Background technology
Leisure food as the term suggests be after dinner, snacks snack or the cake dessert of leisure between meal, they should be low in calories, delicious food meets appetite and " grinding one's teeth in sleep " pastime between people's meal, is difficult for having enough and affects the pot foods of dinner." bread is the staff of life ", but nowadays people not merely rest on the surface of eating, and become more healthy, leisure more but will allow eat.Under such diet theory, domestic leisure food has obtained development at full speed.Along with the development of leisure food industry and the raising of people's living standard, leisure food starts to press close to people's life, and more people has been placed on the starting point healthy and nutrition aspect.The leisure food production firm in the whole world is publicizing leisure food and can become a part for meals in a healthy and balanced way---and the leisure food of low in calories, low fat, low sugar is the main flow of new product development from now on.Therefore, exploitation health and functional food are by being the leisure food market developing direction in future, and in various leisure food, the product category of dilated food at most, the consumer group is the widest, sales volume is maximum, can account for the more than 50% of leisure food total amount.
Matrimony vine is conventional nutritious tonifying good merchantable brand, cook congee, endure cream at conventional its among the people, steep in wine or same other drug, food edible together.The fruit of Chinese wolfberry is exactly that people top grade supported in nourishing from ancient times, has and prolongs the anti-ageing effect that declines, so have another name called " but I ".Vitamin C content in matrimony vine is higher than orange, and content beta-carotene is higher than carrot, and iron content is also higher than beefsteak, more attracting, and the Yang strengthening function that matrimony vine plays is very powerful.
Matrimony vine is as the good merchantable brand of nourishing of medicine-food two-purpose, its nutritive value and health care are aobvious well known, matrimony vine is prepared into a kind of expanded class leisure food and meets the world completely, the developing direction of domestic leisure food, but according to leisure food " at any time, everywhere, the consumptive characteristics such as arbitrarily ", separately edible matrimony vine also can be because of amount, eating method, edible time, the factor differences such as edible crowd produce some side effects, therefore, best processing mode is exactly the nutrition according to matrimony vine, functional characteristics and other nutrition, healthy food material science is composite, balanced nutritious, to reach the object of science meals.Chinese patent CN102669597B discloses the processing method of a kind of bamboo charcoal matrimony vine, first matrimony vine is carried out to cryogenic vacuum expanded, then use in " bamboo charcoal clothing " on bamboo charcoal mush, by bamboo charcoal powder 3%-30%, starch 5%-40%, maltodextrin 5%-30%, red date powder 5%-20%, oligomeric raffinose 5%-10%, hawthorn powder 2%-5%, honey 1%-5%, Semen sesami nigrum 1%-5%, (percentage is mass percent herein, taking expanded matrimony vine total amount as basic calculation), cross cleaner liquid with cassia seed or chrysanthemum tea water soaking and be made into bamboo charcoal mush; Above-mentioned preparation method's defect is: 1. the matrimony vine water imbibition of after the swelling is extremely strong, in upper " bamboo charcoal clothing " process, easily absorbs water, and has a strong impact on the crisp degree of matrimony vine, even follow-up dry rapidly, also can not recover original fragility; 2. product, from having lost in appearance natural colour and the shape of matrimony vine, has reduced product specification and consumer's appetite; 3. there is dispute in China in bamboo charcoal nutritive value of food, and market prospects are not too optimistic.Chinese patent CN102648758A discloses a kind of method of preparing biological expanded matrimony vine, by matrimony vine cleaning, peeling, cutting, pretreatment, predrying, sam, changing temperature-pressure-difference and puffing, cooling, classification, be packaged to be expanded matrimony vine, in order to make taste better, described method is carried out pretreatment to matrimony vine pulp before being also included in pre-dried, described pre-treatment step is to be to soak 2-4h in 75%-85% sugar container by matrimony vine pulp at quality percentage composition, drain, then remove the liquid glucose on pulp surface with clear water.The defect that above-mentioned preparation method exists is: 1. after matrimony vine being cleaned, remove the peel, cutting, complex process, operates very inconveniently, can not realize scale, suitability for industrialized production; Wolfberry easily run off, oxidizable; 3. finished product is FRUCTUS LYCII grain, and fruit bar or chankings, destroyed the natural shape of FRUCTUS LYCII.
