CN103938278B - A kind of tussah silkworm cocoon living pupa and cocoon-reeling technique - Google Patents
A kind of tussah silkworm cocoon living pupa and cocoon-reeling technique Download PDFInfo
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Abstract
A kind of tussah silkworm cocoon living pupa and cocoon-reeling technique, through the silk cocoon of the pupa alive of tussah silkworm cocoon cold storing and fresh-keeping, under vacuo, water temperature 26 ~ 40 DEG C, pH value 6.5 ~ 8, carries out vacuum and low temperature infiltration; Vacuum and low temperature medicine is unwinding: with water, sodium carbonate, sodium metasilicate, borax, hydrogen peroxide, and N-coconut oil-potassium glutamate forms unwinding liquid, at 30 ~ 46 DEG C, pH value 4 ~ 14, vacuumize carry out unwinding; Constant temperature drift cocoon: soak drift cocoon at 30 DEG C ~ 40 DEG C in unwinding liquid; Low temperature filature and raw silk skein finishing finished product.Silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive.The present invention's not cocoon drying, cocoon cooking, direct filature, reduce costs and energy consumption, the pupa rate alive of its byproduct filature silkworm chrysalis is greater than 95%, the nutrient substances such as the protein of its pupal cell and each seed amino acid are not damaged, and improve the resource utilization of filature silkworm chrysalis, also can be the directive breeding of Can Ye department and provide kind of a cocoon, accelerate prevalent variety cultivation, significant.
Description
Technical field
The present invention relates to a kind of tussah cocoon silk reeling technology, particularly a kind of tussah silkworm cocoon living pupa and cocoon-reeling technique.
Background technology
The Tussah lndustly of China is with a long history, and before 3,000 years, our ancestors just have been found that and utilize tussah cocoon, existingly in this " elegant " book when the Western Zhou Dynasty clearly records.Tussah silk is noble natural fabric, has with its woven silk goods the natural faint yellow and jewelry gloss that other fiber do not have, and smoothly very refreshing, strong durable, hygroscopicity is strong, and moisture evaporation is rapid, and wet fastness is large, acid-fast alkali-proof, refuses electric insulation, and tussah silk piece goods is the traditional exported product of China.
The main purpose that people breed silkworms since ancient times is in order to silk fabric knitted by filature, and nowadays obtaining silk is no longer the sole purpose of breeding silkworms.In recent years, Silkworm resource comprehensive utilizating research achieves significant progress, obtains a large amount of new technology of attracting attention, new results abroad, and filature silkworm chrysalis has caused people more and more to note as the raw material of resourceful medicine, health products, food.How while acquisition high-quality silk, improve the utilization rate of filature byproduct silkworm chrysalis, become era development to the modern problem for people's proposition.
Traditional silk reeling technology mainly comprises cocoon drying, cocoon cooking, drift cocoon, filature, skein finishing, packaging and warehousing.Its major drawbacks is: first, silk cocoon to be dried and store, the protein denaturation of silkworm chrysalis in cocoon drying process, the unrighted acid of pupal cell can be oxidized, losing nutritive value, some physiological activators such as moulting hormone etc. contained by pupal cell also can lose its physiological function, and the bioavailability of filature silkworm chrysalis is reduced; Its two, the energy consumption of traditional silk reeling technology is high, serious waste of resources.Therefore, living pupa and cocoon-reeling technique is more and more concerned in recent years.Living pupa and cocoon-reeling technique, without the need to cocoon drying and cocoon cooking, for reducing the cost of filature, improves raw silk quality, to the higher value application of filature byproduct---silkworm chrysalis and profound exploitation significant.
About fresh cocoon living pupa and cocoon-reeling technique, patent CN1446950A " fresh silkworm cocoon one step filature method " and domestic relevant academic journal many sections are also delivered about fresh silkworm cocoon silk reeling technology.The silk reeling method of what its Patent CN1446950A related to is fresh silkworm cocoon, mainly freeze preservation cocoon, adopts vacuum hot water infiltration (water temperature 58 ~ 62 DEG C), beating soup temperature 80 ~ 86 DEG C during automatic silk reeling.These process conditions and parameter inapplicable to tussah silkworm cocoon living pupa and cocoon-reeling, reason: one be vacuum hot water infiltration and beating soup temperature temperature more than 40 DEG C, have impact to the silkworm chrysalis survival rate after filature; Two is that silkworm cocoon layer is different from the structure of tussah cocoon layer, because the inorganic matter in tussah cocoon cocoon layer, tanning matter and silk can combine, make between tussah cocoon layer fibre deadlocked very firm, depend merely on vacuum hot water infiltration unwinding, tussah cocoon layer fibre can not be made to dissociate, the special unwinding process different from mulberry cocoon must be carried out, and use multiple reeling agent.And the relevant mulberry cocoon silk reeling technology that other periodicals etc. are delivered is not suitable for tussah silkworm cocoon living pupa and cocoon-reeling technique equally.
