scholarly journals Evaluation of the nutrient content of yogurts: a comprehensive survey of yogurt products in the major UK supermarkets

BMJ Open ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. e021387 ◽  
Author(s):  
J Bernadette Moore ◽  
Annabelle Horti ◽  
Barbara A Fielding

ObjectivesTo comprehensively survey the sugar and nutrient contents of yogurt products available in UK supermarkets, in particular those marketed to children.DesignA cross-sectional survey of yogurt products available in the UK’s supermarkets in November 2016.MethodsData were collected from five major online UK supermarkets and a process flow strategy was used to place yogurts into eight categories: children’s, dairy alternatives, dessert, drinks, fruit, flavoured, natural/Greek style and organic. A comprehensive database of product information for 921 unique products was created and analysed.ResultsThe total sugar, fat, protein, calcium and energy contents were highly variable across categories, and the ranges were extremely broad. Although lower than the dessert category, the medians (range) of the total sugar content of children’s (10.8 g/100 g (4.8–14.5)), fruit (11.9 g/100 g (4.6–21.3)), flavoured (12.0 g/100 g (0.1–18.8)) and organic (13.1 g/100 g (3.8–16.9)) yogurt products were all well above 10 g/100 g, and represented >45% of total energy. Only two out of 101 children’s yogurt and fromage frais products surveyed qualified as low sugar (≤5 g/100 g). Natural/Greek yogurts had dramatically lower sugar contents (5.0 g/100 g (1.6, 9.5), largely lactose) than all other categories. While low-fat (<3 g/100 g) products had less sugar and energy than higher fat yogurts, nonetheless 55% (285 of 518 low-fat yogurts) contained between 10 and 20 g sugar/100 g. Within the children’s category, fromage frais had higher protein (5.3 g/100 g (3.3, 8.6) vs 3.2 (2.8, 7.1); p<0.0001) and calcium contents (150 mg/100 g (90, 240) vs 130.5 mg/100 g (114, 258); p=0.0015) than yogurts.ConclusionsWhile there is good evidence that yogurt can be beneficial to health, products on the market vary widely in total sugars. Fewer than 9%, and only 2% of the children’s, products surveyed were low enough in sugar to earn ‘green’ in UK front of the pack labelling. Reformulation for the reduction of free sugars in yogurts is warranted.

Nutrients ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 171 ◽  
Author(s):  
J. Bernadette Moore ◽  
Eiméar H. Sutton ◽  
Neil Hancock

The UK government has called for industry reformulation of foods that contribute most to sugar consumption in children’s diets, including yogurts. The aim of this work was to comprehensively survey yogurt products available in UK supermarkets in 2019 to determine whether sugar contents had been reduced since our baseline survey in 2016. Product information was collected for 893 unique yogurt, fromage frais and dairy dessert products, and nutrient contents were analysed in comparison to those previously examined. Examining all products, there was a highly significant (p < 0.0001) reduction in the median total sugar contents in 2019 compared to those in 2016: median (interquartile range): 10.4 g/100 g (6.6, 13.0) versus 11.9 g/100 (8.8, 13.6). However, notable product turnover was evident; while 60% of the 2019 products surveyed could be matched by brand and name to 2016, 40% were new. In scrutinising paired products closely, only 32% (173 of 539) had reduced sugar contents with a smaller mean difference of −0.65 g/100 g (p < 0.0001), suggesting that the overall median had dropped as a result of higher sugar products being discontinued. Categories showing the most improvements were children’s, drinks and fruit yogurts. Although only 15% of the 2019 products contained ≤5 g/100 g sugars, considered a ‘low-sugar’ product for labelling, this was an improvement over the 9% identified in 2016. Our results yield important insights into current market trends and demonstrate that the median sugar content of UK yogurt products has been reduced by 13% in two years. These data independently evidence modest, but encouraging changes in response to public policy initiatives aimed at preventing childhood obesity.


1993 ◽  
Vol 1 (2) ◽  
pp. 99-108 ◽  
Author(s):  
P. Robert ◽  
M.F. Devaux ◽  
A. Qannari ◽  
M. Safar

Multivariate data treatments were applied to mid and near infrared spectra of glucose, fructose and sucrose solutions in order to specify near infrared frequencies that characterise each carbohydrate. As a first step, the mid and near infrared regions were separately studied by performing Principal Component Analyses. While glucose, fructose and sucrose could be clearly identified on the similarity maps derived from the mid infrared spectra, only the total sugar content of the solutions was observed when using the near infrared region. Characteristic wavelengths of the total sugar content were found at 2118, 2270 and 2324 nm. In a second step, the mid and near infrared regions were jointly studied by a Canonical Correlation Analysis. As the assignments of frequencies are generally well known in the mid infrared region, it should be useful to study the relationships between the two infrared regions. Thus, the canonical patterns obtained from the near infrared spectra revealed wavelengths that characterised each carbohydrate. The OH and CH combination bands were observed at: 2088 and 2332 nm for glucose, 2134 and 2252 nm for fructose, 2058 and 2278 nm for sucrose. Although a precise assignment of the near infrared bands to chemical groups within the molecules was not possible, the present work showed that near infrared spectra of carbohydrates presented specific features.


