After a kind of fresh silk cocoon filature, obtain the method for the edible fresh silkworm chrysalis of high-quality
Technical field
The present invention relates to a kind of weaving and food technology field, relate in particular to a kind of obtain the edible fresh silkworm chrysalis of high-quality after fresh silk cocoon filature method.
Background technology
Silkworm chrysalis is the new nutrient source of the mankind's one, 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 (fresh silkworm chrysalis accounts for 51% containing crude protein), 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 more than 50%, and far away higher than normal food, and essential amino acid A wide selection of colours and designs in protein, silkworm chrysalis protein is made up 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 silkworm chrysalis is approximately 2 times of pork, 4 times of egg, 10 times of milk, the amino acid nutrient equilibrium of 8 kinds of needed by human, ratio is suitable, meet FAO/WHO(FAO (Food and Agriculture Organization of the United Nation) and the World Health Organization) requirement, be applicable 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., are also that human body is indispensable.The content of the unrighted acid in silkworm chrysalis is very abundant, accounts for 72.5% of total fat.Unrighted acid has very important effect for the physiological function that maintains human normal: keep the relative mobility of cell membrane, to ensure the normal physiological function of cell; Make 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 fresh silk cocoon of heating always and dry storage, dried cocoon is boiled the traditional handicraft of (steaming) ripe filature, be all to adopt dried cocoon filature, but what after this technique filature, obtain is dry silkworm chrysalis, dry silkworm chrysalis has special stench taste, directly being difficult to accept as food, is all as elementary feed, as raise, proteins additive in fowl, fish feed, added value is lower, greatly reduces resource utilization.Simultaneously existing technological process complexity, due to needs 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 obtain the edible fresh silkworm chrysalis of high-quality, extends product industrial chain, obtains the method for the edible fresh silkworm chrysalis of high-quality after the fresh silk cocoon filature of raising added value of product.
The method of obtaining the edible fresh silkworm chrysalis of high-quality after a kind of fresh silk cocoon filature of the present invention, comprises the steps:
(1) fresh cocoon is fresh-keeping: the cold storage at constant temperature that is transported into 0 ~ 5 DEG C after fresh silk cocoon is processed wait pupating stores;
(2) cocoon cooking: take out fresh silk cocoon from freezer, put into airtight container, vacuum-0.09 ~-0.093MPa vacuumized after 5 ~ 10 minutes, adds penetrating fluid toward airtight container, and time of penetration is 5 ~ 10 minutes; (3) filature: conventional method, the speed of a motor vehicle is 200 ~ 230 revs/min;
(4) fresh silkworm chrysalis extracts: after filature, the fresh 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 made intact the separating of the whole grain of frangible fresh pupa, in separation process, on cylinder, continue to water the alkali lye that 50 ~ 55 DEG C of mass concentrations are 1 ‰;
(5) soak: the fresh silkworm chrysalis extracting with clear water immersion 210 ~ 240 minutes;
(6) sterilization is soaked: the ratio of putting into 20g edible ice acetic acid in 1000kg water in the warm water of 33 ~ 37 DEG C is made into soak, and the fresh silkworm chrysalis after clear water is soaked soaks 90-120 minute;
(7) after pulling out and draining ,-18 ~-20 DEG C freeze 4 ~ 6 hours, pack-10 ~-12 DEG C of constant-temperature preservings and get final product.
After above-mentioned a kind of fresh silk cocoon filature, obtain the method for the edible fresh silkworm chrysalis of high-quality, wherein: penetrating fluid is in the warm water of 33 ~ 37 DEG C, to put into 20g edible ice acetic acid by 1000kg water to stir evenly and get final product.
After above-mentioned a kind of fresh silk cocoon filature, obtain the method for the edible fresh silkworm chrysalis of high-quality, wherein: 1 ‰ alkali lye is while heating water to 50 ~ 55 DEG C, to add dietary alkali to join.
After above-mentioned a kind of fresh silk cocoon filature, obtain the method for the edible fresh silkworm chrysalis of high-quality, wherein: the rotating speed of cylinder is 400 ~ 450 revs/min, 2.1 meters of the girths of cylinder, 80 centimetres of length.
