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1.

Rural African children consuming plant‐based diets low in animal products are at risk for sub‐optimal zinc nutriture. Consequently, we investigated indigenous dietary strategies for inproving the zinc nutriture of rural southern Malawian and Ghanaian children.

Seasonal dietary intakes, and the portion sizes of foods consumed by 4–6 year old Malawian and Ghanaian girls (n = 112) were determined from 3‐day weighed food records. The optimal combination of food items for enhancing zinc bioavailability was determined by comparing the zinc content, and the phytate‐to‐zinc molar ratio (PZ) of isocaloric meals and snacks consumed by these girls. The energy content and portion sizes of the recommended meals and snacks were based on actual average intakes.

Results showed that in Malawi the amount of available zinc could be enhanced by using refined corn flour nsima or a non‐traditional fermented corn dough nsima with relishes prepared from small fish, and snacks with moderate to low PZ. In Ghana, fermented corn dough banku, or cocoyam, for root‐based meals, together with a soup/stew of small fish, and zinc‐dense snacks were recommended.  相似文献   

2.
OBJECTIVE: To investigate the effect of energy density and food volume intakes in one meal (lunch-time) on food and energy intakes in the subsequent meal (tea-time). DESIGN: During lunch, two meals with different energy densities (1.26 and 0.69 kcal/g) were offered to preschool children using normal foods and maintaining a similar energy, carbohydrate, and fat intakes. In the subsequent meal a varied type of high acceptability foods were served in higher amounts than those that children usually consume. SETTING: A day care center where the children were fed during lunch-time and tea-time. SUBJECTS: Two hundred and thirty-four normal preschool children, 108 males and 126 females, according to the weight for height index using the NCHS standards. METHODS: Chemical analysis of the meals served using the AOAC methods and determination of food and energy intakes by differential weighing of the foods. RESULTS: The preschool children had a similar energy intake at lunch but a significantly higher food intake when they consumed the meal with the lower energy density (313 vs. 290.7 kcal) (P = 0.001). There were no differences in the food intakes at the subsequent meal times. CONCLUSIONS: The results of this present work demonstrate that under the conditions of the study, there is an inverse relationship between the energy density of the meals consumed at the first meal-time and the energy intakes at the subsequent meal in normal preschool children; and a direct relationship with the short-term satiety. It is possible that differences in satiety reflect, in part, effects from the characteristics of the normal food used in the dietary treatments. These conclusions suggest that future research must be carried out in order to investigate the separate effects of food and the dietary variables commonly used in the studies of food and energy regulations in humans.  相似文献   

3.
BACKGROUND: Information is needed on the minimum energy density and feeding frequency of complementary foods that can provide adequate energy intakes (EIs) for healthy breastfed children. OBJECTIVES: The objectives of the study were to evaluate the effects of various energy densities and feeding frequencies of complementary foods on EI from these foods, breast milk consumption, and total EI from both sources. DESIGN: During 9 separate, randomly ordered dietary periods lasting 3-6 d each, we measured intakes of food and breast milk by 18 healthy breastfed children 8-11 mo of age who, 3, 4, or 5 times/d, were fed porridge with a coded energy density of 0.5, 1.0, or 1.5 kcal/g. Food intake was measured by weighing the feeding bowl before and after meals, and breast milk intake was measured by test weighing. RESULTS: The mean amounts of complementary foods consumed were inversely related to their energy density and positively related to the number of meals/d (P < 0.001 for both); EIs from foods were positively related to both factors. Breast milk intake decreased slightly but progressively, with greater energy density and feeding frequency of complementary foods; total EIs (kcal/d) increased in relation to both factors (P < 0.001 for both). CONCLUSIONS: The energy density and feeding frequency of complementary foods affect infants' total daily EI and breast milk consumption. Recommendations can be developed for the appropriate combinations of these dietary factors that are compatible with adequate EI, although longer-term effects of complementary feeding practices on breast milk intake and breastfeeding duration need further community-based studies.  相似文献   

4.
A study was conducted at the US Military Academy, West Point, NY, to assess the nutritional adequacy of menus and dietary intakes of the cadets and to determine the effect of the optional weekday evening meal policy on nutrient intakes.

