CN102145020B - Chinese caterpillar fungus freeze-dried fresh-keeping processing technique - Google Patents
Chinese caterpillar fungus freeze-dried fresh-keeping processing technique Download PDFInfo
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- CN102145020B CN102145020B CN 201110095197 CN201110095197A CN102145020B CN 102145020 B CN102145020 B CN 102145020B CN 201110095197 CN201110095197 CN 201110095197 CN 201110095197 A CN201110095197 A CN 201110095197A CN 102145020 B CN102145020 B CN 102145020B
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Abstract
The invention relates to the technical field of Chinese caterpillar fungus preservation, and particularly relates to a Chinese caterpillar fungus freeze-dried fresh-keeping processing technique. In the technique, fresh Chinese caterpillar fungus is used as a raw material; impurities in the raw material are removed, and the raw material is screened; the raw material is cleaned with ultrasonic; the raw material absorbs water and is molded, the water content of the Chinese caterpillar fungus is 70 percent; the raw material is graded, and freeze-dried and preserved in vacuum freeze-drying equipment; and finished products are inspected, subpackaged and vacuumized, and are stored at normal temperature. A Chinese caterpillar fungus freeze-drying machine dries the Chinese caterpillar fungus in a bottle by air in vacuum and at a low temperature directly, so that thermal sensitive substances in the Chinese caterpillar fungus cannot be denatured or lose activity, and the original characteristics can be maintained; and the product can achieve the sanitary requirement of direct eating, and is convenient to eat.
Description
Technical field
The present invention relates to the technical field that Cordyceps is preserved, especially a kind of freeze dried and antistaled processing technique of Cordyceps.
Background technology
Cordyceps; Be that section ergot fungus cordyceps sinensis colonizes in Stroma and the larva cadaveric complex on the Hepialidae insect larvae; It is a kind of traditional famous and precious tonic Chinese medicine material; Multiple efficacies such as the function of immune system of adjusting, antitumor, resisting fatigue are arranged, adopt the drying in the sun mode to carry out dried mostly to the Cordyceps that collects at present, because Cordyceps contains a lot of thermal sensitivity nutritional labelings; So having many compositions to see sunlight through the Cordyceps that shines dry-cure will volatilize and run away, reduce the nutritional labeling of Cordyceps.And, in a vacuum the exsiccant technology of Cordyceps is also failed to reach at present and can directly eat Cordyceps, before eating, people need pass through several procedures again, and therefore, edible inconvenient.
Summary of the invention
In order to overcome the deficiency that existing Cordyceps can not directly eat, the invention provides a kind of freeze dried and antistaled processing technique of Cordyceps.
The technical solution adopted for the present invention to solve the technical problems is: a kind of freeze dried and antistaled processing technique of Cordyceps may further comprise the steps:
One, raw material is a raw material with fresh Cordyceps;
Two, artificial screening is to said impurity removing screening;
Three, ultrasonic waves for cleaning is carried out ultrasonic waves for cleaning through ultrasonic washing unit to said raw material;
Four, suction molding, Cordyceps moisture content 70%;
Five, classification is by said raw material stepped diameter;
Six, freeze dried and antistaled equipment ,-45 degree--50 degree in vacuum freeze; Below vacuum freeze-drying material temperature-45 degree, eutectic point-29 degree; Vacuum 25Pa-12.9Pa; Raw material is resolved sublimation drying: resolve vacuum 12.9Pa-38Pa, the raw material diameter during less than 7-8mm to the heating of equipment internal heating plate less than 0 degree; Fresh feed and dried weight ratio coefficient 2.9 ~ 2.8:1 shut down pressure release, finished product moisture content 1-2%;
Seven, product inspection;
Eight, packing evacuation;
Nine, finished product normal temperature storage.
According to another embodiment of the invention, further comprise said freeze dried and antistaled equipment, set the control parameter area for vacuum freeze drier PLC input; Vacuum freeze-drying temperature of charge :-40 degree--32 degree, sublimation pressure 12.9Pa-25Pa, fresh feed diameter 3-4mm/1.5 hour, 5-6mm/2 hour, 7-8mm/2.5 hour; Resolve sublimation drying, sublimation pressure 12.9Pa-38Pa, raw material heat up and are controlled at 1-8 degree automatically by diameter 3-4, the 7-8mm after the classification, resolve 3-4mm/36 hour distillation time, and 5-6mm/42 hour, 7-8mm/48 hour; The heavy appearance of meter: fresh feed and dried weight specific gravity factor are 3.2:1; Below catcher-45 degree.
