〔 曰〕凡使，铜刀刮去粗皮蒸之，从巳至未。以布袋盛，挂屋东角，待干用。
〔 曰〕凡使去上粗皮并节。若得中心文横如紫角者，号曰木中尊，其力倍常百等。须
细锉重捣，拌细梅树枝蒸之，从巳至申，阴干用。
〔弘景曰〕巴豆最能泻人，新者佳，用之去心、皮，熬令黄黑，捣如膏，乃和丸散。
〔
明曰〕凡入
用壳者，用
豆霜）。
〔时珍曰〕取大风子油法∶用子三斤（去壳及黄油者）研极烂，瓷器盛之，封口入滚汤
中
，盖锅密封，勿令透气，文武火煎至黑色如膏，名大风油，可以和药。
〔别录曰〕采无时。出土上者杀人。〔弘景曰〕东行桑根乃易得，而江边多出土，不可
轻信
治心
根，
铁及
〔 曰〕采得后，水浸三日，搅旋投水，浮者去之。晒干，以酒浸一伏时了。蒸之，从
巳至亥，焙干用。经验后方∶煎法∶六月六日，采取 （即楮）子五升，以水一斗，煮取五
升，
去
〔弘景曰〕枳实采，破令干，除核，微炙令香用。以陈者为良。俗方多用，道家不须。
〔
并去穣核
〔雷学曰〕凡是使用（白杨木皮），用铜刀刮去粗糙的外皮，然后进行蒸制，时间从巳时到未时。用布袋盛装，悬挂在房屋的东角，待其干燥后使用。
〔雷学曰〕凡是使用（蕤核），去掉上部的粗皮和节疤。如果得到中心纹理横向如紫色角状者，称为“木中尊”，其药力比平常强百倍。必须细细切碎并重捣，拌入细梅树枝一起蒸制，时间从巳时到申时，阴干后使用。
〔陶弘景曰〕巴豆最能使人泻下，新鲜的为佳，使用时去掉心、皮，熬至黄黑色，捣成膏状，然后调和制成丸剂或散剂。
〔李时珍曰〕凡是入药使用壳的（巴豆壳），需制成巴豆霜使用）。
〔李时珍曰〕取大风子油的方法：用三斤子（去掉壳及黄油的部分）研至极烂，盛于瓷器中，封口放入滚汤中，盖锅密封，不让透气，用文火和武火交替煎至黑色如膏状，名为大风油，可以和药同用。
〔《别录》曰〕采集没有固定时间。出土上的（某种药材，此处原文可能有缺漏，指代不明，通常指某些根茎类）会杀人。〔陶弘景曰〕向东生长的桑根容易得到，而江边多出土，不可轻信。治疗心脏疾病需用根，铁及...（原文残缺）
〔某医家曰〕采集后，用水浸泡三天，搅动旋转投入水中，浮起的去掉。晒干，用酒浸泡一个时辰（一伏时）。蒸制，从巳时到亥时，焙干后使用。经验后方∶煎法∶六月六日，采取楮（即构树）子五升，用水一斗，煮取五升，去掉...（原文残缺）
〔陶弘景曰〕枳实采摘后，破开使其干燥，除去核，微炙令香后使用。以陈久的为良。世俗方剂多用，道家不需要。
〔某医家曰〕并去掉瓤和核...（原文残缺）
〔某医家曰〕凡是使用（某种药材仁，结合上下文推测可能为柏子仁或其他类似形态药材），必须要像雀脑一样，并且长有九路赤色的为上品。先去掉皮、须，取出仁，用甘草水浸泡一夜，...（原文残缺）
〔某医家曰〕凡是使用蕤核仁，用热水浸泡去掉皮、尖，掰成两片。每四两蕤核仁，用芒硝一两，木通草七两，一同水煮一个时辰，取出仁研成膏入药。
[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.