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Nutrition in Menopause - NED Infobite
BANT's scientific NED InfoBites are designed to provide key elements of the latest research using plain language. They provide quick overviews on particular health issues and nutrition topics for a speedy introduction to the science. Visually attractive and easily shareable with clients and social media followers.
2024
Abstract
Menopause is the natural end to menstruation that occurs in women with ageing. This NED Infobite looks at the science behind nutritional strategies that impact both symptoms of menopause and disease risk associated with it. The use of probiotics for bone health during menopause is examined in one study and the potential benefits of including olive oil for metabolic syndrome management in another.
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The best diet for your brain
Dr. Mark Hyman is a practicing family physician and an internationally recognised leader, speaker, educator, and advocate in the field of Functional Medicine. He is the founder and director of The UltraWellness Centre, the Head of Strategy and Innovation of the Cleveland Clinic Centre for Functional Medicine, a thirteen-time New York Times bestselling author, and Board President for Clinical Affairs for The Institute for Functional Medicine.
2023
Abstract
A conversation with Max Lugavere exploring the best diet for brain health. Max believes that we have control over our cognitive destiny and that we need to challenge the narrative that our brain health will decline with age. They discuss the Mediterranean-DASH Diet Intervention for Neurodegenerative Delay (MIND), and hone in on what Max considers to be ‘genius’ foods for the brain including healthy fats (especially avocados and extra virgin olive oil) and those not so beneficial such as processed foods and seed oils. They also discuss what could be considered controversial to some, such the consumption of red meat and dairy and how best to include these in the diet to optimise brain health.
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Effects of Antioxidants on Pain Perception in Patients with Fibromyalgia-A Systematic Review.
Fernández-Araque, A, Verde, Z, Torres-Ortega, C, Sainz-Gil, M, Velasco-Gonzalez, V, González-Bernal, JJ, Mielgo-Ayuso, J
Journal of clinical medicine. 2022;11(9)
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Fibromyalgia (FM) is characterised by widespread chronic pain, fatigue, sleep disturbances, and cognitive impairment. As a result of oxidative stress, reactive oxygen species (ROS) are produced and improperly disposed of, resulting in peripheral and central sensitisations, and a reduction of the pain threshold in FM patients. It is well known that antioxidants are protective against oxidative stress and that reducing antioxidant levels can result in increased pain in patients with FM. An overview of 17 studies was conducted to evaluate the effect of antioxidant supplementation on pain perception and the appropriate duration of treatment for FM patients in this systematic review. This systematic review found that supplementation with Fibromyalgine® (Fib) (that contains vitamin C, acerola ginger root, and freeze-dried royal jelly), 300-400 gm/d of coenzyme Q10 alone in combination with Pregabalin, ferric carboxymaltose, vitamin C, E, and Nigella sativa, magnesium + amitriptyline, acetyl L-carnitine, and Sun Chlorella™ green algae are effective in reducing pain perception in FM patients. In patients with FM, alpha-lipoic acid supplementation significantly reduced pain scores. 80% of FM patients reported reduced pain after supplement treatment for at least six weeks. There is a need for further robust long-term studies to confirm the effectiveness and clinical applicability of antioxidants in the management of FM, as well as to identify the pathophysiology of FM. This research may, however, be used by healthcare professionals to gain a better understanding of the potential benefits of antioxidants in the treatment of pain associated with FM.
Abstract
In recent years, antioxidant supplements have become popular to counteract the effects of oxidative stress in fibromyalgia and one of its most distressing symptoms, pain. The aim of this systematic review was to summarize the effects of antioxidant supplementation on pain levels perceived by patients diagnosed with fibromyalgia. The words used respected the medical search terms related to our objective including antioxidants, fibromyalgia, pain, and supplementation. Seventeen relevant articles were identified within Medline (PubMed), Scopus, Web of Science (WOS), the Cochrane Database of Systematic Review, and the Cochrane Central Register of Controlled Trials. This review found that antioxidant supplementation is efficient in reducing pain in nine of the studies reviewed. Studies with a duration of supplementation of at least 6 weeks showed a benefit on pain perception in 80% of the patients included in these studies. The benefits shown by vitamins and coenzyme Q10 are remarkable. Further research is needed to identify the effects of other types of antioxidants, such as extra virgin olive oil and turmeric. More homogeneous interventions in terms of antioxidant doses administered and duration would allow the effects on pain to be addressed more comprehensively.
