Food Acquisition Habits, Nutrient Intakes, and Anthropometric Data of Havasupai Adults

Vaughan, Linda A.; Benyshek, Daniel C.; Martin, John F.

doi:10.1016/s0002-8223(97)00305-2

Cited by 41 publications

(38 citation statements)

References 36 publications

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“…Overall, our results were consistent with other American Indian studies which showed a high consumption of less nutrient-dense foods (19,(36)(37)(38)(39)(40)(41)(42) . However, the actual foods consumed may have changed over time and thus (43) recommends 5-7 servings grain, 4-6 servings vegetables, 3-4 servings fruit, 3 servings dairy and 5-6 oz of meat or meat alternatives for a daily energy intake of 6699-9205 kJ (1601-2200 kcal); 8-10 servings of grain, 6-7 servings vegetables, 4-5 servings fruit, 3 servings dairy and 6-7 oz of meat or meat alternatives for a daily energy intake of 9210-11 716 kJ (2201-2800 kcal); 10 servings of grain, 8 servings of vegetables, 5 servings fruit, 3 servings dairy and 7 oz of meat or meat alternatives for a daily energy intake above 11 716 kJ (2800 kcal).…”

Section: Discussionsupporting

confidence: 92%

“…Sweetened beverage consumption was noted to be high throughout the year among American Indians, with increased intake during the summer due to the high temperature and dry climate (36,38) . Similar results were reported by two other American Indian studies conducted in Arizona, which reported that sweetened beverages comprised 14 % and 11 % of total energy intake (37,38) .…”

Section: Discussionmentioning

confidence: 99%

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Dietary intake and development of a quantitative FFQ for a nutritional intervention to reduce the risk of chronic disease in the Navajo Nation

Sharma

Yacavone

Cao

et al. 2009

Public Health Nutr.

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Objectives: To characterize dietary intake for Navajo adults, to identify foods for a nutritional intervention programme and to develop a culturally appropriate quantitative FFQ (QFFQ) for evaluating the impact of the intervention programme. Design: A cross-sectional study was conducted using 24 h dietary recalls. Setting: Navajo Nation, USA. Subjects: Seventy-nine (forty men, thirty-nine women) aged 18-71 years completed 24 h dietary recalls. Results: The median daily energy intake was 11 585 kJ (2769 kcal) for men and 8519 kJ (2036 kcal) for women. The greatest contributors to energy were fried potato dishes, sweetened juices/drinks, regular pop, bread, tortillas and burritos (contributing approximately 30 % of total energy intake). The mean number of meat servings was over twice that recommended (2-3 servings recommended v. 7?4 consumed by men and 5?3 by women). The mean servings of vegetables were well below the recommendation of 3-5 servings (1?0 serving for men and 1?2 servings for women). The final QFFQ contains 177 food and drink items. Conclusions: Our study found that major contributors to total energy, fat and sugar intakes in the Navajo Nation included mostly processed meats and sweetened drinks. A nutritional intervention will target these foods and promote acceptable and healthier alternatives. In addition, we were able to identify foods and beverages for inclusion on a culturally appropriate QFFQ to assess dietary intake. This QFFQ will be used to evaluate the effectiveness of our intervention on food and food group consumption and nutrient intake.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

Dietary intake and development of a quantitative FFQ for a nutritional intervention to reduce the risk of chronic disease in the Navajo Nation

Sharma

Yacavone

Cao

et al. 2009

Public Health Nutr.

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“…These results agree with the observation that diets poor in dietary fat-soluble vitamins, especially vitamin A and carotenoids, favour adipose tissue formation in sirloin (the so-called bovine marbling) [30]. Of note, there are studies linking a low dietary intake of vitamin A with high incidence of obesity in certain human populations, such as Navajo women [82] and the Havasupai [83]. The hypertrophy of WAT in vitamin A-deficient diet-fed animals may be related to the proadipogenic effect of low RA doses reported in cultured preadipose cells [77].…”

Section: Vitamin a And Body Fatsupporting

confidence: 88%

Vitamin A and the regulation of fat reserves

Bonet

Ribot

Felipe

et al. 2003

Cellular and Molecular Life Sciences (CMLS)

162

127

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Beyond their classical nutritional roles, nutrients modify gene expression and function in target cells and, by so doing, affect many fundamental biological processes. An emerging example, which is the focus of this review, is the involvement of vitamin A in the regulation of the level and functioning of body fat reserves. Retinoic acid, the carboxylic acid form of vitamin A, is a transcriptional activator of the genes encoding uncoupling proteins, and results in animals indicate that whole body thermogenic capacity is related to the vitamin A status. Retinoic acid also influences adipocyte differentiation and survival, with high doses inhibiting and low doses promoting adipogenesis of preadipose cells in culture. Moreover, vitamin A status can influence the development and function of adipose tissues in whole animals, with a low vitamin A status favouring increased fat deposition.

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“…On the other hand, feeding mice with a vitamin A deficient diet results in a marked increase in adiposity [58]. Of note, there are studies linking a low dietary intake of vitamin A with a high incidence of obesity in certain human populations [72,78]. Even if, in rodents, increases in skeletal muscle fatty acid oxidation [1] and changes in liver metabolism (Amengual et al, unpublished results) can contribute to the RA slimming effect, there is strong evidence that the major role of carotenoid derivatives is on adipose tissue (see next section).…”

Section: Carotenoid/retinoid Pathway and Lipid Metabolismmentioning

confidence: 99%

β-Carotene conversion products and their effects on adipose tissue

et al. 2009

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Recent epidemiological data suggest that b-carotene may be protective against metabolic diseases in which adipose tissue plays a key role. Adipose tissue constitutes the major b-carotene storage tissue and its functions have been shown to be modulated in response to b-carotene breakdown products, especially retinal produced after cleavage by b-carotene 15,15 0 -monooxygenase (BCMO1), and retinoic acid arising from oxidation of retinal. However, the possibility exists that b-carotene in its intact form can also affect adipocyte function. Development of a knock out model and identification of a loss-offunction mutation have pointed out BCMO1 as being probably the sole enzyme responsible for provitamin A conversion into retinal in mammals. The utilisation of BCMO1 -/-mice should provide insights on b-carotene effect on its own in the future. In humans, intervention studies have highlighted the huge interindividual variation of b-carotene conversion efficiency, possibly due to genetic polymorphisms, which might impact on response to b-carotene. This brief review discusses the processes involved in b-carotene conversion and the effect of cleavage products on body fat and adipose tissue function.

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Food Acquisition Habits, Nutrient Intakes, and Anthropometric Data of Havasupai Adults

Cited by 41 publications

References 36 publications

Dietary intake and development of a quantitative FFQ for a nutritional intervention to reduce the risk of chronic disease in the Navajo Nation

Dietary intake and development of a quantitative FFQ for a nutritional intervention to reduce the risk of chronic disease in the Navajo Nation

Vitamin A and the regulation of fat reserves

β-Carotene conversion products and their effects on adipose tissue

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