The present invention compared with prior art, there is obvious advantage and effect, from above technical scheme: the present invention is transported into the cold storage at constant temperature of 0-5 DEG C after fresh 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 degenerate; The loss of cocoon cooking employing cryogenic vacuum minimizing silk gum is compared dried cocoon heat consumption and is greatly reduced, and better keeps the former nutritious of fresh pupa; Employing is extracted fresh silkworm chrysalis without dental roller and has not only been improved the serviceability rate of fresh pupa but also allow pupa clothing become the silk floss that added value is higher, and the silk floss obtaining can be for civilian silk wadding quilt, and its added value is doubled and redoubled; Utilize edible ice acetum to soak fresh cicada pupa sterilization, allow fresh silkworm chrysalis keep weak acidic condition, not perishable variation is conducive to the maintenance of quality.This method both preserved fresh silkworm chrysalis nutrition, can obtain the edible fresh silkworm chrysalis of high-quality, extend product industrial chain, improve added value of product, saved again and dried the required energy of fresh silk cocoon, and due to good without repeatedly heating gained raw silk quality.
Detailed description of the invention
embodiment 1:
A method of obtaining the edible fresh silkworm chrysalis of high-quality after fresh silk cocoon filature, comprises the steps:
(1) fresh cocoon is fresh-keeping: fresh silk cocoon is waited to pupate (it is exactly that with the packing of frame basket, stack in gap by unified fresh cocoon that what is called is waited to pupate, with exhaust fan carry out hydrofuge) is transported into the cold storage at constant temperature of 0 DEG C and stores after processing; 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 degenerate;
(2) cocoon cooking: take out fresh silk cocoon from freezer, put into airtight container, vacuum-0.09 MPa vacuumized after 10 minutes, add penetrating fluid (put into 20g edible ice acetic acid by 1000kg water and stir evenly to obtain penetrating fluid in the warm water of 33 DEG C) toward airtight container, time of penetration is 10 minutes, makes cocoon chamber be filled the warm water with glacial acetic acid.So that reducing silk gum in the process of filature, fresh cocoon dissolves, 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 glacial acetic acid suppress sericin within cocoon layer excessive molten mistake simultaneously and be beneficial to silk dissociation in turn in stripping process, confirm that through experiment the ratio of water and glacial acetic acid can suppress the effect of fresh silk peptization solution; (3) filature: conventional method, the speed of a motor vehicle is all at 230 revs/min; The main purpose of the fresh silk cocoon of reel silk from cocoons system is will improve fresh silkworm chrysalis to reclaim output;
(4) fresh silkworm chrysalis extracts: after filature, the fresh pupa of remaining pupa clothing parcel is easy to fragmentation, in the time that fresh pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed and allow cylinder that remaining pupa clothing is peeled off in turn and made intact the separating of the whole grain of frangible fresh pupa, in separation process, on cylinder, continue to water the alkali lye that 50 DEG C of mass concentrations are 1 ‰ (adding dietary alkali to be made into mass concentration while heating water to 50 DEG C is 1 ‰ alkali lye), the rotating speed of cylinder is 450 revs/min, 2.1 meters of the girths of cylinder, 80 centimetres of length.Adding alkali lye is to make fresh pupa residue silk accelerate to separate and improve its separating rate with pupa, has shortened and has got the pupa time, makes fresh pupa can enter early freezer, saves from damage former nutritious.
(5) soak: the fresh silkworm chrysalis extracting with clear water immersion 210 minutes; Make the silkworm chrysalis of dehydration recover full;
(6) sterilization is soaked: the ratio of putting into 20g edible ice acetic acid in 1000kg water in the warm water of 33 DEG C is made into soak, and the fresh silkworm chrysalis after clear water is soaked soaks 90 minutes;
(7) after pulling out and draining ,-18 DEG C freeze 6 hours, pack-10 DEG C of constant-temperature preservings and get final product.
