气味甘寒，无毒。主治伤中，五劳六极，羸瘦崩中，绝脉，补虚，益气。（《纲
目》误书中品，夫桑上之寄生得列上品，岂桑反在中品也，今改入上品。）
（桑处处有之，而江浙独盛。二月发叶，深秋黄陨，四月椹熟，其色赤黑，味甘性温。）
桑名白桑，落叶后望之，枝干皆白，根皮作纸，洁白而绵，蚕食桑精，叶丝如银，盖得阳明
金精之气。阳明属金而兼土，故味甘。阳明主燥而金气微寒，故气寒，主治伤中，续经脉也
。五劳，志劳，思劳、烦劳、忧劳、恚劳也。六极，气极、血极、筋极、骨极、肌极、精极
也。羸瘦者，肌肉消减。崩中者，血液下注。脉绝者，脉络不通。桑皮禀阳明土金之气，刈
而复茂，生长之气最盛，故补续之功如此。
气味苦寒，主除寒热，出汗。
（按∶《夷坚志》云∶严州山寺有一游僧，形体羸瘦，饮食甚少，每夜就枕，遍身汗出，
迨
旦衣皆湿透，如此二十年无药能疗，期待尽耳。监寺僧曰∶吾有药绝验，为汝治之，三日宿
疾顿愈，其方单用桑叶一味，乘露采摘，焙干碾末，每用二钱，空腹温米饮调服。或值桑落
时，干者亦堪用，但力不如新采者，桑叶是止盗汗之药，非发汗药。《本经》盖谓桑叶主治
能除寒热，并除出汗也，恐人误读作发汗解故表而明之。）
[Sangbaipí (Cortex Mori)]
Taste: Sweet, Cold. Toxicity: Non-toxic. Indications: Treats injury to the Middle Jiao (Middle Burner), five types of chronic fatigue (Wulao) and six extremes of debility (Liují), emaciation, metrorrhagia (Bengzhong), pulse disappearance (Juemai), tonifies deficiency, and benefits Qi. ([Bencao Gangmu] erroneously listed it in the Middle Grade; since Sangjisheng (Mulberry Mistletoe) growing on mulberry trees is listed in the Upper Grade, how can the Mulberry tree itself be in the Middle Grade? It is now corrected and placed in the Upper Grade.)
(Mulberry trees are found everywhere, but are particularly abundant in Jiangsu and Zhejiang provinces. Leaves emerge in February, turn yellow and fall in late autumn, and mulberries ripen in April, appearing dark red-black, with a sweet taste and warm nature.)
The mulberry is named "White Mulberry" because after leaf fall, the branches and trunks appear white from afar. The root bark is used for paper, being white and fibrous. Silkworms consume the essence of mulberry leaves and spin silk like silver, indicating that it obtains the Qi of Yangming Metal Essence. The Yangming channel belongs to Metal and incorporates Earth, hence its sweet taste. Yangming governs Dryness, and Metal Qi is slightly cold, hence its cold nature. It treats injury to the Middle Jiao and reconnects meridians. "Five Fatigues" refer to mental fatigue (Zhilao), overthinking (Silao), vexatious fatigue (Fanlao), worry-induced fatigue (Youlao), and anger-induced fatigue (Huilao). "Six Extremes" refer to extremes of Qi, Blood, Tendons, Bones, Flesh, and Essence. Emaciation refers to muscle wasting. Metrorrhagia refers to downward flow of blood (profuse bleeding). Pulse disappearance refers to blocked meridians. Sangpi inherits the Qi of Yangming Earth and Metal; it grows lush again after harvesting, possessing vigorous growth Qi, thus having such powerful tonifying and reconnecting effects.
[Sangye (Folium Mori)]
Taste: Bitter, Cold. Indications: Eliminates chills and fever, stops sweating.
(Note: [Yijian Zhi] records: A wandering monk in a mountain temple in Yanzhou was emaciated and ate very little. Every night when he lay down to sleep, his whole body would sweat until dawn, soaking his clothes completely. This persisted for twenty years without any medicine able to cure him; he could only await death. The temple supervisor said: I have a highly effective medicine to treat you. After three days, the chronic illness was instantly cured. The prescription consisted solely of Sangye (Mulberry Leaf). Harvested while covered with dew, dried by roasting, and ground into powder, two qian were taken each time, mixed with warm rice water on an empty stomach. If harvested during the time when leaves fall, dried leaves can also be used, though their efficacy is not as strong as freshly picked ones. Sangye is a herb that stops nocturnal sweating (Daohan), not a diaphoretic herb. The [Shennong Bencao Jing] likely meant that Sangye treats chills and fever and eliminates sweating symptoms. To prevent misunderstanding it as a herb for inducing sweating to release the exterior, this clarification is provided.)