Nenad Naumovski

University of Canberra · Faculty of Health

The use of food products and functional foods to manage and treat several health conditions is expanding globally. Garlic (Allium sativum) consumption is commonly used for its potential therapeutic functions in numerous cardiometabolic disorders, including hypertension. The proposed blood pressure–reducing effects of garlic after its consumption in...

As a natural sweetener produced by honey bees, honey was recognized as being healthier for consumption than table sugar. Our previous study also indicated thatmetaboliteprofiles in mice fed honey and mixedsugardiets aredifferent. However, it is still noteworthy about the batch-to-batch consistency of the metabolic differences between two diet types...

Dairy products are the most predominant food carriers for probiotics, providing adequate therapeutic and functional benefits to the host when sufficient probiotics are maintained. Bovine milk currently dominates the global probiotic food market, but there is an increasing trend of applying nonbovine milk from other dairy animals as probiotic carrie...

Aims: To evaluate the association between metabolically healthy overweight/obesity (MHO) status and longitudinal cognitive function while also considering the stability of the condition. Methods: In total, 2892 participants (mean age 60.7 (9.4) years) from Framingham Offspring Study completed health assessments every four years since 1971. Neuro...

Obesity is one of the most important factors responsible for the marked increase in both the incidence and prevalence of type 2 diabetes mellitus (T2DM) in recent decades. Addressing the lifestyle factors associated with the progression to T2DM would present a potential rational early prevention strategy. The current evidence suggests that excessiv...

Objectives Access to assistive technologies (ATs) is a human right for people with disabilities, but there are a range of barriers, including lack of adequate information. This review aimed to explore the implications of information asymmetry on the delivery of AT and to investigate if there are effective and equitable ways of providing AT brokerag...

Background: The ingestion of dietary supplements and beverages is prevalent in soccer, at the amateur and professional level. The absence of professional advice at non-professional level makes amateur soccer players susceptible to ingesting unsafe supplements. Objectives: To determine the knowledge, attitudes and practices of ABC Motsepe League...

Sweet potato (Ipomoea batatas) thrives in a wide range of climates and is high in fibre, vitamins and minerals. There is increasing evidence that sweet potato consumption can positively affect human health. This systematic review aimed to summarise nutritional-related health outcomes of sweet potato intake among healthy people and people with chron...

Fruit waste contains several bioactive components such as polyphenols, polysaccharides, and numerous other phytochemicals including pigments. Furthermore, new financial opportunities are created by using fruit ‘leftovers’ as a basis for bioactivities that may serve as new foods or food ingredients, strengthening the circular economy's properties. F...

Honey is proposed to be the oldest natural sweetener and it is a standard component of several dietary patterns. Recent evidence suggests that replacing sugars, such as fructose, with honey has potential health benefits. In this study, we determined the effects of honey supplementation in mice on cardiometabolic and inflammatory markers and changes...

Consumption of amino acids L-arginine (L-Arg) and L-citrulline (L-Cit) are purported to increase nitric oxide (NO) production and improve physical performance. Clinical trials have shown relatively more favorable outcomes than not after supplementing with L-Cit and combined L-Arg and L-Cit. However, in most studies, other active ingredients such as...

The non-proteinous amino acid L-theanine (L-THE) is associated with a range of health benefits including improvements in immune function, cardiovascular outcomes and cognition. The aims of this study were to develop a food product (mango sorbet; ms-L-THE) containing physiologically relevant doses of L-THE (0.2/100 g w/w) and determine its antioxida...

Background & Aims Plant-based diets have recently risen in popularity due to their proposed health benefits. We evaluated the association of plant-based diet quality with non alcoholic fatty liver (NAFL) prevalence and their interaction on risk for developing type 2 diabetes ten years later. Ethods A post-hoc analysis of data collected in the ATTI...

Anthocyanins (ACN’s) are plant polyphenols that have received increased attention recently mainly due to their potential health benefits and applications as a functional food ingredient. This has also created an interest in the development and validation of several non-destructive techniques of ACN assessments in several food samples. Non-destructi...

The prevalence of non-alcoholic fatty liver disease (NAFLD) and its progressive form, non-alcoholic steatohepatitis (NASH), is increasing in parallel with the rising rates of obesity and type 2 diabetes. Approximately one in four adults are diagnosed with liver steatosis globally. NAFLD is associated with insulin resistance, hypertension, obesity,...

Advanced glycation end products (AGEs) are glycated proteins or lipids formed endogenously in the human body or consumed through diet. Ultra-processed foods and some culinary techniques, such as dry cooking methods, represent the main sources and drivers of dietary AGEs. Tissue accumulation of AGEs has been associated with cellular aging and implic...