The invention has the beneficial effects as follows that this Cordyceps freeze dryer directly carries out the cryogenic vacuum air dried with the Cordyceps in the bottle in freeze dryer; Degeneration or inactive can not take place in the heat-sensitive substance that contains in the Cordyceps like this, and volatile ingredient loses seldom in the Cordyceps, and the effect of microbial growth and enzyme can't be carried out at low temperatures; Therefore can keep original character, owing under the state that freezes, carry out drying, so volume is almost constant; Kept original structure, dried matter is loose porous, is spongy; Almost recover original character immediately after adding water, because drying is carried out under vacuum, oxygen is few; Therefore the material of some easy oxidations has obtained protection, and drying can be got rid of the above moisture of 95%-99%, makes the dry back product can long preservation and unlikely rotten.This product can reach directly edible hygienic requirements, instant.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a process chart of the present invention.
The specific embodiment
Like Fig. 1 is process chart of the present invention, and a kind of freeze dried and antistaled processing technique of Cordyceps may further comprise the steps:
One, raw material is a raw material with fresh Cordyceps.
Two, artificial screening is to said impurity removing screening; Artificial damage, insect pest will be arranged, rot and foreign material are separated from fresh Cordyceps raw material.
Three, ultrasonic waves for cleaning is carried out ultrasonic waves for cleaning through ultrasonic washing unit to said raw material; Said ultrasonic power is 300W, and ultrasonic frequency is 42W, and voltage is 220V.
Earth and egg parasitoid that the vibrations that utilize ultrasound wave to bring are carried the Cordyceps surface come off automatically; After the ozone that ozonator produces is water-soluble; The Ozone Water that produces can be killed the mycete of carrying on the Cordyceps; Guarantee purchase of customer to Cordyceps clean up, and do not carry mycete, guarantee client's edible safety.The combination of ultrasound wave and ozone double is set, has antibacterial and degradation function, and can remove lip-deep residual dirt of Cordyceps and parasite etc., have the characteristics of efficient pollution-free.
Four, the instrument testing raw material is used in suction molding, makes to make the moisture degree of raw material consistent, to guarantee dry mass by Cordyceps moisture content 70%.
Five, classification by said raw material stepped diameter, guarantees the quality of dry products.
Six, freeze dried and antistaled equipment ,-45 degree--50 degree in vacuum freeze; Below vacuum freeze-drying material temperature-45 degree, eutectic point-29 degree; Vacuum 25Pa-12.9Pa; Raw material is resolved sublimation drying: resolve vacuum 12.9Pa-38Pa, the raw material diameter during less than 7-8mm to the heating of equipment internal heating plate less than 0 degree; Fresh feed and dried weight ratio coefficient 2.9 ~ 2.8:1 shut down pressure release, finished product moisture content 1-2%;
Seven, product inspection, whether the quality of check product is qualified.
Eight, packing evacuation; Packing, evacuation adds outer package.
Nine, finished product normal temperature storage is put into warehouse room temperature storage.
Said freeze dried and antistaled equipment sets the control parameter area for vacuum freeze drier PLC input; Vacuum freeze-drying temperature of charge :-40 degree--32 degree, sublimation pressure 12.9Pa-25Pa, fresh feed diameter 3-4mm/1.5 hour, 5-6mm/2 hour, 7-8mm/2.5 hour; Resolve sublimation drying, sublimation pressure 12.9Pa-38Pa, raw material heat up and are controlled at 1-8 degree automatically by diameter 3-4, the 7-8mm after the classification, resolve 3-4mm/36 hour distillation time, and 5-6mm/42 hour, 7-8mm/48 hour; The heavy appearance of meter: fresh feed and dried weight specific gravity factor are 3.2:1; Below catcher-45 degree.
