Produce the technology of malt extract sugar
The present invention relates to a kind of production method of Dian Fentang, be specifically related to produce the technology of malt extract sugar.
Malt extract sugar is main raw material with the Fructus Hordei Germinatus, through liquefaction, saccharification, series of steps such as concentrate and obtain malt extract sugar.This product is a main raw material with the barley that is activated, and keeps the malt extract fragrance and the freshness of its natural strong in the making processes, and also has amino acid, the mineral substance of higher protein and needed by human body, the abundant common recognition that has become people of its nutrition.Product has the characteristic of soft long, the medium DE value of Dian Fentang sweet taste concurrently, the organic of the two rubs up, make this product provide food basic material of new generation for foodstuffs industry, also be a kind of ideal, natural foodstuff additive, for the high yield and high quality of foodstuffs industry and save foreign exchange and created favourable condition.Succeeding in developing of this product solved the malt extract fragrance of the irreplaceable uniqueness of compound essence, and its Technology belongs to leading domestic level.
Because the attribute that malt extract sugar is good, become the main raw material that numerous foodstuff production producer is applied to solid beverages such as happy gourmet's luck, malted milk.Recently, also be applied among biscuit, nutrient oatmeal, candy, the cold drink, range of application constantly enlarges, and application prospect is good.
Malt extract sugar early has production abroad, mainly originates from West Europe and Australia.External transnational company produces beverages such as coffee with it.Along with the adjustment of food configuration improves, Britain associating biscuit company, French Danone food company, Switzerland temperature moral nutritive food company also produce and use malt extract sugar in food.More external food companies to the definition malt extract sugar under are: " being no more than the material that extracts in 55 ℃ of evaporation Fructus Hordei Germinatus; under proper temperature; brewage with the Fructus Hordei Germinatus of high-quality cereal grass (barley, wheat) and water and form; this hydrolysis extract passes through refining and evaporation becomes a kind of pure product ", so the suitable complexity of production technique.
Chinese patent application number 89107139.2 (publication number CN1054353A) have disclosed a kind of production method of pure malt extract, are to be spray dried to powdery by raw material through enzymolysis, vacuum concentration, homogeneous.Also having with the corn is that raw material is made the malt extract powder, and said two products shortcoming is the feature that lacks Dian Fentang, and range of application is narrow.But most of producers still adopt maltose production technique and equipment, wherein increase a certain proportion of burnt barley, and name day malt extract sugar comes down to a kind of dark maltose.
The object of the present invention is to provide a kind of technology of producing malt extract sugar, to overcome present malt extract sugar and complex manufacturing and product fragrance deficiency and the unsettled shortcoming of quality.
Above-mentioned purpose of the present invention realizes in the following manner:
A kind of technology of producing malt extract sugar, it is characterized in that being 50~70 with wheat with the rice part by weight at first: the rice in 50~30 soaks half an hour, make water content at 33% (weight)~37% (weight), wear into the powder slurry, fineness 40 orders, proportion be 17Be ' [being converted into legal metering unit is: 144.15 ÷ (144.3-Be ')=density (gram/cm3)];
Size mixing: the pulp-water concentration adjustment adds high temperature resistant enzyme and CaCl2 0.01% to 16Be ', transfers to pH6.2 with Na2CO3;
Liquefaction: adopt continuous injection liquefaction, temperature is 105 ℃, and insulation is 30 minutes in the time-delay jar;
Saccharification: add mash 2%, regulate pH5.8~6.0,60 ℃ of temperature, saccharification time 3 hours;
Filter: adopting the plate-and-frame filter press press filtration to obtain pulp-water concentration is 12Be '~14Be ';
Carry out humidification by the malted barley of described part by weight then and be ground into mash, warm enzyme in mash, adding again, every gram starch CaCl2 of 8 units and 0.2% is adjusted to pH6.4 with Na2CO3, adds the burnt barley flavouring of mixing colours;
Liquefying-saccharifying: directly be warming up to 70~75 ℃, saccharification 2.5 hours;
Press filtration: be warming up to 90 ℃, filter, obtaining wort concentration is 14~16Bx, and this Bx is a solid substance, the weight percent content of expression dry-matter;
Dissolve: wheat juice and above-mentioned saccharification pulp-water are mixed, are adjusted to pH6.4, sediment-free, look rate 3;
Concentrate: the malt extract liquid glucose that will dissolve pumps into concentrating pan, adopts the outer circulation normal pressure to concentrate.Thickening temperature 〉=100 ℃, are concentrated to finished product concentration 〉=75% at 3 hours time.
