Senin, 21 Juli 2008
Nutritional of value
Fruits are generally high in fiber, water and vitamin C. Fruits also contain various phytochemicals that do not yet have an RDA/RDI listing under most nutritional factsheets, and which research indicates are required for proper long-term cellular health and disease prevention. Regular consumption of fruit is associated with reduced risks of cancer, cardiovascular disease, stroke, Alzheimer disease, cataracts, and some of the functional declines associated with aging.
Effect of the free use of fruits and vegetables
This study aimed to evaluate systematically the effect of the free use of fruits and vegetables containing an intermediate amount of phenylalanine (51-100 mg/100 g) on the biochemical control in children with phenylketonuria (PKU). Fifteen subjects with PKU, with a median age of 6 years (range 1-24 years) were studied. In a three-part prospective 15-week study, subjects sequentially ate fruits and vegetables containing phenylalanine 0-50 mg/100 g for weeks 1 to 3; 51-75 mg/100 g for weeks 4 to 8; and 76-100 mg/100 g for weeks 9 to 15. Plasma phenylalanine concentrations were measured twice daily for three consecutive days in weeks 1, 3, 6, 8, 11, 13 and 15. A standard menu was followed on the blood sampling days. Daily dietary records of fruits and vegetables under study were kept throughout the trial. Control of phenylalanine concentrations was not adversely affected by the free use of fruits and vegetables containing 51-100 mg/100 g. Pre-breakfast median plasma concentrations were: weeks 1 to 3, 260 μmol/L (range 90-890); weeks 4 to 8, 255 μmol/L (range 130-920); and weeks 9 to 15, 278 μmol/L (range 30-880). Pre-evening meal median plasma phenylalanine concentrations were: weeks 1 to 3, 240 μmol/L (range 30-820); weeks 4 to 8, 210 μmol/L (40-880); and weeks 9 to 15, 238 μmol/L (range 20-880). These data suggest that free use of fruits and vegetables containing 51-75 mg/100 g poses no problem for children with PKU.
Fruit Tablets
Miracle fruit is available as freeze dried granules or in tablets - this form has a longer shelf life than fresh fruit. Tablets are made from compressed freeze dried fruit which causes the texture to be clearly visible even in tablet form.The effect of Miracle fruit is made possible by contact with the tongue, not through digestion. For this reason, tablets fruits must be allowed to dissolve in the mouth. The most pronounced effect can be achieved by coating the entire tongue in a paste of Miracle fruit for up to 30 seconds.The tablets are currently very difficult to get outside of Asia. However, in many countries they can be purchased on the Internet.
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