Sheng Jiang is the rhizome of fresh ginger, which is a perennial herb belonging to the Zingiberaceae. It is a common seasoning in Asian kitchens and can be used as medicine.
Ginger is a kind of economic plant, which originated in the tropical regions of Southeast Asia. It can be found in Asian countries such as India, China, Japan, Indonesia, and Nepal. Some foods, beverages, cosmetics, and spices contain its extracts.
There is a Chinese proverb “People eat radishes in winter, ginger in summer, and people will stay healthy throughout the year”. The Chinese believe that drinking cola Sheng Jiang tea (cola ginger tea) can relieve tonsillitis and sore throat caused by wind-cold.
In the fall and winter of each year, people gather rhizomes of ginger, remove their impurities, wash them with water, cut them into thin slices, use them directly, or make them into Gan Jiang (Dried Ginger). It contains zingiberone, zingiberol, protein, polysaccharides, vitamins and various trace elements.
According to <Mingyi Bie Lu>, the medicinal property of Sheng Jiang is slightly warm, with a pungent taste. It has a certain therapeutic effect on the pathological changes of the lung, spleen and stomach meridians.
In Chinese medicine, Sheng Jiang is often used to treat wind-cold, acute bronchitis, gastric ulcers, duodenal ulcers, and dysentery.
There are about 200 kinds of traditional Chinese medicine prescriptions containing Sheng Jiang, such as Gui Zhi Tang, Xiao Ban Xia Tang, and Bu Zhong Yi Qi Wan.
Health benefits of Sheng Jiang
- Anti-pathogen, anti-inflammation, anti-allergen, and anti-tumor.
- Anti-oxidation, scavenging oxygen free radicals, delaying aging and eliminating age spots.
- Warming the spleen and stomach to relieving vomiting caused by stomach cold.
- Stimulating the secretion of sweat glands, promoting sweating and eliminating edema.
- Relieving motion sickness and treating dizziness, nausea, and vomiting caused by carsickness or seasickness.
- Relieving vomiting and diarrhea caused by eating fish, crabs, Ban Xia (Pinellia Rhizome), or Tian Nan Xing (Rhizoma Arisaematis).
- Promoting the secretion of saliva, gastric juice and digestive juice, increasing gastrointestinal motility, and appetite.
- Relieving bad breath, protecting gastric mucosa, relieving gastric ulcer and duodenal ulcer.
- Treating aversion to cold, fever, cough, stuffy nose, and headache caused by wind-cold.
- Treating periodontitis, trichomonas vaginitis, tapeworm intestinal obstruction, acute bacterial dysentery, and schistosomiasis.
- The study found that its volatile oils can alleviate rheumatic arthritis, rheumatoid arthritis, joint pain, toothache, and soft tissue injuries.
Sheng Jiang is used with other Chinese herbs
- It with Zhu Ru (Bamboo Shavings) and Huang Lian (Rhizoma Coptidis) can relieve vomiting caused by stomach heat.
- It with Ban Xia (Pinellia Rhizome) can relieve vomiting caused by stomach cold. Also, Sheng Jiang can reduce the toxicity of Ban Xia.
- It with Ma Huang (Ephedra), Jing Jie (Schizonepeta tenuifolia), Gui Zhi (cassia twig), and Zi Su Ye (Perilla Leaf) can treat fever, headache, stuffy nose, and vomiting caused by wind-cold.
- It with Wu Mei (Fructus Mume), Hua Ju Hong (Exocarpium Citri Grandis), Ban Xia (Pinellia Rhizome), Fu Ling (Poria Cocos), and Zhi Gan Cao (Radix Glycyrrhizae Preparata) can treat cough, phlegm, nausea, vomiting, and palpitations.
- It with Guang Huo Xiang (Herba Pogostemonis), Hou Po (Magnolia Bark), Cang Zhu (Black Atractylodes Rhizome), Fu Ling (Poria Cocos), Qian Hu (Peucedanum), and Huang Qin (Radix Scutellariae) can treat indigestion, constipation, and loose stool.
Sheng Jiang with Black tea can make into Sheng Jiang black tea (Ginger black tea). it has good effects on weight loss and increasing metabolism and eliminates body waste.
Side effects of Sheng Jiang
Sheng Jiang can be consumed directly with almost no side effects. Excessive use of it may cause dry mouth, sore throat, constipation, and arrhythmia.
A small number of people taking it may cause allergic reactions such as rash, abdominal distention, nausea, etc.
Precautions of Sheng Jiang
- The dosage of Sheng Jiang should be controlled at 3-10g.
- It contains volatile oil, so it is not suitable for long-term decocting.
- It can be made into tea or mashed for external use.
- It should not be used to treat cough or night sweats caused by yin deficiency.
- People with stomach heat or gallstones should not take it.
- People with diabetes, high blood pressure, and hemorrhoids should not take it in large quantities.