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Effectiveness of a Multicomponent Intervention in Primary Care That Addresses Patients with Diabetes Mellitus with Two or More Unhealthy Habits, Such as Diet, Physical Activity or Smoking: Multicenter Randomized Cluster Trial (EIRA Study).
Represas-Carrera, F, Couso-Viana, S, Méndez-López, F, Masluk, B, Magallón-Botaya, R, Recio-Rodríguez, JI, Pombo, H, Leiva-Rus, A, Gil-Girbau, M, Motrico, E, et al
International journal of environmental research and public health. 2021;18(11)
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Life habits such as smoking, physical activity, and diet affect glycaemic control. The objective of this multicentre randomised cluster trial (EIRA study) was to evaluate the effectiveness of multicomponent educational interventions on glycaemic control in Type 2 diabetic patients. Interventions in multicomponent individual, group and community settings included smoking cessation, the Mediterranean diet and physical activity, as well as an assessment of the quality of life. Participants had unhealthy lifestyles prior to the intervention. The study was conducted in 26 primary healthcare centres in seven health departments in Spain over a period of 12 months. A brief intervention aimed to change the habits of the participants, including increasing physical activity, quitting smoking and adhering to the Mediterranean diet. After 12 months of intervention, there were no statistically significant improvements in glycaemic control, physical activity, sedentary lifestyle, smoking, or quality of life. However, adherence to the Mediterranean diet was statistically significant. Further research is needed to determine the effectiveness of multicomponent interventions in improving glycaemic control. The clinical applicability of multicomponent interventions to tackle type 2 diabetes, obesity, and unhealthy lifestyles should be considered by healthcare providers.
Abstract
Introduction: We evaluated the effectiveness of an individual, group and community intervention to improve the glycemic control of patients with diabetes mellitus aged 45-75 years with two or three unhealthy life habits. As secondary endpoints, we evaluated the inverventions' effectiveness on adhering to Mediterranean diet, physical activity, sedentary lifestyle, smoking and quality of life. Method: A randomized clinical cluster (health centers) trial with two parallel groups in Spain from January 2016 to December 2019 was used. Patients with diabetes mellitus aged 45-75 years with two unhealthy life habits or more (smoking, not adhering to Mediterranean diet or little physical activity) participated. Centers were randomly assigned. The sample size was estimated to be 420 people for the main outcome variable. Educational intervention was done to improve adherence to Mediterranean diet, physical activity and smoking cessation by individual, group and community interventions for 12 months. Controls received the usual health care. The outcome variables were: HbA1c (main), the Mediterranean diet adherence score (MEDAS), the international diet quality index (DQI-I), the international physical activity questionnaire (IPAQ), sedentary lifestyle, smoking ≥1 cigarette/day and the EuroQuol questionnaire (EVA-EuroQol5D5L). Results: In total, 13 control centers (n = 356) and 12 intervention centers (n = 338) were included with similar baseline conditions. An analysis for intention-to-treat was done by applying multilevel mixed models fitted by basal values and the health center: the HbA1c adjusted mean difference = -0.09 (95% CI: -0.29-0.10), the DQI-I adjusted mean difference = 0.25 (95% CI: -0.32-0.82), the MEDAS adjusted mean difference = 0.45 (95% CI: 0.01-0.89), moderate/high physical activity OR = 1.09 (95% CI: 0.64-1.86), not living a sedentary lifestyle OR = 0.97 (95% CI: 0.55-1.73), no smoking OR = 0.61 (95% CI: 0.54-1.06), EVA adjusted mean difference = -1.26 (95% CI: -4.98-2.45). Conclusions: No statistically significant changes were found for either glycemic control or physical activity, sedentary lifestyle, smoking and quality of life. The multicomponent individual, group and community interventions only showed a statistically significant improvement in adhering to Mediterranean diet. Such innovative interventions need further research to demonstrate their effectiveness in patients with poor glycemic control.
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An updated systematic review and meta-analysis on adherence to mediterranean diet and risk of cancer.