Dietary intakes were obtained over a 7-day period using a diary-interview technique. Volunteer cadets, 118 males and 86 females, recorded their own intakes and were interviewed by dietitians to verify food records. Cadets were categorized by gender and divided into three groups based on whether they consumed 0-1, 2-3, or 4-5 weekday evening meals in the Cadet Mess.

Multivariate methods were used to assess compliance with Military Recommended Dietary Allowances (MRDA) and nutrient densities as well as the role of gender, number of weekday evening meals consumed in the West Point Cadet Mess, and the use of nutritional supplements during the study week. The number of weekday evening meals consumed in the Cadet Mess, was positively correlated with the nutrient intakes of the cadet groups. The female 0-1 group had the highest proportion of individuals with mean intakes providing < 70% MRDA for vitamin B6, folate, vitamin A, magnesium, or zinc. Snacks provided from 24% to 32% of the energy intakes of the female groups and were often substituted for meals, particularly by cadets who ate the fewest meals in the Cadet Mess.

Diet counseling is recommended to help these cadets choose more nutritious meals and snacks. University and college students that choose not to purchase some of their meals from campus dining facilities could have similar dietary intake patterns and nutritional shortcomings.  相似文献   

5.
The Healthy, Hunger-Free Kids Act of 2010 updated the nutrition standards in the National School Lunch and School Breakfast Programs (NSLP and SBP) and expanded universal free meals’ availability in low-income schools. Past studies have shown that school meals are an important resource for children in food-insecure households. This analysis used data from the School Nutrition and Meal Cost Study to classify students as food insecure (FI), marginally secure (MS), or food secure (FS). Diet quality from school and nonschool foods that students consumed was assessed using Healthy Eating Index (HEI)-2010 scores. Chi-squared and two-tailed t-tests were conducted to compare school meal participation, students’ energy intakes, and diet quality across food security groups. FI and MS students were significantly more likely to participate in NSLP than FS students (79%, 71%, and 49%, respectively). SBP participation followed a similar pattern but was lower (38% FI, 33% MS, and 16% FS). Compared to FS students, FI and MS students more likely attended schools offering SBP, universal free meals, or afterschool snacks and suppers. School meals contributed significantly more energy to FI and MS students’ diets than to FS students (22%, 20%, and 13%, respectively). All groups’ dietary intakes from school foods were of higher quality than non-school foods. These findings highlight the role of school meals in meeting the energy and diet quality needs of FI and MS students.  相似文献   

6.
7.
Food habits of 36 men were recorded by means of a 7-d weighed inventory. Those recording higher energy intakes tended to consume a greater number of portions of some food items, but portion weights were not related to the energy intake. Those with higher energy intakes consumed a greater number of large meals; the relationship between energy intake and frequency of meals depended on the definition of a meal. There was no correlation between energy intake and variety of food consumed.  相似文献   

8.
Childhood obesity is currently at its highest: recent statistics show that 16% of children between the ages of 6 and 11 y are overweight [> or =95th percentile of body mass index (BMI; in kg/m(2)) for age] and that an additional 14.3% are at risk of becoming overweight (> or =85th percentile but < 95th percentile of BMI for age). As children's body weights have increased, so has their consumption of fast foods and soft drinks. The proportion of foods that children consumed from restaurants and fast food outlets increased by nearly 300% between 1977 and 1996. Children's soft drink consumption has also increased during those years, and now soft drinks provide soft drink consumers 188 kcal/d beyond the energy intake of nonconsumers. These changes in food intakes among children may partly explain the rise in childhood obesity observed in the past few years. Although the mechanism of appetite regulation will not be explored in this report, it is hypothesized that the greater energy intakes in children who consume large amounts of soft drinks and fast foods are not compensated for by increased physical activity or decreased energy intakes. Furthermore, overweight and obesity in childhood may predispose persons to morbidity in adulthood. Blood pressure and fasting insulin and cholesterol concentrations are higher in overweight children than in normal-weight children. This review focuses on current food patterns and eating habits of children, in an attempt to explain their increasing BMI. In addition, a critical review of food service and political practices regarding food choices for children at school is included.  相似文献   

