Background technology
Silkworm chrysalis is human a kind of new nutrient source, and silkworm chrysalis is unique insects food in Ministry of Public Health's approval " as the new resource for food list of bread and cheese management ".Silkworm chrysalis has high nutritive value, contains rich in protein (bright silkworm chrysalis contains crude protein and accounts for 51%), aliphatic acid (crude fat accounts for 29%), vitamin (comprising vitamin A, vitamin B2, vitamin D and ergosterol etc.).The protein content of silkworm chrysalis is higher than normal food far away more than 50%, and the essential amino acid A wide selection of colours and designs in the protein, and silkworm chrysalis protein is comprised of 18 seed amino acids, and wherein 8 seed amino acid content of needed by human are very high.The amino acid content of 8 kinds of needed by human of this in the silkworm chrysalis approximately is 2 times of pork, 4 times of egg, 10 times of milk, the amino acid nutrient of 8 kinds of needed by human is balanced, ratio is suitable, meet FAO/WHO(FAO (Food and Agriculture Organization of the United Nation) and the World Health Organization) requirement, be fit to very much the needs of human body, be a kind of insect protein of high-quality.Silkworm chrysalis also contains potassium, receives, calcium, magnesium, iron, copper, manganese, zinc, phosphorus, selenium and other trace elements, vitamin A, E, B1, B2, and carrotene etc. also are that human body is indispensable.The content of the unrighted acid in the silkworm chrysalis is very abundant, accounts for 72.5% of total fat.Unrighted acid has very important effect for the physiological function of keeping human normal: keep the relatively mobile of cell membrane, to guarantee the normal physiological function of cell; Make the cholesterol esterification, reduce blood cholesterol and triglycerides; It is the necessary material that promotes infant growth and synthesized human prostaglandin; Reduce blood viscosity, improve blood microcirculation; Strengthen cell viability, strengthen memory and thinking ability; Promote digestion and the absorption of liposoluble vitamin.
Existing silk cocoon silk reeling technology, continue to use the bright silk cocoon oven dry of heating stores always, dried cocoon is boiled the traditional handicraft of (steaming) ripe filature, namely all be to adopt the dried cocoon filature, but what obtain behind this technique filature is dried silkworm chrysalis, dried silkworm chrysalis has special stench flavor, directly be difficult to accept as food, all be as elementary feed, as make the proteins additive in poultry, fowl, the fish feed, added value is lower, greatly reduces resource utilization.Simultaneously existing technological process is complicated, owing to needing heating, energy consumption is high, and silk can cause sericin modification because of absorbent drying repeatedly sometimes, affects raw silk quality.
Summary of the invention
A kind of raw silk quality that the object of the invention is to solve above-mentioned shortcoming and provide is good, can access high-quality edible bright silkworm chrysalis, prolongs the product industrial chain, obtains the method for high-quality edible bright silkworm chrysalis behind the bright silk cocoon filature of raising added value of product.
Obtain the method for high-quality edible bright silkworm chrysalis behind a kind of bright silk cocoon filature of the present invention, comprise the steps:
(1) bright cocoon is fresh-keeping: the cold storage at constant temperature that is transported into 0~5 ℃ after bright silk cocoon is processed wait pupating stores;
(2) cocoon cooking: from freezer, take out bright silk cocoon, put into airtight container, vacuum-0.09~-after 0.093MPa vacuumizes 5~10 minutes, adding penetrating fluid toward airtight container, time of penetration is 5~10 minutes;
(3) filature: conventional method, the speed of a motor vehicle be 200~230 minutes/turn;
(4) bright silkworm chrysalis extracts: after filature is complete, the bright pupa of remaining pupa clothing parcel uses anodontia drum-type silk floss machine to roll at a slow speed to allow cylinder that remaining pupa clothing is peeled off in turn and makes intact the separating of the whole grain of frangible bright pupa, in separation in the process, continuing to water 50~55 ℃ of mass concentrations at cylinder is 1 ‰ alkali lye;
(5) soak: soaked the bright silkworm chrysalis that extracts 210~240 minutes with clear water;
(6) bubble is invaded in sterilization: the ratio of putting into 20g edible ice acetic acid in 1000kg water in 33~37 ℃ warm water is made into soak, and the bright silkworm chrysalis after clear water is soaked soaked 90-120 minute;
(7) pull out drain after ,-18~-20 ℃ freezing 4~6 hours, pack ,-10~-12 ℃ of constant-temperature preservings and get final product.
Obtain the method for high-quality edible bright silkworm chrysalis behind the above-mentioned a kind of bright silk cocoon filature, wherein: penetrating fluid is to put into 20g edible ice acetic acid by 1000kg water to stir evenly and get final product in 33~37 ℃ warm water.