Morze, J, Danielewicz, A, Przybyłowicz, K, Zeng, H, Hoffmann, G, Schwingshackl, L
European journal of nutrition. 2021;60(3):1561-1586
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The development of cancer is associated with a number of risk factors, including smoking, obesity, sedentary lifestyles, alcohol consumption, infections, pollution, and dietary imbalances. Based on previous research, optimal consumption of fruits, vegetables, and whole grains, along with reduced consumption of red and processed meat, reduces cancer risk. According to this systematic review and meta-analysis, adherence to the Mediterranean diet is associated with lower cancer mortality and site-specific cancer development. A Mediterranean diet includes fruits, vegetables, nuts, legumes, fish, whole grains, extra virgin olive oil, and low amounts of red meat, processed meat, egg, and dairy, along with moderate amounts of red wine. According to this systematic review and meta-analysis, adherence to the Mediterranean diet reduces the risk of cancer mortality and the risk of developing cancers specific to the site, such as colorectal cancer, bladder cancer, gastric cancer, and lung cancer. Among the components of the Mediterranean diet, fruits, vegetables, and whole grains have been shown to reduce cancer risk. Bioactive substances found in Mediterranean diet components require additional robust studies to evaluate their benefits. A healthcare professional can use the results of this study to make clinical decisions and recommend therapeutic interventions to cancer patients.
Abstract
PURPOSE The aim of current systematic review was to update the body of evidence on associations between adherence to the Mediterranean diet (MedDiet) and risk of cancer mortality, site-specific cancer in the general population; all-cause, and cancer mortality as well as cancer reoccurrence among cancer survivors. METHODS A literature search for randomized controlled trials (RCTs), case-control and cohort studies published up to April 2020 was performed using PubMed and Scopus. Study-specific risk estimates for the highest versus lowest adherence to the MedDiet category were pooled using random-effects meta-analyses. Certainty of evidence from cohort studies and RCTs was evaluated using the NutriGrade scoring system. RESULTS The updated search revealed 44 studies not identified in the previous review. Altogether, 117 studies including 3,202,496 participants were enclosed for meta-analysis. The highest adherence to MedDiet was inversely associated with cancer mortality (RRcohort: 0.87, 95% CI 0.82, 0.92; N = 18 studies), all-cause mortality among cancer survivors (RRcohort: 0.75, 95% CI 0.66, 0.86; N = 8), breast (RRobservational: 0.94, 95% CI 0.90, 0.97; N = 23), colorectal (RRobservational: 0.83, 95% CI 0.76, 0.90; N = 17), head and neck (RRobservational: 0.56, 95% CI 0.44, 0.72; N = 9), respiratory (RRcohort: 0.84, 95% CI 0.76, 0.94; N = 5), gastric (RRobservational: 0.70, 95% CI 0.61, 0.80; N = 7), bladder (RRobservational: 0.87, 95% CI 0.76, 0.98; N = 4), and liver cancer (RRobservational: 0.64, 95% CI 0.54, 0.75; N = 4). Adhering to MedDiet did not modify risk of blood, esophageal, pancreatic and prostate cancer risk. CONCLUSION In conclusion, our results suggest that highest adherence to the MedDiet was related to lower risk of cancer mortality in the general population, and all-cause mortality among cancer survivors as well as colorectal, head and neck, respiratory, gastric, liver and bladder cancer risks. Moderate certainty of evidence from cohort studies suggest an inverse association for cancer mortality and colorectal cancer, but most of the comparisons were rated as low or very low certainty of evidence.
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Nutritional Interventions in the Management of Fibromyalgia Syndrome.
