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Matti Narkia

Vitamin D3 and 25-hydroxyvitamin D3 in raw and cooked pork cuts - ScienceDirect - Journ... - 0 views

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    Vitamin D3 and 25-hydroxyvitamin D3 in raw and cooked pork cuts. Ina Clausen, Jette Jakobsen, Torben Leth and Lars Ovesen. Journal of Food Composition and Analysis Volume 16, Issue 5, October 2003, Pages 575-585 doi:10.1016/S0889-1575(03)00064-4 Meat 25OHD3 contributes significantly to vitamin D activity. Food databases should include concentrations of both vitamin D and 25OHD.
Matti Narkia

Concentrations of vitamin D3 and 25-hydroxyvitamin D3 in raw and cooked New Zealand bee... - 0 views

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    Concentrations of vitamin D3 and 25-hydroxyvitamin D3 in raw and cooked New Zealand beef and lamb. Roger Purchas, Maggie Zoua, Philip Pearcea and Felicity Jackson- Journal of Food Composition and Analysis Volume 20, Issue 2, March 2007, Pages 90-98 For lamb, the highest levels of vitamin D3 were in the shoulder chop both before and after cooking, while levels were lowest in the rack muscle. Similar cut differences were shown for 25OHD3 concentrations. For beef there were no significant differences between the cuts for vitamin D3, but concentrations of 25OHD3 were lower in the striploin before and after cooking, Vitamin D3 levels tended to be higher in beef cuts than in lamb cuts, but the opposite held for 25OHD3. Concentrations of vitamin D3 were similar to those in other reports, but the 25OHD3 levels were at the high end of reported ranges. With 25OHD3 being more potent than vitamin D3, it is concluded that meat can make a useful contribution of this vitamin to the human diet.
Matti Narkia

An ecologic study of dietary and solar ultraviolet-B links to breast carcinoma mortalit... - 0 views

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    An ecologic study of dietary and solar ultraviolet-B links to breast carcinoma mortality rates. Grant WB. Cancer. 2002 Jan 1;94(1):272-81. PMID: 11815987 CONCLUSIONS It is hypothesized that animal products are associated with risk for breast carcinoma because they are associated with greater amounts of insulin-like growth factor-1and lifetime doses of estrogen. Vegetable products contain several risk reduction components including antioxidants and phytoestrogens. The association with latitude is very likely because of solar UV-B radiation and vitamin D. Alcohol modulates estrogen's effects on breasts. Fish intake is associated with risk reduction through vitamin D and n-3 oils. These results are consistent with those of many case-control and cohort studies but should be assessed in well designed cohort studies.
Matti Narkia

Dietary Acid-Base Balance, Bone Resorption, and Calcium Excretion -- Jajoo et al. 25 (3... - 0 views

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    Dietary acid-base balance, bone resorption, and calcium excretion. Jajoo R, Song L, Rasmussen H, Harris SS, Dawson-Hughes B. J Am Coll Nutr. 2006 Jun;25(3):224-30. PMID: 16766781 Conclusions: Diet changes that increase renal NAE are associated with increases in serum PTH, bone resorption, and calcium excretion over a 60-day period.
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