FRUCTUS LYCII is as a kind of special berries fruit, no matter fresh fruit or dry fruit, its pericarp is very thin, easily broken, be difficult for processing, therefore, matrimony vine is processed into and a kind ofly can keeps the expanded class leisure food that raw-food material that its natural fruit particle shape shape and color and luster and other match organically combines to be difficult to from the angle of technology, this is also this area research staff's long-term pursuit.
Summary of the invention
Technical problem solved by the invention is to overcome defect prepared by existing matrimony vine leisure food, taking dried fruit of lycium barbarum as primary raw material, matrimony vine after cleaning is soaked in percolating solution, adopt high-pressure pulse electric and ultrasonic synergistic wall breaking technology to carry out appropriate broken wall to FRUCTUS LYCII grain simultaneously, the composition of percolating solution can enter FRUCTUS LYCII intragranular after broken wall by osmosis, then prepares a kind of nutrition and health care leisure food---expanded matrimony vine that has matrimony vine natural fruit granular shape and color and luster, the equilibrium of nutritional labeling science, is applicable to various crowds through vacuum and low temperature puffing technique.
In order to achieve the above object, the present invention is by the following technical solutions:
A preparation method for expanded matrimony vine, comprises the steps:
1) select: mould decayed fruit, sick wormed fruit, malformed fruit and foreign material in dried fruit of lycium barbarum are chosen and removed;
2) clean: the matrimony vine of select is placed in to supersonic wave cleaning machine and cleans 5-8min in 200W, 30KHz, rinse, drain, wherein cleaning fluid is that mass percent concentration is the sodium bicarbonate solution of 0.2-0.5%;
3) broken wall, immersion: the matrimony vine after cleaning is added in its quality 0.8-1 percolating solution doubly, soaking at room temperature 2-5h, simultaneously carry out high-pressure pulse electric and ultrasonic synergistic is processed 10-20min once every 10min, until soak completely, final matrimony vine moisture is 20-22%;
Described percolating solution is prepared by the raw material of following parts by weight: starch 15-25 part, compound sugar 15-25 part, red date powder 10-15 part, cassia seed powder 8-10 part, hawthorn powder 5-8 part, honey 5-8 part, sodium acid carbonate 3-5 part, calcium chloride 1-2 part;
Described starch is evenly mixed by cornstarch and waxy corn starch, and the mass ratio of mixing is 2-3:1-2;
Described compound sugar is: one or more in stachyose, raffinose, FOS, xylo-oligosaccharide, galactooligosaccharide, oligoisomaltose, soyabean oligosaccharides, chitosan oligomer are mixed with arbitrary proportion;
The preparation method of described percolating solution is: by weight accurately taking various raw materials, first get raw material gross weight 2-3 pure water doubly, be heated to 50-60 DEG C, insulation, add successively while stirring honey, red date powder, compound sugar, cassia seed powder, hawthorn powder, fully dissolve 10-20min, continue to stir, treat that temperature is down to 20-25 DEG C, insulation, add successively starch, calcium chloride and sodium acid carbonate, fully dissolve 8-12min, obtain penetrating fluid;
The parameter of described high-pressure pulse electric processing is: electric-field intensity 30-40kV/cm, burst length 200-400 μ s, pulse frequency 400-600Hz;
Described ultrasonic wave processing parameter is: power 200-400W, frequency 30-40KHz;
4) quick-frozen: through step 3) process matrimony vine drain, in-22--26 DEG C of freezing 3-5min;
5) predrying: the matrimony vine after quick-frozen to be placed in to microwave dryer and to carry out intermittent drying 3-5min in 1500W, 65 DEG C, make it moisture and reach 14-16%;
Described intermittent drying technique is: microwave 10s, stop 20s, and so repeat cyclic drying;
6) sam: the matrimony vine spreading for cooling after predrying, rejected wet, caking and fines, then the percolating solution of its quality 0.5-1% is evenly sprayed into FRUCTUS LYCII grain surface, be put in immediately in polybag or stack up good seal, make moisture reach balance, sam 3-5 days, moisture reaches 25-28%;
7) vacuum and low temperature is expanded: the matrimony vine that sam is good is put in expansion chamber expanded, wherein swelling temperature: 90-100 DEG C; Dead time: 8-10min; Pressure differential: 0.15-0.25MPa; Evacuation temperature: 75-85 DEG C; Evacuated time: 60-85min;
8) packaging: the matrimony vine after expanded is put in air cooling, nitrogen-filled packaging obtains expanded matrimony vine rapidly.