And patent CN1721589A " hollow cocoon, dry cocoon and living cocoon silk reeling technology " also relates to a kind of tussah living cocoon silk reeling method, it is the fresh tussah living cocoon stored under adopting lucifuge, ventilation and drying condition, and, filature, skein finishing unwinding by water logging, medicine and pupa manufacturing procedure of living complete.This invention Problems existing is the stored manner of the tussah living cocoon raw material adopted is lucifuge, ventilation and drying, this very difficult long-time storage living cocoon raw material, and ensures its filature quality; Two what be that the method provides is the method for living cocoon filature, and adopts the survival rate of byproduct cocoon pupa after this method silk cocoon filature to be how many, not test and related data support; After filature, the utilization of pupa alive just adopts the mode process of low temperature drying, and its bioavailability is low; Three is that the filature adopting the unwinding cocoon of this method to be difficult to be directly used in tussah cocoon automatic silk reeling machine uses.
Summary of the invention
According to existing living cocoon silk reeling method Problems existing, the invention provides a kind of change traditional fresh cocoon boil after, drift cocoon, filature production technology, adopt tussah silkworm cocoon filature, overcome and cut open cocoon and get pupa, the shortcoming wasted raw material, reach the silk both obtaining high-quality, can obtain again, for the comprehensive utilization of silkworm chrysalis provides the pupal cell alive keeping its active component, there is the tussah silkworm cocoon living pupa and cocoon-reeling technique of good Social benefit and economic benefit.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of tussah silkworm cocoon living pupa and cocoon-reeling technique, is characterized in that:
1) tussah silkworm cocoon cold storing and fresh-keeping: cocoon storage temperature controls at 2 ~ 4 DEG C, relative humidity 70% ~ 80%; Tussah two changes silk cocoon after early October plucks purchase, each protection 20 days at 20 DEG C, 17 DEG C and 13 DEG C respectively, then protects in the low temperature through tossing fresh cocoon being placed on 0 DEG C ~ 4 DEG C;
2) fresh-keeping cocoon is selected silkworm: the silk cocoon of pupa of being lived by naked eyes and sensation primary election;
3) vacuum and low temperature infiltration: pour in vacuum tank by the fresh cocoon of the above-mentioned refrigeration chosen, starts vavuum pump, to reaching maximum vacuum, water temperature 26 ~ 40 DEG C, pH value 6.5 ~ 8, water inlet volume exceeds silk cocoon 1 ~ 6cm and is advisable, and vacuumizes at every turn, absorbs water, draining, time is advisable with 1 ~ 8min, after completing once-through operation, check cocoon layer infiltration situation, permeate completely as Jian Ceng No has, repeat to vacuumize water suction, drain operation, till cocoon layer infiltration;
4) vacuum and low temperature medicine is unwinding:
The composition of unwinding liquid: in parts by mass, 1000 parts, water, 1 ~ 30 part, sodium carbonate, sodium metasilicate 1 ~ 32 part, borax 0.1 ~ 5.0 part, 1 ~ 40 part, hydrogen peroxide, N-coconut oil-potassium glutamate 0.01 ~ 1.0 part, mixed dissolution; Unwinding technique: add 250 ~ 1000 parts of unwinding liquid by 100 parts of fresh cocoons, unwinding liquid temp 30 ~ 46 DEG C, pH4 ~ 14, vacuumize and inhale liquid twice, vacuum is-0.085 ~-0.095MPa, each 1 ~ 10min;
5) constant temperature drift cocoon: above-mentioned vacuum inhales the unwinding silk cocoon of medicine, soaks drift cocoon, temperature 30 DEG C ~ 40 DEG C in unwinding liquid, soak 1min ~ 300min, namely use groping brush fresh cocoon first beating 30 ~ 80 times, have the cocoon of thread to go out cocoon beating, beatingly then need to continue immersion again without positive end cocoon and dropping end cocoon;
6) low temperature filature: the cocoon through unwinding drift cocoon adopts tussah automatic silk reeling machine or multiends reeling machine to carry out filature, the temperature control of filature pot liquor is at 25 ~ 45 DEG C, and the cocoon through the process of unwinding drift cocoon wants timely filature;
7) above-mentioned raw silk is through skein finishing, is processed into finished product;
8) silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive, cleans with clear water.
