CN103735723A - Dried figwort and preparation method thereof - Google Patents
Dried figwort and preparation method thereof Download PDFInfo
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- CN103735723A CN103735723A CN201310742647.7A CN201310742647A CN103735723A CN 103735723 A CN103735723 A CN 103735723A CN 201310742647 A CN201310742647 A CN 201310742647A CN 103735723 A CN103735723 A CN 103735723A
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Abstract
The invention discloses dried figwort and a preparation method thereof. The method comprises the steps of figwort digging, cleaning, airing, slicing, microwave vacuum drying, forced air drying and packaging; different drying processes are adopted according to different types of Nanchuan figwort. A microwave vacuum drying technology is applied to the preparation of dried Nanchuan figwort, so that the prepared dried figwort has the advantages of high quality, high efficiency, low consumption and low emission, and the process parameters can be directly used in large-scale production. In the prepared dried figwort, major medicinal compositions of figwort are kept, so that the defects of the conventional medicinal material processing are overcome, and the market benefit can be achieved directly. Moreover, the dried figwort can be taken as high-quality figwort decoction pieces, and is a high-quality medicinal material for development of figwort health-care products.
Description
Technical field
The present invention relates to Chinese medicine manufacture field, in particular a kind of Radix Scrophulariae is done and preparation method thereof.
Background technology
Radix Scrophulariae is the dry root of goatweed Radix Scrophulariae, and another name Radix Scrophulariae, black ginseng, Zhejiang Radix Scrophulariae, black Radix Scrophulariae etc., rank 40 kinds of conventional bulk medicinal materials kinds of China, has the effect of heat-clearing and toxic substances removing, removing heat from blood YIN nourishing.Nanchuan District, Chongqing City, from introducing a fine variety, plant existing more than 50 years history of Radix Scrophulariae, is awarded " township of Chinese genuine medicinal materials Radix Scrophulariae " for 2010,2011 Nian Bei China Chinese crude drug association called afters " Nanchuan Radix Scrophulariae ".Nanchuan Radix Scrophulariae output accounts for the whole nation more than 68% at present, and Nanchuan Radix Scrophulariae main breed is ' river Radix Scrophulariae ', ' grace Radix Scrophulariae ' and ' Zhejiang Radix Scrophulariae ', the dry traditional method of continuing to use to fresh medicine.Because traditional method lacks scientific management and standardized production, directly cause Nanchuan Radix Scrophulariae economic flow rate and commodity price is irregular differs, its quality of remote-effects and popularity.
Radix Scrophulariae main pharmacodynamics composition is iridoid glycoside and Phenylpropanoid Glycosides glycosides, and Harpagide, harpagoside, aucubin are three main iridoid glycoside constituents in Radix Scrophulariae, have the effects such as antiinflammatory, blood sugar lowering, enhancing immunity, anti-hepatitis virus; Angole glycoside C and verbascoside are Phenylpropanoid Glycosides methods of glycosides main in Radix Scrophulariae, have anticoagulant, protect the liver, the effect such as antioxidation.Harpagoside, aucubin poor heat stability, easily decompose, and angole glycoside C and verbascoside absolute acid stability are good, but oxidizable degeneration, so the drying means of fresh medicine and concocting method are larger to its quality influence.
Microwave vacuum drying is Modern New Technology, and it combines microwave drying and vacuum drying advantage separately, extensive use in agricultural product.Modern dry technology is applied to processing of crude drugs, significant for improving quality of medicinal material, enhance productivity and implementing industrialization.
The technology of existing dry Radix Scrophulariae has following shortcoming: (1) is long drying time; (2) baking temperature is high; (3) technique linear dependence is poor; (4) drying process does not relate to the comparison of Radix Scrophulariae breed difference.
Summary of the invention
Technical problem to be solved by this invention is the deficiency existing for prior art, provides a kind of Radix Scrophulariae to do and preparation method thereof.
Technical scheme of the present invention is as follows:
The preparation method that Radix Scrophulariae is dry, its step comprises that Radix Scrophulariae is excavated, cleans, dried, section, microwave vacuum drying, forced air drying, packing.According to Nanchuan Radix Scrophulariae different cultivars, drying process is different; Its drying process is: (1) river Radix Scrophulariae: the first stage adopts 2000W microwave, and dry terminal is discharge rate 55%～57%, meets linear equation y=32.475x-95.313, R2=0.9981; Second stage adopts 1500W microwave, and dry terminal is discharge rate 65%～67%, meets linear equation y=26.323x-18.538, R2=0.9962; Phase III adopts 1000W microwave, and dry terminal is discharge rate 70%～71%; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 76～77%; (2) grace Radix Scrophulariae: adopt 1500W microwave, dry terminal is discharge rate 60%～62%, meets linear equation y=25.570x-208.92, R2=0.9995; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 76～78%; (3) Zhejiang Radix Scrophulariae: the first stage adopts 2000W microwave, and dry terminal is discharge rate 44%～46%, meets linear equation y=31.596x-34.275, R2=0.9997; Second stage adopts 1500W microwave, and dry terminal is discharge rate 60%～61%, meets linear equation y=26.716x-68.409, R2=0.9914; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 75～76%; Wherein, y is displacement, the g of unit; X is the time, the min of unit.
