 The moist heat treatment increased the number of phenolic and flavonoid compounds present in laurel leaf extract, LLE, while unmoist heat treatment decreased their numbers. The moist heat treatment also increased the anti-helicobacter pylori, antioxidant, anti-diabetic, and anti-alzheimer's activities of LLE. Additionally, the moist heat treatment had a greater effect on the bioactivity of LLE than the unmoist heat treatment. This article was authored by Aisha M. H. Aourashi, Huzum Kanash, Majid N. Almasjiri, and others.