9.
In April 2004 Hull City Council introduced free healthy school meals for all primary and special schools in an attempt to reduce health inequalities. This pilot study aimed to compare nutritional intake between those children consuming a free healthy school meal and those consuming a packed lunch brought from home. The study compared two schools from different socio‐economic areas and considered the impact of lunch on total daily food and nutrient intakes in these children. Fieldwork was undertaken over five consecutive days in each school. Seven hundred and thirty‐five lunches were weighed and photographed before and after consumption to assess actual food intake vs. wastage. One hundred and forty‐seven children aged 8‐to‐11‐years participated from two primary schools. Five‐day food diaries were completed by a small number of participants (n = 20) receiving school meals (n = 10) and packed lunches (n = 10) from the two schools selected. While the lunches provided at the two schools met the majority of the nutritional guidelines for school meals, children ate only a small amount, often leaving the potatoes and vegetables behind; therefore, their intakes were below recommended levels. Children from both schools who opted for packed lunch consumed significantly more energy, fat, sugar and sodium but with this more micronutrients than children who had a free healthy school meal. Statistical differences (P < 0.01) were found between the two schools, with children from the less affluent school consuming less food from the school meal and therefore obtaining a lower nutrient intake from lunch than children from the more affluent school. Findings from a small number of food diaries suggest that the differences in intakes between those having a school meal and those having a packed lunch were compensated for by other food consumed during the day, such that daily nutrient intakes were not significantly different. This study suggests that many children may not be consuming sufficient amounts of the food provided in schools. Therefore, it cannot be assumed that the provision of school meals that conform to the School Food Trust guidelines will be of nutritional benefit to all children concerned. Bearing this in mind, more needs to be done to provide menus that are both healthy and enjoyable for children, so that they will want to consume the foods provided. Parents also need more advice regarding how they can provide their children with a healthy packed lunch, possibly via the introduction of a government‐led packed lunch policy, particularly in schools from areas of lower socio‐economic status. Although there was only a small sample of food diaries in this study, the findings suggest that socio‐economic demographics may exert more of an influence on the total daily nutrient intake of children than the type of lunch consumed.  相似文献   

10.
Traoré T  Vieu MC  Alfred TS  Serge T 《Appetite》2005,45(3):279-286
The present study was carried out in Ouagadougou (Burkina Faso) with the aim of determining if the duration of the habituation period (1, 5 or 10 days) to low and high energy density gruels affected the amounts consumed or the energy intakes from gruels consumed by 6-9-month-old infants. Thirty infants were chosen randomly among the eligible children in the study area and randomly assigned to two groups (S1 and S2). Each infant was given successively for 10 consecutive days two experimental gruels, each type of gruel being fed twice a day. The 15 infants in group S1 received low energy density gruel (G1) in the first period and high energy density gruel (G2) in the second, and the 15 infants in group S2 received G2 in the first period and G1 in the second. The two periods of 10 days were separated by 4 days during which the infant received his or her usual foods. The intakes of experimental gruels and other complementary foods were measured on days 1, 5 and 10 of each period. Whatever the type of gruel, the 10-day period of habituation did not result in an increase in the amounts consumed or in the energy intakes from these gruels. The amounts of G1 consumed on day 5 were significantly higher than those of G2 (9.0 vs 6.8 g/kg/meal; p = 0.044). Energy intakes from G2 were significantly higher than those from G1 on days 1 (28.8 vs 18.0 kJ/kg/meal; p = 0.0002), 5 (28.8 vs 19.2 kJ/kg/meal; p = 0.002) and 10 (25.9 vs 15.5 kJ/kg/meal; p = 0.0004). Daily frequencies of breastfeeding (approximately 5.6), water drinking (approximately 3.7) and meals with foods other than experimental gruels were relatively high and did not vary with the duration of the habituation period or the type of gruels. Whatever the type of gruel, the increase in the duration of the habituation period did not increase the amount consumed or energy intakes. The study confirmed that consumption of high energy density gruels led to a 60% increase in energy intakes in comparison with the consumption of low energy density gruels.  相似文献   