It is dry that described preparation method obtains Radix Scrophulariae.
The present invention is by microwave vacuum drying technology for the dry making of Nanchuan Radix Scrophulariae, and the Radix Scrophulariae that makes is dry has advantages of " high-quality and efficient low consumption low emission ", and its technological parameter can be directly used in large-scale production.The dry main pharmacodynamics composition that has kept Radix Scrophulariae of Radix Scrophulariae prepared by the present invention, has overcome the shortcoming that traditional medicine is processed, and can directly bring market income.In addition, the dry high-quality Radix Scrophulariae decoction pieces that can be used as of this Radix Scrophulariae, is also the high-quality medical material of exploitation Radix Scrophulariae health product.
Accompanying drawing explanation
Fig. 1 is the whole drying curve of river Radix Scrophulariae first stage microwave.
Fig. 2 is the whole drying curve of river Radix Scrophulariae second stage microwave.
Fig. 3 is the whole drying curve of grace Radix Scrophulariae microwave.
Fig. 4 is the whole drying curve of Zhejiang Radix Scrophulariae first stage microwave.
Fig. 5 is the whole drying curve of Zhejiang Radix Scrophulariae second stage microwave.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.In the present invention, appearing at the carbonization phenomenon in embodiment or reference examples, is in order to select the critical point of optimised process.
Embodiment 1 reference examples
River Radix Scrophulariae 5715g, 2000W microwave vacuum drying 90min, draining 2755g, discharge rate is 48.2%; Be dried to 110min, accumulative total draining 3395g, accumulative total discharge rate 59.41%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1355g, accumulative total discharge rate 76.3%.
River Radix Scrophulariae 5090g, 2000W microwave vacuum drying 80min, draining 2550g, discharge rate is 50.1%; 1500W microwave vacuum drying 30min, draining 785g, accumulative total discharge rate 65.5%; 1000W microwave vacuum drying 20min, draining 290g, accumulative total discharge rate 71.2%; Put into air dry oven to constant weight.Dry weight 1160g, accumulative total discharge rate 77.0%.
Embodiment 3 reference examples
River Radix Scrophulariae 10000g, 2000W microwave vacuum drying 170min, draining 5405g, discharge rate is 54.05%; 1500W microwave vacuum drying 45min, draining 1175g, accumulative total discharge rate 65.8%; 1000W microwave vacuum drying 40min, draining 660g, accumulative total discharge rate 72.4%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 2305g, accumulative total discharge rate 76.95%.
Embodiment 4 reference examples
River Radix Scrophulariae 5755g, 2000W microwave vacuum drying 105min, draining 3320g, discharge rate is 57.7%; 1500W microwave vacuum drying 25min, draining 630g, accumulative total discharge rate 68.6%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1345g, accumulative total discharge rate 76.63%.
Embodiment 5 reference examples
River Radix Scrophulariae 8690g, 2000W microwave vacuum drying 154min, draining 4955g, discharge rate is 57.2%; 1500W microwave vacuum drying 35min, draining 895g, accumulative total discharge rate 67.1%; 1000W microwave vacuum drying 30min, draining 435g, accumulative total discharge rate 72.1%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 2055g, accumulative total discharge rate 76.4%.
Embodiment 6
River Radix Scrophulariae 7385g, 2000W microwave vacuum drying 132min, draining 4170g, discharge rate is 56.5%; 1500W microwave vacuum drying 30min, draining 780g, accumulative total discharge rate 67.0%; 1000W microwave vacuum drying 20min, draining 285g, accumulative total discharge rate 70.9%; Put into air dry oven to constant weight.Dry weight 1715g, accumulative total discharge rate 76.8%.
Embodiment 7
River Radix Scrophulariae 9000g, 2000W microwave vacuum drying 155min, draining 4960g, discharge rate is 55.1%; 1500W microwave vacuum drying 40min, draining 1020g, accumulative total discharge rate 66.4%; 1000W microwave vacuum drying 22min, draining 330g, accumulative total discharge rate 70.1%; Put into air dry oven to constant weight.Dry weight 2155g, accumulative total discharge rate 76.1%.
