CN101336948A - Panax Notoginseng microwave drying sterilization method - Google Patents

Abstract

The invention relates to a method for drying and sterilizing Panax notoginseng, which comprises the following steps of: (1) sorting Panax notoginseng raw material, washing, and draining; (2) turning on a microwave drying and sterilizing machine, laying the Panax notoginseng raw material on the conveyer belt of the microwave drying and sterilizing machine from the beginning end of the machine, controlling the laying thickness not more than 30 mm, conveying the Panax notoginseng raw material to a hermetic microwave radiation zone positioned in the middle section of the machine via the conveyer belt, and conducting drying and sterilizing, wherein the material feeding port is arranged in a common operation zone and the conveying speed of the conveyer belt is 0.3-5 m/min; and (3) conveying the dried and sterilized Panax notoginseng raw material out of the machine from the tail end arranged in a clean operation zone of the machine via the conveyer belt, collecting, bagging, and packaging. The inventive method adopts microwave drying and sterilization; and has the advantages of high heating speed, uniform heating, low drying temperature (lower than 80 DEG C), short drying time, and effectively saved energy consumption (by over 2/3).

Description

Radix Notoginseng Chinese crude drug microwave drying sterilization method

Technical field

The present invention relates to the dry sterilization process of specific Radix Notoginseng Chinese crude drug.

Background technology

Chinese patent application numbers 200610020880.4 discloses a kind of " manufacture method of microwave vaccum frozen and dried lemon piece ", and this method comprises: 1) Fructus Citri Limoniae is really carried out classification and pick up choosing; 2) Fructus Citri Limoniae is really carried out storage at a constant temperature; 3) ozone repeatedly really carries out chemical residual degradation, sterilization, 4 to Fructus Citri Limoniae) cut Fructus Citri Limoniae fruit end to end after Ozone Water clean, sterilize; 5) Fructus Citri Limoniae is really carried out the section of directed transverse diameter machinery; 6) Fructus Citri Limoniae after the section is carried out freezing, 7) the precooling drying, make Fructus Citri Limoniae section moisture be lower than 30%; 8) microwave vacuum drying is carried out in the section of the dried Fructus Citri Limoniae of precooling, be lower than 8% to moisture content; 9) under the gnotobasis, through high-barrier composite material mechanical seal inner packing, behind the carton intermediate package, the reuse damp-proof membrane carries out protection against the tide envelope box.Chinese patent application numbers 89107157.1 discloses a kind of " apparatus and method of low temperature quick-desiccating disinfection ", it evenly accepts microwave radiation by the rotation material, take double end evacuation and aseptic refrigerating method up and down again, reduce its heat effect, reduce the loss of material nutrient substance and active component.Solid material and liquid material processing unit (plant) be construction system use separately all.When needs carry out high temperature sterilization, also can close refrigeration and vacuum system, improve the microwave transmitting power, moment produces ultra high temperature sterilization (UHTS).

Chinese medicine is the important component part of physianthropy achievement, also is the technology and culture wealth that China shows unique characteristics, and how to control and the inherent quality that improves Chinese medicine is the unremitting target of China Chinese medicine worker.Chinese medicine comprises Chinese crude drug, decoction pieces, Chinese patent medicine, and wherein Chinese crude drug both can be directly medicinal, also is the most basic raw material of preparation decoction pieces, Chinese patent medicine.

Since the particularity of Chinese crude drug, the requirement that its harvesting, the process of preparing Chinese medicine, transportation, storage, sterilization all have specific characteristics.For prevent Chinese crude drug in storage snake, go mouldy, rotten, the medical material after the collection often needs through cleaning, could storing after dry, the sterilization.Drying for Chinese crude drug, traditional handicraft often adopts methods such as oven dry, baking, sun solarization, that these methods expend time in is long, heating uniformity is poor, particularly to bulky medical material, possible surface is bone dry, but interior humidity is still bigger, causes medical material to damage at the storage process mesometamorphism.Because drying time is long, temperature is high, and the medical material that has may go bad, variable color, effective ingredient is destroyed, and has influence on the final products curative effect in addition.

Secondly Chinese crude drug itself often carries a large amount of microorganisms, some medical material before storage without sterilization, be subjected to influence of various factors in the storage process, microorganism is bred in a large number, effective ingredient is destroyed, quality of medicinal material is caused very big influence, and must cause very big economic loss some expensive medical materials.In addition, the sterilization situation of Chinese crude drug also has influence on the quality condition of decoction pieces and Chinese patent medicine.We know, the control of Chinese patent medicine microorganism is the link of a weakness always, the microbial limit index that version pharmacopeia in 2005 will have the crude drug powder directly to enter the non-regulation sterilization preparation of Chinese medicine of medicine bring up to bacterial population be no more than 10000/g (pill, powder be 30000/g), fungi count is no more than 100/g.We see, the antibacterial standard that has improved and the antibacterial standard of Western medicine (the highest be no more than 1000/g) still have very big gap, this also is to hinder one of factor that Chinese medicine goes to the world.Therefore control the microbiological indicator of Chinese medicine, the traditional drying method of improving Chinese medicine has become the problem demanding prompt solution that tcm product moves towards the international market.

