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  • Writer's pictureKeliza Healthy Living


By Dr. med. Claudia Schmiemann

Brazil nut trees (Bertholletia excelsa) are huge trees (often 1-2 m in diameter and over 50 m tall) that are originated in the Amazon rainforest and can reach an age of thousand years. The whiteish flowers of the tree can only be pollinated by a few special bee types and after pollination the nut needs 14 months to grow. The nut shell is wood like and hard to crack. Bolivia and Brazil produced 92% of the world harvest in 2020. Brazil nuts are well known for their high content of Selenium which we need for a healthy thyroid. Only one nut a day is enough to provide us with the daily needed amount. Moreover it is all about trace elements and minerals: it is rich in magnesium, manganese, copper, phosphorus, zinc, calcium, iron, potassium, Thiamin and vitamin E. The healthy fats are beneficial for heart and blood vessel health. The nuts contain ellagic acid which is protective for our brain and enhances mental wellbeing and mood. As with all nuts there is the risk of being contaminated with aflatoxin (which can cause liver cancer). Luckily a different way of drying and a special check on aflatoxin was able to reduce that risk by almost 99 %.

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