the beneficial effect of the invention: tussah silkworm cocoon living pupa and cocoon-reeling technique provided by the present invention, changes the process conditions of the boiling water cocoon cooking that tussah cocoon filature historical continuity gets off.Without cocoon drying, cocoon cooking, direct filature, without the need to cocoon drying and cocoon cooking equipment, contribute to the cost and the energy consumption that reduce filature, the pupa rate alive improving the quality, particularly its byproduct filature silkworm chrysalis of raw silk reaches more than 95%, live pupa eclosion rate spring cocoon more than 70%, autumn cocoon more than 80%, silk quality reaches A grade standard, and the filature rate of recovery reaches 50% ~ 60%.And filature is lived, pupa keeps other nutrient substances such as the protein of its pupal cell and each seed amino acid not to be damaged, improve the resource utilization of filature silkworm chrysalis, also can be the individuality seed selection of Can Ye department, directive breeding provides kind of a cocoon, accelerate prevalent variety cultivation, significant.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
To the tussah silkworm cocoon of duration of diapause be entered by stored refrigerated, select silkworm through fresh-keeping cocoon, vacuum and low temperature infiltration, constant temperature medicine is unwinding, operation such as constant temperature drift cocoon, low temperature filature, skein finishing etc. completes.
1. tussah silkworm cocoon cold storing and fresh-keeping: cocoon storage temperature controls at 2 ~ 4 DEG C, relative humidity 70% ~ 80%.Tussah two changes silk cocoon after early October plucks purchase, each protection 20 days at 20 DEG C, 17 DEG C and 13 DEG C respectively, then protects in the low temperature through tossing fresh cocoon being placed on 0 DEG C ~ 4 DEG C.
2. fresh-keeping cocoon is selected silkworm: the silk cocoon of pupa of being lived by naked eyes and sensation primary election.
3. vacuum and low temperature infiltration: the fresh cocoon 100kg of duration of diapause taking cold cocoon, pours in vacuum tank and paves, and pressure cocoon eye plate, builds upper cover, close water intaking valve, intake valve.Start vavuum pump, to reaching maximum vacuum and keeping, because vavuum pump performance is different, maximum vacuum is generally-0.085 ~-0.095MPa, when vacuum reaches-0.095MPa, close evacuating valve, open water intaking valve, by temperature in the warm water suction vacuum tank of 30 ~ 40 DEG C, water intake velocity should not be too fast, the water surface exceeds 6 centimetres, cocoon face, the pH value 6.5 ~ 7.5 of water, after the water yield in vacuum tank reaches requirement, close water intaking valve in turn, open upper inlet valve, air is allowed to enter in bucket, atmospheric pressure is utilized hydraulic pressure to be entered cocoon layer cocoon chamber, complete first time vacuum infiltration, after 1 ~ 3min, draining.Vacuum and low temperature infiltration number of times is according to checking cocoon layer infiltration situation, until cocoon layer permeates completely, stopping vacuum and low temperature penetration operation.
4. vacuum and low temperature medicine is unwinding, by the unwinding liquid of following formulated:
Water 300kg, sodium carbonate 3kg, sodium metasilicate 3.6kg, borax 0.3kg, hydrogen peroxide 0.3kg, N-coconut oil-potassium glutamate 0.03kg.Be heated to 40 DEG C, vacuum sucks above-mentioned unwinding liquid, vacuum-0.095MPa, and when vacuum is practical operation, vavuum pump can reach value, is non-selection process data, and unwinding liquid stops 8 minutes in cocoon layer cocoon chamber, discharges, then repeats once.The time that the unwinding optimum condition of medicine will be soaked in the solution according to the concentration of reeling agent solution, pH value and fresh cocoon and temperature and determine, the requirement of optimum condition is, make to live pupa can successfully recycling.
