Zi Hua Di Ding is also known as Viola Yedoensis, which is a perennial herb belonging to the family Violaceae. It first appeared in <Compendium of Materia Medica> in 1,578 AD.
This plant likes light and moist environments. It is adaptable and easy to reproduce and often grows in fields, slopes, grasslands, or shrubs. It is distributed in Korea, Japan, the lower reaches of the Yangtze River in China and the Far East of Russia.
In the spring and autumn of each year, people gather all the parts of Viola yedoensis, wash them with water, remove their impurities, cut them into segments, use them directly, or dry them in the sun, and make them into Chinese herbs.
Zi Hua Di Ding contains apigenin, luteolin, kaempferol, quercetin, acacetin, chrysoeriol, rutin, naringenin, caffeic acid, quinic acid, p-hydroxybenzoic acid, trans-p-hydroxycinnamic acid, palmitic acid, lauric acid, succinic acid, volatile oils, alkaloids, amides, steroids, lactones, phenols, and sugars.
According to <Compendium of Materia Medica>, the medicinal property of Zi Hua Di Ding is relatively cold, with a bitter and pungent taste. It has a certain therapeutic effect on the pathological changes of the heart and liver meridians.
In Chinese medicine, Zi Hua Di Ding is often used to clear heat and remove toxin, cool blood and alleviate swelling, treat acute mastitis, acute appendicitis, acute tonsillitis, acute pneumonia, pulmonary infection, and surgical suppurative inflammation.
About 50 kinds of traditional Chinese medicine prescriptions contain Zi Hua Di Ding, such as Shuanghu Qinggan Granule, Wu Wei Xiao Du Yin, and Zhen Zhu An Chuang Wan.
Health benefits of Zi Hua Di Ding
- Anti-inflammation, anti-chlamydia, anti-fungus, and anti-tumor.
- Anti-oxidation, scavenging DPPH radical and hydroxyl radical.
- Inhibiting hepatitis B virus, type I HIV, infectious bronchitis virus.
- Enhancing non-specific immunity and having antipyretic and analgesic effects.
- Inhibiting platelet aggregation and preventing atherosclerosis and thrombosis.
- Enhancing the activity of pancreatic lipase and promoting the decomposition and absorption of triglycerides in the stomach and intestines.
- Removing heat toxins and relieving skin swelling and pain, and treating furuncles, carbuncles, and erysipelas caused by heat toxins.
- Cooling blood and alleviating swelling, treating acute mastitis and acute appendicitis.
- Clearing the liver heat and alleviating redness and swelling of the eyes caused by liver heat.
- Inhibiting Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Dysentery bacillus, Proteus, Streptococcus uberis, Streptococcus agalactia, Streptococcus dysgalactiae, Enterococcus faecalis, Salmonella, Leptospira.
Zi Hua Di Ding is used with other Chinese herbs
- It with Jin Yin Hua (Flos Lonicerae), Ye Ju Hua (Flos Chrysanthemi Indici), and Pu Gong Ying (Dandelion) can treat furuncles, carbuncles, and erysipelas.
- It with Da Huang (Radix et Rhizoma Rhei), Hong Teng (Sargentodoxa Cuneata), and Bai Hua She She Cao (Hedyotis Diffusa) can treat acute appendicitis.
- It with Ju Hua (Flos Chrysanthemi), Bo He (Mentha), and Chi Shao (Radix Paeoniae Rubra) can alleviate redness and swelling of the eyes by liver heat.
- It with Ye Ju Hua (Flos Chrysanthemi Indici), Jin Yin Hua (Flos Lonicerae), and Zao Jiao Ci (Spina Gleditsiae) can treat suppurative tenosynovitis.
- The topical application of the powders composed of Zi Hua Di Ding and Xiong Huang (Realgar) can treat snake bite.
Side effects of Zi Hua Di Ding
The tender leaves of Zi Hua Di Ding are edible, with few side effects.
Excessive use of it may cause loss of appetite, nausea, or vomiting.
Precautions of Zi Hua Di Ding
- The dosage of Zi Hua Di Ding should be controlled between 15-30g.
- When using fresh Zi Hua Di Ding, it is recommended to mash it for external use.
- It can be made into decoction, pills, or powders.
- People with deficiency-cold in spleen and stomach should not take it.
- Pregnant women and children should not take it.