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[Lei Xue said] When used, scrape off the rough bark with a copper knife, then steam it from Si hour (09:00-11:00) to Wei hour (13:00-15:00). Place in a cloth bag, hang in the east corner of the house, and use after drying.

[Lei Xue said] When used, remove the coarse bark and nodes at the top. If the center texture is transverse like a purple horn, it is called "Mu Zhong Zun" (Noblest among Woods), and its efficacy is a hundred times greater than ordinary ones. It must be finely chopped and heavily pounded, mixed with fine plum branches, steamed from Si hour to Shen hour (15:00-17:00), dried in the shade, and then used.

[Tao Hongjing said] Ba Dou (Crotonis Fructus) is most effective in causing purgation; fresh ones are best. Remove the heart and skin, stir-fry until yellow-black, pound into a paste, and then mix into pills or powders.
[Li Shizhen said] When using the shell for medicinal purposes, it should be processed into Ba Dou Shuang (Crotonis Fructus Pulvis).

[Li Shizhen said] Method for extracting Da Feng Zi You (Oil of Chaulmoogra Seed): Use three jin (approx. 1.8 kg) of seeds (remove shell and yellow butter), grind extremely fine, place in a porcelain vessel, seal tightly, and immerse in boiling water. Cover the pot tightly to prevent air leakage. Boil over alternating mild and strong fire until black and paste-like. This is named Da Feng You (Chaulmoogra Oil), which can be mixed with medicines.

[Bei Lu said] Collection has no fixed time. Those found above ground are poisonous and can cause death. [Tao Hongjing said] Mulberry roots growing eastward are easy to obtain, while those by the river often emerge from the soil and should not be trusted lightly. To treat Heart diseases, use the root... iron and... (text incomplete)

[Unnamed Physician said] After collection, soak in water for three days, stir and rotate, then discard floating parts. Sun-dry, soak in wine for one Fu Shi (approx. 2 hours). Steam from Si hour to Hai hour (21:00-23:00), bake dry, and use. Empirical prescription: Decoction method: On the sixth day of the sixth lunar month, collect five sheng (approx. 0.5 L) of Chu Zi (Broussonetia papyrifera fruit), boil in ten dou (approx. 10 L) of water until reduced to five sheng, remove... (text incomplete)

[Tao Hongjing said] After harvesting Zhi Shi (Aurantii Fructus Immaturus), break open and dry, remove the core, lightly roast until fragrant, and use. Aged ones are superior. Commonly used in secular prescriptions, but not required by Daoists.
[Unnamed Physician said] And remove the pulp and core... (text incomplete)

[Unnamed Physician said] When used, it must resemble a sparrow's brain and have nine longitudinal red lines for the highest quality. First remove the skin and hairs, extract the kernel, soak in Licorice Water (Gancao Shui) overnight... (text incomplete)

[Unnamed Physician said] When using Rui He Ren (Prunus Persica Kernel? Note: Context suggests Prunus mume or similar, actually Rui He usually refers to Prunus mume seed/kernel or related), soak in hot water to remove skin and tips, split into two pieces. For every four liang (approx. 120 g) of Rui He Ren, use one liang (approx. 30 g) of Mang Xiao (Natrii Sulfas) and seven liang (approx. 210 g) of Mutong Cao (Akebiae Caulis), boil together for one Fu Shi (approx. 2 hours). Extract the kernel, pound into a paste, and add to medicine.