Beneficial effect:
1. the present invention adopts high-pressure pulse electric and ultrasonic wave synergistic reaction to FRUCTUS LYCII grain appropriateness broken wall, be conducive to penetrating fluid and fully infiltrate into FRUCTUS LYCII grain, by composite to matrimony vine and other functional food ingredient science, organically combine together, and do not destroy the natural shape of FRUCTUS LYCII grain, color and luster and tissue, both can balanced diet, again can casual health, the expanded matrimony vine color and luster of preparation is natural, special taste, mouthfeel is crisp, easy to digest after edible, easily absorb, do not get angry, be applicable to all kinds of crowds, a kind of real safety that meets international and domestic leisure food developing direction, nutrition, health care, functionality leisure food.
2. the present invention adopts high-pressure pulse electric processing, can effectively kill miscellaneous bacteria, worm's ovum in FRUCTUS LYCII grain surface and penetrating fluid, prevents process cross-infection.
3. the present invention adopts the ultrasonic sodium bicarbonate solution that involves to clean matrimony vine, can effectively remove FRUCTUS LYCII grain remained on surface agricultural chemicals and other chemical substance.
4. science built-up starch, sodium acid carbonate and calcium chloride in penetrating fluid of the present invention, can effectively improve puffed degree and the crisp degree of expanded matrimony vine.
5. the present invention frontly carries out freezing processing and spray penetrating fluid in sam process matrimony vine vacuum and low temperature is expanded, is not only conducive to the sizing of expanded matrimony vine, and can increases flatness and the glossiness on expanded rear FRUCTUS LYCII grain surface, is conducive to improve presentation quality.
6. technique of the present invention is simple, easy to operate, omnidistance low temperature process, and nutriment loss is low, and efficiency is high, can realize scale, suitability for industrialized production.
Detailed description of the invention
Below by specific embodiment narration the present invention.Unless stated otherwise, in the present invention, technological means used is method known in those skilled in the art.In addition, embodiment is interpreted as illustrative, but not limits the scope of the invention, and the spirit and scope of the invention are only limited by claims.To those skilled in the art, do not deviating under the prerequisite of essence of the present invention and scope various changes that the material component in these embodiments and consumption are carried out or change and also belong to protection scope of the present invention.
Embodiment 1
A preparation method for expanded matrimony vine, comprises the steps:
1) select: mould decayed fruit, sick wormed fruit, malformed fruit and foreign material in dried fruit of lycium barbarum are chosen and removed;
2) clean: the matrimony vine of select is placed in to supersonic wave cleaning machine and cleans 5min in 200W, 30KHz, rinse, drain, wherein cleaning fluid is that mass percent concentration is 0.5% sodium bicarbonate solution;
3) broken wall, immersion: the matrimony vine after cleaning is added in the percolating solution of 0.8 times of its quality, soaking at room temperature 2h, simultaneously carry out high-pressure pulse electric and ultrasonic synergistic is processed 10min once every 10min, until soak completely, final matrimony vine moisture is 20%;
Described percolating solution is prepared by the raw material of following parts by weight: 15 parts of starch, 15 parts of oligoisomaltoses, 10 parts of red date powders, 8 parts of cassia seed powders, 5 parts of hawthorn powder, 5 parts of honey, 3 parts of sodium acid carbonates, 1 part, calcium chloride;
Described starch is evenly mixed by cornstarch and waxy corn starch, and the mass ratio of mixing is 2:1;
The preparation method of described percolating solution is: by weight accurately taking various raw materials, first get the pure water of 2 times of raw material gross weights, be heated to 50 DEG C, insulation, add successively while stirring honey, red date powder, oligoisomaltose, cassia seed powder, hawthorn powder, fully dissolve 10min, continue to stir, treat that temperature is down to 20 DEG C, insulation, add successively starch, calcium chloride and sodium acid carbonate, fully dissolve 8min, obtain penetrating fluid;
The parameter of described high-pressure pulse electric processing is: electric-field intensity 30kV/cm, burst lengths 200 μ s, pulse frequency 400Hz;
Described ultrasonic wave processing parameter is: power 200W, frequency 30KHz;
4) quick-frozen: through step 3) process matrimony vine drain, in-22 DEG C of freezing 3min;
5) predrying: the matrimony vine after quick-frozen to be placed in to microwave dryer and to carry out intermittent drying 3min in 1500W, 65 DEG C, make it moisture and reach 16%;
Described intermittent drying technique is: microwave 10s, stop 20s, and so repeat cyclic drying;
6) sam: the matrimony vine spreading for cooling after predrying, rejected wet, caking and fines, then the percolating solution of its quality 0.5% is evenly sprayed into FRUCTUS LYCII grain surface, be put in immediately in polybag or stack up good seal, make moisture reach balance, sam 3 days, moisture reaches 25%;
7) vacuum and low temperature is expanded: the matrimony vine that sam is good is put in expansion chamber expanded, wherein swelling temperature: 90 DEG C; Dead time: 8min; Pressure differential: 0.15MPa; Evacuation temperature: 75 DEG C; Evacuated time: 60min;
8) packaging: the matrimony vine after expanded is put in air cooling, nitrogen-filled packaging obtains expanded matrimony vine rapidly.
