Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 44
Filtrar
1.
Ned Tijdschr Geneeskd ; 1672023 11 23.
Artigo em Holandês | MEDLINE | ID: mdl-38175555

RESUMO

BACKGROUND: Since 2006 chocolate containing psilocin is circulating in The Netherlands. Psilocin is a psychoactive substance derived from psychedelic mushrooms and known to be hard drugs. Consuming psilocin can cause symptoms such as hallucinations, fear and panic attacks and sympathomimetic effects. These effects can last for approximately 6 hours. CASE DESCRIPTION: A man presented to the ED after eating a piece of chocolate. He was complaining of agitation, dizziness, a dry mouth and nausea. He was hypertensive and had wide light-responsive pupils. An analysis of the chocolate in the hospital pharmacy laboratory indicated the presence of psilocin. CONCLUSIONS: Food, like chocolate, can contain toxic ingredients that are not mentioned on the ingredients lists. Therefore, in unexplained symptoms, it could be useful to exclude an intoxication with polluted food.


Assuntos
Chocolate , Psilocibina , Humanos , Masculino , Chocolate/efeitos adversos , Tontura , Emoções , Medo , Alimentos , Psilocibina/efeitos adversos
2.
Med J Aust ; 217(11): 591-592, 2022 12 12.
Artigo em Inglês | MEDLINE | ID: mdl-36478580
7.
Nutrients ; 13(7)2021 Jul 13.
Artigo em Inglês | MEDLINE | ID: mdl-34371907

RESUMO

The effect of coffee and cocoa on oxidative damage to macromolecules has been investigated in several studies, often with controversial results. This study aimed to investigate the effect of one-month consumption of different doses of coffee or cocoa-based products containing coffee on markers of DNA damage and lipid peroxidation in young healthy volunteers. Twenty-one volunteers were randomly assigned into a three-arm, crossover, randomized trial. Subjects were assigned to consume one of the three following treatments: one cup of espresso coffee/day (1C), three cups of espresso coffee/day (3C), and one cup of espresso coffee plus two cocoa-based products containing coffee (PC) twice per day for 1 month. At the end of each treatment, blood samples were collected for the analysis of endogenous and H2O2-induced DNA damage and DNA oxidation catabolites, while urines were used for the analysis of oxylipins. On the whole, four DNA catabolites (cyclic guanosine monophosphate (cGMP), 8-OH-2'-deoxy-guanosine, 8-OH-guanine, and 8-NO2-cGMP) were detected in plasma samples following the one-month intervention. No significant modulation of DNA and lipid damage markers was documented among groups, apart from an effect of time for DNA strand breaks and some markers of lipid peroxidation. In conclusion, the consumption of coffee and cocoa-based confectionery containing coffee was apparently not able to affect oxidative stress markers. More studies are encouraged to better explain the findings obtained and to understand the impact of different dosages of these products on specific target groups.


Assuntos
Biomarcadores/sangue , Chocolate , Café , Dano ao DNA , Peroxidação de Lipídeos , Estresse Oxidativo , 8-Hidroxi-2'-Desoxiguanosina/sangue , Chocolate/efeitos adversos , Cromatografia Líquida de Alta Pressão , Café/efeitos adversos , Ensaio Cometa , Estudos Cross-Over , GMP Cíclico/análogos & derivados , GMP Cíclico/sangue , Feminino , Guanina/análogos & derivados , Guanina/sangue , Humanos , Masculino , Espectrometria de Massas em Tandem , Adulto Jovem
8.
FASEB J ; 35(7): e21649, 2021 07.
Artigo em Inglês | MEDLINE | ID: mdl-34164846

RESUMO

Eating chocolate in the morning or in the evening/at night, may differentially affect energy balance and impact body weight due to changes in energy intake, substrate oxidation, microbiota (composition/function), and circadian-related variables. In a randomized controlled trial, postmenopausal females (n = 19) had 100 g of chocolate in the morning (MC), in the evening/at night (EC), or no chocolate (N) for 2 weeks and ate any other food ad libitum. Our results show that 14 days of chocolate intake did not increase body weight. Chocolate consumption decreased hunger and desire for sweets (P < .005), and reduced ad libitum energy intake by ~300 kcal/day during MC and ~150 kcal/day during EC (P = .01), but did not fully compensate for the extra energy contribution of chocolate (542 kcal/day). EC increased physical activity by +6.9%, heat dissipation after meals +1.3%, and carbohydrate oxidation by +35.3% (P < .05). MC reduced fasting glucose (4.4%) and waist circumference (-1.7%) and increased lipid oxidation (+25.6%). Principal component analyses showed that both timings of chocolate intake resulted in differential microbiota profiles and function (P < .05). Heat map of wrist temperature and sleep records showed that EC induced more regular timing of sleep episodes with lower variability of sleep onset among days than MC (60 min vs 78 min; P = .028). In conclusion, having chocolate in the morning or in the evening/night results in differential effects on hunger and appetite, substrate oxidation, fasting glucose, microbiota (composition and function), and sleep and temperature rhythms. Results highlight that the "when" we eat is a relevant factor to consider in energy balance and metabolism.


