Description

Cassia seed（决明子） possesses multiple benefits, including clearing the liver and improving eyesight, moistening the intestines and relieving constipation, lowering blood lipids and blood pressure, and exhibiting antioxidant, antibacterial, and anti-inflammatory properties. It is a commonly used traditional Chinese medicine that is both food and medicine.

Its main functions and effects are as follows:

1. Clearing the Liver and Improving Eyesight: Cassia seed is slightly cold in nature and enters the liver meridian. It can clear liver fire and improve symptoms such as red, swollen, and painful eyes, photophobia, excessive tearing, and blurred vision caused by liver fire or wind-heat. Modern research suggests that its anthraquinone components can promote microcirculation in the eyes and relieve eye fatigue, making it suitable for people who use their eyes for long periods or stay up late. It is often used in combination with chrysanthemum and goji berries to enhance its eye-improving effects.

2. Moistening the Intestines and Relieving Constipation: Rich in anthraquinone substances such as rhein and emodin, it can stimulate intestinal peristalsis, increase intestinal moisture, and soften stools. It has a good auxiliary effect on constipation due to heat accumulation and constipation in the elderly. However, it should not be taken in large quantities for a long time to avoid dependence or diarrhea.

3. Lowering Cholesterol and Blood Pressure: The anthraquinones, polysaccharides, and phytosterols in cassia seeds can inhibit cholesterol absorption and promote lipid metabolism, helping to lower serum total cholesterol and low-density lipoprotein levels. Its high potassium content has a diuretic effect, aiding in blood pressure regulation and making it suitable for daily conditioning in people with high cholesterol and mild hypertension. It is often combined with hawthorn, lotus leaf, and alisma in lipid-lowering tea formulas.

4. Antioxidant and Anti-aging: Containing flavonoids, vitamin E, and cassia seed glycosides, it can scavenge free radicals, reduce oxidative stress damage, and delay cell aging, offering potential benefits in preventing chronic diseases such as atherosclerosis.

5. Antibacterial and Anti-inflammatory: In vitro studies have shown that cassia seed extract has inhibitory effects on Staphylococcus aureus and Escherichia coli. Its anti-inflammatory mechanism is related to the inhibition of prostaglandin synthesis, and it can be used to help relieve inflammatory problems such as skin eczema and sore throat.