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14 May 2015
2 min read
Fermentation benefits

The benefits of yogurt and probiotics in dietary guidelines

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Research of dietary guidelines of several countries outside the EU showed that, in general, the consumption of yogurt is advocated. But specific recommendations on probiotics are rather rare, despite the many health effects of probiotics documented in the literature, while nutritional benefits of probiotics and fermented foods like yogurt are recognized in varying degrees in EU dietary guidelines.

Probiotics and fermented milks benefit human health because they are easy digestible, provide live microorganisms and have a long history of safe use. Many products use the ‘probiotic’ label, but do not always meet the minimum criteria. In order to communicate health claims, it is crucial to identify these bacteria and define well their health effects. The term ‘probiotics’ is distracted from the Greek word ‘pro bios’, which means ‘for life’. Probiotics are in general defined as live microorganisms which benefit the health of the host when administered in adequate amounts. Various Lactobacillus and Bifidobacterium species have been examined, and certain strains of Saccharomyces, Enterococcus, Lactococcus, Propionibacterium and Streptococcus types are considered to be microorganisms with probiotic properties. In the EU the Qualified Presumption of Safety-list compiles microorganisms, as well as the International Dairy Federation who lists 264 species mainly used in dairy products.

Nutritional recommendations inside and outside the EU

Nutritional recommendations are different for each country, as the nutrient intake and the priority in selection of nutrients depend on food availability and preferences. The main food groups do not significantly differ between EU member states, but the recommended amounts and food types in the group do vary. There are no harmonized EU guidelines, due to a lack of representative consumption data. EU countries in general promote yogurt as a part of a healthy lifestyle, but only five countries mentioned specifically the benefits of the live bacteria. Remarkably, none of the countries included yogurt as an alternative for lactose intolerance, as it contains less lactose and supports the digestions of lactose through bacteria. Research of dietary guidelines of responsible organizations outside the EU assessed any statement on probiotic yogurt. They mainly focus on milk products in general and their benefits for calcium and vitamins intakes which improves bone health. A deeper analysis of probiotics health benefits is necessary to develop evidence-based clinical and dietary guidelines.

Source: Ebner S. et al. World Journal of Gastroenterology, Volume 20 (43), November 2014, pages 16095-16100
13 May 2015
2 min read
Cardiovascular health

Yogurt improves healthy eating and cardio-metabolic risk profile

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Yogurt consumption significantly contributes to the Prudent dietary pattern with lower fat and cholesterol intakes, and is therefore positively associated with healthy eating habits. Overweight and obese individuals develop a more beneficial cardio-metabolic risk profile and show less influence of anthropometric indicators while consuming yogurt.

A new publication in the European Journal of Nutrition examined to which extent yogurt intake is associated with healthy dietary patterns and a better cardio-metabolic risk profile. 664 healthy participants with different BMI rankings from the INFOGENE study were surveyed on their diet habits with a 91-item FFQ, including yogurt. The results of the analysis were classified as Prudent or Western dietary patterns. More fruit, vegetables, whole grains, milk products, poultry and fish are consumed in a Prudent diet, whereas a Western regime consists of a higher intake of red meat, high sugar snacks, refined grains and saturated fats.

Benefits of yogurt consumption in the Prudent diet

In opposite of the non-consumers, consumers of yogurt showed a higher mean score in the Prudent diet and were associated with lower body weight, waist-to-hip ratio, waist circumference, BMI and lower levels of fasting total cholesterol and insulin.

Overweight and obese individuals with similar BMI score exhibited a more favorable cardio-metabolic risk profile with lower levels of plasma triglyceride and insulin when they consumed yogurt compared to those who did not. They determined no difference in total yogurt consumption across all BMI rankings, only the type of daily yogurt intake varied: normal-weight subjects consumed more high-fat yogurt and less fat-free servings compared to overweight and obese consumers.

Source: Cormier H et al. Eur J Nutr. 2015 Mar 15. [Epub ahead of print]
13 May 2015
4 min read
Expert interviews

Interview behind the scenes: Hubert Cormier, RD, Canada

Hubert Cormier
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Hubert Cormier is a registered dietitian from Canada and he’s currently enrolled in a doctoral program that he pursues at the Institute of Nutrition and Functional Foods (INAF). He is also doing several TV or radio interviews or acting as a spokesperson for the food industry or others initiatives related to the field of nutrition. Moreover, he is a best-selling author and very active on social media platforms such as Facebook , Twitter and Instagram.

Your last research, published in the European Journal of Nutrition in 2015, examined whether yogurt intake is associated with a healthy dietary pattern. Do you think that yogurt can drive a better diet quality?