The pomegranate (Punica granatum L.) fruit peel has been renowned for containing high amounts of bioactive phenolic and flavonoid compounds; however, it has been commonly deemed as an agricultural waste product. The present study comprehensively reviews the impact of pomegranate peel extract as an active addition to different edible packaging mater...

Background: Identifying dietary patterns that promote healthy aging has become increasingly important due to changes in food processing and consumption of processed foods. Recently, the effects of these foods and unhealthy dietary patterns on cognitive function have become more widely recognized. Aim: The aim of this review is to discuss the associ...

Background: While Molnupiravir and Paxlovid have recently been approved for use in some countries, there are no widely available treatments for COVID-19, the disease caused by SARS-CoV-2 infection. Herbal extracts have been used to treat respiratory clinical indications by Ayurvedic medicine practitioners with minimal adverse reactions and intense...

Introduction Venous thromboembolism (VTE) is a common complication of cancer. Pancreatic and gastro-oesophageal cancers are among malignancies that have the highest rates of VTE occurrence. VTE can increase cancer-related morbidity and mortality and disrupt cancer treatment. The risk of VTE can be managed with measures such as using anticoagulant d...

Opuntia is a plant that grows in wild, arid, and semi-arid regions, and it is a renowned food source that is presently undervalued. The chemical composition and properties of the Opuntia genus have attracted research and commercial interest as its species are rich in phytochemicals, nutrients, and bioactive compounds. Several of these constituents...

Limited literature has examined parents’ perceptions of children’s pickiness in relation to all the five core food groups (vegetables, legumes/beans; fruits; dairy and alternatives; meat and alternatives; cereals), which is representative of a nutritionally balanced diet and critical for optimal growth and development in children. This study aimed...

The worldwide prevalence of obesity is increasing along with its comorbidities, including type 2 diabetes mellitus (T2DM). From a pathophysiological perspective, T2DM arises as a consequence of insulin resistance and pancreatic β-cell dysfunction, which together induce chronic hyperglycemia. The pharmacological treatment of T2DM specifically focuse...

The aim of this review was to examine: (1) the ability of cholecystokinin (CCK) or analogues of CCK to influence satiation and changes in body weight generally and (2) the efficacy of CCK in influencing satiation and eating behaviour specifically at physiological levels of dosing. A systematic review of the literature was performed following the PR...

Cardiovascular disease (CVD) and cancers are overall still identified as the two most prevalent non-communicable diseases globally. Their prevention and potential reversal (in particular CVD risk) was seen effective with the modification of dietary intake that was applied in several different populations. Although the findings from epidemiologi...

Background: This narrative review presents the association between metabolic syndrome (MetS), along with its components, and cognition-related disorders, as well as the potential reversal role of diet against cognitive impairment by modulating MetS. Methods: An electronic research in Medline (Pubmed) and Scopus was conducted. Results: MetS and...

Reduced heart rate variability (HRV) is associated with overweight and obesity in adults. However, little is known about this relationship in early childhood. We investigated the relationship between resting vagally-mediated HRV and body mass index (BMI) in Australian preschool children. Children were recruited from 13 non-government early learning...

Objectives Oral mucositis is a debilitating oncology treatment side effect, with honey identified as a viable management option due to established wound-healing abilities. However, effects of saliva on properties attributed to honey’s wound-healing abilities is unknown. Therefore, this study aimed to identify interactions between saliva, and antiox...

Heart rate variability (HRV) measurement provides non-invasive assessment of autonomic stability and cardiometabolic disease risk. Insufficient physical activity in early childhood may contribute to negative cardiometabolic health. The Active Early Learning (AEL) study was a 6-month randomised controlled trial investigating the effects of a physica...

Honey is a supersaturated sugar solution produced from plant nectar, with its composition influenced by geographic and floral origins, and with several properties contributing to its health-related abilities. This study aimed to determine the bioactive composition, antioxidant characteristics, antibacterial activity, and physicochemical properties...

Honey's composition and appearance is largely influenced by floral and geographic origins. Australian honeys are frequently sourced from supermarkets; however, properties associated with consumer preference and likeability remain relatively unknown. The aim of this study was to complete sensory and compositional analyses on a selection of commercia...

Background Hypertension is a major contributor to cardiovascular diseases and premature death. Despite widespread use of antihypertensive medication, it remains a concern, therefore determining factors that contribute to such a high burden of disease is critically important. This study examined anthropometric and physical measurements, as well as b...