Embodiment 2
A preparation method for expanded matrimony vine, comprises the steps:
1) select: mould decayed fruit, sick wormed fruit, malformed fruit and foreign material in dried fruit of lycium barbarum are chosen and removed;
2) clean: the matrimony vine of select is placed in to supersonic wave cleaning machine and cleans 8min in 200W, 30KHz, rinse, drain, wherein cleaning fluid is that mass percent concentration is 0.2% sodium bicarbonate solution;
3) broken wall, immersion: the matrimony vine after cleaning is added in the percolating solution of 1 times of its quality, soaking at room temperature 5h, simultaneously carry out high-pressure pulse electric and ultrasonic synergistic is processed 20min once every 10min, until soak completely, final matrimony vine moisture is 22%;
Described percolating solution is prepared by the raw material of following parts by weight: 25 parts of starch, 25 parts of compound sugar, 15 parts of red date powders, 10 parts of cassia seed powders, 8 parts of hawthorn powder, 8 parts of honey, 5 parts of sodium acid carbonates, 2 parts, calcium chloride;
Described starch is evenly mixed by cornstarch and waxy corn starch, and the mass ratio of mixing is 3:2;
Described compound sugar is: stachyose, raffinose, FOS, soyabean oligosaccharides, chitosan oligomer mix with arbitrary proportion;
The preparation method of described percolating solution is: by weight accurately taking various raw materials, first get the pure water of 3 times of raw material gross weights, be heated to 60 DEG C, insulation, add successively while stirring honey, red date powder, compound sugar, cassia seed powder, hawthorn powder, fully dissolve 20min, continue to stir, treat that temperature is down to 25 DEG C, insulation, add successively starch, calcium chloride and sodium acid carbonate, fully dissolve 12min, obtain penetrating fluid;
The parameter of described high-pressure pulse electric processing is: electric-field intensity 40kV/cm, burst lengths 400 μ s, pulse frequency 600Hz;
Described ultrasonic wave processing parameter is: power 400W, frequency 40KHz;
4) quick-frozen: through step 3) process matrimony vine drain, in-26 DEG C of freezing 5min;
5) predrying: the matrimony vine after quick-frozen to be placed in to microwave dryer and to carry out intermittent drying 5min in 1500W, 65 DEG C, make it moisture and reach 14%;
Described intermittent drying technique is: microwave 10s, stop 20s, and so repeat cyclic drying;
6) sam: the matrimony vine spreading for cooling after predrying, rejected wet, caking and fines, then the percolating solution of its quality 1% is evenly sprayed into FRUCTUS LYCII grain surface, be put in immediately in polybag or stack up good seal, make moisture reach balance, sam 5 days, moisture reaches 28%;
7) vacuum and low temperature is expanded: the matrimony vine that sam is good is put in expansion chamber expanded, wherein swelling temperature: 100 DEG C; Dead time: 10min; Pressure differential: 0.25MPa; Evacuation temperature: 85 DEG C; Evacuated time: 85min;
8) packaging: the matrimony vine after expanded is put in air cooling, nitrogen-filled packaging obtains expanded matrimony vine rapidly.