5. constant temperature drift cocoon: keep unwinding liquid temp at 30 DEG C, constant temperature drift cocoon 1min, namely use groping brush fresh cocoon first beating 30 ~ 80 times, the cocoon of thread is had to go out cocoon beating, the beating state of basis of time of constant temperature drift cocoon, as then illustrated without positive end cocoon and dropping end cocoon, Can Jian No You Solution relaxes, and need extend the constant temperature drift cocoon time to continue to be dipped to and reach beating requirement.
6. low temperature filature: after going out cocoon, reeling machine carries out filature, filature pot liquor temperature 37 DEG C, determines grain: 6/thread.Result: add thread: 8.1 beats/min, upper hair: 1.4 beats/min, order rate 86.3%, the rate of recovery 62.2%.Cocoon through the process of unwinding drift cocoon wants timely filature, avoids pupal cell overlong time in bleaching liquor, affects pupal cell and breathes.
7. above-mentioned raw silk is through skein finishing, is processed into finished product, packaging and warehousing.
Finished silk is after testing: average fineness 35.22D
Fineness deviation ratio: 2.95%
Fracture strength: 2.98CN/dtex
Elongation at break 21.6%
Obvolvent: 22 times
Indices reaches more than A level, meets standard GB/T/T14578-2003 completely.
8. the silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive, cleans, the detection of pupa rate of laboring with clear water.(1) get above-mentioned pupa alive and check that its hemolymph is in green, not oxidation; Observe pupal cell 4th ~ 7 saves all flexible simultaneously, can be judged as pupa of living from the appearance.(2) its respiratory capacity is surveyed: adopt Wadi sheep to measure the histocyte oxygen demand of filature silkworm chrysalis, temperature T=37 DEG C, measurement result is as follows:
Cut cocoon pupa mean value alive 278.36mm
3/ ml ﹒ h
Filature pupa mean value alive 222.80mm
3/ ml ﹒ h
Kill pupa mean value 24.72mm
3/ ml ﹒ h
Pass through said determination, its pupa rate of living of the byproduct filature silkworm chrysalis of this silk reeling technology reaches 95%, various active hormones and the enzyme system of this work pupal cell are not damaged, and can meet the ingredient requirement as immune peptide AW antibiotic and trichogramma bait and senior biochemical drug, health products, food.
Embodiment 2
Step 1 and 2 is with embodiment 1.
3. vacuum and low temperature infiltration: the fresh cocoon 100kg of duration of diapause taking cold cocoon, pours in vacuum tank and paves, and pressure cocoon eye plate, builds upper cover, close water intaking valve, intake valve.First time vacuumizes, and starts vavuum pump, when vacuum reaches-0.090MPa, close evacuating valve, open water intaking valve, by temperature in the warm water suction vacuum tank of 26 ~ 28 DEG C, water intake velocity should not be too fast, and the water surface exceeds 1 centimetre, cocoon face, the pH value 7.5 ~ 8.0 of water, after the water yield in vacuum tank reaches requirement, close water intaking valve in turn, open upper inlet valve, allow air enter in bucket, utilize atmospheric pressure hydraulic pressure to be entered cocoon layer cocoon chamber, complete first time vacuum infiltration, after 4 ~ 5min, draining.So repeat once again, complete secondaryly vacuumizing infiltration, inspection Check cocoon layer permeates completely.
4. vacuum and low temperature medicine is unwinding, by the unwinding liquid of following formulated:
Water 300kg, sodium carbonate 4.5kg, sodium metasilicate 4.8kg, borax 0.75kg, hydrogen peroxide 6kg, N-coconut oil-potassium glutamate 0.15kg.Be heated to 46 DEG C, vacuum sucks above-mentioned unwinding liquid, vacuum-0.090MPa, and unwinding liquid stops 5 minutes in cocoon layer cocoon chamber, discharges, then repeats once.
5. constant temperature drift cocoon: keep unwinding liquid temp at 35 DEG C, constant temperature drift cocoon 150min, other are with embodiment 1.
6. low temperature filature: go out cocoon, reeling machine carries out filature, filature pot liquor temperature 37 DEG C, determines grain: 6/thread.Result: add thread: 8.1 beats/min, upper hair: 1.4 beats/min, order rate 86.3%, the rate of recovery 62.2%.Cocoon through the process of unwinding drift cocoon wants timely filature, avoids pupal cell overlong time in bleaching liquor, affects pupal cell and breathes.
7. above-mentioned raw silk is through skein finishing, is processed into finished product, packaging and warehousing.