Objectives There are a growing number of people aged over 55 years living in retirement communities in Australia. These communities typically consist of accommodation, services and community facilities which cater to older people and the desire to maintain independence. The Nutrition and Healthy Ageing Trajectories in Retirement Living (NutriHAT-RL...

Functional beverages can be a valuable component of the human diet with the ability to not only provide essential hydration but to deliver important bioactive compounds that can contribute to chronic disease treatment and prevention. One area of the functional beverage market that has seen an increase in demand in recent years are beverages that pr...

The increases in consumer awareness of the potential health benefits of green tea have driven global demand for green tea products. This study investigated the effect of post-harvest processing and storage of Japanese-styled green tea (Camellia sinensis var. sinensis) grown in NSW, Australia. Harvested material underwent a processing delay of 6, 12...

The taste and food preferences in children can affect their food intake and body weight. Bitter and sweet taste sensitivities were identified as primary taste contributors to children’s preference for consuming various foods. This pilot study aimed to determine the taste sensitivity and preference for bitter and sweet tastes in a sample of Malaysia...

Modern society is currently (and probably more than ever) immersed in the changing concept of food, seeking the beneficial functions of foods rather than only as a mean to quench hunger and support basic nutritional needs [...]

The chain length of saturated fatty acids may dictate their impact on inflammation and mitochondrial dysfunction, two pivotal players in the pathogenesis of insulin resistance. However, these paradigms have only been investigated in animal models and cell lines so far. Thus, the aim of this study was to compare the effect of palmitic (PA) (16:0) an...

Background: Sustained fuel excess triggers low-grade inflammation that can drive mitochondrial dysfunction, a pivotal defect in the pathogenesis of insulin resistance in skeletal muscle. Objectives: This study aimed to investigate whether inflammation in skeletal muscle can be prevented by EPA, and if this is associated with an improvement in mi...

Novel food packaging techniques are an important area of research to promote food quality and safety. There is a trend towards environmentally sustainable and edible forms of packaging. Edible packaging typically uses sustainable, biodegradable material that is applied as a consumable wrapping or coating around the food, which generates no waste. N...

The search for, and development of beverages that could be a panacea is one which is several millennia old [...]

Lactose intolerance can be the result of, or aggravated by, deficiency of β-galactosidase in the gastrointestinal tract, and is characterised by, e.g., diarrhoea, abdominal pain, bloating, flatulence, and nausea. This review examines the response to lactose-free milk and dairy products and health-related outcomes and consolidates a total of 23 stud...

BACKGROUND: The association between sodium intake and successful aging is not elucidated to date. OBJECTIVE: To evaluate the association between sodium intake and successful aging, in people aged >50 years, living in Greece. METHODS: A cross-sectional study was conducted in middle aged and older adult participants of the ATTICA (n = 1,128) and MEDI...

Objectives: To summarise the evidence from interventions investigating the effects of out of care setting activities on people with dementia living in residential aged care. Design: A systematic review. Methods: A systematic search of electronic databases (PubMed, PsycINFO, Scopus, Web of Science and the Cochrane Library) was performed to iden...

Malnutrition poses a significant problem for oncology patients, resulting in fatalities within this population. Patients with head and neck cancer (HNC) are at high risk, with up to 90% developing malnutrition. Common treatments used for HNC can often lead to adverse side effects, including oral health conditions, gastrointestinal upsets, and sever...

The link between adequate nutrition and quality of life for older persons is well established. With the proportion of older adults increasing, policy regarding support and care for the ageing has shifted emphasis to keeping older adults in their homes for as long as possible. Risk of malnutrition is an issue of importance for this population and, w...

Arthritis is a significant cause of chronic pain and disability, affecting around 3.5 million Australians. However, little is known regarding the overall diet quality of those living with arthritis. This study aimed to assess the dietary quality of Australians living in the Australian Capital Territory region with arthritis. This cross-sectional st...

Social isolation and sedentary behaviour are common in residential aged care facilities (also known as nursing homes or long-term care). Use of new technologies such as virtual and augmented reality are currently under investigation for their potential to provide exciting and engaging activities for older people in residential aged care facilities....

This systematic review and meta-analysis aimed to evaluate randomized controlled trials that investigated the use of probiotic, prebiotic, and fermented food interventions for cognitive performance. In total, 22 studies (n = 1551) were included that investigated probiotics (11 studies, n = 724), prebiotics (5 studies, n = 355), and fermented foods...

BACKGROUND: The potential for diet to prevent and treat mental health conditions is an exciting area of investigation; however, the impact of different protein sources on mental health outcomes is unclear. OBJECTIVE: To evaluate the association between dietary protein intake and psychological distress, in people aged >50 years of age, living in Gre...

