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There are three principal classes of macronutrients: carbohydrate, protein and fat. [1] Macronutrients are defined as a class of chemical compounds which humans consume in relatively large quantities compared to vitamins and minerals which provide humans with energy.
The tables below include tabular lists for selected basic foods, compiled from United States Dept. of Agriculture sources.Included for each food is its weight in grams, its calories, and (also in grams,) the amount of protein, carbohydrates, dietary fiber, fat, and saturated fat. [1]
Floral and leaf buds develop intermittently along the stems of the plant, with each floral bud giving rise to 5–6 flowers and the eventual fruit. [3] Wild blueberries prefer an acidic soil between 4.2 and 5.2 pH and only moderate amounts of moisture. [3] They have a hardy cold tolerance in their range in Canada and the northern United States. [3]
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The fruit is a small sweet dark blue to black berry, full of antioxidants and flavonoids. Several buds may be on a healthy stem, and each bud can open up and have several blossoms. A blueberry field that has full plant coverage can have as many as 150 million blossoms per acre. [citation needed] Cytology is 2n = 48. [7]
For most berry crops, the ideal soil is well drained sandy loam, with a pH of 6.2–6.8 and a moderate to high organic content; however, blueberries have an ideal pH of 4.2–4.8 and can be grown on muck soils, while blueberries and cranberries prefer poorer soils with lower cation exchange, lower calcium, and lower levels of phosphorus. [26]
A sample nutrition facts label, with instructions from the U.S. Food and Drug Administration [1] Nutrition facts placement for two Indonesian cartons of milk The nutrition facts label (also known as the nutrition information panel, and other slight variations [which?]) is a label required on most packaged food in many countries, showing what nutrients and other ingredients (to limit and get ...
Commonly cited as a superfood, blueberries actually provide moderate levels of nutrients compared to many vegetables and other fruits. [4] [5]The term has no official definition by regulatory authorities in major consumer markets, such as the United States Food and Drug Administration and Department of Agriculture or the European Food Safety Authority. [6]