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Sweet in taste, very cold in nature. It primarily clears heat toxins from the intestines and stomach, resolves the toxicity of Dan Shi (mineral drugs), relieves sudden severe thirst, and promotes urination. Excessive consumption causes spleen and stomach coldness, inducing stubborn accumulations (Gu Pi) and large intestine diarrhea. There are also Sha Gan (Sand Citron), Qing Gan (Green Citron), and Shan Gan (Mountain Citron); their properties and effects are similar. Only the peel of Shan Gan treats sore throat with notable efficacy; the peels of the others are unsuitable for medicinal use. The tree resembles the kumquat tree, and the fruit resembles a kumquat but is rounder and larger. The peel color is green when unripe and yellow-red when ripe. Before the frost, it is particularly sour; after the frost, it becomes very sweet, hence the name "Gan Zi" (Citron). It grows in Lingnan and Jiangnan regions. (Modern addition)

Minister Yuxi et al. respectfully note according to Xiao Bing: Those from Xirong (Western Regions) are superior. Ri Hua Zi states: Cold in nature, non-toxic. The peel, when roasted and decocted into tea, can resolve alcohol toxicity and post-drinking thirst; excessive consumption induces sweating in the yin region.

The *Tujing Bencao* has detailed records under the entry for "Ju You" (Kumquat and Pomelo).

Chen Cangqi states: For postpartum edema, citron peel ground into powder, taken with wine. The *Shenghui Fang*: To treat alcohol toxicity, or drunken stupor and烦渴 (restlessness and thirst), a formula for easier awakening: Take 2 liang of citron peel. Edible. Its peel is not suitable for medicinal use; excessive consumption leads to lung dryness, middle jiao coldness, and accumulation disorders. The *Jingyan Hou Fang*: Du Xing Tang (Alone Awakening Decoction): Remove the pulp from citron peel, quantity unspecified, bake until dry and grind into powder, add half qian of salt.

The *Yanyi* states: Ru Gan Zi (Milk Citron) is often passed off as Ju Pi (Kumquat Peel) by sellers today, so one must be careful to distinguish them. Citron peel is not very bitter, whereas kumquat peel is extremely bitter, even when ripe. If distinguishing between kumquat and citron based on the tightness of the peel, requirements vary among different formulas, and there are instances where both tight and loose peels are used interchangeably. Individuals with spleen and kidney coldness who consume its flesh often suffer from internal organ coldness or diarrhea.

This is Nai Tang (Milk Sugar). Sweet in taste, cold in nature, non-toxic. It primarily treats heat distension in the heart and abdomen, dry mouth and thirst; its nature is cold and purgative. It originates from Yizhou and Xirong. It is made by refining rock sugar, can be formed into cake blocks, and is yellowish-white.

The *Tang Ben Cao Zhu* states: It is formed into blocks by mixing water buffalo milk and rice flour and refining. Those from Xirong are superior. There are also some in the Jiangzuo region, almost surpassing those from Shu. It is said that using buffalo milk juice and rock sugar for refining results in cakes that are hard and heavy. Current annotations indicate that this "Shi Mi" (Stone Honey) is actually Nai Tang (Milk Sugar). Since the name "Shi Mi" already appeared in previous volumes, this entry is annotated as Nai Tang. (Previously attached in Tang Ben Cao). Minister Yuxi et al. respectfully note according to Meng Shen: Shi Mi treats heat membranes in the eyes and improves vision. Those from Shu and Persia are good. Those from Eastern Wu exist but do not compare to the former two. These are all made by refining sugarcane juice and buffalo milk juice, resulting in a fine white texture. Mixed with jujube meat and Sesamum indicum powder to make pills, hold in the mouth after each meal.

The *Tujing Bencao* has detailed records under the entry for "Gan Zhe" (Sugarcane).

The *Yanyi* states: Shi Mi from Sichuan and Zhejiang is the best, with a rich flavor; others are inferior. After refining and shaping, it is carved into elephant figures and transported to the capital. In summer and upon long-term storage... sugar, its...