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| Certification: | ISO, FDA, Sc(OS)/Jy/Kosher/Halal |
| Assay Method: | UV, Tlc |
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| Product Name | Corn Silk Extract |
| Appearance | Brown Yellow Powder |
| Specification | 10:1 |
Corn silk, or Stigma maydis, is the pale, thread-like strands that grow within corn husk. The thin fibers exist to trap pollen for pollination, which supports corn growth.
The silks are beneficial for humans too and have been used in traditional medicine in countries including the United States, China, Turkey and France.
Corn silk can be used in fresh and dried form, and it's often used to make tea.
Stigma maydis is rich in phenolic compounds, especially flavonoids. Studies on the plant fiber show that it provides strong antioxidant activity by inhibiting free radical scavenging.
Animal studies show that corn silks have anti-inflammatory effects and can be used to suppress pro-inflammatory mediators. Researchers believe that the silks may be useful for the treatment of inflammatory diseases related to oxidative stress.
We know that the nutritional value of corn is impressive, but its silks are also rich in macro- and micronutrients. It contains:
It also features volatile oils and steroids, including sitosterol and stigmasterol, alkaloids, and saponins.
There's evidence to suggest that consuming the flavonoids in Stigma maydis can help improve cholesterol levels.
In one study, administration of flavonoids from corn silk extract resulted in significantly lowers levels of triglycerides and LDL cholesterol. There was no difference in HDL cholesterol levels, but the data shows that the silks may have potential anti-hyperlipidemic effects.
Although more clinical trials are needed, there's some research indicating that corn silk tea is useful for patients with hypertension. The main outcome of drinking the tea was total blood pressure lowering, but researchers note that using the tea plus antihypertensive drugs may be more effective.
Studies indicate that consuming these corn threads has anti-diabetic effects, and they've been proven to improve glucose tolerance in rats. Although more research involving humans is necessary, the animal studies demonstrate corn silk's anti-diabetic benefits.
Research suggests that corn silk soothes and relaxes the lining of the bladder and urinary tubules, so it may be helpful in reducing irritation and increasing urine secretion.
The silks have been found to have diuretic effects and urine flow increased after consumption. Because it works as a diuretic, eating this part of the corn plant can also decrease potassium levels.
Stigma maydis was also used in traditional medicine to treat urinary tract infections. Although research on this possible corn silk benefit is limited, its diuretic properties may support urinary tract health.
Although more research involving humans is needed, this is evidence involving mice suggesting that corn silk has anti-depressant activity and can improve the "excitation spirit" and lengthen activity time.
There's evidence from studies conducted on mice to support corn silk's benefits for weight loss, but human trials are needed.
In one study, researchers concluded that corn silk extract inhibited fat accumulation and fat synthesis, while promoting the expression of genes involved in fat oxidation. The silks may reduce body fat accumulation, at least in animals.
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