Finished silk is after testing: average fineness 34.86D
Fineness deviation ratio: 2.87%
Fracture strength: 2.79CN/dtex
Elongation at break 20.9%
Obvolvent: 20 times
Indices reaches more than A level, meets national standard completely.
8. the silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive, cleans, the detection of pupa rate of laboring with clear water.(1) get above-mentioned pupa alive and check that its hemolymph is in green, not oxidation; Observe pupal cell 4th ~ 7 saves all flexible simultaneously, can be judged as pupa of living from the appearance.(2) its respiratory capacity is surveyed: adopt Wadi sheep to measure the histocyte oxygen demand of filature silkworm chrysalis, temperature T=37 DEG C, measurement result is as follows:
Cut cocoon pupa mean value alive 269.54mm
3/ ml ﹒ h
Filature pupa mean value alive 227.08mm
3/ ml ﹒ h
Kill pupa mean value 23.96mm
3/ ml ﹒ h
Pass through said determination, its pupa rate of living of the byproduct filature silkworm chrysalis of this silk reeling technology reaches 95%, various active hormones and the enzyme system of this work pupal cell are not damaged, and can meet the ingredient requirement as immune peptide AW antibiotic and trichogramma bait and senior biochemical drug, health products, food.
Embodiment 3
Step 1 and 2 is with embodiment 1.
3. vacuum and low temperature infiltration: the fresh cocoon 100kg of duration of diapause taking cold cocoon, pours in vacuum tank and paves, and pressure cocoon eye plate, builds upper cover, close water intaking valve, intake valve.First time vacuumizes, and starts vavuum pump, when vacuum reaches-0.085MPa, close evacuating valve, open water intaking valve, by temperature in the warm water suction vacuum tank of 26 ~ 28 DEG C, water intake velocity should not be too fast, and the water surface exceeds 3 centimetres, cocoon face, the pH value 7.5 ~ 8.0 of water, after the water yield in vacuum tank reaches requirement, close water intaking valve in turn, open upper inlet valve, allow air enter in bucket, utilize atmospheric pressure hydraulic pressure to be entered cocoon layer cocoon chamber, complete first time vacuum infiltration, after 7 ~ 8min, draining.So repeat once again, complete secondaryly vacuumizing infiltration, carry out third time according to this, the 4th time and the 5th vacuum and low temperature penetrate into cocoon layer and permeate completely.
4. vacuum and low temperature medicine is unwinding: by the unwinding liquid of following formulated
Water 300kg, sodium carbonate 9kg, sodium metasilicate 9.6kg, borax 1.5kg, hydrogen peroxide 12kg, N-coconut oil-potassium glutamate 0.3kg.Be heated to 36 DEG C, vacuum sucks above-mentioned unwinding liquid, vacuum-0.085MPa, and unwinding liquid stops 10 minutes in cocoon layer cocoon chamber, discharges, then repeats once.
5. constant temperature drift cocoon: keep unwinding liquid temp at 40 DEG C, constant temperature drift cocoon 300min, other are with embodiment 1.
6. low temperature filature: go out cocoon, reeling machine carries out filature, filature pot liquor temperature 37 DEG C, determines grain: 6/thread.Result: add thread: 8.1 beats/min, upper hair: 1.4 beats/min, order rate 86.3%, the rate of recovery 62.2%.Cocoon through the process of unwinding drift cocoon wants timely filature, avoids pupal cell overlong time in bleaching liquor, affects pupal cell and breathes.
7. above-mentioned raw silk is through skein finishing, is processed into finished product, packaging and warehousing.
Finished silk is after testing: average fineness 34.92D
Fineness deviation ratio: 2.91%
Fracture strength: 2.72CN/dtex
Elongation at break 21.3%
Obvolvent: 23 times
Indices reaches more than A level, meets national standard completely.
8. the silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive, cleans, the detection of pupa rate of laboring with clear water.(1) get above-mentioned pupa alive and check that its hemolymph is in green, not oxidation; Observe pupal cell 4th ~ 7 saves all flexible simultaneously, can be judged as pupa of living from the appearance.(2) its respiratory capacity is surveyed: adopt Wadi sheep to measure the histocyte oxygen demand of filature silkworm chrysalis, temperature T=37 DEG C, measurement result is as follows:
Cut cocoon pupa mean value alive 270.00mm
3/ ml ﹒ h
Filature pupa mean value alive 231.85mm
3/ ml ﹒ h
Kill pupa mean value 25.92mm
3/ ml ﹒ h
Pass through said determination, its pupa rate of living of the byproduct filature silkworm chrysalis of this silk reeling technology reaches 95%, various active hormones and the enzyme system of this work pupal cell are not damaged, and can meet the ingredient requirement as immune peptide AW antibiotic and trichogramma bait and senior biochemical drug, health products, food.