2013 ◽  
Vol 25 (16) ◽  
pp. 9421-9422 ◽  
Author(s):  
G. Peng ◽  
E.V. Davis ◽  
L.X. Wang ◽  
C.W. Zhang

2014 ◽  
Vol 57 (4) ◽  
pp. 507-521 ◽  
Author(s):  
Joanna Ostrzycka ◽  
Marcin Horbowicz ◽  
Włodzimierz Dobrzański ◽  
Leszek S. Jankiewicz ◽  
Jan Borkowski

Tomatillo is widely cultivated in Mexico but is little known in other countries. The chemical composition of fruit from field grown plants was investigated during several vegetative seasons. Tomatillo contained a relatively high percentage of dry matter (7-10%) and extract (6.6-7.4%). Its potassium content was lower than that of tomato growing in the same conditions. The content of iron was higher, and that of other elements was comparable, depending on the conditions during the given year. The total sugar content amounted to 2.8-5.7%, depending on the selected population. The percentage of glucose and fructose decreased during ripening and that of saccharose increased. The content of pectic substances was similar as in tomato but the proportions of particular fractions was different. Tomatillo contained more acids than tomato, and showed an especially high citric and malic acid content. The latter decreased drastically during ripening. The content of oxalic acid was 11-18 mg 100 g<sup>-1</sup> in ripe fruit and up to 54 mg in unripe. The vitamin C content depended on the selected population and amounted to 8-21 mg 100 g<sup>-1</sup>, dehydroascorbic acid prevailing. The content of vitamin PP was 0.8-1.3 mg 100 g<sup>-1</sup>.


2018 ◽  
Vol 11 (7) ◽  
pp. 1986-1993 ◽  
Author(s):  
André Machado Rech ◽  
Fábio Henrique Weiler ◽  
Marco Flôres Ferrão

Nutrients ◽  
2019 ◽  
Vol 11 (6) ◽  
pp. 1216 ◽  
Author(s):  
Roberta Alessandrini ◽  
Feng J. He ◽  
Kawther M. Hashem ◽  
Monique Tan ◽  
Graham A. MacGregor

Cakes and biscuits contribute to energy, total and saturated fat and sugar in British diets. So far, the UK government has prompted manufacturers to reduce energy density in these products through a reduction of their sugar content. We conducted a cross-sectional survey of the fat content of cakes and biscuits available in nine UK supermarket chains. In cakes (n = 381), the mean total fat content was 17.9 ± 5.2 g/100 g (39% of the overall energy); range (1.4–35.6 g/100 g) and the average saturated fat content in cakes was 5.9 ± 3.4 g/100 g (13% of the overall energy); range (0.3–20 g/100 g). In biscuits (n = 481), the mean total fat content was 21.8 g ± 6.3 g/100 g (40% of the overall energy); range (0.7–38.9 g/100 g) and the average saturated fat content was 11.4 ± 4.9 g/100 g (23% of the overall energy); range (0.3–22.3 g/100 g). In both cakes and biscuits, total and saturated fat content was positively correlated with energy density. Our results show that cakes and biscuits sold in UK supermarkets are high in total and saturated fat, and that fat content contributes substantially to product energy density. Fat reformulation in these products would effectively reduce energy density, calorie intake and help prevent obesity. Fat reformulation should be implemented simultaneously with sugar reformulation and be focused on saturated fat, as this will have the additional effect of lowering LDL cholesterol.


2020 ◽  
Vol 4 (Supplement_2) ◽  
pp. 713-713
Author(s):  
Christie Kirchoff ◽  
Elizabeth Goico ◽  
Cristina Palacios

Abstract Objectives The college food environment plays an integral role in student dietary intake during the formative transition from adolescence to adulthood. During this time, students experience profound changes to their level of responsibility and autonomy while also establishing lifelong habits. These changes are of concern because obesity and chronic disease are the long term health consequences of poor patterns of eating, and yet research on this topic is sparse. This study aims to uncover the pattern of snack consumption and its influence on selecting healthier versions of snacks at a large Hispanic serving university in South Florida. Methods A cross-sectional survey was used to elicit self-reported snacking practices of college students via a web-based Qualtrics survey in the Spring of 2019. Statistical analysis using SPSS 25 included descriptive statistics and bivariate analysis performed to examine the frequency and percentages for dependent and independent variables. Logistic regression was run to determine the influence of the frequency and amount of unhealthy snack food consumption and choosing low-fat options. Results Of the 483 respondents (24% males), 93.4% reported consuming unhealthy snack foods at least once a week. Additionally, the pattern of snack consumption was 72% (383) chips and salty snacks, 65% (316) cookies, 64% (307) chocolate bars, and 58% (281) candies. The results also indicated that those who consumed unhealthy snacks more frequently were 1.85 times more likely to choose low-fat options than those who rarely consumed unhealthy snacks (AOR = 1.85, CI (1.04 – 3.30)). Conclusions These findings suggest that students are seeking healthier options even when snacking. As a responsible institution, the university can implement a snack policy that promotes a healthy diet and is in line with what students are seeking by offering more low-fat options. Funding Sources None.


1968 ◽  
Vol 23 (5) ◽  
pp. 671-675 ◽  
Author(s):  
G. Drews

The thylakoids (chromatophores) of the sulfur-free purple bacteria Rhodospirillum rubrum contain 30% lipids soluble in methanol-chloroform, 46% protein, and 14% carbohydrates. 90% of the total sugar content was glucose, 4% fucose, 5% rhamnose. In the thylakoids of Rhodopseudomonas viridis 3,3% sugar was demonstrable (50% glucose, 17% galactose, 15% rhamnose and 17% mannose). 2-keto-3-desoxy-octonate is a structure component in both organisms. After treatment of thylakoids with phenol/water, the main sugar fraction was in the water phase, although in both organisms 3 to 4% of the protein fraction in the phenol phase consists of sugar.


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