Certainly! As shown by previous studies, yogurt was always associated with a better diet quality. In our study, we had data available from food frequency questionnaires and we have decided to look at dietary patterns. There are two main patterns, namely the Prudent and the Western dietary patterns, which are characterized by the different food groups. Each participant has a score for each pattern and this score reflects how well you adhere or not to each pattern.

First, we have found that yogurt was a contributor to the Prudent dietary pattern along with fruits, vegetables, legumes, nuts, non-hydrogenated fats, fish and other seafood. Then, we observed that consumers of yogurt had a positive Prudent dietary pattern mean score, while the opposite trend was observed in non-consumers of yogurt. Finally, we have found that yogurt consumption may be associated with lower anthropometric indicators such as waist circumference, waist-to-hip ratio in addition to a lower body weight and with a more beneficial cardio-metabolic risk profile in overweight/obese individuals.

You are a best-selling author and your last book, “Not Guilty: Free yourself from your food guilt” is already a success in Canada. According to your experience, can we assume that yogurt is a non-guilty snack? And if so, what are the key drivers?

Couverture_NonCoupable_finaleI do believe that yogurt is a non-guilty snack for sure or at least, is a good substitute to your chocolate cake or chips in the evening! It’s packed with proteins, calcium and other components that make yogurt really interesting such as bioactive peptides, branched-chain amino acids and milk fat. Also, I really love yogurt for its versatility, which I really think is one of the key drivers of yogurt consumption.

You can eat yogurt alone, with fruits, with a layer of caramel sauce, with cookie crumbs, with nuts or even in a more salty way with spices, garlic and Sriracha sauce to came up with the best dip ever!

Adherents of The Paleo Diet exclude all dairy products. What’s Right and Wrong About Eating Like a Caveman? Is yogurt interesting for people who dislike milk?

I’m not really into the Paleo Diet. Though, I do understand that some people are interested in this diet, but I’m pretty sure that you can’t do it for a lifetime, and that is my principal concern about it. As a registered dietitian, I’ll continue to support having good lifestyle habits and a good, varied and balanced diet which where the Paleo Diet often fails by being too strict.

Some of the principles are good whatsoever, but the lack of diversity is sad. I cannot go a day without eating my Greek yogurt parfait or my bean salad as the perfect side dish. Yogurt is interesting even if you dislike milk. If you’re lactose intolerant, you can even eat yogurt for breakfast without having digestive health problems because of the probiotics. Sure, some are more sensible and may experienced gas or bloating, but they can always choose to go with lactose-free products.

11 May 2015
2 min read
Cardiovascular health

How is yogurt consumption related to the risk of Metabolic Syndrome?

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New research in Spain found an inverse association between high, yogurt and fruit combined consumption and the development of Metabolic Syndrome (MetS). Yogurt consumption is also inversely associated with central adiposity, one of the five MetS criteria.

MetS is known as a combination of metabolic abnormalities (low levels of high-density lipoprotein cholesterol, hypertriglyceridemia, high blood pressure, impaired glucose metabolism and central adiposity) that can increase the risk of cardiovascular diseases and type 2 diabetes over time. The incidence of this condition has grown worldwide (around 25%) because of increased obesity and sedentary lifestyles.

A cohort study in Spain with 8,063 participants free of MetS was set up to assess the association between total, whole-fat and low-fat yogurt consumption and the risk of MetS. After 6 years, the follow up conducted 306 incidences of MetS. Frequent yogurt consumption has a non-significant inverse association with MetS.

Mix yogurt and fruit

However, total and whole fat yogurt consumption was significantly associated with a 15% reduced risk of central adiposity (one of the parameters of MetS). More interestingly, yogurt and fruit consumption can protect against the risk of overweight : a combined exposure of high yogurt consumption (more than 7 portions/week) and high fruit consumption (more than 265g/day) is significantly associated with a lower risk of  developing MetS (-39%).

The authors concluded that high consumption of both yogurt and fruit exhibit a significantly lower risk of MetS compared to low consumption.

Source: Carmen Sayón-Orea1 BMC Public Health 2015, 15:170  doi:10.1186/s12889-015-1518-7
05 May 2015
2 min read
Nutri-dense food

How yogurt contributes to nutrient intake at different life stages

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As yogurt has been positively associated with food quality, authors of the British Nutrition Foundation recently published an article in the Nutrition Bulletin on the contribution of yogurt consumption to nutrient intake across the life course. They concluded that yogurt has a small but valuable impact on nutrition intake, particularly for young children.

Yogurt is known as a nutrient dense food within the dairy food group. The aim of this study was to examine yogurt consumption in the UK and consider its contribution to nutrient intakes at different life stages.

The authors used national nutrition survey data of the UK for their analysis. Results unveiled that yogurt makes a small but valuable contribution to nutrient intakes in young children, particularly for vitamin B12 riboflavin, calcium , iodine and phosphorus. As children aged, the contribution of yogurt to micronutrient intake decreased, reflecting the increasing amounts and variety of foods in the diet, but also snacking behaviors.