Assuntos
Apetite/efeitos dos fármacos , Índice de Massa Corporal , Carboidratos/química , Chocolate/efeitos adversos , Fome/efeitos dos fármacos , Microbiota/efeitos dos fármacos , Idoso , Glicemia/análise , Estudos Cross-Over , Ingestão de Energia , Jejum , Feminino , Humanos , Pessoa de Meia-Idade , Período Pós-Prandial , Fatores de Tempo
9.
Rocz Panstw Zakl Hig ; 72(2): 137-143, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34114770

RESUMO

Acne is one of the most common dermatological conditions affecting millions of people worldwide. It is assumed that the main etiological factors acne are considered to be the excessive production of sebum and hormones, and the colonisation of P. acnes bacteria. The relationship between diet and acne lesions is still the subject of debate and scientific criticism. On the one hand, studies suggest that an elimination diet is of no benefit in the treatment of acne, while other studies indicate that there is a close a close relationship between diet and the occurrence of acne lesions. Already in the 1970s, some scientists claimed that the course of acne could be modified by specific dietary components. Several studies have confirmed, among others, the role of a diet with a high glycemic index diet in acne exacerbation and suggested that a low glycemic index diet for several weeks may lead to a reduction in the number of acne lesions. The effect of milk consumption was also investigated in terms for its potential role in acne pathogenesis, including its ability to increase insulin levels. In the last decade, studies have also emerged to determine the effect of dark chocolate on the exacerbation of acne symptoms. To date, it has not been conclusively established which component of chocolate may have a potentially adverse effects on the course of acne. The article summaries the current knowledge on the relationship between diet and acne lesions, and discusses the results of recent studies on selected dietary components that may exacerbate acne.


Assuntos
Acne Vulgar/etiologia , Chocolate/efeitos adversos , Dieta/efeitos adversos , Animais , Índice Glicêmico , Humanos , Leite/efeitos adversos
10.
Sci Rep ; 11(1): 9929, 2021 05 11.
Artigo em Inglês | MEDLINE | ID: mdl-33976258

RESUMO

Maternal consumption of polyphenol-rich foods has been associated with fetal ductus arteriosus constriction (DAC), but safety of chocolate exposure in fetal life has not been studied. This experimental study tested the hypothesis that maternal cocoa consumption in late pregnancy causes fetal DAC, with possible associated antioxidant effects. Pregnant Wistar rats, at the 21st gestational day, received by orogastric tube cocoa (720 mg/Kg) for 12 h, indomethacin (10 mg/Kg), for 8 h, or only water, before cesaren section. Immediately after withdrawal, every thorax was obtained and tissues were fixed and stained for histological analysis. The ratio of the narrowest part of the pulmonary artery to the fetal ductus inner diameter and increased ductal inner wall thickness characterized ductal constriction. Substances reactive to thiobarbituric acid were quantified. Statistical analysis used ANOVA and Tukey test. Cocoa (n = 33) and indomethacin (n = 7) reduced fetal internal ductus diameter when compared to control (water, n = 25) (p < 0.001) and cocoa alone increased ductus wall thickness (p < 0.001), but no change was noted in enzymes activity. This pharmacological study shows supporting evidences that there is a cause and effect relationship between maternal consumption of cocoa and fetal ductus arteriosus constriction. Habitual widespread use of chocolate during gestation could account for undetected ductus constriction and its potentially severe consequences, such as perinatal pulmonary hypertension, cardiac failure and even death. For this reason, dietary guidance in late pregnancy to avoid high chocolate intake, to prevent fetal ductal constriction, may represent the main translational aspect of this study.


