Method for processing prepared rehmannia root

Abstract

The invention belongs to the field of traditional Chinese medicines, relating to a process for processing prepared rehmannia root which is Chinese herbal pieces for decoction. The process comprises the following steps of: soaking rehmannia root for 12 to 36 hours, and then taking out and draining; adding water 5 to 8 times more than the rehmannia root, and stewing for 6 to 24 hours; adding 0.5 to4kg of amomum fruit and 1 to 6kg of tangerine peel into every 100kg of the stewed rehmannia root, continuing to stew for 6 hours, airing till the surfaces of the rehmannia root is slightly dry, and mixing with the remaining decoction; after the decoction is completely absorbed, drying at a temperature within a range of 60-80 DEG C till the moisture content is 12% to 20%, adding 10 to 30g of yellow rice wine into every 100kg of a dried product, moistening until the yellow rice wine is completely absorbed, steaming for 4 to 12 hours, pouring out, and airing to the room temperature; cutting the obtained rehmannia root into slices of 2 to 4mm in thickness, and drying at a temperature within the range of 60 to 80 DEG C till the moisture content is 8% to 15%, thereby obtaining the prepared rehmannia root. The prepared rehmannia root produced in the invention has the characteristics of black and bright surface, moist, soft and flexible texture, brilliantly black section, less smell and sweettaste, and is high in the contents of reducing sugars, polysaccharides and trace elements. The yield of the prepared rehmannia root is 60%-70%.

Description

technical field [0001] The invention belongs to the field of traditional Chinese medicines, and relates to a processing technology of rehmannia glutinosa prepared from traditional Chinese medicines. Background technique [0002] Rehmannia glutinosa is a large variety in the market of Chinese medicine decoction pieces, and it is a plant of Scrophulariaceae Rehmannia glubinosa The rhizome of Libosch. is processed by processing. Dried Rehmannia glutinosa is named Rehmannia glutinosa after steaming, which has the functions of nourishing yin and blood, benefiting essence and filling marrow. It is widely used clinically to treat liver and kidney yin deficiency, dizziness and tinnitus, soreness of waist and knees, thirst, nocturnal emission, metrorrhagia, premature graying of beard and hair, etc. Modern pharmacological studies have shown that Rehmannia glutinosa has the functions of diuresis, sedation, lowering blood pressure, lowering cholesterol, improving cerebral blood flow ...

AI Technical Summary

Problems solved by technology

However, because the enterprise did not make use of the traditional technological advantages, the processing technology is still controlled according to experience, which cannot adapt to the development of large-scale production and modern Chinese medicine.

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