sol and carries out refining treatment, konjak gel is made;
3) antistaling agent is added into konjak gel and carries out sterilization fresh processing, sterilizing konjak gel is made;
4) sterilizing konjak gel is added in citric acid solution and is impregnated, make the pH value of sterilizing konjak gel less than 5;
Wherein: the weight of konjaku flour described in step 1) and water is 1:40-50;Coagulator described in step 2) and step 1) weight of konjaku flour described in is 1-5:1000;Antistaling agent described in step 3) is ClO 2 solution;Step 3) weight of antistaling agent described in and konjak gel is 0.5-1:1;The quality of citric acid solution described in step 4) Percent concentration is 0.05-0.5%.
2. preparation method as described in claim 1, it is characterized in that coagulator described in step 2) is calcium hydroxide or sodium carbonate.
3. preparation method as claimed in claim 1 or 2, it is characterized in that refining treatment described in step 2) include following sequence into Capable step:
A) coagulator is added in konjac sol, is uniformly mixed;
B) heat temperature raising keeps 30-45min at being 80-95 DEG C in temperature;
C) cooling down forms konjak gel.
4. preparation method as claimed in claim 1 or 2, it is characterized in that further including step 5): solidifying to the konjaku after immersion treatment It sterilizes after acid soup stock is added in glue, wherein the acidity soup stock is the lemon that mass percent concentration is 0.1-0.3% Lemon acid solution.
CN201810656085.7A 2018-06-24 2018-06-24 A kind of preparation method of konjaku can Withdrawn CN110477317A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111838398A (en) * 2020-07-14 2020-10-30 江南大学 Plant protein meat preforming process and plant protein meat product
CN113575848A (en) * 2021-08-05 2021-11-02 屏山美美粮油食品有限责任公司 Production process of fine white konjak fine dried noodles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111838398A (en) * 2020-07-14 2020-10-30 江南大学 Plant protein meat preforming process and plant protein meat product
CN111838398B (en) * 2020-07-14 2021-10-26 江南大学 Plant protein meat preforming process and plant protein meat product
CN113575848A (en) * 2021-08-05 2021-11-02 屏山美美粮油食品有限责任公司 Production process of fine white konjak fine dried noodles

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Application publication date: 20191122