Embodiment 3
A preparation method for expanded matrimony vine, comprises the steps:
1) select: mould decayed fruit, sick wormed fruit, malformed fruit and foreign material in dried fruit of lycium barbarum are chosen and removed;
2) clean: the matrimony vine of select is placed in to supersonic wave cleaning machine and cleans 6min in 200W, 30KHz, rinse, drain, wherein cleaning fluid is that mass percent concentration is 0.4% sodium bicarbonate solution;
3) broken wall, immersion: the matrimony vine after cleaning is added in the percolating solution of 0.9 times of its quality, soaking at room temperature 4h, simultaneously carry out high-pressure pulse electric and ultrasonic synergistic is processed 15min once every 10min, until soak completely, final matrimony vine moisture is 21%;
Described percolating solution is prepared by the raw material of following parts by weight: 20 parts of starch, 20 parts of compound sugar, 12 parts of red date powders, 9 parts of cassia seed powders, 6 parts of hawthorn powder, 6 parts of honey, 4 parts of sodium acid carbonates, 2 parts, calcium chloride;
Described starch is evenly mixed by cornstarch and waxy corn starch, and the mass ratio of mixing is 2.5:1.5;
Described compound sugar is: raffinose, FOS, oligoisomaltose, soyabean oligosaccharides, chitosan oligomer mix with mass ratio 3:2:2:1:0.2;
The preparation method of described percolating solution is: by weight accurately taking various raw materials, first get the pure water of 3 times of raw material gross weights, be heated to 55 DEG C, insulation, add successively while stirring honey, red date powder, compound sugar, cassia seed powder, hawthorn powder, fully dissolve 15min, continue to stir, treat that temperature is down to 22 DEG C, insulation, add successively starch, calcium chloride and sodium acid carbonate, fully dissolve 10min, obtain penetrating fluid;
The parameter of described high-pressure pulse electric processing is: electric-field intensity 35kV/cm, burst lengths 300 μ s, pulse frequency 500Hz;
Described ultrasonic wave processing parameter is: power 300W, frequency 35KHz;
4) quick-frozen: through step 3) process matrimony vine drain, in-24 DEG C of freezing 4min;
5) predrying: the matrimony vine after quick-frozen to be placed in to microwave dryer and to carry out intermittent drying 4min in 1500W, 65 DEG C, make it moisture and reach 15%;
Described intermittent drying technique is: microwave 10s, stop 20s, and so repeat cyclic drying;
6) sam: the matrimony vine spreading for cooling after predrying, rejected wet, caking and fines, then the percolating solution of its quality 0.8% is evenly sprayed into FRUCTUS LYCII grain surface, be put in immediately in polybag or stack up good seal, make moisture reach balance, sam 4 days, moisture reaches 26%;
7) vacuum and low temperature is expanded: the matrimony vine that sam is good is put in expansion chamber expanded, wherein swelling temperature: 95 DEG C; Dead time: 9min; Pressure differential: 0.20MPa; Evacuation temperature: 80 DEG C; Evacuated time: 70min;
8) packaging: the matrimony vine after expanded is put in air cooling, nitrogen-filled packaging obtains expanded matrimony vine rapidly.
The expanded matrimony vine sensory evaluation experiment of embodiment 4
Invite expanded matrimony vine and raw material matrimony vine, the conventional vacuum low temperature expanding matrimony vine that 24 personnel prepare the embodiment of the present invention 3 to carry out sense organ marking, wherein each 12 of specialty and layman, professional youth, middle age, old each 4, men and women half and half, teenager layman, youth, middle age, old each 3, men and women half and half; Marking comprises outward appearance (20 points), quality (25 points), local flavor (30 points), chews four aspects of rear residue sense (25 points), and marking personnel independently carry out, and are independent of each other, accurate to ensure judging result.Add up judging result, all score value is got approximation, retains integer, specifically in table 1:
Table 1 sensory evaluation statistics
Note: show significant difference (P < 0.05) with marking different lowercase alphabets in a line, mark different capitalizations and represent extremely significantly (P < 0.01) of difference, indicate same letter and represent not remarkable (P > 0.05) of difference.