Embodiment 8 reference examples
Grace Radix Scrophulariae 6130g, 2000W microwave vacuum drying 100min, draining 3075g, discharge rate is 50.2%, slightly carbonization; Be dried to 125min, accumulative total draining 3875g, accumulative total discharge rate 63.2%, carbonization is serious; Put into air dry oven to constant weight.Dry weight 1350g, accumulative total discharge rate 77.98%.
Embodiment 9 reference examples
Grace Radix Scrophulariae 4800g, 2000W microwave vacuum drying 78min, draining 2475g, discharge rate is 51.6%, slightly carbonization; 1500W microwave vacuum drying 27min, draining 670g, accumulative total discharge rate 65.5%, carbonization increases the weight of; Put into air dry oven to constant weight.Dry weight 1085g, accumulative total discharge rate 76.7%.
Embodiment 10 reference examples
Grace Radix Scrophulariae 4440g, 2000W microwave vacuum drying 57min, draining 1700g, discharge rate is 38.3%, slightly carbonization; 1500W microwave vacuum drying 42min, draining 1055g, accumulative total discharge rate 62.05%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1010g, accumulative total discharge rate 77.3%.
Embodiment 11
Grace Radix Scrophulariae 5325g, 1500W microwave vacuum drying, at 20min, 40min, 60min, 80min, 100min, 120min, 127min, 135min, 140min, survey displacement respectively, accumulative total displacement is 330g, 830g, 1345g, 1850g, 2350g, 2845g, 3020g, 3180g, 3315g respectively, and accumulative total discharge rate is 62.0%; Put into air dry oven to constant weight.Dry weight 1270g, accumulative total discharge rate 76.2%.
Embodiment 12 reference examples
Grace Radix Scrophulariae 7630g, 1500W microwave vacuum drying 185min, draining 4545g, discharge rate is 59.6%; 1000W microwave vacuum drying 25min, draining 360g, accumulative total discharge rate 64.3%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1740g, accumulative total discharge rate 77.14%.
Embodiment 13 reference examples
Grace Radix Scrophulariae 6560g, 1500W microwave vacuum drying 160min, draining 3870g, discharge rate is 59%; 1000W microwave vacuum drying 15min, draining 230g, accumulative total discharge rate 62.5%; Put into air dry oven to constant weight.Dry weight 1570g, accumulative total discharge rate 76.1%.
Embodiment 14 reference examples
Grace Radix Scrophulariae 10000g, 1500W microwave vacuum drying 240min, draining 5985g, discharge rate is 59.85%; 500W microwave vacuum drying 60min, draining 520g, accumulative total discharge rate 65.05%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 2245g, accumulative total discharge rate 77.55%.
Embodiment 15 reference examples
Zhejiang Radix Scrophulariae 5065g, 2000W microwave vacuum drying 79min, draining 2480g, discharge rate is 48.96%, slightly carbonization; 1500W microwave vacuum drying 30min, draining 690g, accumulative total discharge rate 62.6%, carbonization is obvious; Put into air dry oven to constant weight.Dry weight 1230g, accumulative total discharge rate 75.7%.
Embodiment 16 reference examples
Zhejiang Radix Scrophulariae 4160g, 2000W microwave vacuum drying 62min, draining 1920g, discharge rate is 46.2%; 1500W microwave vacuum drying 30min, draining 730g, accumulative total discharge rate 63.7%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1010g, accumulative total discharge rate 75.7%.
Embodiment 17 reference examples
Zhejiang Radix Scrophulariae 6910g, 2000W microwave vacuum drying 100min, draining 3140g, discharge rate is 45.4%; 1500W microwave vacuum drying 42min, draining 1060g, accumulative total discharge rate 60.8%; 500W microwave vacuum drying 20min, draining 180g, accumulative total discharge rate 63.4%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 1715g, accumulative total discharge rate 75.2%.
Embodiment 18
Zhejiang Radix Scrophulariae 6400g, 2000W microwave vacuum drying 91min, draining 2820g, discharge rate is 44.1%; 1500W microwave vacuum drying 43min, draining 1085g, accumulative total discharge rate 61%; Put into air dry oven to constant weight.Dry weight 1600g, accumulative total discharge rate 75%.
