What is Rosemary Leaf Extract?

Rosemary Leaf Extract is an aromatic evergreen shrub that has leaves similar to hemlock needles. The leaves are used as a flavoring in foods such as stuffings and roast lamb, pork, chicken and turkey. It is native to the Mediterranean and Asia, but is reasonably hardy in cool climates.cuisine.
They have a bitter, astringent taste and a characteristic aroma which complements many cooked foods. Herbal tea can be made from the leaves. When roasted with meats or vegetables, the leaves impart amustard-like aroma with an additional fragrance of charred wood compatible with barbecued foods.
In amounts typically used to flavor foods, such as one teaspoon (1 gram), rosemary provides no nutritional value. Rosemary Leaf Extract has been shown to improve the shelf life and heat stability of omega 3-rich oils which are prone to rancidity.