At USD25 per pound, macadamia nuts are the world’s most expensive nuts, almost twice as much as other nuts like almonds. Macadamia trees take about seven to 10 years to produce nuts. Each tree produces a very limited number of nuts per season. The harvesting process is laborious and costly because it is difficult to tell the ripe nuts from the unripe ones, and to remove the shells. Macadamia nuts are the toughest nuts in the world to crack. Macadamia nuts contain palmitoleic acid, which improves metabolism and helps the body maintain healthy levels of insulin.
Obesity is often associated with, and exacerbated by, other metabolic disorders such as type 2 diabetes mellitus (T2DM). A hallmark of T2DM is failure of insulin secretion from pancreatic β-cell to regulate blood glucose disposal into peripheral tissues, such as skeletal muscle, termed insulin resistance, as well as deregulation of pancreatic α-cell function.
It has been suggested that palmitoleic acid has hormone-like properties and improves some metabolic parameters that are impaired in obesity and T2DM.
National Library of Medicine https://pubmed.ncbi.nlm.nih.gov/
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