Physicians in past dynasties have had simple or detailed views on the velvet-making method of mugwort leaves.
Sun Simiao said: "Whoever uses mugwort leaves must use them for a long time, and the treatment is delicate and soft, which is called cooked mugwort leaves.".
Tao Hongjing in Liang Dynasty wrote in Notes to Materia Medica: "Moxibustion with pounding leaves can cure all diseases", that is, smashing mugwort leaves into moxa sticks.
In Song Dynasty, Su Song's "Illustration of Materia Medica" recorded: "Welcome guests with dry moxa and knead groups".
Kou Zongxuan's "Materia Medica Yan Yi" contains: "Dry pounding, sifting out the blue and white".
"Taiping Huimin Hejiju Fang" records: "Legally cooked moxa: the main moxibustion is all diseases. Chen Jiu Huangai, don't take many leaves, put them in a mortar, lightly pound them with a wooden pestle, expel the green residue with fine screening, pound them again, and repeat this for three times. Don't separate them with ponytail seeds, pound them again until they are soft and yellow. "
Acupuncture of Puji prescription in Ming Dynasty: "The method of making cooked mugwort is: moxibustion is good, not asking for much, selecting leaves, putting them in a mortar and lightly tamping them with a wooden pestle, finely sieving them, tamping them again, and so on for three times, without separating ponytail seeds, tamping them with a Luo sieve until they are soft, fine and yellow" and "tamping them with dried mugwort leaves to remove ash"
Xu Chunfu's "Complete Works of Ancient and Modern Medical Systems" said: "To make moxa, we must first dry it and pound it with a stone mortar to get rid of dust and impurities. Every time we use a stone mortar, it will be white, so that the baked fire will dry up, moxibustion will be powerful, and the fire will be flammable, such as moistening. "
"Compendium of Materia Medica" records: "Pick the leaves, remove the dust, put them in a mortar, pound them with a wooden pestle, remove the residue, and pound them again in white until they are soft and rotten like cotton."
"Compendium of Materia Medica" by Wang Ang in the Qing Dynasty: "Knead it like cotton, it is called cooked moxa, and moxibustion with fire".
Qing Liao Runhong's Acupuncture Integration: "Take Chen Jiu Artemisia argyi leaves, don't put too much in the mortar, lightly pound them with a wooden pestle to soften them, remove the green residue, then pound them until they are soft and yellow, and use them."
It can be seen from many ancient Chinese medicine documents that the ancient moxa-making technology is basically similar, that is, selecting clean and dry aged moxa leaves, removing branches, putting them into a stone mortar, mashing them with a wooden pestle, and then removing dust and residues with a fine sieve, and so on, so as to achieve the degree that moxa is soft as cotton, that is, processing cooked moxa.
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