Name

Latin Name: Ophiopogonis Radix

Common Name: Dwarf Lilyturf Tuber

Scientific Name: Ophiopogon japonicus (Thunb.) Ker-Gawl.

Chinese Name: 麥冬

Pinyin Name: Maidong

Examples of using in prevent COVID-19

1.       Composition: Dwarf Lilyturf Tuber 3g, Chrysanthemum Flower 3g, Mulberry Leaf 3g, Tangerine Peel 2g
Function: Dietary prevention
Suitable for: General population

2.       Composition: Dwarf Lilyturf Tuber, Boat-fruited Sterculia Seed, Lotus Leaf, Fresh Lily Bulb, Japanese Honeysuckle Flower
Function: Dietary prevention.
Suitable for: Adult

3.       Dwarf Lilyturf 3g, Tuber Heterophylly Falsestarwort Root 10g, Dendrobium 3g, Japanese Honeysuckle Flower 3g, Male Fern Rhizome 5g, Jujube 6g
Function: Dietary prevention.
Suitable for: Child with yin deficiency body constitution

4.       Dwarf Lilyturf 10g, Milkvetch Root 15g, Weeping Forsythia Capsule 9g, Atractylodes Rhizome 12g, Platycodon Root 9g, Liquorice Root 6g
Function: Dietary prevention.
Suitable for: Adult

Origin

Dried root tuber of Ophiopogon japonicus (Thunb.) Ker-Gawl. (Fam. Liliaceae).

Where Does It Grow?

Dwarf Lilyturf Tuber is mainly produced in Sichuan, Zhejiang, Hubei.

Nature and Flavor

Dwarf Lilyturf Tuber is slightly bitter, sweet in flavor, slightly cold in nature and manifests its therapeutic actions in the heart, lung and stomach meridians.

Identified Active Components / Major Chemical Constituents

Dwarf Lilyturf Tuber contains steroidal saponins, isoflavones, polysaccharides, volatile oils, phenols, organic acids, glycosides etc.

Drug Actions in TCM

Dwarf lilyturf tuber can nourish yin and engender fluid, moisten the lung, and tranquilize the mind.

Traditional Uses in TCM

Dwarf lilyturf tuber is often used in conditions like dry cough due to lung dryness, phthisical cough; thirst due to impairment of body fluids; fidgets and insomnia; wasting-thirst caused by internal heat; constipation.

Pharmacological Actions

Studies showed that Dwarf lilyturf tuber has effects like protect cardiovascular, hypoglycemic, hypolipidemic, anti-inflammatory, antioxidant, anti-aging, anti-tumor and immune regulation.

Toxicology

According to the acute toxicity grading standard, it belongs to the non-toxic grade.

Administration and Dosage

10-15g in decoction.

Adverse Effect, Side Effects and Cautions

Contraindicated for those with spleen and stomach deficiency, loose stools, exogenous wind-cold, phlegm-dampness cough.

References

國家藥典委員會編《中華人民共和國藥典》2020年版，中國醫藥技術出版社，2020年5月

雷載權主編《中藥學》上海科學技術出版社，2000年6月

新型冠狀病毒感染的肺炎各地防治中藥處方匯編

遲宇昊,李暘,申遠.麥冬化學成分及藥理作用研究進展.新鄉醫學院報,2021,38(02):189-192.

蘇芳芳,錢丹,陳敏,楊光,高峰,李敏,楊以明.三臺麥冬塊根毒理學評價與抗營養因子分析.中國現代中藥,2022,24(02):275-283.

鍾贛生主編《中藥學》中國中醫藥出版社，2016年8月