Pagliai, G, Giangrandi, I, Dinu, M, Sofi, F, Colombini, B
Nutrients. 2020;12(9)
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Fibromyalgia (FM) is a chronic pain condition, often presenting with widespread body pain, joint stiffness, sleep disorders, depression, anxiety, gastrointestinal and cognitive complaints. Despite being common, the cause of FM is not well understood. In the absence of effective treatments, the current management of FM involves a multidisciplinary approach utilizing pharmacological and non-pharmacological interventions. Growing evidence suggests a role for nutrition as a complementary strategy for FM management. This brief review summarises the possible impact of nutritional supplements and dietary interventions on FM. Previous reviews concluded that vitamin and mineral deficiencies themselves are unlikely to be significant in the development of FM. Yet, a few interventional studies investigating the use of Vitamin D, magnesium, iron and probiotics showed promising results. To date, there is no or limited evidence for the use of Vitamin C, E, selected amino acids, botanical or antioxidant supplements. Food-wise the inclusion of quality olive oil and the grain Khorasan proved helpful on FM presentation, whilst findings around the role of dietary monosodium glutamate and aspartame seem mixed. Regarding diet patterns, gluten-free, low-calorie, vegetarian, vegan, raw food or Mediterranean diets were all associated with improvement of symptoms. Equally a FODMAP diet can aid FM associated digestive complaints due to the significant overlap of Irritable Bowel Syndrome with FM. The authors concluded that the clinical application of dietary supplements in the management of FM remains controversial. Yet, dietary interventions appear to be an effective tool in the management of FM. Since various diet interventions demonstrated benefits, dietary adequacy and weight loss may be most critical from a clinical perspective.
Abstract
Fibromyalgia (FM) is a multifactorial syndrome of unknown etiology, characterized by widespread chronic pain and various somatic and psychological manifestations. The management of FM requires a multidisciplinary approach combining both pharmacological and nonpharmacological strategies. Among nonpharmacological strategies, growing evidence suggests a potential beneficial role for nutrition. This review summarizes the possible relationship between FM and nutrition, exploring the available evidence on the effect of dietary supplements and dietary interventions in these patients. Analysis of the literature has shown that the role of dietary supplements remains controversial, although clinical trials with vitamin D, magnesium, iron and probiotics' supplementation show promising results. With regard to dietary interventions, the administration of olive oil, the replacement diet with ancient grains, low-calorie diets, the low FODMAPs diet, the gluten-free diet, the monosodium glutamate and aspartame-free diet, vegetarian diets as well as the Mediterranean diet all appear to be effective in reducing the FM symptoms. These results may suggest that weight loss, together with the psychosomatic component of the disease, should be taken into account. Therefore, although dietary aspects appear to be a promising complementary approach to the treatment of FM, further research is needed to provide the most effective strategies for the management of FM.
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Immunomodulatory Effects of Diet and Nutrients in Systemic Lupus Erythematosus (SLE): A Systematic Review.
Islam, MA, Khandker, SS, Kotyla, PJ, Hassan, R
Frontiers in immunology. 2020;11:1477
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Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by an abnormal inflammation affecting multiple organs, blood formation processes and the central nervous system. The condition is still not well understood and hence more specific and effective treatment options are lacking. How diet and lifestyle may play a role in the disease’s onset and development is still disputed, yet some nutritional aspects appear to be associated with SLE. This systematic review gathered clinical and preclinical evidence from animal and human studies, investigating dietary and nutritional interventions that either proved helpful in the management of SLE or had adverse effects. The review considered the impact of reduced calorie intake and body weight. It discussed the value of lower protein intake, in the context of SLE-related kidney complications and polyunsaturated fats such as omega-3 and olive oil and their role in regulating inflammatory pathways. Furthermore, it stressed the importance of fibre in gut health and immune regulation in SLE. The study also included evidence from Vitamin A, B, C, D and E, with particular detail on Vitamin D and its relation to disease prevention, progression and its immune regulatory capacity. Towards the end is a brief table displaying the more limited finding on some minerals, before exploring the plant-derived compound group of polyphenols and finally Royal jelly. In short, the authors suggested that moving towards a balanced diet can address unfavourable nutritional shortages commonly observed in SLE patients. A diet that is low in calories and protein but plentiful in fibre, polyunsaturated fats, vitamin A, B, C, D, and E, minerals and polyphenol-containing foods. Evidently, the components of such a diet have favourable effects on regulating inflammation and immune function and thus overall disease activity. This review affirms the importance of nutritional adequacy for the management of SLE.
