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The Nutrition InvestigatorThe health and nutrition blog by Dr. Roc Ordman.

J Nutrition Jan, 09-New Year’s Resolutions II

by Roc (click here for full post)

J Nutrition January, 2009

SUMMARY – RES0LVE TO ENJOY WINE, CHOCOLATE, AND TEA
1. Wine, Tea, and Chocolate Flavonoids maintain brain function –
2. How reservatrol from red wine reduces risk of breast cancer
3. Good diet helps even with high-risk genes –

RESOLVE TO EAT LESS FAT FROM MEAT
4. How saturated fats cause inflammation and diabetes
5. Tocotrienols signals prevent fat cell formation – [Tocotrienols are derivatives of vitamin E.]

RESOLVE TO CARE FOR ALL CHILDREN
6. Vitamin B-7 (biotin) deficiency is common during pregnancy
7. School snacks often cause poorer diets

SYNOPSIS OF ARTICLES THIS MONTH

1. Wine, Tea, and Chocolate Flavonoids maintain brain function – In a cross-sectional study, we examined the relation between intake of 3 common foodstuffs that contain flavonoids (chocolate, wine, and tea) and cognitive performance. [2031 participants (70–74 y, 55% women)] …The effect was most pronounced for wine and modestly weaker for chocolate intake. Thus, in the elderly, a diet high in some flavonoid-rich foods is associated with better performance in several cognitive abilities in a dose-dependent manner.

2. How reservatrol from red wine reduces risk of breast cancer

3. Good diet helps even with high-risk genes – In conclusion, although [certain genes] were associated with inflammation, consuming a Mediterranean diet (either supplemented with virgin olive oil or nuts) reduced the concentration of inflammation markers regardless of these polymorphisms.

4. How saturated fats cause inflammation and diabetes – This review highlights the inflammatory and insulin-antagonizing effects of saturated fatty acids (SFA), which contribute to the development of metabolic syndrome. Mechanisms responsible for these unhealthy effects of SFA include: … subsequent induction of inflammatory genes in white adipose tissue, immune cells, and myotubes; 3) decreased… oxidation of glucose and fatty acids (FA); and 4) recruitment of immune cells like macrophages, neutrophils, and bone marrow-derived dendritic cells to WAT and muscle. Several studies have demonstrated potential health benefits of substituting SFA with unsaturated FA, particularly oleic acid and (n-3) FA.

5. Tocotrienols signals prevent fat cell formation – [Tocotrienols are derivatives of vitamin E.] In vivo studies show that alpha-tocotrienol and gamma-tocotrienol accumulate in adipose tissue. ..Furthermore, tocotrienol could act as an antiadipogenic vitamin in the nutrient-mediated regulation of body fat through its effects on differentiation.

6. Vitamin B-7 (biotin) deficiency is common during pregnancy – Taken together, such studies provide evidence that a substantial proportion of pregnant women are marginally biotin deficient… These observations further raise concerns that biotin deficiency does occur and does cause human birth defects.

7. School snacks often cause poorer diets – Children in schools with restricted snack availability had significantly higher frequency of fruit and vegetable consumption than children in schools without restricted snack availability.

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