Look for iodine and calcium

As adolescents go through the final stages of the growing process, they need certain nutrients for normal growth and development. Yogurt has a place in teen’s healthy eating plan because it supplies several key vitamins and minerals. These new data showed that replacing high fat and sugar snacks or desserts by extra low-fat yogurt could improve their low intake of calcium and iodine, which are of concern in some teenage diets in UK.

During adulthood, as intake was higher among women, yogurt makes a greater contribution to their micronutrient intakes compared with men, providing more than 5% of the reference nutrient intakes (RNIs) for phosphorus, iodine, calcium, vitamin B12 and riboflavin.

Source: E. B. Williams et al. Nutrition Bulletin Volume 40, Issue 1, pages 9–32, March 2015
29 Apr 2015
3 min read
by YINI Editorial team
Weight management

Choice of protein-rich foods may have big effects on long-term weight gain

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Making small, consistent changes to the types of protein- and carbohydrate-rich foods we eat may have a big impact on long-term weight gain, according to a new study led by researchers at the Friedman School of Nutrition Science & Policy at Tufts University. The results emphasizes specific protein-rich foods like fish, nuts, and yogurt that prevent weight gain. This study adds to growing new research that counting calories is not the most effective strategy for long-term weight management and prevention.

Based on more than 16 years of follow-up among 120,000 men and women from 3 long-term studies of U.S. health professionals, the authors first found that diets with a high glycemic load (GL) from eating refined grains, starches, and sugars were associated with more weight gain. Next, the authors determined whether changes in GL impacted the relationship between major protein-rich foods and long-term weight gain. They first looked at the relationship between changes in protein foods and weight gain during every four-years of follow-up. Several key results were seen:

  • Increasing intakes of red meat and processed meat were most strongly associated with weight gain.
  • Increasing intakes of yogurt, seafood, skinless chicken, and nuts were most strongly associated with weight lossthe more people ate, the less weight they gained.
  • Increasing other dairy products, including full-fat cheese, whole milk, and low-fat milk, did not significantly relate to either weight gain or weight loss.

According to Jessica Smith, first author, the fat content of dairy products did not seem to be important for weight gain. In fact, when people consumed more low-fat dairy products, they actually increased their consumption of carbohydrates, which may promote weight gain. This suggests that people compensate, over years, the lower level calories in low-fat dairy by increasing their carbohydrates intake.

Combination of foods makes a big difference

The authors also noted several synergistic relationships between changes in protein-rich foods and changes in GL of the diet. For example, increasing servings of foods linked to weight gain, like red meat, and at the same time increasing GL by eating more low quality carbohydrates like white bread, strengthened the foods’ association with weight gain. But decreasing GL by eating, for example, red meat with vegetables, mitigated some of that weight gain.

For fish, nuts, yogurt and other foods associated with weight loss, decreasing GL enhanced their weight loss effect, while increasing GL decreased their weight loss effect. Yogurt and fruits are then such an ideal combination on a daily habit. Notably, although other foods like eggs and cheese were not linked to weight change on average, when servings of these foods were increased in combination with increased GL, they were linked to weight gain. On the other hand, when servings of eggs and cheese were increased in combination with decreased GL, the participants actually lost weight.

These findings suggest we should not only emphasize specific protein-rich foods like fish, nuts, and yogurt to prevent weight gain, but also focus on avoiding refined grains, starches, and sugars in order to maximize the benefits of these healthful protein-rich foods, create new benefits for other foods like eggs and cheese, and reduce the weight gain associated with meats.

Source: Smith JD, Hou T, Ludwig DS, Rimm EB, Willett W, Hu FB and Mozaffarian D. “Changes in intake of protein foods, carbohydrate amount and quality, and long-term weight change: results from 3 prospective cohorts.” The American Journal of Clinical Nutrition 2015;101:1-9. Published online ahead of print April 8, 2015.

28 Apr 2015
1 min read
International conferences Other YINI Symposium

Nutritional recommendations for bone and muscle health, WCO 2015, Milan

René Rizzoli WCO Milan 2015
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This WCO-IOF-ESCEO 2015 Congress*, which was held in Milan, from March 26 to March 29 is the largest event worldwide, fully dedicated to the clinical and economic aspects of osteoporosis, osteoarthritis and musculoskeletal diseases and gathers more than 3500 delegates. As Western diet permeates more of the globe and the population continues to grow, it is meaningful to study the impact of these changes on bone health as diet is one of the few major modifiable factors which in turn affects healthcare costs. Calcium, vitamin D, and protein intake continued to dominate the discussion. The slideshow thereafter allow the reader to capture the new messages and to analyze the new scientific data presented by Professor Rene Rizzoli, Professor of Medicine at the University Hospital of Geneva, Switzerland, in this field during this YINI’s symposium.

