Fruit preserves with lemon, lime, orange, or raspberry. The basic ingredients are beaten egg yolks, sugar, fruit juice and zest which are gently cooked together until thick and then allowed to cool, forming a soft, smooth, intensely flavored spread. Some recipes also include egg whites or butter. Although the FDA has "Requirements for Specific Standardized Fruit Butters, Jellies, Preserves, and Related Products", there is no specification of the meaning of the term Fruit spread. Although some assert it refers to a jam or preserve with no added sugar, there are many "fruit spreads" by leading manufacturers that do contain added sugar. This
Fruit anatomy rate of germinating seeds. Fruit anatomy Fruit anatomy is the plant anatomy of the internal structure of fruit. Fruits are the mature ovary or ovaries of one or more flowers. In fleshy fruits, the outer layer (which is often edible) is the "pericarp", which is the tissue that develops from the ovary wall of the flower and surrounds the seeds. But in some seemingly pericarp fruits, the edible portion is not derived from the ovary. For example, in the fruit of the ackee tree the edible portion is an aril, and in the pineapple several tissues from the flower and