Background Evidence regarding stress, team structure and decision-making has been used to inform efficacious team composition and deployment. There have been limited attempts to establish the relationship between psychological stress with physiological data within professional environments. The current study explored measures of psychological and p...

Purpose: Several studies have already provided valuable insights into the physiological and genetic causes of hyperglycemia and obesity. Concurrently, personality traits, such as hostility, have been suggested to have an impact on health and illness (i.e., self-reported general health, coronary artery disease, and overall mortality). The present sy...

Objective The aim of the present study was to investigate the differences between the consumption of plant-based v . animal-based protein-rich diets on successful ageing, as well as to identify the optimal combination of dietary protein intake for facilitating successful ageing in people aged >50 years. Design A combined analysis was conducted in...

Consumption of anthocyanins (ACNs), due to their antioxidant, anti-inflammatory and anti-apoptotic effects, has been proposed for the prevention and treatment of several different diseases and conditions. ACNs are recognized as one of the leading nutraceuticals for prolonging health benefits through the attenuation of oxidative stress, and inflamma...

Consumption of L-Theanine (L-THE) has been associated with a sensation of relaxation, as well as a reduction of stress. However, these physiological responses have yet to be elucidated in humans where L-THE is compared alongside food or as a functional ingredient within the food matrix. The aim of this study was to determine the physiological respo...

The green tea amino acid, L-theanine (L-THE) is associated with several health benefits, including improvements in mood, cognition and a reduction of stress and anxiety-like symptoms. This systematic review evaluated the effect of pure L-THE intake, in the form of orally administered nutritional supplements, on stress responses and anxiety levels i...

Aim The aim of the present work was to evaluate the association between the level of adherence to the Mediterranean diet and successful aging, taking into consideration the overall dietary pattern, rather than individual foods, among middle-aged and older individuals. Methods A harmonized dataset of middle-aged and older participants (>50 years ol...

Caregivers' perceptions of children's pickiness are relatively scarce in relation to the five core food groups and their importance in providing a nutritionally balanced diet. Furthermore, there is no validated questionnaire that examines child-reported food preferences in an age-appropriate manner, and the use of terms such as a "picky eater" can...

There is an increasing demand for non-dairy probiotic carriers such as fruit and vegetable juices. Probiotic Lactobacillus sanfranciscensis is predominantly used in the bakery industry, and its efficacy in fruit juices has not been studied sufficiently. Additionally, support from the carrier matrices for maintaining probiotic viability and gastroin...

Nutritional and ergogenic aid supplementation is prevalent within athletic or general fitness populations, and is only continuing to gain momentum. Taken in isolation or as a combination, amino acid (AA) supplementation has the potential to increase endurance performance among other benefits. L-Arginine (L-Arg) and L-Citrulline (L-Cit) are two AAs...

Aims: To examine the association between dietary anti-inflammatory index (D-AII) and metabolic syndrome (MetS)prevalence, 10-year (2002-2012) diabetes, hypertension, hypercholesterolaemia incidence and 10-year transition from healthy (absence of all MetS traits, excluding waist circumference) to unhealthy metabolic status. Methods: In 2001-2002,...

Background and aims: Type 2 diabetes mellitus (T2DM) is a condition defined by hyperglycaemia, but also often presents with dyslipidaemia and suppressed HDL cholesterol. Mendelian randomization studies have suggested a causal link between low HDL cholesterol and T2DM. However, influences of gender, polymorphisms and lifestyle, all known to influen...

Background: An unhealthy lifestyle negatively alters autonomic nervous system (ANS) activity as reflected by decreased heart rate variability (HRV), increasing cardiovascular disease (CVD) risk. Research investigating the effect of modifiable lifestyle factors on ANS activity in young children is limited. Early identification of these risk factors...

Heart rate variability (HRV) is an accepted method for determining autonomic nervous system activity and cardiovascular risk in various populations. This study assessed the validity and reliability of a commercially available finger photoplethysmography (PPG) system for measuring pediatric HRV in a real-world setting. Sixteen healthy children (4.06...

Heart rate variability (HRV) is an accepted method for determining autonomic nervous system activity and cardiovascular risk in various populations. This study assessed the validity and reliability of a commercially available finger photoplethysmography (PPG) system for measuring pediatric HRV in a real-world setting. Sixteen healthy children (4.06...

Background and objectives: A healthy oral environment features a rapid turnover rate of epithelium cells capable of regeneration and repair, with the oral epithelium contributing as a physical barrier and immune defense. However, the oral cavity can be subjected to unique damage, such as ulcerations. Honey is reported as a therapeutic agent for wou...