Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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arachis hypogaea; Arachis seeds; Ashantine nut; pea nut; Peanut

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A useful plant from the legume family (legumes). Due to the close relationship to legumes, peanuts have a lower content of omega-3 fatty acids than many other nuts (see nut below). In contrast to most other legumes, peanuts can be eaten raw.

The allergenic potential (see below peanut allergy) is relatively high compared to other food allergens. The harvested crops are first dried with a water content of 40% to 5-10%.

General information
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Ripe peanuts can be eaten raw, roasted or cooked. The peanut has a high nutritional value with 25% protein content. The oil content of peanut kernels is 40-45%, the carbohydrate content is 8-12%, the water content is 5%. 100 g peanuts contain 180 mg magnesium. This makes peanuts one of the most magnesium-rich plant foods.

Peanuts can make a very valuable contribution to a vegetarian diet in particular.

Different peanut products are used in different ways in cosmetics. See below: Arachis hypogaea seedcoat extract (INCI), Arachis hypogaea fruit extract (INCI), Arachis hypogaea flour (INCI), Arachis hypogaea (peanut) sprout extract (INCI).

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In the USA about 1.5 million people suffer from peanut allergy. The prognosis for peanut allergy is worse than for other childhood food allergies (e.g. milk or egg allergy).

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In cases of severe peanut allergy with possible anaphylactic reactions, oral immunization appears to be a clinical treatment option (>50% achieve sufficient tolerance to peanut).

In finished medical preparations peanut oil is present in the following externals: Balneum Hermal®, Oil Bath Cordes®.

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The following terms in the list of ingredients may indicate the use of peanuts: peanut, peanut protein, peanut butter, peanut cream, peanut oil, vegetable protein, lecithin (E 322), vegetable fat. Lecithin and vegetable fat may also be of different origin.

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  1. Flower K et al (2010) Oral peanut immunotherapy in children with peanut anaphylaxis. J Allergy Clin Immunol 126: 83-91
  2. Du Toit G et al.(2015) Randomized trial of peanut consumption in infants at risk for peanut allergy. N Engl J Med 372:803-813.


Last updated on: 29.10.2020