11.
Environmental changes have facilitated the rapid increase in childhood obesity. One such change is increased presence of food marketing which promotes intake of high-fat, energy-dense foods. This study tested the hypotheses that overweight (OW) children are more sensitive to the intake-enhancing effects of food branding than non-OW children, and that the relationship between weight status and intake of branded foods is mediated by level of food brand awareness. Forty-three non-OW (n = 23) and OW (n = 20) children from diverse ethnic backgrounds participated in four dinnertime visits to test their intake of meals where food brands were present (“branded”) or absent (“unbranded”). Food brand awareness was assessed by testing children's abilities to match food brand logos with correct foods and name specific brands from recall. Weight and height were measured on the first visit to determine BMI z-score and weight status. OW children consumed significantly more energy per meal than non-OW. Child age and brand awareness were positively associated. OW children consumed an additional 40 kcal in branded vs. unbranded meals whereas non-OW children consumed 45 kcal less in branded meals. Overweight children showed greater responsiveness to food branding, and they may be at risk in environments that are highly inundated with messages about food.  相似文献   

12.
We assessed the adequacy of nutrient intakes of 135 rural Bangladeshi breast-fed infants 6-12 mo of age and examined nutritional trade-offs due to possible displacement of breast milk by complementary foods. Observers completed 12-h daytime measurements of breast milk and complementary food intakes; data for the previous 12 h were obtained from maternal recall, yielding estimates of total 24-h intakes. On average, infants were mildly wasted (mean +/- SD weight-for-length Z-score = -0.92 +/- 0.88) and moderately stunted (length-for-age Z-score = -1.49 +/- 0.96). Total energy intakes at 6-8 and 9-12 mo were 88 and 86% of absolute energy requirements (kJ/d), 106 and 105% of requirements per kg body weight, and 97 and 94% of requirements per kg median weight-for-length, respectively. Breast milk contributed 78% of energy intake at 6-8 mo and 75% at 9-12 mo. Mean meal frequency and energy density of complementary foods were generally consistent with recommendations, but only small amounts of food were offered. Nevertheless, only 72% of the food energy offered was consumed. Total energy intake was positively correlated with meal frequency, quantity consumed per meal, and energy intake from breast milk, but not with energy density of complementary foods. Energy intake from complementary foods was inversely related to energy intake from breast milk. The diets fell short of recommended intakes for numerous vitamins and minerals. We conclude that although greater intakes of complementary foods were associated with higher total energy intake, micronutrient intake remained low due to the low micronutrient density of the complementary foods consumed and the partial displacement of breast milk.  相似文献   

13.
BACKGROUND: Portion size influences children's energy intakes at meals, but effects on daily intake are unknown. OBJECTIVE: Effects of large portions on daily energy intake were tested in 5-y-old Hispanic and African American children from low-income families. Maternal food intake data were collected to evaluate familial susceptibility to portion size. DESIGN: A within-subjects experimental design with reference and large portion sizes was used in a study of 59 low-income Hispanic and African American preschool-aged children and their mothers. The portion size of 3 entrées (lunch, dinner, and breakfast) and an afternoon snack served during a 24-h period were of a reference size in one condition and doubled in the other condition. Portion sizes of other foods and beverages did not vary across conditions. Weighed food intake, anthropometric measures, and self-reported data were obtained. RESULTS: Doubling the portion size of several entrées and a snack served during a 24-h period increased energy intake from those foods by 23% (180 kcal) among children (P < 0.0001) and by 21% (270 kcal) among mothers (P < 0.0001). Child and maternal energy intakes from other foods for which portion size was not altered did not differ across conditions. Consequently, total energy intakes in the large-portion condition were 12% (P < 0.001) and 6% (P < 0.01) higher in children and mothers, respectively, than in the reference condition. Child and maternal intakes of the portion-manipulated foods were not correlated. CONCLUSIONS: Large portions may contribute to obesigenic dietary environments by promoting excess daily intakes among Hispanic and African American children.  相似文献   

14.
Mrdjenovic G  Levitsky DA 《Appetite》2005,44(3):273-282
Total daily food intake of 16 preschool children 4-6 years of age were collected from 5 to 7 consecutive days. The most powerful determinant of the amount of food consumed at meals was amount served (r=0.77, P<0.0001). Although intake at meals (snacks were considered a meals) was significantly negatively correlated with the amount and energy intake at the previous meal (r=-0.27, P=0.0001), the amount served was also negatively correlated with the amount served at the previous meal (P<0.02). Children did not adjust the amount consumed in response to the energy density of the meal resulting in an energy intake that was directly related to the energy density of the meals (P<0.0001). In addition, intake at meals was not depressed by energy consumed as snacks between meals. The present results indicate that eating behavior of children is similar to adults in that they display very poor regulation of energy intake and are responsive to environmental stimuli. The conclusion from this study is that both the cause of overweight in children, as well as its prevention, may lie in the hands of the caregiver.  相似文献   