Obtain the method for high-quality edible bright silkworm chrysalis behind the above-mentioned a kind of bright silk cocoon filature, wherein: 1 ‰ alkali lye is to add dietary alkali when heating water to 50~55 ℃ to join.
Obtain the method for high-quality edible bright silkworm chrysalis behind the above-mentioned a kind of bright silk cocoon filature, wherein: the rotating speed of cylinder is 400~450 rev/mins, 2.1 meters of the girths of cylinder, 80 centimetres of length.
The present invention compared with prior art, have obvious advantage and effect, by above technical scheme as can be known: the present invention is transported into 0-5 ℃ cold storage at constant temperature after bright cocoon is processed wait pupating, be allow silkworm chrysalis stop at low temperatures metabolism simultaneously not only can moth appearance and but also kept original gal4 amino acid not degenerate, kept high value albumen not run off and never degenerated; The loss of cocoon cooking employing cryogenic vacuum minimizing silk gum is compared the dried cocoon heat consumption and is greatly reduced, and better keeps the former nutritious of bright pupa; Employing is extracted bright silkworm chrysalis without dental roller and has not only been improved the serviceability rate of bright pupa but also allow the pupa clothing become the higher silk floss of added value, and the silk floss that obtains can be used for civilian silk wadding quilt, and its added value is doubled and redoubled; Utilize the edible ice acetum that bubble is invaded in bright cicada pupa sterilization, allow bright silkworm chrysalis keep weak acidic condition, not perishable variation is conducive to the maintenance of quality.This method both preserved bright silkworm chrysalis nutrition, can access high-quality edible bright silkworm chrysalis, prolong the product industrial chain, improve added value of product, saved again and dried the required energy of bright silk cocoon, and because to need not repeatedly to heat the gained raw silk quality good.
The specific embodiment
Embodiment 1:
Obtain the method for high-quality edible bright silkworm chrysalis behind a kind of bright silk cocoon filature, comprise the steps:
(1) bright cocoon is fresh-keeping: the cold storage at constant temperature that is transported into 0 ℃ after bright silk cocoon is waited to pupate (it is exactly that bright cocoon is unified with the packing of frame basket that what is called is waited to pupate, and stack in the gap, carries out hydrofuge with exhaust fan) processes stores; Principle allow exactly silkworm chrysalis stop at low temperatures metabolism simultaneously not only can moth appearance and but also kept original gal4 amino acid not degenerate, kept high value albumen not run off and never degenerated;
(2) cocoon cooking: from freezer, take out bright silk cocoon, put into airtight container, after vacuum-0.09 MPa vacuumizes 10 minutes, add penetrating fluid (in 33 ℃ warm water, put into 20g edible ice acetic acid by 1000kg water and stir evenly to get penetrating fluid) toward airtight container, time of penetration is 10 minutes, makes the cocoon chamber be filled warm water with glacial acetic acid.So that bright cocoon reduces the silk gum dissolving in the process of filature, cut down the consumption of raw materials, this principle is to utilize vacuum to produce negative pressure, then water enters the abundant swelling cocoon layer in cocoon chamber, allow simultaneously glacial acetic acid suppress the excessive molten mistake of sericin within cocoon layer be beneficial to silk in stripping process in turn from solution, can suppress the effect of bright silk peptization solution through the ratio of experiment confirm water and glacial acetic acid;
(3) filature: conventional method, the speed of a motor vehicle all 230 minutes/turn; The main purpose of the bright silk cocoon of reel silk from cocoons system is will improve bright silkworm chrysalis to reclaim output;
(4) bright silkworm chrysalis extracts: after filature is complete, the bright pupa of remaining pupa clothing parcel is easy to fragmentation, when bright pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed to allow cylinder that remaining pupa clothing is peeled off in turn and make intact the separating of the whole grain of frangible bright pupa, in separation in the process, continuing to water 50 ℃ of mass concentrations at cylinder is 1 ‰ alkali lye (add when heating water to 50 ℃ dietary alkali be made into mass concentration be 1 ‰ alkali lye), the rotating speed of cylinder is 450 rev/mins, 2.1 meters of the girths of cylinder, 80 centimetres of length.Adding alkali lye is to make bright pupa residue silk accelerate to separate its separating rate of raising with pupa, has shortened and has got the pupa time, makes bright pupa enter early freezer, saves from damage former nutritious;
(5) soak: soaked the bright silkworm chrysalis that extracts 210 minutes with clear water; Make the silkworm chrysalis of dehydration recover full;
(6) bubble is invaded in sterilization: the ratio of putting into 20g edible ice acetic acid in 1000kg water in 33 ℃ warm water is made into soak, and the bright silkworm chrysalis after clear water is soaked soaked 90 minutes;
(7) pull out drain after ,-18 ℃ freezing 6 hours, pack ,-10 ℃ of constant-temperature preservings and get final product.
