Vitamins

Vitamins are small but complex molecules. In addition to helping us to use and store energy from macronutrients, they assist the molecules responsible for vision to perform their function, they serve as regulatory hormones for bone formation, and they act as antioxidants to preserve cellular function (see Vitamins and Minerals as Antioxidants, page 31). Each of the vitamins was discovered and its requirement determined by its ability to cure and prevent a particular disease or group of...

Oils

Canola oil is a bland-tasting oil made from rapeseed. Its health advantages over other oils has made it a popular choice in the United States, although it is also used around the world. Elsewhere, it may be referred to as lear oil or low erucic acid rape-seed oil. Canola oil is the lowest in saturated fats of all oils. Only olive oil has more monoun- saturated fat. (See Chapter 2, A Comparison of Fats, page 27.) Another positive aspect is that canola oil contains omega-3 fatty acids, which are...

Nutrient Composition

Eggplant is composed mostly of water and contains only small amounts of nutrients. Fennel is an aromatic herb similar in appearance to dill. It has pale yellowish-green, hollow stems and bright-green, feathery leaves. The clear yellow flowers of fennel produce seed structures that resemble umbrellas. Both the root and the leaves have a mild licorice flavor. The seeds have a pungent, aromatic scent. Scientific name Foeniculum vulgare (dulce) Common name fennel, sweet anise The two basic types of...

Fat as a Nutrient

Fat is an essential nutrient, because our bodies require small amounts of several fatty acids from foods (the so-called essential fatty acids) to build cell membranes and to make several indispensable hormones, namely, the steroid hormones testosterone, progesterone, and estrogen, and the hormone-like prostaglandins. Dietary fats also permit one group of vitamins, the fat-soluble vitamins (A, D, E, and K), to be absorbed from foods during the process of digestion. Fats help these vitamins to be...