This Cordyceps freeze dryer directly carries out the cryogenic vacuum air dried with the Cordyceps in the bottle in freeze dryer, the heat-sensitive substance that contains in the Cordyceps so degeneration or inactive can not take place; Volatile ingredient loses seldom in the Cordyceps, and the effect of microbial growth and enzyme can't be carried out at low temperatures, therefore can keep original character; Owing under the state that freezes, carry out drying, so volume is almost constant, has kept original structure; Dried matter is loose porous, is spongy, almost recovers original character immediately after adding water; Because drying is carried out under vacuum, oxygen is few, so the material of some easy oxidations has obtained protection; Drying can be got rid of the above moisture of 95%-99%, makes dry back product ability long preservation and unlikely going bad.This product can reach directly edible hygienic requirements, instant.
Claims (1)
1. the freeze dried and antistaled processing technique of a Cordyceps is characterized in that, may further comprise the steps:
One, raw material is a raw material with fresh Cordyceps;
Two, artificial screening is to said impurity removing screening;
Three, ultrasonic waves for cleaning is carried out ultrasonic waves for cleaning through ultrasonic washing unit to said raw material; Said ultrasonic power is 300W, and ultrasonic frequency is 42W, and voltage is 220V; Ozonator is set simultaneously, after the ozone that ozonator produces is water-soluble said raw material is carried out sterilization processing;
Four, suction molding, Cordyceps moisture content 70%;
Five, classification is by said raw material stepped diameter;
Six, freeze dried and antistaled equipment ,-45 degree--50 degree in vacuum freeze; Below vacuum freeze-drying material temperature-45 degree, eutectic point-29 degree; Vacuum 25Pa-12.9Pa; Raw material is resolved sublimation drying: resolve vacuum 12.9Pa-38Pa, the raw material diameter during less than 7-8mm to the heating of equipment internal heating plate less than 0 degree; Fresh feed and dried weight ratio coefficient 2.9 ~ 2.8:1 shut down pressure release, finished product moisture content 1-2%.
Seven, product inspection;
Eight, packing evacuation;
Nine, finished product normal temperature storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110095197 CN102145020B (en) | 2011-04-15 | 2011-04-15 | Chinese caterpillar fungus freeze-dried fresh-keeping processing technique |
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| CN 201110095197 CN102145020B (en) | 2011-04-15 | 2011-04-15 | Chinese caterpillar fungus freeze-dried fresh-keeping processing technique |
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| CN102145020A CN102145020A (en) | 2011-08-10 |
| CN102145020B true CN102145020B (en) | 2012-12-12 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2885396B1 (en) | 2012-08-20 | 2020-02-19 | Chr. Hansen A/S | Method for optimizing a process for freeze drying a bacteria-containing concentrate |
| CN103299986A (en) * | 2013-07-03 | 2013-09-18 | 中山大学 | Parasitic protozoon lyophilized powder and preparation method thereof |
| CN103740592B (en) * | 2014-01-10 | 2015-09-30 | 钱志强 | A kind of fresh keeping method of Cordyceps sinensis |
| CN103937675B (en) * | 2014-04-11 | 2016-05-11 | 钱志强 | A kind of store method of Cordyceps sinensis |
| CN104012994B (en) * | 2014-05-31 | 2015-05-27 | 成都英泊科技有限公司 | Preparation method of freeze-dried bamboo weevils |
| CN104012993B (en) * | 2014-05-31 | 2015-08-05 | 成都英泊科技有限公司 | A kind of preparation method of freeze-drying Cyrtotra chelus longimanus (Fabr) lozenge |
| CN105937833B (en) * | 2015-12-15 | 2018-04-03 | 江苏博莱客冷冻科技发展有限公司 | Cordyceps sinensis lyophilized technique |
| CN105943563A (en) * | 2016-04-29 | 2016-09-21 | 西藏圣龙实业有限公司 | Purification method of cordyceps sinensis |
| CN108931109A (en) * | 2017-05-24 | 2018-12-04 | 重庆戴贺李生物科技有限公司 | A kind of reservation Cordyceps sinensis polysaccharide and the active cordyceps sinensis freeze-drying method of SOD |
| CN108576790A (en) | 2018-03-05 | 2018-09-28 | 江南大学 | A method of the dehydration of conditioning Cordyceps militaris and its quality-improving |
| CN112546076B (en) * | 2020-12-18 | 2022-07-08 | 成都通灵中药饮片精选有限公司 | Dry cordyceps sinensis and processing method thereof |
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| CN101104005B (en) * | 2007-06-12 | 2011-06-22 | 王森 | Biological freeze drying method for Chinese caterpillar fungus |
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