Embodiment 2:
Obtain the method for high-quality edible bright silkworm chrysalis behind a kind of bright silk cocoon filature, comprise the steps:
(1) bright cocoon is fresh-keeping: the cold storage at constant temperature that is transported into 0~5 ℃ after bright silk cocoon is processed wait pupating stores;
(2) cocoon cooking: from freezer, take out bright silk cocoon, put into airtight container, after vacuum-0.093MPa vacuumizes 5 minutes, add penetrating fluid (in 37 ℃ warm water, put into 20g edible ice acetic acid by 1000kg water and stir evenly to get penetrating fluid) toward airtight container, time of penetration is 5 minutes, makes the cocoon chamber be filled warm water with glacial acetic acid;
(3) filature: conventional method, the speed of a motor vehicle all 200 minutes/turn; The main purpose of the bright silk cocoon of reel silk from cocoons system is will improve bright silkworm chrysalis to reclaim output;
(4) bright silkworm chrysalis extracts: after filature is complete, the bright pupa of remaining pupa clothing parcel is easy to fragmentation, when bright pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed to allow cylinder that remaining pupa clothing is peeled off in turn and make intact the separating of the whole grain of frangible bright pupa, in separation in the process, continuing to water 55 ℃ of mass concentrations at cylinder is 1 ‰ alkali lye (add when heating water to 55 ℃ dietary alkali be made into mass concentration be 1 ‰ alkali lye), the rotating speed of cylinder is 400 rev/mins, 2.1 meters of the girths of cylinder, 80 centimetres of length;
(5) soak: soaked the bright silkworm chrysalis that extracts 240 minutes with clear water;
(6) bubble is invaded in sterilization: the ratio of putting into 20g edible ice acetic acid in 1000kg water in 33~37 ℃ warm water is made into soak, and the bright silkworm chrysalis after clear water is soaked soaked-120 minutes;
(7) pull out drain after ,-20 ℃ freezing 4~6 hours, pack ,-12 ℃ of constant-temperature preservings and get final product.
Embodiment 3:
Obtain the method for high-quality edible bright silkworm chrysalis behind a kind of bright silk cocoon filature, comprise the steps:
(1) bright cocoon is fresh-keeping: be transported into 3 cold storage at constant temperature storage after bright silk cocoon is waited to pupate (it is exactly that bright cocoon is unified with the packing of frame basket that what is called is waited to pupate, and stack in the gap, carries out hydrofuge with exhaust fan) processes; Principle allow exactly silkworm chrysalis stop at low temperatures metabolism simultaneously not only can moth appearance and but also kept original gal4 amino acid not degenerate, kept high value albumen not run off and never degenerated;
(2) cocoon cooking: from freezer, take out bright silk cocoon, put into airtight container, after vacuum-0.092Pa vacuumizes 8 clocks, add penetrating fluid (in 35 warm water, put into 20g edible ice acetic acid by 1000kg water and stir evenly to get penetrating fluid) toward airtight container, time of penetration is 8 clocks, makes the cocoon chamber be filled warm water with glacial acetic acid;
(3) filature: conventional method, the speed of a motor vehicle all 220 minutes/turn;
(4) bright silkworm chrysalis extracts: after filature is complete, the bright pupa of remaining pupa clothing parcel is easy to fragmentation, when bright pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed to allow cylinder that remaining pupa clothing is peeled off in turn and make intact the separating of the whole grain of frangible bright pupa, in separation in the process, continuing to water 52 mass concentrations at cylinder is 1 ‰ alkali lye (heat water to added in 52 o'clock dietary alkali be made into mass concentration be 1 ‰ alkali lye), the rotating speed of cylinder is 420 rev/mins, 2.1 meters of the girths of cylinder, 80 centimetres of length;
(5) soak: soak bright silkworm chrysalis 220 clocks that extract with clear water;
(6) bubble is invaded in sterilization: the ratio of putting into 20g edible ice acetic acid in 1000kg water in 35 ℃ warm water is made into soak, and the bright silkworm chrysalis after clear water is soaked soaks 100 clocks;
(7) pull out drain after ,-18 ℃ freezing 5 hours, pack ,-11 ℃ of constant-temperature preservings and get final product.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, any technical solution of the present invention content that do not break away from,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present invention.