Summary of the invention

The object of the present invention is to provide a kind of special microwave drying sterilization method at specific Chinese crude drug-Radix Notoginseng.

Radix Notoginseng Chinese crude drug microwave drying sterilization method of the present invention is made up of following steps:

One, the bright medical material of the Radix Notoginseng that will handle is chosen, cleaned, drench is done;

Two, open the dynamo-electric source of microwave drying sterilization, the feeding mouth tiling of the bright medical material slave unit of Radix Notoginseng starting end is put on the conveyer belt of microwave drying sterilization machine, control medical material tiling thickness is no more than 30mm, by the conveyer belt transmission, the airtight radiation area of microwave of medical material being sent into continuously the equipment stage casing carries out dry sterilization, described feeding mouth is arranged on the normal operations district, and the conveyer belt transmission speed is 0.3～5m/min;

Three, the medical material that dry sterilization is good is sent from the equipment tail end discharging opening that is arranged in the clean operating space with conveyer belt, collects, and goes into bag, packing.

Above-mentioned Chinese crude drug can be the complete root medical material of bright Radix Notoginseng, also can be other medicinal part of Radix Notoginseng.

Equipment of the present invention can be according to the medical material process throughput, the sized devices of selecting 1KW～40KW not wait arbitrarily.Also be according to the radiant power of selected equipment and want the medical material initial water content of dry processing and the final water content of desiring to reach drying time, carry out the dry determination test of sample, determine the raying drying time of medical material, set by control conveyer belt transmission speed, it is adjustable to be generally 0.3～5m/min.Microwave frequency is set at 2450MHZ by device fabrication producer.

The present invention adopts microwave drying sterilization, and firing rate is fast, and the heating globality is more even, and bake out temperature low (being no more than 80 ℃), and drying time is short, and effectively energy savings reaches more than 2/3rds.Such as carrying out drying, per hour need power consumption 100KW with electric heating; And the material of employing microwave drying isodose, power consumption only 20KW per hour can reach same effect; Simultaneously, microwave drying can also be killed worm, ovum, demodicid mite and the various microorganism in the medical material, and does not influence and destroy the color and the composition thereof of dry thing.Traditional baking drying process then is difficult to removings such as the microorganism in the medical material and worm, ovum, demodicid mite are killed, and also needs to carry out special sterilization treatment.This method does not need preheating, does not also have waste heat, and simple to operate being convenient to controlled, and can realize serialization, automatization's interlock operation; This method heating is the selectivity heating, it is only to absorbing the material direct heating of microwave, so the environment thermal losses is low, pollution-free, has so not only improved operator's labor condition, working environment and sanitary condition, and met the GMP requirement of modernized pharmaceutical production management.

The specific embodiment:

Embodiment: to the bright medical materials of 100 kilograms of Radix Notoginseng that will carry out microwave drying sterilization, choose earlier, cleaning, drench do; Open the dynamo-electric source of microwave drying sterilization, reach exsiccant effect according to moisture and requirement, the conveyer belt transmission speed is set at per 3 minutes 1 meter, microwave frequency is set at 2450MHZ by device fabrication producer, start, with the bright medical material slave unit of Radix Notoginseng starting end feeding mouth, tiling is put on the microwave drying sterilization machine conveyer belt, medical material tiling thickness is no more than 30mm, and the airtight radiation area of microwave that makes the bright medical material of Radix Notoginseng send into the equipment stage casing with conveyer belt carries out the continuous drying sterilization; After 5 minutes, pseudo-ginseng is sent with the discharging opening that is arranged in the clean area of conveyer belt slave unit tail end, just can collect, and according to packing instructions pseudo-ginseng is carried out the quota packing, promptly finishes the processing of dry sterilization.

Claims (1)

1, a kind of Radix Notoginseng Chinese crude drug microwave drying sterilization method is characterized in that being made up of following steps:

One, the bright medical material of the Radix Notoginseng that will handle is chosen, cleaned, drench is done;

Two, open the dynamo-electric source of microwave drying sterilization, the feeding mouth tiling of the bright medical material slave unit of Radix Notoginseng starting end is put on the conveyer belt of microwave drying sterilization machine, control medical material tiling thickness is no more than 30mm, by the conveyer belt transmission, the airtight radiation area of microwave of medical material being sent into continuously the equipment stage casing carries out dry sterilization, described feeding mouth is arranged on the normal operations district, and the conveyer belt transmission speed is 0.3～5m/min;

Three, the medical material that dry sterilization is good is sent from the equipment tail end discharging opening that is arranged in the clean operating space with conveyer belt, collects, and goes into bag, packing.