Branded Foods Databases as a Tool to Support Nutrition Research and Monitoring of the Food Supply: Insights From the Slovenian Composition and Labeling Information System

Branded foods databases are becoming very valuable not only in nutrition research but also for clinical practice, policymakers, businesses, and general population. In contrast to generic foods, branded foods are marked by rapid changes in the food supply because of reformulations, the introduction of new foods, and the removal of existing ones from the market. Also, different branded foods are available in different countries. This not only complicates the compilation of branded foods datasets but also causes such datasets to become out of date quickly. In this review, we present different approaches to the compilation of branded foods datasets, describe the history and progress of building and updating such datasets in Slovenia, and present data to support nutrition research and monitoring of the food supply. Manufacturers are key sources of information for the compilation of branded foods databases, most commonly through food labels. In Slovenia, the branded food dataset is compiled using standard food monitoring studies conducted at all major retailers. Cross-sectional studies are conducted every few years, in which the food labels of all available branded foods are photographed. Studies are conducted using the Composition and Labeling Information System (CLAS) infrastructure, composed of a smartphone application for data collection and online data extraction and management tool. We reviewed various uses of branded foods datasets. Datasets can be used to assess the nutritional composition of food in the food supply (i.e., salt, sugar content), the use of specific ingredients, for example, food additives, for nutrient profiling, and assessment of marketing techniques on food labels. Such datasets are also valuable for other studies, for example, assessing nutrient intakes in dietary surveys. Additional approaches are also being tested to keep datasets updated between food monitoring studies. A promising approach is the exploitation of crowdsourcing through the mobile application VešKajJeš, which was launched in Slovenia to support consumers in making healthier dietary choices.

Who really counts in Iran’s National Food Assistance Program? Lessons from multi-stakeholder processes in the wicked policy area of food security

Multi-stakeholder processes - as a necessary part in the development of public policies - can provide diverse perspectives to inform and to improve food security policy-making. Iran’s National Food Assistance Program (NFAP) is one of the major welfare programs in Iran that reduces food insecutiry to low-income households. This study aimed to identify and to categorize actual and potential stakeholders in NFAP using the stakeholder salience model. According to Mitchell’s theory, stakeholders’ attributes (power, legitimacy, and urgency) were assessed based on the nature of their interactions, roles, and level of engagement. Results revealed a number of significant but marginalized stakeholders, including Iranian Ministry of Health (office of community nutrition improvement), academia, center for food and nutrition research, target group, charities, and international organizations, who have not received any targeted organizational attention and priority to their claims. The unbalanced attention provided to some stakeholder groups characterized as “definitive” and “dominant” and ignoring some important ones will jeopardize long-term viability and undermine support for the program with inevitable declines in legitimacy. Understanding the change in the stakeholders’ characteristics is the main variable to determine the allocation of organizational resources in response to different and rising stakeholders’ demands and possibly the projects outcomes. This will facilitate and enhance the possibility of knowledge exchange and learning, and greater trust among stakeholders during the food and nutrition policy-making process.

Do Certain Flavonoid IMPS Have a Vital Function?

Flavonoids are a vast group of metabolites that are essential for vascular plant physiology and, thus, occur ubiquitously in plant-based/-derived foods. The solitary designation of thousands of known flavonoids hides the fact that their metabolomes are structurally highly diverse, consist of disparate subgroups, yet undergo a certain degree of metabolic interconversion. Unsurprisingly, flavonoids have been an important theme in nutrition research. Already in the 1930s, it was discovered that the ability of synthetic Vitamin C to treat scurvy was inferior to that of plant extracts containing Vitamin C. Subsequent experimental evidence led to the proposal of Vitamin P (permeability) as an essential phytochemical nutrient. However, attempts to isolate and characterize Vitamin P gave confusing and sometimes irreproducible results, which today can be interpreted as rooted in the unrecognized (residual) complexity of the intervention materials. Over the years, primarily flavonoids (and some coumarins) were known as having Vitamin P-like activity. More recently, in a NAPRALERT meta-analysis, essentially all of these Vitamin P candidates were identified as IMPs (Invalid/Improbable/Interfering Metabolic Panaceas). While the historic inability to define a single compound and specific mode of action led to general skepticism about the Vitamin P proposition for “bioflavonoids,” the more logical conclusion is that several abundant and metabolically labile plant constituents fill this essential role in human nutrition at the interface of vitamins, cofactors, and micronutrients. Reviewing 100+ years of the multilingual Vitamin P and C literature provides the rationales for this conclusion and new perspectives for future research.

The Leptin System and Diet: A Mini Review of the Current Evidence

Leptin promotes satiety and modulates energy balance and weight. Diet-induced obesity leads to leptin resistance, exacerbating overeating. We reviewed the literature on the relationship between diet and leptin, which suggests that addressing leptin resistance through dietary interventions can contribute counteracting obesity. Albeit some limitations (e.g., limited rigor, small samples sizes), studies in animals and humans show that diets high in fat, carbohydrates, fructose, and sucrose, and low in protein are drivers of leptin resistance. Despite methodological heterogeneity pertaining to this body of literature, experimental studies show that energy-restricted diets can reduce leptinemia both in the short and long term and potentially reverse leptin resistance in humans. We also discuss limitations of this evidence, future lines of research, and implications for clinical and public health translations. Main limitations include the lack of a single universally-accepted definition of leptin resistance, and of adequate ways to accurately measure it in humans. The use of leptin sensitizers (drugs) and genetically individualized diets are alternatives against leptin resistance that should be further researched in humans. The tested very-low-energy intervention diets are challenging to translate into wide clinical or population recommendations. In conclusion, the link between nutritional components and leptin resistance, as well as research indicating that this condition is reversible, emphasizes the potential of diet to recover sensitivity to this hormone. A harmonized definition of leptin resistance, reliable methods to measure it, and large-scale, translational, clinical, and precision nutrition research involving rigorous methods are needed to benefit populations through these approaches.

Relationship between maternal characteristics and stunting in children aged 0 to 23 months in the Philippines

Introduction: Stunting is the most prevalent form of child malnutrition worldwide, and is the best overall indicator of growth. This study aimed to determine the relationship between maternal characteristics and nutritional status of children aged 0-23 months based on their length/height-for-age. Method: The study used data from the 2015 Updating Survey conducted by the Philippines’ Food and Nutrition Research Institute – Department of Science and Technology. It employed a stratified multi-stage sampling technique covering all regions in the Philippines. Mothers (n=5,254) of sampled children 0-23 months were the respondents of the Maternal Health and Nutrition survey. The length-for-age z-scores (LAZ) of children and maternal characteristics were analysed. Rao-Scott Chi-square test was used for association analysis. Logistic regression was performed for model fitting. Results: A quarter (25.2%) of children aged 0-23 months in the Philippines at the time of the survey were stunted, with the highest prevalence (36.2%) observed among 12-23 months. Children being stunted or normal in height was associated with prenatal services, maternal nutritional status, education, and duration of lactation. Maternal education (OR: 0.39; p=0.012), age-appropriate breastfeeding (OR: 0.63; p=0.042), and prenatal services like tetanus toxoid vaccination (OR: 0.67; p=0.011) and ultrasound (OR: 0.71; p=0.025) lowered the likelihood of a child being stunted. Conclusion: It is recommended to strengthen and intensify service delivery among pregnant and lactating women because of the implication of maternal factors to the length-for-age status of children 0-23 months.