CN102326606A - Powdery deoxidation and mildewproof antistaling agent for bread - Google Patents

Abstract

The invention discloses a powdery deoxidation and mildewproof antistaling agent for bread. In a key point of the technical scheme, the powdery deoxidation and mildewproof antistaling agent for the bread consists of red bentonite, dolomite attapulgite clay, bauxite, sulfuric acid, reduced iron powder and natamycin. A method for producing the powdery deoxidation and mildewproof antistaling agent for the bread comprises the following steps of: mixing the red bentonite, the dolomite attapulgite clay and the bauxite, acidizing, tabletting, performing heat treatment, crushing the mixture together with the reduced iron powder and the natamycin, packaging, and thus obtaining the powdery deoxidation and mildewproof antistaling agent for the bread. The powdery deoxidation and mildewproof antistaling agent for the bread is put into a packaging container of the bread, mildew prevention, deoxidation, corrosion prevention and refreshment are performed synchronously, and free oxygen and part of free water in packages of the bread can be removed. The powdery deoxidation and mildewproof antistaling agent for the bread is not mixed with bread raw materials, so the inherent quality of the bread can be ensured, the original fresh flavor of the bread can be kept, and the powdery deoxidation and mildewproof antistaling agent for the bread is suitable to be placed into small packages of the bread.

Description

Powdery bread deoxidation anti-mould fresh keeping agent

Technical field

The present invention relates to anti-mould fresh keeping agent, be specifically related to a kind of powdery bread deoxidation anti-mould fresh keeping agent.

Background technology

The bread water content is big, abundant nutrients; Store with sales process in placement very short time just may moldy metamorphism, make it lose edibility, cause waste; Bread goes mouldy and not only causes bigger economic loss, and eats the healthy of back serious harm people by mistake.

Chinese patent Granted publication CN 100366160 C; At on 02 06th, 2008 Granted publication day; Name is called " Compound Bread Antiseptic "; Disclose that " a kind of Compound Bread Antiseptic mainly comprises the sodium dehydroacetate of 3～6 weight portions, the calcium propionate of 5～8 weight portions, the silica of 8～10 weight portions and the cornstarch of 75～86 weight portions.Bread preservative of the present invention is harmless, can effectively suppress microbial growth in the bread, adds the bread that anticorrisive agent of the present invention is made, and mouthfeel and common bread are as good as, and normal temperature held 10 days is not mouldy, and the shelf-life obviously extends ".

The weak point of above-mentioned patent is that this technology is to carry out anticorrosionly in the direct raw material that " Compound Bread Antiseptic " is added bread, can not keep the original fresh flavor of bread, is difficult to accepted by the consumer.

Summary of the invention

The objective of the invention is to overcome weak point in the prior art, a kind of have deoxidation, mildew-resistant, anticorrosion and fresh-keeping multi-functional powdery bread deoxidation anti-mould fresh keeping agent are provided.

Powdery bread deoxidation anti-mould fresh keeping agent is made up of red bentonite, dolomite Concave-convex clay rod, bauxite, sulfuric acid, reduced iron powder and natamycin.

The production method of powdery bread deoxidation anti-mould fresh keeping agent: red bentonite, dolomite Concave-convex clay rod, bauxite mixing are carried out pulverizing jointly with reduced iron powder and natamycin after acidifying, compressing tablet and the heat treatment, be packaged as powdery bread deoxidation anti-mould fresh keeping agent.

Iron oxide content >=14% in the red bentonite, alundum (Al content >=10%; The content of calcium oxide >=24% in the dolomite Concave-convex clay rod, magnesian content >=12%; Alundum (Al content >=55% in the bauxite; Red bentonite, dolomite Concave-convex clay rod and bauxite are mixed into mineral intermixture; The acidified processing of mineral intermixture back generates sulfate mixtures such as part of sulfuric acid calcium, magnesium sulfate, ferrous sulfate and aluminum sulfate; Calcium sulfate, magnesium sulfate, ferrous sulfate and aluminum sulfate all have higher wettability power; Mineral intermixture with acidification carries out activation heat treatment again, has improved the moisture sorption effect of the mineral intermixture of acidification greatly.

Red bentonite originates in horse race mining area, mountain, Gui Wu town, Xuyi County, Jiangsu Province; Main component has quartz, montmorillonite, kaolinite, bloodstone and feldspar, iron oxide content >=14%, alundum (Al content >=10%; The mining area reserves have more than 1,000,000 tons; Be an opencut,, still fail the large tracts of land exploitation at present because purposes is not extensive.

Reduced iron powder can absorb airborne oxygen, and 1 gram reduced iron powder deoxygenation ability is 300mL, amounts to air 1500mL, and deaerating effect is good, reduced iron powder grain fineness≤0.074 that the present invention selects for use millimeter.

Natamycin is colourless, tasteless crystalline powder, is a kind of fungistat of efficient, wide spectrum, and to the bacterium non-resistant, it can suppress and kill mould, yeast, filamentous fungi effectively, can prolong the food shelf life simultaneously, cuts the waste.

Dolomite Concave-convex clay rod, bauxite and reduced iron powder are common commodity.

