The second period, Mesolithic 2, is also called the Natufian culture. The change from Mesolithic 1 to Natufian culture can be dated more closely. The latest date from a Mesolithic 1 site in the Levant is 12,150 BCE. The earliest date from a Natufian site is 11,140 BCE.
Food. Milk, yogurt, and cheese are rich natural sources of calcium and are the major food contributors of this nutrient to people in the United States [ 1 ]. Nondairy sources include vegetables, such as Chinese cabbage, kale, and broccoli.Spinach provides calcium, but its bioavailability is poor.ood. Milk, yogurt, and cheese are rich natural sources of calcium and are the major food contributors of this nutrient to people in the United States [ 1 ]. Nondairy sources include vegetables, such as Chinese cabbage, kale, and broccoli.
Other good sources of calcium include milk products and milk substitutes, such as: 1  Flavored milk (for example, chocolate milk) 2  Lactose-free or lactose-reduced milk. 3  Buttermilk. Plain or fruit yogurt. 4  Cheese. Rice milk or soy milk with added calcium.