embodiment 2:
A method of obtaining the edible fresh silkworm chrysalis of high-quality after fresh silk cocoon filature, comprises the steps:
(1) fresh cocoon is fresh-keeping: the cold storage at constant temperature that is transported into 0 ~ 5 DEG C after fresh silk cocoon is processed wait pupating stores;
(2) cocoon cooking: take out fresh silk cocoon from freezer, put into airtight container, vacuum-0.093MPa vacuumized after 5 minutes, add penetrating fluid (put into 20g edible ice acetic acid by 1000kg water and stir evenly to obtain penetrating fluid in the warm water of 37 DEG C) toward airtight container, time of penetration is 5 minutes, makes cocoon chamber be filled the warm water with glacial acetic acid; (3) filature: conventional method, the speed of a motor vehicle is all at 200 revs/min; The main purpose of the fresh silk cocoon of reel silk from cocoons system is will improve fresh silkworm chrysalis to reclaim output;
(4) fresh silkworm chrysalis extracts: after filature, the fresh pupa of remaining pupa clothing parcel is easy to fragmentation, in the time that fresh pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed and allow cylinder that remaining pupa clothing is peeled off in turn and made intact the separating of the whole grain of frangible fresh pupa, in separation process, on cylinder, continue to water the alkali lye that 55 DEG C of mass concentrations are 1 ‰ (adding dietary alkali to be made into mass concentration while heating water to 55 DEG C is 1 ‰ alkali lye), the rotating speed of cylinder is 400 revs/min, 2.1 meters of the girths of cylinder, 80 centimetres of length;
(5) soak: the fresh silkworm chrysalis extracting with clear water immersion 240 minutes;
(6) sterilization is soaked: the ratio of putting into 20g edible ice acetic acid in 1000kg water in the warm water of 33 ~ 37 DEG C is made into soak, and the fresh silkworm chrysalis after clear water is soaked soaks-120 minutes;
(7) after pulling out and draining ,-20 DEG C freeze 4 ~ 6 hours, pack-12 DEG C of constant-temperature preservings and get final product.
embodiment 3:
A method of obtaining the edible fresh silkworm chrysalis of high-quality after fresh silk cocoon filature, comprises the steps:
(1) fresh cocoon is fresh-keeping: fresh silk cocoon is waited to pupate (it is exactly that with the packing of frame basket, stack in gap by unified fresh cocoon that what is called is waited to pupate, with exhaust fan carry out hydrofuge) is transported into 3 cold storage at constant temperature and stores after processing; 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 degenerate;
(2) cocoon cooking: take out fresh silk cocoon from freezer, put into airtight container, vacuum-0.092Pa vacuumizes after 8 clocks, add penetrating fluid (put into 20g edible ice acetic acid by 1000kg water and stir evenly to obtain penetrating fluid in 35 warm water) toward airtight container, time of penetration is 8 clocks, makes cocoon chamber be filled the warm water with glacial acetic acid; (3) filature: conventional method, the speed of a motor vehicle is all at 220 revs/min;
(4) fresh silkworm chrysalis extracts: after filature, the fresh pupa of remaining pupa clothing parcel is easy to fragmentation, in the time that fresh pupa extracts, use anodontia drum-type silk floss machine to roll at a slow speed and allow cylinder that remaining pupa clothing is peeled off in turn and made intact the separating of the whole grain of frangible fresh pupa, in separation process, on cylinder, continue to water 52 mass concentrations and be 1 ‰ alkali lye (heat water to add dietary alkali to be made into mass concentration at 52 o'clock be 1 ‰ alkali lye), the rotating speed of cylinder is 420 revs/min, 2.1 meters of the girths of cylinder, 80 centimetres of length;
(5) soak: soak fresh silkworm chrysalis 220 clocks that extract with clear water;
(6) sterilization is soaked: the ratio of putting into 20g edible ice acetic acid in 1000kg water in the warm water of 35 DEG C is made into soak, and the fresh silkworm chrysalis after clear water is soaked soaks 100 clocks;
(7) after pulling out and draining ,-18 DEG C freeze 5 hours, pack-11 DEG C of constant-temperature preservings and get final product.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any technical solution of the present invention content that do not depart from, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all still belong in the scope of technical solution of the present invention.