CN102949419B - Lucid ganoderma drying method - Google Patents
Lucid ganoderma drying method Download PDFInfo
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- CN102949419B CN102949419B CN201210492596.2A CN201210492596A CN102949419B CN 102949419 B CN102949419 B CN 102949419B CN 201210492596 A CN201210492596 A CN 201210492596A CN 102949419 B CN102949419 B CN 102949419B
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Abstract
The invention discloses a lucid ganoderma drying method. The method comprises the following steps of cutting off stipe of lucid ganoderma to be dried, and then placing the lucid ganoderma pileus into a vacuum pulse drying machine to be dried in a vacuum drying pulse method, so that the dried lucid ganoderma is obtained. The vacuum pulse drying technology is a novel drying technology and is characterized in that materials are placed in a pressure drying chamber which continuously alternately stays at a vacuum state and a normal pressure state, a vacuum maintaining time, a normal pressure maintaining time and a drying temperature are important parameters for controlling a material drying process, and the vacuum maintaining time and the normal pressure maintaining time are defined as a pulse ratio. Due to the adoption of the drying method, the postharvest machining time of the lucid ganoderma is shortened, and the problems of the traditional fire drying method and the pollution of sulfuric dioxide caused by the fire drying method can be avoided.
Description
Technical field
The present invention relates to the drying means of a kind of Ganoderma, belong to Chinese crude drug processing technique field.
Background technology
Ganoderma [Ganodermalucidum (Leys.ex Fr.) Karst] is Polyporaceae (polyproraceae), Ganoderma (Ganoderma) Mycophyta, and what on the Pharmacopoeia of the People's Republic of China, income was originated as medical material Ganoderma is the dry sporophore of Ganoderma lucidum (Leyss. Ex Fr.) Karst. [Ganodermalucidum (Leys.exFr.) Karst] or Ganoderma [Ganodermajaponicum (Fr.) Lloyd].Ganoderma is warm in nature, sweet in the mouth, there is effect strong outside invigorating the spleen and replenishing QI, taste, strengthening the body resistance, cure mainly asthenia, cough, asthma, insomnia, dyspepsia, be used for the treatment of clinically the diseases such as chronic tracheitis, bronchial asthma, leukopenia, coronary heart disease, arrhythmia, acute infectious hepatitis.
Ganoderma moisture is higher; the moisture of the Ganoderma of freshly harvested is conventionally in 60% left and right; and Ganoderma is as a kind of Mycophyta biology; there is no good biological protection barrier; if so Ganoderma can not be processed after gathering timely; will rot very soon, even mouldy, cause great economic loss.So, the later Ganoderma of gathering is dried to processing in time, just seem especially important.
Ganoderma generally grows among remote mountains, after therefore Ganoderma is gathered, generally after the dry processing in locality, transports other places to nearby again.Well imagine, among remote mountains, the drying mode of Ganoderma is very original and backward.Ganoderma is as the higher material of a kind of polyoses content, very sensitive to temperature, and the thermal source of existing drying mode is generally the cooking stove of peasant household, and baking temperature is difficult to control.Once when dry temperature has exceeded 75 ℃ of a period of times, will make the Ganoderma cap back side that serious brown stain occurs, even occur the phenomenon being charred; And such drying mode efficiency is lower, generally will surpass two days later.Ganoderma is as a kind of famous and precious Chinese crude drug, if because dry former thereby cause the medical value of Ganoderma and the reduction of economic worth, regretted very much, therefore the dry processing mode of a kind of novel Ganoderma of research invention is very necessary.
Ganoderma will belong to Polyporaceae from biological classification, and the pore structure of Ganoderma inside is very abundant, and hole moisture is around very easy under the effect of diffusion along with hole is moved out, so Ganoderma is not to be difficult to dry material in theory.But why in Ganoderma dry run, there will be some problems? the hole of Ganoderma inside is very flourishing, but need to there is free moisture diffusion near the hole of Ganoderma time, be dried and just can carry out very soon, but because Ganoderma has certain thickness, and it is very low that Ganoderma lignum structure makes heat be delivered to inner efficiency from outside, it is very slow to the speed of hole that inner lower temperature is dissociated moisture, thereby extended whole drying time, and cause the inside and outside even phenomenon of uneven drying of Ganoderma.Therefore, the key that solves the dry problem of Ganoderma is to help the water in Ganoderma tissue to be diffused into around hole as soon as possible, thereby accelerates rate of drying.
