Philippine violet herb dry paste powder and extraction method as well as philippine violet herb capsule and production method
The technology of the dry ointment of Radix Radix et Rhizoma and the technology of Radix Radix et Rhizoma is applied in the directions of capsule delivery, pharmaceutical formulations, medical preparations containing active ingredients, etc. The problems such as low content of Qinpiyi can achieve the effect of restoring self-defense and self-purification ability, simple and effective extraction method, and improving the utilization rate of medicinal materials
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Embodiment 1
[0045] A method for extracting Viola didin, comprising the steps of:
[0046](1) One-time decoction: add Viola diba in the water of 10 times the weight of the Viola dichotoma to obtain a primary infusion, heat to 95°C to boil the primary infusion, keep warm for 1 hour, and filter to obtain the primary filtrate and filter residue;
[0047] (2) Secondary decoction: add the filter residue obtained in step (1) into water that is 8 times the weight of the filter residue to obtain a secondary immersion liquid, heat the secondary immersion liquid to boil, keep it warm for 0.5h, and then filter to obtain secondary filtrate;
[0048] (3) concentration under reduced pressure: after combining the primary filtrate obtained in step (1) and the secondary filtrate obtained by step (2), carry out concentration under reduced pressure to obtain an extract whose relative density is 1.25;
[0049] (4) Vacuum drying: the extract obtained in step (3) is vacuum-dried to obtain the dry paste powder...
Embodiment 2
[0055] A method for extracting Viola didin, comprising the steps of:
[0056] (1) One-time decocting: adding Viola radix to water 8 times the weight of Viola radix to obtain a primary infusion, heating to boil the primary infusion, keeping the temperature for 1.5 hours, and then filtering to obtain a primary filtrate and filter residue;
[0057] (2) Secondary decoction: add the filter residue obtained in step (1) to water 7 times the weight of the filter residue to obtain a secondary immersion liquid, heat the secondary immersion liquid to boil, keep warm for 0.7h, and then filter to obtain secondary filtrate;
[0058] (3) concentration under reduced pressure: after combining the primary filtrate obtained in step (1) and the secondary filtrate obtained by step (2), carry out concentration under reduced pressure to obtain an extract with a relative density of 1.20;
[0059] (4) Vacuum drying: the extract obtained in step (3) is vacuum-dried to obtain the dry paste powder of Di...
Embodiment 3
[0065] A method for extracting Viola didin, comprising the steps of:
[0066] (1) One-time decoction: add Viola dichotoma to water 12 times the weight of Viola dichotoma to obtain a primary infusion, heat to boil the primary infusion, keep warm for 0.5h, and then filter to obtain a primary filtrate and filter residue;
[0067] (2) Secondary decoction: add the filter residue obtained in step (1) to water that is 9 times the weight of the filter residue to obtain a secondary immersion solution, heat the secondary immersion solution to boil, keep it warm for 0.3h, and then filter to obtain secondary filtrate;
[0068] (3) concentration under reduced pressure: after combining the primary filtrate obtained in step (1) and the secondary filtrate obtained by step (2), carry out concentration under reduced pressure to obtain an extract whose relative density is 1.30;
[0069] (4) Vacuum drying: the extract obtained in step (3) is vacuum-dried to obtain the dry paste powder of Dipinsi...
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