| Budget Amount *help |
¥19,500,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥4,500,000)
Fiscal Year 2010: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2009: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2008: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2007: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
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| Research Abstract |
Phytic acid (myo-inositol hexakisphosphate or InsP6) is the storage form of phosphorus (P) in seeds and exists as phytate, typically representing 75±10% of the total seed phosphorus. Phytate is poorly digested by monogastric animals. Therefore, large amounts of P are present in poultry and chicken feces. As a result, P is lost to the environment in cereal-consuming regions, where it may contribute to excessive levels in soil and water. The anti-nutritional effects of phytate are primarily related to its strong chelating activity due to its six reactive phosphorus esters. Multivalent cations, such as Zn and Fe are particularly susceptible and form insoluble and indigestible complexes. In order to address these problems, we developed a low-phytate soybean and sorghum by crossing, and investigate the growth characteristics, productivity, and seed quality of this new low-phytate line compared to the parental stock.
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