Macadamia nut, alias: Queensland chestnut, macadamia nut, macadamia nut, Queensland nut, Latin name; Macadamia ternifolia F. Muell. Among many dried fruits in the world, macadamia nuts have the highest economic value and have always enjoyed the reputation of "king of dried fruits". Distribution: Eastern Australia, New Caledonia, Sulawesi, Indonesia.

Macadamia nuts are rich in nutrients, with an oil content of 70% -79%, especially characterized by rich in unsaturated fatty acids, mainly oleic acid and palmitic acid. The ratio of unsaturated fatty acids to saturated fatty acids in the kernel of light-shelled macadamia nuts is 6.2, and that of coarse-shelled macadamia nuts is 4.8. Protein accounts for 9%, and is also rich in calcium, phosphorus, iron, vitamin B 1, B2 and 8 kinds of amino acids necessary for human body.

1, eating macadamia nuts can reduce blood lipids, reduce plasma serum in blood, and adjust the nutritional value of blood lipids and blood sugar. Regular consumption of macadamia nuts can soften blood vessels and reduce the incidence of heart disease and hypertension, which is very beneficial to human health.

2. Human brain cells are composed of 60% unsaturated fatty acids and 35% protein. For the development of brain, unsaturated fatty acids are the first nutritional component, while macadamia nuts contain a lot of unsaturated fatty acids, including 15%~20% high-quality protein and more than a dozen important amino acids, which are the main components of brain cells. Eating macadamia nuts regularly is very beneficial to improve brain nutrition.