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by multiple organ involvement, including the skin, joints, kidneys, lungs, central nervous system and the haematopoietic system, with a large number of complications. Despite years of study, the etiology of SLE remains unclear; thus, safe and specifically targeted therapies are lacking. In the last 20 years, researchers have explored the potential of nutritional factors on SLE and have suggested complementary treatment options through diet. This study systematically reviews and evaluates the clinical and preclinical scientific evidence of diet and dietary supplementation that either alleviate or exacerbate the symptoms of SLE. For this review, a systematic literature search was conducted using PubMed, Scopus and Google Scholar databases only for articles written in the English language. Based on the currently published literature, it was observed that a low-calorie and low-protein diet with high contents of fiber, polyunsaturated fatty acids, vitamins, minerals and polyphenols contain sufficient potential macronutrients and micronutrients to regulate the activity of the overall disease by modulating the inflammation and immune functions of SLE.
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Antiviral Functional Foods and Exercise Lifestyle Prevention of Coronavirus.
Alkhatib, A
Nutrients. 2020;12(9)
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In lieu of a vaccine, complementary therapies have a major role to play in the Covid-19 pandemic. This review paper aimed to highlight how lifestyle approaches such as consumption of functional foods and increased physical activity could optimise the immune system in response to viral infections such as respiratory tract infections and Covid-19, and act as a possible adjuvant to vaccination. The paper outlined the role of exercise as being controversial. Although exercise has been shown to activate white blood cells, intense exercise in elite athletes has been linked to higher upper respiratory tract infection rates. It appears that varying intensity and type of exercise may optimise the immune system and have an additive effect to immunisation against viruses like influenza. The authors also stated that having a sedentary lifestyle may impair the immune system and diseases such as obesity and diabetes may increase susceptibility to infections such as Covid-19. The antiviral effect of functional foods was discussed. The paper paid particular attention to olive oil, vitamin D, traditional herbs and roots, coffee and caffeine. The reviewed mechanisms included enhanced gut bacteria profiles and promotion of anti-oxidants and anti-inflammatories. The authors also stated that supplementation as well as adequate dietary intake might be of importance against Covid-19, especially in deficient individuals. It was concluded that moderate intensity exercise alongside dietary intake of functional foods, may prevent communicable diseases, such as Covid-19. Clinicians could use this paper to recommend specific functional foods plus moderate exercise, to help prevent viral infections like Covid-19.
Abstract
Novel coronavirus (COVID-19) is causing global mortality and lockdown burdens. A compromised immune system is a known risk factor for all viral influenza infections. Functional foods optimize the immune system capacity to prevent and control pathogenic viral infections, while physical activity augments such protective benefits. Exercise enhances innate and adaptive immune systems through acute, transient, and long-term adaptations to physical activity in a dose-response relationship. Functional foods prevention of non-communicable disease can be translated into protecting against respiratory viral infections and COVID-19. Functional foods and nutraceuticals within popular diets contain immune-boosting nutraceuticals, polyphenols, terpenoids, flavonoids, alkaloids, sterols, pigments, unsaturated fatty-acids, micronutrient vitamins and minerals, including vitamin A, B6, B12, C, D, E, and folate, and trace elements, including zinc, iron, selenium, magnesium, and copper. Foods with antiviral properties include fruits, vegetables, fermented foods and probiotics, olive oil, fish, nuts and seeds, herbs, roots, fungi, amino acids, peptides, and cyclotides. Regular moderate exercise may contribute to reduce viral risk and enhance sleep quality during quarantine, in combination with appropriate dietary habits and functional foods. Lifestyle and appropriate nutrition with functional compounds may offer further antiviral approaches for public health.
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The Fluid Aspect of the Mediterranean Diet in the Prevention and Management of Cardiovascular Disease and Diabetes: The Role of Polyphenol Content in Moderate Consumption of Wine and Olive Oil.