The present invention is achieved through following technical proposals:

1, the batching of powdery bread deoxidation anti-mould fresh keeping agent is made up of following component by weight percentage: mould inhibitor 40～85%, reduced iron powder 14～58% and natamycin 0.01～3%;

The production method of powdery bread deoxidation anti-mould fresh keeping agent: input pulverizer after the batch mixes of powdery bread deoxidation anti-mould fresh keeping agent is pulverized, and the grain fineness after the pulverizing≤0.074 millimeter packs and is powdery bread deoxidation anti-mould fresh keeping agent;

The production method of said mould inhibitor: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 25～55%, dolomite Concave-convex clay rod 20～50% and bauxite 15～40%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 2～20% and the water 80～98% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 55～75% and dilute sulfuric acid 25～45% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 24～72 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1～3 millimeter; 6. tablet is imported and heat-treated the back mould inhibitor that is in the rotary dryer, the temperature during heat treatment is controlled at 250～320 ℃, and the time was controlled at 60～180 minutes, the water content of mould inhibitor≤1.0%.

Acidification technology of the present invention does not have discharge of wastewater, and method is simple, and is environment friendly and pollution-free.

After mould inhibitor added measuring cup, placing in the drier that fills saturated aqueous sodium chloride, is under 35 ℃ the condition in temperature, 24 hours Static Water absorption >=20%.

Reduced iron powder can absorb airborne oxygen; 1 gram reduced iron powder deoxygenation ability is 300mL, amounts to air 1500mL, and deaerating effect is good; This is those skilled in the art's a common practise, but uses reduced iron powder can not reach the fresh-keeping effect of mildew-resistant deoxidation simultaneously separately; After adopting in the present invention that reduced iron powder, mould inhibitor and natamycin are common and pulverizing, be packaged as have deoxidation, mildew-resistant, anticorrosion and fresh-keeping multi-functional powdery bread deoxidation anti-mould fresh keeping agent.

Powdery bread deoxidation anti-mould fresh keeping agent is placed in the packing container of bread, and mildew-resistant, deoxidation, anticorrosion and fresh-keepingly carry out synchronously can be removed free oxygen and part free water in the bread packing, oxygen content≤0.2%; The moisture of shortening bread≤35.0%, the moisture of other bread≤45.0%.

Water content according to different bread; Select the different ingredients by weight percentage of powdery bread deoxidation anti-mould fresh keeping agent; When keeping a certain amount of moisture, carry out deoxidation, mildew-resistant, anticorrosion and fresh-keeping, powdery bread deoxidation anti-mould fresh keeping agent can effectively prevent the oxidation of bread composition and suppress microbial growth and breeding.

The not blending of powdery bread deoxidation anti-mould fresh keeping agent can be guaranteed the inherent quality of bread in bread raw materials, can keep the original fresh flavor of bread, in the shelf-life, can not occur dry and crackedly, also can not produce tart flavour, putrid and deteriorated flavor, musty or other smells.

After powdery bread deoxidation anti-mould fresh keeping agent used, when general garbage disposal, degradable did not have environmental pollution.

Powdery bread deoxidation anti-mould fresh keeping agent is applicable in the inner wrapping that is placed on bread.

The specific embodiment

Below in conjunction with embodiment the present invention is done further description:

1, the batching of powdery bread deoxidation anti-mould fresh keeping agent is made up of following component by weight percentage: mould inhibitor 72%, reduced iron powder 27.5% and natamycin 0.5%;

The production method of powdery bread deoxidation anti-mould fresh keeping agent: input pulverizer after the batch mixes of powdery bread deoxidation anti-mould fresh keeping agent is pulverized, and the grain fineness after the pulverizing≤0.074 millimeter packs and is powdery bread deoxidation anti-mould fresh keeping agent;

The production method of said mould inhibitor: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 40%, dolomite Concave-convex clay rod 34% and bauxite 26%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 8% and the water 92% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 65% and dilute sulfuric acid 35% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 48 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1.5 millimeters; 6. tablet is imported and heat-treated the back mould inhibitor that is in the rotary dryer, the temperature during heat treatment is controlled at 280～300 ℃, and the time was controlled at 120 minutes, the water content of mould inhibitor≤1.0%.

Through on-the-spot test, mould inhibitor added measuring cup after, place in the drier that fills saturated aqueous sodium chloride, be under 35 ℃ the condition in temperature, 24 hours Static Water absorption >=25%.

Claims (1)

1. a powdery bread deoxidation anti-mould fresh keeping agent is characterized in that, the batching of powdery bread deoxidation anti-mould fresh keeping agent is made up of following component by weight percentage: mould inhibitor 40～85%, reduced iron powder 14～58% and natamycin 0.01～3%;

The production method of powdery bread deoxidation anti-mould fresh keeping agent: input pulverizer after the batch mixes of powdery bread deoxidation anti-mould fresh keeping agent is pulverized, and the grain fineness after the pulverizing≤0.074 millimeter packs and is powdery bread deoxidation anti-mould fresh keeping agent;

The production method of said mould inhibitor: 1. the batching of mineral intermixture is made up of following component by weight percentage: red bentonite 25～55%, dolomite Concave-convex clay rod 20～50% and bauxite 15～40%; 2. pulverize the grain fineness after the pulverizing≤0.50 millimeter after the batch mixes with mineral intermixture; 3. the preparation of dilute sulfuric acid is made up of following component by weight percentage: sulfuric acid 2～20% and the water 80～98% of concentration 98 ﹪; 4. the batching of acidification is made up of following component by weight percentage: mineral intermixture 55～75% and dilute sulfuric acid 25～45% after the pulverizing; 5. dilute sulfuric acid is slowly added in the mineral intermixture after the pulverizing and carry out acidification, the mineral intermixture of acidified processing was stacked after 24～72 hours, and extruding is tablet in the input twin rollers, and the THICKNESS CONTROL of tablet is at 1～3 millimeter; 6. tablet is imported and heat-treated the back mould inhibitor that is in the rotary dryer, the temperature during heat treatment is controlled at 250～320 ℃, and the time was controlled at 60～180 minutes, the water content of mould inhibitor≤1.0%.