Vacuum impulse dryer technology is a kind of novel dry technology, refer to that the pressure drying that material constantly hockets in " vacuum-normal pressure-vacuum-normal pressure ... " in dry is indoor, wherein vacuum retention time, normal pressure retention time and baking temperature are the important parameters of controlling in dry materials process, and vacuum retention time and normal pressure retention time are defined as " pulsation ratio ".
Summary of the invention
The object of this invention is to provide the drying means of a kind of Ganoderma, the present invention can solve the dry long processing time of China tradition Ganoderma, inferior shortcoming, has advantages of that the time is short, color and luster keeps, drug effect is lost few.
The drying means of a kind of Ganoderma provided by the present invention, comprises the steps:
Cut the stem of Ganoderma to be dried, then Ganoderma cap is placed in to vacuum impulse dryer machine and carries out vacuum impulse dryer, obtain the Ganoderma of drying.
In above-mentioned drying means, under Ganoderma cap, 1 ~ 3cm place cuts stem; Can select basswood red ganoderma, cap radius >=7cm, thickness is 1～2cm.
In above-mentioned drying means, the temperature of described vacuum impulse dryer can be 50～85 ℃, specifically can be 70 ℃ ~ 80 ℃, 70 ℃, 75 ℃ or 80 ℃; The pulsation ratio can be under 0.085～0.098MPa and 0Mpa in vacuum can be (2～20min): (2～12min), as pulsation under 0.085MPa and 0Mpa than for 7min:3min, pulsation under 0.098MPa and 0Mpa than the pulsation under 5min:2min or 0.093MPa and 0Mpa than being 7min:5min, time can be 4 ~ 20 hours, specifically can be 4 ~ 6 hours, 4 hours, 5 hours or 6 hours.
In above-mentioned drying means, the pulsation ratio of described vacuum impulse dryer can be (2～10min): (2～12min), the lasting time of each drying stage can be 3 ~ 5 hours, and after drying, the wet basis moisture content of Ganoderma is less than 13%.
In above-mentioned drying means, the pulsation ratio of described vacuum impulse dryer can be (5～7min): (2～5min), and the lasting time of each drying stage can be 3 ~ 5 hours, as 3 hours, 3.5 hours or 5 hours, after drying, the wet basis moisture content of Ganoderma is less than 13%.
In above-mentioned drying means, in described vacuum impulse dryer process, take 5 ℃ as one drying stage.
In above-mentioned drying means, described method also comprises the step that dried Ganoderma is packed with plastic sheeting.
The present invention has following beneficial effect: drying means provided by the invention has shortened adopting the post-treatment time of Ganoderma, the problem of having avoided the dry and sulfur dioxide that brings of traditional naked light etc. to pollute.
The specific embodiment
The experimental technique using in following embodiment if no special instructions, is conventional method.
Material, reagent etc. used in following embodiment, if no special instructions, all can obtain from commercial channels.
Following examples Ganoderma raw material used is produced basswood red ganoderma by Zhejiang Province's Longquan City, cap radius >=7cm, and thickness is 1～2cm, initial aqueous rate is in 58% left and right.
Following examples are unrestricted the present invention in order to describe drying and processing method of the present invention in detail only.
Embodiment 1,
(1) Ganoderma of selected high-quality, under Ganoderma cap, 2cm place cuts stem;
(2) by downward Ganoderma cap, be put in vacuum impulse dryer device dry, baking temperature is progressively elevated to 70 ℃ take every 5 ℃ as one drying stage from 55 ℃, hothouse vacuum pulsation ratio with 7min:3min under 0.085MPa and 0Mpa is pulsed, the lasting time of each drying stage is 3 hours, when the wet basis moisture content of Ganoderma is 13% to stop being dried.
(3) dried ganoderma lucidum product is packed with plastic sheeting.
Ganoderma provided by the invention drying time is 4hr, has strengthened the quality guarantee (because there is no the grilled sulfur dioxide pollution that do not have) of Ganoderma, has avoided the pollution of the rotten and sulfur dioxide that causes because of long processing time etc.
