What are Peanuts Made Of: Surprising Ingredients Inside!

What are Peanuts Made Of: Surprising Ingredients Inside!

If you enjoy peanuts as a snack, you may have wondered what they are made of. This article will explore the surprising ingredients that make up peanuts and their nutritional value.

The Anatomy of a Peanut

Peanuts are part of the legume family, which also includes beans, peas, and lentils. They grow underground and have a hard outer shell or pod, which contains the seeds or peanuts.

The Composition of a Peanut

While peanuts are mainly composed of fats, they also contain various vitamins, minerals, and other nutrients. Peanuts are also an excellent source of plant-based protein.

  • Protein: One ounce of peanuts contains about 7 grams of protein, which is more than most other nuts.
  • Fats: Peanuts are high in fat, with about 14 grams of fat per ounce. However, most of the fat in peanuts is the healthy kind of monounsaturated and polyunsaturated fats.
  • Fiber: Peanuts contain dietary fiber, which promotes digestive health and helps maintain healthy blood sugar levels.
  • Carbohydrates: Despite their relatively high fat content, peanuts also contain carbohydrates. However, most of these carbs are in the form of fiber and only a small amount is in the form of sugar.

Vitamins and Minerals in Peanuts

Peanuts also contain various vitamins and minerals, including:

Vitamins Minerals
Vitamin E Magnesium
Thiamin (B1) Copper
Niacin (B3) Manganese
Pantothenic acid (B5) Phosphorus
Pyridoxine (B6) Zinc
Folate (B9) Selenium
Choline Iron

The Surprising Ingredients in Peanuts

Peanut Oil

Peanut oil is often used in cooking and is also used to make peanut butter. It is a healthy source of monounsaturated and polyunsaturated fats, which can help reduce the risk of heart disease.


Resveratrol is a compound found in peanuts, which is also present in red wine. It has been shown to have various health benefits, including reducing inflammation and improving heart health.


Aflatoxins are toxic substances produced by fungi that can grow on peanuts. Consuming foods contaminated with aflatoxins can cause liver damage and other health problems. However, the risk of exposure to aflatoxins can be minimized by properly storing, handling, and cooking peanuts.

Peanut Allergies

While peanuts are a healthy and nutritious food for most people, they can cause allergic reactions in some individuals. Peanut allergies are one of the most common food allergies and can cause severe symptoms, including anaphylaxis, which can be life-threatening.

How Peanut Allergies Develop

Peanut allergies develop when the immune system mistakenly identifies peanut proteins as harmful and produces an immune response. Repeated exposure to peanuts can increase the risk of developing a peanut allergy.

Symptoms of Peanut Allergies

Some of the most common symptoms of peanut allergies include:

  • Hives or rash
  • Swelling of the lips, tongue, or throat
  • Difficulty breathing
  • Nausea or vomiting
  • Abdominal pain
  • Drop in blood pressure
  • Anaphylaxis (a potentially life-threatening allergic reaction)


Peanuts are a nutritious and delicious food that offers a range of vitamins, minerals, healthy fats, and plant-based protein. While they are not perfect, occasional consumption should not pose a health threat for most people.

FAQs about Peanuts

  • Q: Are peanuts safe for people with nut allergies?
  • A: While peanuts are technically a legume, they can still cause allergic reactions in those with nut allergies. If you have a nut allergy, talk to your healthcare provider before consuming peanuts or peanut products.
  • Q: How many peanuts should I eat per day?
  • A: There is no universal answer to this question as it depends on individual needs and goals. Generally, a handful of peanuts (about one ounce or 28 grams) per day is a healthy amount for most people.
  • Q: Do roasted peanuts contain more calories than raw peanuts?
  • A: Yes, roasted peanuts generally contain more calories than raw peanuts as the roasting process can increase the fat content of the peanuts. However, roasting also enhances the flavor and can make the peanuts more enjoyable to eat.
  • Q: Can eating peanuts help me lose weight?
  • A: While peanuts are high in calories and fat, they can still be part of a healthy weight loss plan when consumed in moderation. Peanuts can help you stay full and satisfied, which can prevent overeating and snacking on less healthy foods.
  • Q: Are peanuts a good source of protein?
  • A: Yes, peanuts are an excellent source of plant-based protein, with about 7 grams of protein per ounce. They can be a healthy alternative to animal-based proteins, which can be high in saturated fat and cholesterol.


  • Healing Foods Pyramid: Peanuts. (n.d.). Healthline. Retrieved June 14, 2021, from https://www.healthline.com/nutrition/peanuts-and-peanut-butter
  • Darvesh, A. S., & Bishayee, A. (2012). Chemopreventive and therapeutic potential of tea polyphenols in hepatocellular cancer. Nutrition and cancer, 64(3), 295-302.
  • Xu, Z., Wang, Z., Li, J., Li, Q., Zhang, Q., & Zhao, Y. (2008). Resveratrol in peanuts. Food chemistry, 107(4), 1582-1587.

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