Urination difficulty treated with TCM green onions

What are green onions(Cong Bai)? Actually they have a few different names and similar species, such as scallions, spring onions, shallots, chives, and China leeks. However, from the point of view of TCM, they refer to the bulb and stalk part near the root of Allium fistulosum L., one member of Liliaceae family. They grow all over the country in China and can be plucked at any time. After the excavation, for the medicinal purpose the fresh scallions should have the fibrous roots, leaves, and outer membrane removed before the use.

Green onion is a perennial herb, up to 50cm, usually clustered, with pungent, smelly odor, and with pungent mucus after broken. White fibrous roots cluster. Bulbs are cylindrical, with slightly larger tip and white layered scale leaves, which have white vertical stripes. Leaves are basal, cylindrical, hollow, about 45cm, 1.5-2cm in diameter, apex acute, green, and with vertical stripes. Sheaths are light green. Floral axis grows from the foliage stems, usually in only one, with enlarged central part, hollow, green, and with some vertical lines. Flowers are in spherical umbels. Involucre is membranous, ovate or lanceolate. Capsule is in the shape of three prisms. Seeds are black, triangular-shaped, and semicircular. It blossoms from July to September and fruits from August to October.

Green onion chemical composition
Scallion bulbs contain mucilage, crude fat, crude protein, crude fiber, nitrogen free extract, pentosan, and polysaccharides. And mucilage mainly contains polysaccharide, cellulose, hemicellulose, protopectin and water-soluble pectin, sugar, vitamin C, carotene, vitamin B1, B2, A, PP, oxalic acid, lipids, linolenic acid, linoleic acid, palmitic acid, oleic acid, arachidic acid, and ubiquinone-9, -10. In addition, the bulb also contains volatile oil, in which the allicin and diallyl sulfide are the main ingredients. Roots contain aluminum.

Health benefits of green onions
As stated, onion is one of spices commonly used in cooking thanks to its great functions of adding flavor and getting rid of undesirable odor. And it is a good herb traditionally. Here are the detailed benefits for your reference.

Pharmacology
1. It inhibits diphtheria bacillus, Mycobacterium tuberculosis, Shigella, and Streptococcus;
2. It inhibits dermatophyte;
3. It promotes sweating to reduce fever, promotes urination, invigorates the stomach, and makes expectoration easy;
4. It kills Trichomonas vaginalis when 25% of the onion filtrate is added in vitro and the exposure time is more than 60 minutes.