Above result shows, any one all will obviously be better than common expanded matrimony vine and raw material matrimony vine to expanded matrimony vine prepared by the present invention from outward appearance, quality, local flavor and mouthfeel, and the consumer who is simultaneously also applicable to all ages and classes section, different hierarchies of consumption is edible.
The mensuration of embodiment 5 expanded performance parameters
1. the mensuration of puffed degree: by specific volume method mensuration puffed degree, measure the specific volume (Hu Benqiong of the fruit of Chinese wolfberry by the method for row's millet, 2000) specific volume of, puffed degree=(specific volume of the specific volume-expanded front fruit of Chinese wolfberry of the expanded rear fruit of Chinese wolfberry)/expanded front fruit of Chinese wolfberry.
2. the mensuration of rehydration ratio: sample thief 5g, rehydration container is 300ml beaker, 20 times of water consumptions, i.e. 100ml, floods wherein sample, floods at ambient temperature after 30 minutes, to pull sample out to put bamboo sieve upper, and natural draining 5 minutes, claims to drain heavily,
Rehydration ratio=(quality of the front sample of the quality-rehydration of sample after rehydration)/sample quality.
3. the mensuration of hardness: adopt matter structure instrument (TA, XT2) to measure, get shape, the size consistent sample of trying one's best; Measure matter structure, after taking out rapidly from packaging bag, one by one on matter structure instrument, do compression test, repeats 10 times, finally average, hardness number equals the peak-peak in matter composition, peak number by matter structure software on computer directly several go out.
4. the mensuration of reconstitution rate: reconstitution rate=water suction sample is heavy/first sample weight, condition determination: the sample of same quality is measured in 25 DEG C of rehydration 12min.
Expanded matrimony vine prepared by the embodiment of the present invention 3, common expanded matrimony vine and hot blast raw material matrimony vine carry out the expanded performance parameters such as puffed degree, rehydration ratio, reconstitution rate, hardness to be measured, and result is as table 2:
Table 2 expanded performance parameter detecting result
Project |
Puffed degree |
Rehydration ratio |
Reconstitution rate |
Hardness (g) |
Moisture (%) |
Expanded matrimony vine |
2.887 |
2.421 |
2.876 |
616.5 |
2 |
Common expanded matrimony vine |
2.345 |
2.134 |
2.016 |
537.8 |
2 |
Raw material matrimony vine |
1.325 |
1.031 |
1.721 |
1911.6 |
2 (heated-air dryings) |
Above result shows: the hardness of expanded matrimony vine is moderate, and hardness is too high, there is no fragility, and hardness is too low, there is no chewiness, and other performance parameter is also far superior to common expanded matrimony vine and raw material matrimony vine, and expansion effect is better.
The expanded matrimony vine sanitary index of embodiment 6 detects
Get the expanded matrimony vine of the present invention and the common expanded matrimony vine of same date of manufacture, measure respectively the sanitary index of product, testing result is as table 3:
Table 3 sanitary index testing result
Above result shows: preparation method of the present invention can effectively kill miscellaneous bacteria, the worm's ovum in FRUCTUS LYCII grain surface and penetrating fluid, prevents process cross-infection; Effectively remove FRUCTUS LYCII grain remained on surface agricultural chemicals and other chemical substance, although common expanded matrimony vine meets national health index, but there is potential safety hazard, this is because the limitation of raw material and processing technology causes, the present invention has overcome above-mentioned defect, the expanded matrimony vine of preparation is safer, and the shelf-life is longer.
Embodiment 7 eating effect tests
This product selects Taiyuan, Shanxi 100 ages of area 60~75 years old the elderly in the winter time, and men and women half and half, eats 60 days continuously, and edible 50 grams of every day, to eat front and edible rear effect comparison, average every old man's eating effect the results are shown in Table 4,
Table 4 eating effect
Project |
Before edible (60 days) |
After edible (60 days) |
Mental status |
Generally, feelings are low sometimes, agitation |
Well |
Run duration (h/ days) |
3 |
6 |
Intake (kcal/ days) |
1500 |
1800 |
The natural sleep time (h/ days) |
10 |
12 |
Times of common cold (inferior) |
6 |
2 |
Constipation number of times (inferior) |
15 |
3 |
Above result shows that this product is easy to digest after edible, easily absorbs, and does not get angry, and has good edible and nutritious tonifying effect, and edible this product effect is better continuously, and health is better.