Embodiment 2,
(1) Ganoderma of selected high-quality, under Ganoderma cap, 1cm place cuts stem;
(2) by downward Ganoderma cap, be put in vacuum impulse dryer device dry, baking temperature is progressively elevated to 75 ℃ of hothouse vacuums pulsation ratio with 5min:2min under 0.098MPa and 0Mpa take every 5 ℃ as one drying stage from 60 ℃ and pulses, the lasting time of each drying stage is 5 hours, in the time that the wet basis moisture content of Ganoderma is 13%, stops being dried.
(3) dried ganoderma lucidum product is packed with plastic sheeting.
Ganoderma provided by the invention drying time is 6hr, has strengthened the quality guarantee (because there is no the grilled sulfur dioxide pollution that do not have) of Ganoderma, has avoided the pollution of the rotten and sulfur dioxide that causes because of long processing time etc.
Embodiment 3,
(1) Ganoderma of selected high-quality, under Ganoderma cap, 3cm place cuts stem;
(2) by downward Ganoderma cap, be put in vacuum impulse dryer device dry, baking temperature is progressively elevated to 80 ℃ of hothouse vacuums pulsation ratio with 7min:5min between 0.093MPa and 0Mpa take every 5 ℃ as one drying stage from 65 ℃ and pulses, the lasting time of each drying stage is 3.5 hours, in the time that the wet basis moisture content of Ganoderma is 13%, stops being dried.
(3) dried ganoderma lucidum product is packed.
Ganoderma provided by the invention drying time is 5hr, has strengthened the quality guarantee (because there is no the grilled sulfur dioxide pollution that do not have) of Ganoderma, has avoided the pollution of the rotten and sulfur dioxide that causes because of long processing time etc.
Claims (5)
1. a drying means for Ganoderma, comprises the steps:
Cut the stem of Ganoderma to be dried, then Ganoderma cap is placed in to vacuum impulse dryer machine and carries out vacuum impulse dryer, obtain the Ganoderma of drying;
The temperature of described vacuum impulse dryer is 50～85 ℃, vacuum be pulsation under 0.085～0.098MPa and 0Mpa than being (2～20min): (2～12min), the time is 4～20 hours;
In described vacuum impulse dryer process, take 5 ℃ as one drying stage.
2. drying means according to claim 1, is characterized in that: under Ganoderma cap, 1～3cm place cuts stem.
3. drying means according to claim 1, is characterized in that: the pulsation ratio of described vacuum impulse dryer is (2～10min): (2～12min), the lasting time of each drying stage is 3～4 hours.
4. drying means according to claim 1, is characterized in that: the pulsation ratio of described vacuum impulse dryer is (5～7min): (2～5min), the lasting time of each drying stage is 3～4 hours.
5. according to the drying means described in any one in claim 1-4, it is characterized in that: described method also comprises the step that dried Ganoderma is packed with plastic sheeting.
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| CN201210492596.2A CN102949419B (en) | 2012-11-27 | 2012-11-27 | Lucid ganoderma drying method |
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| CN201210492596.2A CN102949419B (en) | 2012-11-27 | 2012-11-27 | Lucid ganoderma drying method |
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| CN102949419B true CN102949419B (en) | 2014-05-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101261073A (en) * | 2008-04-15 | 2008-09-10 | 中国农业大学 | Drum-type vacuum pulsing temperature-variable drying method and apparatus |
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| CN101261073A (en) * | 2008-04-15 | 2008-09-10 | 中国农业大学 | Drum-type vacuum pulsing temperature-variable drying method and apparatus |
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Address after: 510620 Guangdong city in Guangzhou Province, the Pearl River in Tianhe District Pearl River New Town West Road No. 12 unlimited center 17 Applicant after: Infinitus (China) Co., Ltd. Applicant after: ZHEJIANG KEDA BIOTECHNOLOGY CO., LTD. Address before: 510620 Guangdong city in Guangzhou Province, the Pearl River in Tianhe District Pearl River New Town West Road No. 12 unlimited center 17 Applicant before: Infinitus (China) Co., Ltd. Applicant before: Longquan City Keda Agricultural Product Co., Ltd. |
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