Ditano-Vázquez, P, Torres-Peña, JD, Galeano-Valle, F, Pérez-Caballero, AI, Demelo-Rodríguez, P, Lopez-Miranda, J, Katsiki, N, Delgado-Lista, J, Alvarez-Sala-Walther, LA
Nutrients. 2019;11(11)
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The Mediterranean diet is considered one of the most studied diets in scientific literature and this review specifically looks at two fluid aspects of the MedDiet; olive oil and red wine. Olive oil is rich in phenolic compounds and red wine in polyphenols and the study looks at their therapeutic effect on cardiovascular disease prevention, particularly on lipids, blood pressure, plaque and glucose metabolism. Known mechanisms of the MedDiet include reduction of inflammatory and oxidative stress markers, and an improvement in lipid profile and insulin sensitivity. Polyphenols are important antioxidants abundant in plant foods including olives and red grapes used in wine (known to be x10 richer in polyphenols than white wine). The review reports that low to moderate consumption of red wine 30-50g daily lowers risk factors for CVD, improve HDL lipid profile, exerts a beneficial effect on blood pressure (BP), promotes vasodilation thus helping to reduce plaques and finally limited data shows it may beneficially affect insulin resistance. Polyphenols in olives were reported to reduce blood pressure, reduce LDL lipids and increase HDL lipids, support weight loss and help prevent obesity, metabolic syndrome and type II diabetes, reduce inflammation and oxidative stress, and possibility benefit gut microbiota. The review concludes that both fluids exert cardio-protection when consumed in moderation as part of a MedDiet.
Abstract
A growing interest has emerged in the beneficial effects of plant-based diets for the prevention of cardiovascular disease, diabetes and obesity. The Mediterranean diet, one of the most widely evaluated dietary patterns in scientific literature, includes in its nutrients two fluid foods: olive oil, as the main source of fats, and a low-to-moderate consumption of wine, mainly red, particularly during meals. Current mechanisms underlying the beneficial effects of the Mediterranean diet include a reduction in inflammatory and oxidative stress markers, improvement in lipid profile, insulin sensitivity and endothelial function, as well as antithrombotic properties. Most of these effects are attributable to bioactive ingredients including polyphenols, mono- and poly-unsaturated fatty acids. Polyphenols are a heterogeneous group of phytochemicals containing phenol rings. The principal classes of red wine polyphenols include flavonols (quercetin and myricetin), flavanols (catechin and epicatechin), anthocyanin and stilbenes (resveratrol). Olive oil has at least 30 phenolic compounds. Among them, the main are simple phenols (tyrosol and hydroxytyrosol), secoroids and lignans. The present narrative review focuses on phenols, part of red wine and virgin olive oil, discussing the evidence of their effects on lipids, blood pressure, atheromatous plaque and glucose metabolism.
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Consumers' Perceptions and Preferences for Bitterness in Vegetable Foods: The Case of Extra-Virgin Olive Oil and Brassicaceae-A Narrative Review.
Cavallo, C, Cicia, G, Del Giudice, T, Sacchi, R, Vecchio, R
Nutrients. 2019;11(5)
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Many known healthy foods have a distinctively bitter taste, which can discourage people from eating them. This literature review looked at the biochemical aspects and consumers’ perceptions and preferences toward foods with a strong bitter taste, in particular extra-virgin olive oil (EVOO) and Brassica vegetables such as broccoli, cauliflower, cabbage, kale and Brussel sprouts. The review included 99 articles. The authors found that, although many people dislike a strong bitter taste, there are some exceptions such as: niches of consumers (e.g., innovators and organic buyers) and foods consumed with specific purposes (e.g., coffee, chocolate, and alcoholic beverages). The level of perceived bitterness can be reduced through repeated exposure to bitter foods, information on health benefits, and pairing with foods that reduce bitterness. These insights can be used to develop campaigns aimed at promoting healthy bitter foods.
Abstract
The presence of some healthy phytochemicals in food can be paired with high bitterness, and consumers have a widespread avoidance toward bitter-tasting food. This causes a gap between preferences and healthy needs of consumers. Therefore, this review collected insights from literature belonging to different discipline domains in order to have a broad view of the current state-of-the-art about biochemical aspects and consumers' perceptions and preferences toward foods with an enhanced bitter taste. In detail, we focused on two core products of the Mediterranean diet: Extra-virgin olive oil (EVOO) and Brassicaceae, both characterized by specific phytochemicals having strong healthy properties and bitter-pungent taste. Results suggested that, although bitter taste is a general driver of dislike, some exceptions can be represented by: niches of consumers (e.g., innovators and organic buyers), foods consumed with specific purposes (e.g., coffee, chocolate, and alcoholic beverages). The level of bitterness perceived by the consumers can be modulated through exposure, information on benefits, and elements within the environment (e.g., music). Thus, these insights can be used to develop specific campaigns aimed at promoting bitter (healthy) food, considering also the key role that could be played by food pairings.