15.
BACKGROUND: Competitive foods/beverages are those in school vending machines, school stores, snack bars, special sales, and items sold à la carte in the school cafeteria that compete with United States Department of Agriculture (USDA) meal program offerings. Grouping à la carte items with less nutritious items allowed in less regulated venues may obfuscate analysis of the school competitive food environment. Excluding à la carte items from competitive foods, the objectives were to: (1) assess competitive food use by gender, ethnicity, eligibility for free or reduced-price meals, and participation in school meals programs, (2) determine differences between grade levels in energy intakes obtained from food sources, (3) determine the nutrient intake derived from competitive foods for students who consumed them, and (4) determine energy-adjusted differences in 24-hour nutrient intakes of protein, calcium, iron, and other selected nutrients between competitive food consumer and nonconsumers. METHODS: Competitive foods/beverages use, excluding à la carte items, was examined using the third School Nutrition Dietary Assessment Study (SNDA III), a nationally representative sample of 2309 schoolchildren in grades 1 to 12. Mean nutrient intakes were adjusted for energy intake and other covariates, and differences between consumers and nonconsumers of competitive items were determined using analysis of variance and sudaan . RESULTS: Excluding à la carte items, 22% of schoolchildren consumed competitive items in a representative school day and use was highest in high school. Consumers of competitive items other than à la carte had significantly higher mean energy, sugar intakes, and lower sodium, dietary fiber, B vitamins, and iron intakes than nonconsumers. CONCLUSIONS: Use of competitive foods/beverages, excluding à la carte, was detrimental to children's diet quality.  相似文献   

16.
Adolescence is a time in life when lifestyle behaviours are acquired. One indicator of poor diet quality is the intake of foods and beverages with a relatively low nutritional value. Using the Australian classification of such foods, termed “discretionary”, we classified the intakes of Swedish adolescents who participated in the Riksmaten Adolescent 2016–17 national dietary survey. From selected schools, 3099 adolescents in age groups 11–12, 14–15 and 17–18 years provided two 24-h recalls. Intakes and healthy dietary scores were calculated. Plasma ferritin, folate and 25(OH)D were available for a third. Almost 40% of total energy came from discretionary foods/beverages. Adolescents with higher intakes were more likely to be female, older, from a low socioeconomic position-household and born in Sweden. Most discretionary foods/beverages were consumed on weekend days and during in-between meals, outside of the home and at school. Percent energy from discretionary intake was associated with healthy dietary scores but not nutritional status. A substantial amount of energy was obtained from discretionary foods/beverages, and we found that consumption is pervasive across sociodemographic factors, time and place. Addressing this pattern will require a comprehensive approach to food environments and behaviours to reach all adolescents in an equitable manner.  相似文献   

17.
Background New school meal standards are currently being phased in by the government in an attempt to improve the nutritional composition of school food. However, no standards are applied to packed lunches. The present study aimed to compare the food and nutrient intakes of primary school children eating a school meal with those taking a packed lunch. Methods A sample of 120 children, aged 6–11 years, was observed once at a lunch time and all items consumed were recorded. Nutrient analysis was performed, and differences in nutrient intake between those children consuming packed lunches and school meals were determined. Results Mean energy and protein intakes were similar. The amount of energy provided by starchy carbohydrate was also similar but, compared with school meals, packed lunches provided twice as much energy from sugar (P < 0.001). School meals on average provided more energy from fat (P < 0.001), but intakes of saturated fat were lower in the school meals group (P = 0.021). Packed lunches provided more sodium (P < 0.001), calcium (P < 0.001) and iron (P = 0.016) than the school meals. Very few packed lunches contained vegetables, and fruit intake was particularly low for those having a school meal. Conclusions Children taking a packed lunch to school were consuming approximately double the amount of sugar and 50% more sodium and saturated fat in their midday meal compared with those having a school lunch. However packed lunches were providing children with more calcium, iron and fruit.  相似文献   

