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甘温质润，建中缓急，为补虚缓痛专品
入汤剂宜烊化冲服或去渣后兑入再煎片刻；一般用量15–60g。小建中汤原方用饴糖一升（约30g）为君。
本平台仅供学术参考，不构成医疗建议。
饴糖主含麦芽糖、葡萄糖、糊精等可快速吸收的糖类，具有补充能量、缓解腹痛与保护胃黏膜作用，甘温质润最善建中缓急。
Maltose syrup contains maltose, glucose and dextrins — rapidly absorbed sugars providing energy, alleviating abdominal cramping and coating the gastric mucosa; sweet, warm and moistening, it is foremost in constructing the middle.
Bensky 将饴糖列为补气甘温建中的代表药，强调其为小建中汤、大建中汤的君药。
Bensky lists Yi Tang as the representative sweet-warm middle-constructing tonic, emphasizing its role as sovereign in Xiao Jian Zhong Tang and Da Jian Zhong Tang.
Chen & Chen 指出饴糖甘温质润，与单纯蔗糖不同，所含麦芽糖及糊精吸收较缓，不易骤然升高血糖，但糖尿病患者仍应禁用。
Chen & Chen note that Yi Tang, unlike plain sucrose, contains maltose and dextrins with slower absorption, yet diabetic patients should still avoid it.
本部分信息仅供学术参考，不构成医疗建议。
湿热内蕴、中满气滞、呕吐、湿盛脘腹胀满及糖尿病（消渴）者不宜；牙疳、小儿疳积患者慎用。
饴糖含麦芽糖与葡萄糖，糖尿病及肥胖者忌用；助湿生痰，湿痰盛、舌苔厚腻者不宜。入汤剂须烊化，避免久煎焦化。
虚劳里急，悸，衄，腹中痛，梦失精，四肢酸疼，手足烦热，咽干口燥，小建中汤主之。
血痹虚劳病脉证并治
@misc{bencaodian-yi-tang,
author = {{Bencaodian Editorial}},
title = {Yí Táng 饴糖 (Maltose Syrup) — Saccharum Granorum (Maltosum)},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/yi-tang},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}