How to choose the potato peel?
Experts say not to eat potato skin that looks green. This is because a potato is a tuber that grows underground. When exposed to light or cold longer, they begin to produce chlorophyll as a natural process. 
This leads to the formation of the alkaloid solanine which gives the potato a bitter taste and when eaten in larger quantities can be toxic and can cause many gastrointestinal problems. In addition, sports potatoes contain a large amount of solanine which cannot be destroyed by boiling but can be destroyed by frying.
The best way is to throw the potato itself with its skin on. In addition, if the skin of the green potato tastes bitter even after frying, it is good to throw it away immediately.
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Select potato skins that look fresh and don’t have green spots. It is suggested to store the potatoes out of direct sunlight and with good ventilation.
Potato Skin Health Benefits
1. Good for heart health
According to a study, potato skin has potent anti-free radical or antioxidant activity due to the presence of two dominant phenolic compounds, chlorogenic and gallic acids. These compounds can help maintain good heart health by reducing damage to the heart from free radicals.
Potato peels also contain a significant amount of potassium, which is a good element in regulating blood pressure in the body. 
2. Has antibacterial and antifungal properties
Potato peel contains potent antimicrobial compounds against a range of bacterial and fungal infections. This is due to the presence of terpenes and organic flavonoid compounds in the skin.  When consumed, it can help prevent infections and keep a person healthy.
Additionally, the bacteriostatic nature of potato peel is considered safe for use in food processing industries as it naturally helps protect against foodborne pathogens and helps in food preservatives.
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3. Helps heal wounds
Studies indicate that the potato peel acts as a natural wound healing agent and may help heal wounds and prevent bacterial growth in the affected skin area. It has the ability to induce skin scarring by promoting cell growth and providing tensile strength to injured skin.
In addition, the potato skin dressing is inexpensive, always available, a less painful and easy to apply remedy, and better than the gauze-only dressing, especially during the healing phase. 
4. Has antiviral properties
Potato peel has not only antibacterial and antifungal qualities, but also antiviral properties against enteric viruses, those human viruses that are mainly transmitted by fecal-oral route, vomit, direct person-to-person contact or through consumption of contaminated food or water.
Chlorogenic and caffeic acid in the skin are the main phenolic compounds which are responsible for its antiviral activity. 
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5. Prevents anemia
Baked (1.08 mg) and microwaved (1.24 mg) potatoes, along with their peel, provide the body with the maximum amount of iron, according to a study.  Another study indicates that the potato peel contains 55% iron of the total iron content of the tuber.
As we know that iron is an important component in maintaining the production and supply of red blood cells in the body, consuming potato peel can help prevent or reduce the risk of related diseases like l ‘anemia. 
6. Helps to lose weight
Potato peel is a low fat, high energy staple food rich in nutrients like vitamin B, vitamin C, potassium, and dietary fiber.
These nutrients in the potato peel add it to the list of the most well-known diets for weight management. Consuming dishes made with potato peel helps you stay energized and full for longer, while keeping your calories in check. 
7. Has anthocyanins
Anthocyanins are flavonoids that give fruits or vegetables their natural color. Tubers like potatoes, especially reds, yellows and purples, contain an abundance of this vital flavonoid linked to several health benefits.
The potato skin has a maximum of anthocyanins than its flesh, and from the prevention of inflammatory diseases to chronic diseases, it plays various roles in the body of people of all age groups. 
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8. Helps lower glucose levels
One study talks about the anti-diabetic and antihyperglycemic effects of potato peel. He says the dietary fiber and polyphenols in potato peel powder can help lower glucose levels when added to the diet for four weeks.
In addition, the potato peel also helps reduce damage to the liver and kidneys from free radicals and improve their functions in people with diabetes. Potato peel also helps prevent damage to the eye nerves due to high blood sugar. 
9. Has chemopreventive or anticancer properties
The potato naturally contains glycoalkaloids to protect against insects and herbivores. When exposed to light, the concentration of this chemical increases, which can be harmful to the body when consumed in excessive amounts. However, in small amounts, it can have many positive benefits.
One study has shown that pure isolated glycoalkaloids have anti-cancer properties that can help prevent a range of cancer types such as cervix, liver, stomach, and lymphoma. 
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10. Helps in the management of necrotizing fasciitis
Necrotizing fasciitis (NF) is a rare, fatal and aggressive form of skin disease. As mentioned above, potato peel works wonders for injured skin, but it can also be effective for many chronic, fast-spreading, polymicrobial skin wounds like NF.
A study has shown that when applied to necrosis-based wounds, potato peel can help treat it with a variety of modalities, including due to the glycoalkaloids found in potatoes such as alpha chaconine and alpha solanine which act as a toxic compound for microorganisms present in wounds.