Embodiment 19 reference examples
Zhejiang Radix Scrophulariae 10000g, 2000W microwave vacuum drying 146min, draining 4580g, discharge rate is 45.8%; 1500W microwave vacuum drying 63min, draining 1600g, accumulative total discharge rate 61.8%, slightly carbonization; Put into air dry oven to constant weight.Dry weight 2445g, accumulative total discharge rate 75.55%.
Zhejiang Radix Scrophulariae 7100g, 2000W microwave vacuum drying 105min, draining 3270g, discharge rate is 46.0%; 1500W microwave vacuum drying 37min, draining 980g, accumulative total discharge rate 60.1%; Put into air dry oven to constant weight.Dry weight 1750g, accumulative total discharge rate 75.4%.
Radix Scrophulariae-river, table 1 Nanchuan Radix Scrophulariae drying parameter table
Table 2 Nanchuan Radix Scrophulariae-En Radix Scrophulariae drying parameter table
Table 3 grace Radix Scrophulariae microwave vacuum drying accumulative total Displacement Scale
Radix Scrophulariae-Zhejiang, table 4 Nanchuan Radix Scrophulariae drying parameter table
Fig. 1, Fig. 2 be for river Radix Scrophulariae in first, second stage of microwave vacuum drying, the linearity curve of displacement and time, the data of employing are in embodiment and reference examples, to close on carbonization or the data point of carbonization slightly.Fig. 3 be grace Radix Scrophulariae at the displacement of microwave vacuum drying power 1500W and the linearity curve of time, 2000W microwave power easily causes carbonization; After even 1500W is dry, then it is dry with the microwave of 1000W or 500W, to carry out stage, and it is not very large that discharge rate is affected.Fig. 4, Fig. 5 be for Zhejiang Radix Scrophulariae in first, second stage of microwave vacuum drying, the linearity curve of displacement and time, the data of employing are in embodiment and reference examples, to close on carbonization or the data point of carbonization slightly.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (2)
1. the dry preparation method of Radix Scrophulariae, is characterized in that, its step comprises that Radix Scrophulariae is excavated, cleans, dried, section, microwave vacuum drying, forced air drying, packing; According to Nanchuan Radix Scrophulariae different cultivars, drying process is different; Its drying process is: (1) river Radix Scrophulariae: the first stage adopts 2000W microwave, and dry terminal is discharge rate 55%～57%, meets linear equation y=32.475x-95.313, R
2=0.9981; Second stage adopts 1500W microwave, and dry terminal is discharge rate 65%～67%, meets linear equation y=26.323x-18.538, R
2=0.9962; Phase III adopts 1000W microwave, and dry terminal is discharge rate 70%～71%; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 76～77%; (2) grace Radix Scrophulariae: adopt 1500W microwave, dry terminal is discharge rate 60%～62%, meets linear equation y=25.570x-208.92, R
2=0.9995; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 76～78%; (3) Zhejiang Radix Scrophulariae: the first stage adopts 2000W microwave, and dry terminal is discharge rate 44%～46%, meets linear equation y=31.596x-34.275, R
2=0.9997; Second stage adopts 1500W microwave, and dry terminal is discharge rate 60%～61%, meets linear equation y=26.716x-68.409, R
2=0.9914; After microwave vacuum drying, forced air drying is to constant weight, and accumulative total discharge rate is 75～76%; Wherein, y is displacement, the g of unit; X is the time, the min of unit.
2. it is dry that preparation method according to claim 1 obtains Radix Scrophulariae.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104666589A (en) * | 2014-11-28 | 2015-06-03 | 湖北中医药大学 | Technology for efficiently preparing scrophulariae decoction piece by employing one-step process |
| CN104824632A (en) * | 2015-05-15 | 2015-08-12 | 四川食为天农业有限公司 | Preparation method of tricholoma matsutake extracting solution freeze-dried powder |
| CN104905249A (en) * | 2015-05-15 | 2015-09-16 | 四川食为天农业有限公司 | Production process of freezed-dried chuanminshen violaceum |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104666589A (en) * | 2014-11-28 | 2015-06-03 | 湖北中医药大学 | Technology for efficiently preparing scrophulariae decoction piece by employing one-step process |
| CN104824632A (en) * | 2015-05-15 | 2015-08-12 | 四川食为天农业有限公司 | Preparation method of tricholoma matsutake extracting solution freeze-dried powder |
| CN104905249A (en) * | 2015-05-15 | 2015-09-16 | 四川食为天农业有限公司 | Production process of freezed-dried chuanminshen violaceum |
| CN104824632B (en) * | 2015-05-15 | 2017-04-19 | 四川食为天农业有限公司 | Preparation method of tricholoma matsutake extracting solution freeze-dried powder |
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Application publication date: 20140423 |