Quinoa (pronounced /ˈkinˌwɑ/ or /ˈkiˌno.ʊə/, Spanish quinua, from Quechua kinwa), a species of goosefoot (Chenopodium), is a grain-like crop grown as a crop primarily for its edible seeds. It is a pseudocereal rather than a true cereal, or grain, as it is not a grass. Its leaves are also eaten as a leaf vegetable, much like amaranth, but the commercial availability of quinoa greens is currently limited.
Quinoa was of great nutritional importance in pre-Columbian Andean civilizations, being secondary only to the potato, and was followed in importance by maize. In contemporary times, this crop has become highly appreciated for its nutritional value, as its protein content is very high (12%–18%), making it a healthful choice for vegetarians and vegans. Unlike wheat or rice (which are low in lysine), quinoa contains a balanced set of essential amino acids for humans, making it an unusually complete protein source. It is a good source of dietary fiber and phosphorus and is high in magnesium and iron. Quinoa is gluten-free and considered easy to digest. Because of all these characteristics, quinoa is being considered a possible crop in NASA's Controlled Ecological Life Support System for long-duration manned spaceflights
PREPARATION Quinoa has a light, fluffy texture when cooked, and its mild, slightly nutty flavor makes it an alternative to white rice or couscous.
The first step in preparing quinoa is to remove the saponins, a process that requires soaking the grain in water for a few hours, then changing the water and resoaking, or rinsing it in ample running water either in a fine strainer or in cheesecloth. Removal of the saponin helps with digestion; the soapy nature of the compound makes it act as a laxative. Most boxed quinoa has been pre-rinsed for convenience.
A common cooking method is to treat quinoa much like rice, bringing two cups of water to a boil with one cup of grain, covering at a low simmer and cooking for 14–18 minutes or until the germ separates from the seed. The cooked germ looks like a tiny curl and should have a slight bite to it (like al dente pasta). As an alternative, one can use a rice cooker to prepare quinoa, treating it just like white rice (for both cooking cycle and water amounts).
Vegetables and seasonings can also be added to make a wide range of dishes. Chicken or vegetable stock can be substituted for water during cooking, adding flavor. It is also suited to vegetable pilafs, complementing bitter greens like kale.
Quinoa can serve as a high-protein breakfast food mixed with honey, almonds, or berries; it is also sold as a dry product, much like corn flakes.
Quinoa flour can be used in wheat-based and gluten-free baking. For the latter, it can be combined with sorghum flour, tapioca, and potato starch to create a nutritious gluten-free baking mix. A suggested mix is three parts quinoa flour, three parts sorghum flour, two parts potato starch, and one part tapioca starch. Quinoa flour can be used as a filling for chocolate.
Quinoa may be germinated in its raw form to boost its nutritional value. Germination activates its natural enzymes and multiplies its vitamin content. In fact, quinoa has a notably short germination period: Only 2-4 hours resting in a glass of clean water is enough to make it sprout and release gases, as opposed to, e.g., 12 hours overnight with wheat. This process, besides its nutritional enhancements, softens the grains, making them suitable to be added to salads and other cold foods.
Nutritional value Quinoa, uncooked Nutritional value per 100 g (3.5 oz) Energy 370 kcal 1540 kJ Carbohydrates 64 g - Starch 52 g - Dietary fibre 7 g Fat 6 g - polyunsaturated 3.3 g Protein 14 g Water 13 Thiamine (Vit. B1) 0.36 mg 28% Riboflavin (Vit. B2)0.32 mg 21% Vitamin B6 0.5 mg 38% Folate (Vit. B9) 184 μg 46% Vitamin E 2.4 mg 16% Iron 4.6 mg 37% Magnesium 197 mg 53% Phosphorus 457 mg 65% Zinc 3.1 mg 31% Percentages are relative to US recommendations for adults. Source: USDA Nutrient database
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