18.
This study examined the contribution of food to nutrient intake, meal and dietary patterns among children aged 4–8 and 9–13 years in the city of Ibadan, Nigeria. Multi-pass 24-hour dietary recalls were used to assess intakes. Prudent and traditional Southwestern Nigerian dietary patterns were identified among children. The top foods and beverages were defined by frequency and amount consumed. Meal patterns were described by the eating occasions, while cluster analysis probed dietary patterns. About 88% of children had at least three meals including breakfast (95%), lunch (85%), dinner (92%) and midmorning meals (48%), while about 60% ate snacks at least once daily. Sources of energy and key nutrients were limited (yam, cassava, rice, maize, bread and beans/peas/legumes). The amount consumed per consumer of cassava products (192.2, 256.0 g), yam (169.7, 256.0 g), legumes (115.3, 150.7 g), corn/maize (160.4, 195.2), and rice (138.4, 182.3 g) were high, while beef (15.2, 17.9 g), eggs (50.6, 49.2 g), fish (27.5, 30.6 g), milk (24.2, 27.0 g) and nuts and seeds (18.2, 19.7 g) were low for children ages 4–8 and 9–13 years, respectively. In conclusion, while the frequency of meals suggests a healthy pattern, the top foods could not provide adequate nutrient (especially micronutrient) intake, which is key to the development of the target population.  相似文献   

19.
To compare the food, energy, macronutrient and micronutrient intake of patients with gallstones to those of a control group of similar demographic characteristics.

Patient-control study.

54 gallstone patients and 46 control subjects.

Two 24-hour dietary recalls and a “food frequency intake” questionnaire were obtained from patients and controls. In both groups, the presence/absence of gallstones was confirmed by ultrasonography. Participants answered a questionnaire on their physical activity patterns.

Gallstone patients consumed less food per day (g/day) and less fish and fruits than did control subjects. They also showed greater intakes of cereals, oils, sugars and meats than did control subjects and ate fewer meals per day, tending to omit evening snacks and more substantial evening meals. Further, patients spent less time walking and slept more than did control subjects. They also experienced fluctuations in body weight with greater frequency. Patients consumed more total calories (energy) and fats (especially monounsaturated fatty acids and saturated fatty acids), and less fiber, folate and magnesium than did control subjects. Women with gallstones were shown to have significantly higher intakes of total fats, monounsaturated fatty acids, saturated fatty acids and cholesterol, and significantly lower intakes of fiber, folate, magnesium, calcium and vitamin C than control women. For all vitamins and minerals studied, patients showed a greater percentage of intakes below those recommended.

Dietary intervention might provide a method of avoiding the recurrence of gallstones as well as a method of prevention control subjects.  相似文献   

20.
OBJECTIVE: To measure the types and quantities of energy-dense, nutrient-poor 'extra' foods consumed by Australian children and adolescents and their contribution to total energy and nutrient intakes. DESIGN, SETTING AND SUBJECTS: We used data from 3007 children, aged 2-18 years, who participated in the nationally representative 1995 National Nutrition Survey. Intake was determined by 24-h recall and 'extra' foods were defined using principles outlined in the Australian Guide to Healthy Eating (AGHE) and by applying cut points for maximum amounts of fat and sugar within each food category. RESULTS: All children (99.8%) consumed at least one 'extra' food and the most commonly consumed were margarine, sugar-sweetened soft drinks, cordials and sugar. 'Extra' foods contributed 41% of daily energy intake. Those foods contributing most to energy intake were fried potatoes (4.2%), sugar-sweetened soft drinks (3.3%), ice cream/ice confection (3.1%) and cordials (2.7%). Age and sex were important determinants of 'extra' food intake, with males and older children generally consuming more and different types of, 'extra' foods than females and younger children. 'Extra' foods contributed 19% protein, 47% total fat, 47% saturated fat, 54% sugar, and approximately 20-25% of selected micronutrients to the diet. Calcium and zinc intakes from core foods were below 70% of the recommended dietary intakes for adolescent girls. CONCLUSIONS: 'Extra' foods are over-consumed at two to four times the recommended limits and contribute excessively to the energy, fat and sugar intakes of Australian children, while providing relatively few micronutrients. This is of concern in terms of children's weight and nutrient status.  相似文献   

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