 

 *WORLD CONGRESS ON OSTEOPOROSIS, OSTEOARTHRITIS AND MUSCULOSKELETAL DISEASES MARCH 26-29, 2015 | MILAN ITALY MiCo – Fiera Milano Congressi www.wco-iof-esceo.org
27 Apr 2015
3 min read
Diabetes prevention

Yogurt consumption may reduce risk of diabetes in elderly

Diaz-Lopez Jordi Salas-Salvado
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This study suggests that a high consumption of dairy products, and particularly yogurt, may be protective against type 2 diabetes in elderly individuals at high cardiovascular risk.

The study published by Jordi Salas-Salvado’s team from Universitat Rovira i Virgili, in Spain, confirms the existing results and namely those of the two most recent studies in that field of research. In US,  Chen et al. showed that yogurt consumption was associated with a risk reduction  of type 2 Diabetes of 17%  and in UK, O’Connor et al showed that yogurt consumption was associated with a larger risk reduction of type 2 diabetes of 28%.

A specific effect of yogurt

The specificity of the renowned PREDIMED used in this Spanish study enables authors to explore different approaches in terms of dairy consumption habits during the 4 years of follow-up. The results demonstrated that the risk reduction was maintained in both low-fat (32%) and whole fat (34%) yogurt when they were examined separately.  The increased consumption of total low-fat dairy and total yogurt during the follow-up was also inversely associated with type 2 diabetes risk. Moreover, substituting 1 serving/day of a combination of biscuits/chocolate or whole grain biscuits/homemade pastries for 1 serving/day of yogurt was associated with a 40 and 45% reduction risk, respectively.

More yogurt in Spain

To explain this huge result for yogurt (-40% reduction risk) as compared to previous surveys, the authors hypothesized an association with the specificity of the target population,
highly predisposed to develop type 2 diabetes in a short period of time. Another explanation could be the higher level of yogurt consumption in Spain, as compared to US or UK surveys. Actually, a large distribution of yogurt may give more chance to demonstrate associations between high and low consumers of yogurt.

Potential mechanisms

Multiple mechanisms might mediate the relationship between dairy consumption, yogurt and type 2 diabetes risk. Some components of dairy products as calcium, magnesium, potassium, and vitamin-D have been attributed with having a potential benefit on type 2 diabetes. Other postulated mechanisms include the satiating effect of some dairy proteins and fats, which may help in maintaining a lower energy intake and decreasing weight and obesity risk, an important mediator in type 2 diabetes development. Another potential mechanism is that some dairy proteins are also known to be insulinotropic, contributing to the reduction in type 2 diabetes risk. Furthermore, it should be taken into account that the beneficial metabolic effects on health of fermented dairy, and particularly yogurt, could be explained by the live microorganisms they contain.

A signature of healthy lifestyle

In addition to the direct effects of dairy products, we cannot ignore displacement effects, as individuals who consumed higher amounts of dairy also consumed higher amounts of other foods, such as fruit, vegetables, and lower amounts of total meat, fish, nuts, and alcohol, which might also have an impact on associations observed.

These recent results confirm the value of working on metabolic diseases and the needs to identify the mechanisms of actions that are specific to yogurt.

Source : Andrés D.az‑L.pez et al. Eur J Nutr DOI 10.1007/s00394-015-0855-8
24 Apr 2015
1 min read
EB 2015 Boston Recipes

Corn and peach palm soup by Mauro Fisberg

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Ingredients

Serves: 1

  • 2 containers of plain yogurt
  • 1 cup of yellow corn
  • 2 tablespoons of butter
  • 2 tablespoons of chickpea flour
  • 1 teaspoon of curry
  • ½ cup of cooked cauliflower (al dente)
  • ½ cup of chopped peach palm
  • 1 clove of crushed garlic
  • 1 tablespoon of minced chives
  • 1 tablespoon of laminated almonds
  • Salt to taste

Instructions

  1. Beat the yogurt with the corn until they turn creamy. Sift and reserve.
  2. In a frying pan, heat 1 tablespoon of butter and add the flour, curry and salt. Add the cauliflower and cook for 1 minute. Reserve.
  3. In another pan, melt the remaining butter and sauté the peach palm, adding the garlic and salt.
  4. Finally, heat the corn cream (never boil the yogurt, just heat quickly and under low heat), add the sautéed peach palm, the cauliflower, chives and almonds
The recipes in this leaflet are copyright © by Mauro Fisberg. Used with permission by Editora April SA. All rights reserved.
24 Apr 2015
1 min read
EB 2015 Boston International conferences

Interview with Kajsa Asp Jonson, RD and Journalist

3rd Yogurt Summit Kasja Asp Jonson
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