Academic literature on the topic '410/.285'

"TABLE 9 Mineral Composition of Rye, Wheat, Barley, Corn, Oats, and Rice (mg/100 g, dry wt.) Barley Oats Rice Whole Kernel Whole Kernel Whole Kernel Rye Wheat grain only Corn grain only grain only Phosphorus 380 410 470 400 310 340 400 285 290 Potassium 520 580 630 600 330 460 380 340 120 Calcium 70 60 90 80 30 95 66 68 67 Magnesium 130 180 140 130 140 140 120 90 47 Iron 966 - 274 - 6 Copper 0.90.80.90.2450.30.4 Mangenese 7.55.51.80.65462 Zinc 3.44.44.0 - 3.91.5-2.21.2-2.1 Sodium 3.14.6 11.8 8.63.1-6.92.2-5.1 TABLE 10 Mineral Composition of Sorghum, Triticale, barley contains the highest average levels of phosphorus and Wild Ricea and whole grain rice the lowest (285 mg/100 g). From a di-Sorghum Triticale Wild rice etary standpoint, barley, corn, and rice are considered moderate sources of phosphorus (100-200 mg/100 g); Phosphorus 405 0.19% 0.4-0.5% buckwheat, millet, oats, brown rice, rice bran, rye, wheat, Potassium 400 1.21% 0.4-0.6% wheat germ, wheat bran and wild rice are classified as high Calcium 20 0.21% 0.01-0.03% sources (200-1200 mg/100 g) (Tables 13-16). Magnesium 150 0.16% 0.1-0.2% The data in Tables 13-16 indicate that quantities of Iron 6 12-51 ppm Copper 0.53.9 ppm 1.8-14.5 ppm phosphorus vary significantly from one wheat variety to Manganese 1.5 37 ppm another. This variation can also be seen in barley. In con-Zinc 0.0008% 36 ppm 40-121 ppm trast, phosphorus content from one variety of rye or oats to Sodium 0.00008% another does not vary significantly. In the Syvalahti and Korkman [42] study, phosphorus content of the grain was 'mg/100 g (dry wt.) unless otherwise noted. not affected by the fertilizer treatments of spring wheat, Refs. 15, 17, 35, 36. barley, and rye. Significant differences in phosphorus con-tent were seen in winter wheat and oats when different fer-[40], calcium levels in various rye and oat varieties tend to tilizer treatments were used (Tables 17-21). be reasonably consistent (Tables 13-16). The effects of various fertilizer treatments on mineral C. Magnesium content of spring and winter wheat, barley, oats and rye Eighty-seven percent of the magnesium in cereal grains is grown in 10 localities in Finland are shown in Tables located in the aleurone layer [34]. Because magnesium 17-21. These data [42] show that fertilizer treatment did binds with phytic acid, much of the magnesium is probably not result in a variation in calcium content in the grains present as Ca5 Mg phytate or as potassium-magnesium studied (Tables 17-21). phytate [34]. The remainder is likely to be present in phos-B. Phosphorus phates and sulfates [34]. From a dietary standpoint, brown rice is considered to Compared to other minerals, phosphorus is found in large be a poor source of magnesium (50-100 mg/100 g). Mod-quantities in cereal grains. It is mostly associated with erately good sources (100-200 mg/100 g) include barley, phytic acid (myoinositol hexaphosphoric acid) and its millet, oats, rye, wheat, and wild rice. Buckwheat, wheat salts. In wheat, rice, and maize, 80% or more of the total bran, and wheat germ are considered to be high sources of phosphorus is accounted for by the phytate [34]. Over 80% this mineral (200-400 mg/100 g) [1-3,6,8,37,43] (Tables of the phytate is located in the aleurone portion of wheat 13-16). In the mid-1970s the Food and Nutrition Board and the pericarp of rice; in corn, over 80% is found in the proposed that wheat flour be enriched with magnesium at germ [34]. In wheat, phosphorus becomes incorporated the rate of 200 mg/lb flour [9,14]. However, this proposal into phytic acid during maturation [34]. As seen in Table 9, was never implemented." In Handbook of Cereal Science and Technology, Revised and Expanded. CRC Press, 2000. http://dx.doi.org/10.1201/9781420027228-49.