What foods are high in fisetin and how to get it?

Foods high in fisetin

Fisetin is a flavonoid compound mainly from smoke tree extract. Fisetin (2-160 μg/g) is found in a variety of fruits and vegetables. Foods high in fisetin including strawberries, tomatoes, persimmons, apples, grapes, kiwis, peaches, onions, lotus roots, and cucumbers.

Particularly worth mentioning is strawberry, which has the highest proportion of natural fisetin (160 μg/g). Other foods include onions (5 mcg/g), kiwis (2 mcg/g), apples (27 mcg/g), persimmon fruits (11 mcg/g) or grapes (4 mcg/g).

Pure Fisetin powder has a wide range of pharmacological effects, such as antioxidant, antiviral, anti-inflammatorisk, anticancer, antibacterial, and neuroprotective effects.

Taking over 100 strawberries per day

When this news – “foods high in fisetin is strawberry” spread among people, strawberries became the hot sale fruit. Strawberries taste good, and when people learn that it was rich in fisetin, everyone is willing to try it.

The “strawberry craze” in the market has also attracted the attention of scientists. The experimental study uses pure fisetin powder, it is different from the trace extract in strawberries. Although the fisetin in strawberries is as high as 100 mg per kilogram, people need to insist on taking hundreds of strawberries every day to see the effect. And If take hundreds of strawberries per day and continuously for months, believe few people can stick to it.

How to get fisetin?

Two ways to get fisetin

1. Fruits and vegetables: The first way is to eat more fruits and vegetables. Especially foods high in fisetin like strawberries and apples. According to research, the content of fisetin found in strawberries is particularly high, followed by apples. The content of fisetin in strawberries is about five times that in apples, and more than thirty times in mangoes, kiwis, grapes, tomatoes, onions, cucumbers, and various nuts.
2. Dietary fisetin supplements: In addition to existing in fruits, fisetin also exists in some plant sources, such as Cotinus, the plant has other names Smoke tree/Coggygria. The second way is to take dietary fisetin supplements. These supplements use plants with high fisetin content and extract natural fisetin from them. This natural substance sells commercially mainly in the form of capsules, with fisetin content varying between 50 mg and 500 mg. The content of fisetin in one pill is equivalent to eating several kilograms of fruit.

Safety of fisetin supplements

Flavonoids are safe and have little or no toxicity due to their widespread distribution in dietary plants (Syed et al., 2016). In studies, oral doses of pure fisetin source from the smoke tree were approximately 5-25 mg/kg. While intraperitoneal doses ranged from 0.3 to 3 mg/kg when dissolved in dimethyl sulfoxide (Horwitz and Rakel, 2018). An oral dose of 20 mg/kg/day was used primarily for two consecutive days and/or two consecutive months. In acute toxicity studies of fisetin, there was no evidence of weight loss, diarrhea, or respiratory distress, In addition, in acute toxicity studies, it showed no signs of toxicity in the heart, lungs, kidneys, liver, stomach, intestines, and spleen at doses up to 2 g/kg. There was no toxicity in the histopathological analysis of reproductive organs.

Summary

If you are busy with work, housework, taking care of children and other things in your daily life, and rarely eat foods high in fisetin such as strawberries and apples, you might as well try taking a Fisetin supplement every day. It will be a great help in solving some health problems.

As the raw material of dietary supplements, for more function details about fisetin powder, you can click here and learn more.