Claims (1)
1. a tussah silkworm cocoon living pupa and cocoon-reeling technique, is characterized in that:
1) tussah silkworm cocoon cold storing and fresh-keeping: cocoon storage temperature controls at 2 ~ 4 DEG C, relative humidity 70% ~ 80%; Tussah two changes silk cocoon after early October plucks purchase, each protection 20 days at 20 DEG C, 17 DEG C and 13 DEG C respectively, then protects in the low temperature through tossing fresh cocoon being placed on 0 DEG C ~ 4 DEG C;
2) fresh-keeping cocoon is selected silkworm: the silk cocoon of pupa of being lived by naked eyes and sensation primary election;
3) vacuum and low temperature infiltration: pour in vacuum tank by the fresh cocoon of the above-mentioned refrigeration chosen, starts vavuum pump, to reaching maximum vacuum, water temperature 26 ~ 40 DEG C, pH value 6.5 ~ 8, water inlet volume exceeds silk cocoon 1 ~ 6cm and is advisable, and vacuumizes at every turn, absorbs water, draining, time is advisable with 1 ~ 8min, after completing once-through operation, check cocoon layer infiltration situation, permeate completely as Jian Ceng No has, repeat to vacuumize water suction, drain operation, till cocoon layer infiltration;
4) vacuum and low temperature medicine is unwinding:
The composition of unwinding liquid: in parts by mass, 1000 parts, water, 1 ~ 30 part, sodium carbonate, sodium metasilicate 1 ~ 32 part, borax 0.1 ~ 5.0 part, 1 ~ 40 part, hydrogen peroxide, N-coconut oil-potassium glutamate 0.01 ~ 1.0 part, mixed dissolution; Unwinding technique: add 250 ~ 1000 parts of unwinding liquid by 100 parts of fresh cocoons, unwinding liquid temp 30 ~ 46 DEG C, pH value 4 ~ 14, vacuumizes and inhales liquid twice, vacuum-0.085 ~-0.095MPa, each 1 ~ 10min;
5) constant temperature drift cocoon: above-mentioned vacuum inhales the unwinding silk cocoon of medicine, soaks drift cocoon, temperature 30 DEG C ~ 40 DEG C in unwinding liquid, soak 1min ~ 300min, namely use groping brush fresh cocoon first beating 30 ~ 80 times, have the cocoon of thread to go out cocoon beating, beatingly then need to continue immersion again without positive end cocoon and dropping end cocoon;
6) low temperature filature: the cocoon through unwinding drift cocoon adopts tussah automatic silk reeling machine or multiends reeling machine to carry out filature, the temperature control of filature pot liquor is at 25 ~ 45 DEG C, and the cocoon through the process of unwinding drift cocoon wants timely filature;
7) above-mentioned raw silk is through skein finishing, is processed into finished product;
8) silkworm chrysalis after filature manually removes pelettes, obtains filature pupa alive, cleans with clear water.
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| JPS59211610A (en) * | 1983-05-11 | 1984-11-30 | Nippon Silk Kk | Reeling of frozen fresh cocoon |
| CN1015384B (en) * | 1990-01-21 | 1992-02-05 | 中国丝绸进出口公司辽宁省分公司蚕茧总站 | Method for storage tussah silkworm cocoon of perennial |
| CN1280458C (en) * | 2003-03-27 | 2006-10-18 | 成都天友发展有限公司 | Method for refrigerating filature with no need of boiling cocoons |
| CN1272477C (en) * | 2003-03-27 | 2006-08-30 | 成都天友发展有限公司 | One step filature method for fresh cocoons of silkworms |
| CN100359049C (en) * | 2004-06-07 | 2008-01-02 | 郑丽玮 | Silk reeling technology for hollow cocoon, dry solid cocoon and live pupa cocoon |
| CN102965738A (en) * | 2012-12-10 | 2013-03-13 | 广西工学院 | Method for retaining freshness of fresh cocoons |
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2014
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