It is characterized in that the wheat and the weight ratio of rice are 60: 40.
It is characterized in that the wheat and the weight ratio of rice are 50: 50.
It is characterized in that the wheat and the weight ratio of rice are 70: 30.
Advantage of the present invention is significantly, and method of the present invention is simple for process, owing to adopt the outer circulation normal pressure to concentrate, is that optimal conditions is created in the Mai Late reaction, the aldehydes that makes carbonyl in the glycan molecule and the amino condensation in the acid molecule produce malt extract fragrance.The malt extract sugar wheat that production method of the present invention is produced is aromatic strongly fragrant, and have higher protein and needed by human body amino acid, mineral substance, it is nutritious.Sweet taste is long, has solved the irreplaceable peculiar fragrance of compound essence.
The present invention is described in further detail below with reference to specific embodiment, so that advantage of the present invention is more obvious.
Embodiment 1~3:
Proportioning raw materials mainly is Fructus Hordei Germinatus and rice, and under same processing condition, proportioning raw materials is appropriate, and malt extract gives off a strong fragrance, steady quality.Through test, wheat (raw material second), rice (raw material first) ratio are 60%: 40% (embodiment 1), are best proportioning.The ratio that general amplitude can be relaxed to wheat, rice is 50%: 50% (embodiment 2) or 70%: 30% (embodiment 3).Constant product quality.
Technology:
Defibrination: press 40% (embodiment 1) of raw material total amount or 50% (embodiment 2) or 30% (embodiment 3) polished rice and soak half an hour, water content 35% (± 2%) is worn into the powder slurry, fineness 40 orders, 17Be '.
Size mixing: the pulp-water concentration adjustment adds the high temperature resistant enzyme and the CaCl2 0.01% of amount of fermentation to 16Be ', transfers pH6.2 with Na2CO3.
Liquefaction: the continuous injection liquefaction temperature was 105 ℃, time-delay jar insulation 30 minutes.
Saccharification: add mash 2%, pH5.8~6.0, temperature is 60 ℃, the time is 3 hours.
Filter: Plate Filtration, pulp-water concentration 13Be ' (± 1Be ').
In addition will be by raw material total amount 60% (embodiment 1), 50% (embodiment 2) or 70% (embodiment 3), malted barley carries out the pulverizing of humidification method and wears into mash.
Warm enzyme in adding in wheat juice (every gram starch 8 units) and 0.2%CaCl2 transfer pH6.4 with Na2CO3,120 kilograms of burnt barleys.
Liquefying-saccharifying: directly be warming up to 70~75 ℃, saccharification 2.5 hours.
Press filtration: be warming up to 90 ℃, filter, wort concentration is 14~16BX.
Dissolve: wheat juice and saccharification pulp-water are mixed, transfer pH6.4, sediment-free, look rate 3.
Concentrate: the malt extract malt sugar liquid glucose that will dissolve pumps into concentrating pan, adopt the outer circulation normal pressure to concentrate, for processing condition are created in the Mai Lala reaction, reducing end under neutral (carbonyl) and the amino in the acid molecule in the glycan molecule are heated and the generation reaction, follow the generation of aldehyde radical class and produce malt extract fragrance, painted by the dehydrating condensation deposits yields, give the look perfume (or spice) of food appropriateness effectively.The Mai Lada reaction can change according to differences such as temperature, time, pH, coexisting ions.
Thickening temperature 〉=100 ℃, 3 hours time.Obtaining finished product concentration is dark dark reddish brown thick liquid, and malt extract gives off a strong fragrance, solid substance 〉=75%, DE 〉=36%, total acid≤0.7%.
The foregoing description only for illustrative purposes, protection scope of the present invention will embody in claims.