Preparation method and application of Odaxia polysaccharide
A technology of Edacia polysaccharide and Edacia, which is applied in the field of plant polysaccharide preparation, can solve the problems of no obvious analgesic effect, disappearance of analgesic effect, etc., and achieves excellent hydrolysis effect, accurate medicine application, and the effect of improving yield.
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Embodiment 1
[0093] Embodiment 1: A kind of dry ointment of Erdaxia:
[0094] The present embodiment provides a kind of dry ointment of Erda Xia, such as figure 1 with figure 2 As shown, the dry ointment of Erdaxia is prepared through the following steps:
[0095] Step 1. After pretreatment of 2.5kg of Erdaxia herbs, add 25L of water to a 500L sandwich pot for the first decoction. The decoction temperature is 190°C, and the decoction time is 80-100min, stirring every 20min. once. After decocting, filter for the first time (100 mesh sieve) to obtain medicine dregs I and medicine liquid I.
[0096] Step 2. Add 25L of water to the medicinal residue I, and decoct for the second time. The decoction temperature is 190°C, the decoction time is 50-70min, and stirring once every 20min; after decoction, perform the second filtration (100 mesh sieve) , to obtain dregs II and liquid II.
[0097] Step 3, mixing the medicinal liquid I and the medicinal liquid II together to obtain a filtered medi...
Embodiment 2
[0116] Embodiment 2: Odaxia polysaccharide:
[0117] This embodiment provides a kind of Odaxia polysaccharide, and the Odaxia polysaccharide is prepared by the following steps:
[0118] Step 1. Edaxia is dried to a water content of 16%, pretreated by twin-screw extruder extrusion and puffing under the conditions of feeding speed 10kg / h, screw speed 500r / min, extrusion temperature 115°C, and pulverized until over 100 mesh sieve;
[0119] Step 2. After pre-treating 2kg of the Erdaxia medicinal material powder obtained in Step 1, add 20L of water to a 500L-capacity sandwich pot for the first decoction. The decoction temperature is 190°C and the decoction time is 100min. Stir for 20 minutes at 120r / min, filter through a 100-mesh sieve to obtain medicinal residue I and medicinal liquid I; add the medicinal residue I to 20L water for the second decoction, decoction temperature 190°C, decoction time 60min, every 20min Stirring at 120r / min for 2min, filtering through a 100-mesh siev...
Embodiment 3
[0128] Example 3: another urdaxia polysaccharide:
[0129] This embodiment provides another kind of Odaxia polysaccharide, which includes small molecule Odaxia polysaccharide a and small molecule Odaxia polysaccharide b, and its preparation method specifically includes:
[0130] Step 1. Edaxia is dried to a water content of 10%, pretreated with a twin-screw extruder at a feed rate of 10kg / h, a screw speed of 500r / min, and an extrusion temperature of 115°C. 100 mesh sieve;
[0131] Step 2 to step 8 are all the same as in Example 2.
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