Assuntos
Chocolate/efeitos adversos , Permeabilidade do Canal Arterial/etiologia , Canal Arterial/anormalidades , Efeitos Tardios da Exposição Pré-Natal/etiologia , Animais , Constrição Patológica/etiologia , Constrição Patológica/patologia , Canal Arterial/patologia , Permeabilidade do Canal Arterial/patologia , Feminino , Doenças Fetais/etiologia , Doenças Fetais/patologia , Feto/anormalidades , Feto/patologia , Masculino , Exposição Materna/efeitos adversos , Gravidez , Efeitos Tardios da Exposição Pré-Natal/patologia , Ratos , Ratos Wistar
11.
Food Chem Toxicol ; 152: 112196, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-33862120

RESUMO

The risk of having an allergic reaction in milk-allergic individuals consuming products with precautionary allergen labelling (PAL) for milk has been rarely studied in products such as dark chocolate, cookies, and other baked goods. A probabilistic risk assessment model was developed to estimate potential risks. Milk occurrence and contamination levels were reported in a previous article from our group. Dose-response curves for milk were constructed using values (n = 1078) from published double-blind placebo-controlled food challenges. Canadian consumption data was extracted from a national survey, and a homemade survey involving food-allergic Canadians. Milk eliciting doses (ED) were 0.23 (ED01), 1.34 (ED05), 3.42 (ED10), and 16.3 (ED25) mg of milk protein (Log-Normal distribution). Average exposures, per eating occasion, were 24 mg (dark chocolate), 3.9 mg (baked goods), and 0.20 mg (cookies) of milk proteins. The estimated risk of having a milk-induced allergic reaction by consuming foods with PAL for milk was higher for dark chocolate (16%; 15,881/100,000) than baked goods (3.8%; 3802/100,000) or cookies (0.6%; 646/100,000) in milk-allergic Canadians. Dark chocolate, cookies, and baked goods with PAL for milk, should be avoided by milk-allergic Canadians (consuming or not products with PAL) to prevent allergic reactions.


Assuntos
Chocolate/efeitos adversos , Hipersensibilidade a Leite/epidemiologia , Leite/imunologia , Adolescente , Adulto , Idoso , Animais , Canadá , Criança , Pré-Escolar , Relação Dose-Resposta Imunológica , Feminino , Rotulagem de Alimentos , Humanos , Lactente , Recém-Nascido , Masculino , Pessoa de Meia-Idade , Modelos Estatísticos , Medição de Risco , Inquéritos e Questionários/estatística & dados numéricos , Adulto Jovem
12.
Reprod Sci ; 28(2): 381-392, 2021 02.
Artigo em Inglês | MEDLINE | ID: mdl-32780360

RESUMO

This study aimed to evaluate the factors related to the severity of menstrual pain in Turkish women with primary dysmenorrhea (PD). The study included 504 women with PD aged 18 years or older. A Visual Analogue Scale (VAS), a self-developed structured questionnaire, the International Physical Activity Questionnaire-Short Form (IPAQ-SF), State and Trait Anxiety Inventory, Beck Depression Inventory, and Nottingham Health Profile (NHP) were used to measure outcomes. Multiple multinomial logistic regression analysis was used to determine the factors related to the severity of menstrual pain. In this model, categorical menstrual pain severity levels (mild, moderate, and severe) were considered as dependent variables and the category of "severe menstrual pain" was determined as the reference category. p value less than 0.05 was considered statistically significant. The individuals were divided into 3 groups according to their VAS scores: mild-pain group (n = 132, 26.19%), moderate-pain group (n = 189, 37.50%), and severe-pain group (n = 183, 36.30%). BMI increase (OR = 1.10 and OR = 1.09), decreased chocolate consumption (OR = 1.88), menstruation duration (OR = 2.48) and menstrual pain duration (OR = 1.33 and OR = 1.61), and increased physical activity level (OR = 1.10) were found to increase the tendency to have less severe pain. The positive family history (OR = 0.35), a decrease in the age of menarche (OR = 0.47), the presence of irregular menstruation (OR = 0.36), and decreased quality of life (OR = 0.98 for NHP pain and emotional reaction) were found to be associated with a reduced likelihood of less severe pain (p < 0.05). In Turkey as well as in the rest of the world, PD is an important public health problem and many factors are associated with menstrual pain in Turkish women.


Assuntos
Dismenorreia/diagnóstico , Estilo de Vida , Ciclo Menstrual , Medição da Dor , Qualidade de Vida , Adolescente , Adulto , Fatores Etários , Índice de Massa Corporal , Chocolate/efeitos adversos , Estudos Transversais , Dismenorreia/etiologia , Dismenorreia/fisiopatologia , Dismenorreia/psicologia , Exercício Físico , Feminino , Humanos , Modelos Logísticos , Menarca , Saúde Mental , Prognóstico , Medição de Risco , Fatores de Risco , Índice de Gravidade de Doença , Turquia , Adulto Jovem
13.
Nutrients ; 12(3)2020 Feb 26.
Artigo em Inglês | MEDLINE | ID: mdl-32110888

RESUMO

Migraine is a chronic disorder with episodic attacks, and patients with a migraine often report that certain factors can trigger their headache, with chocolate being the most popular type of food-based trigger. Many studies have suggested a link between chocolate and headaches; however, the underlying physiological mechanisms are unclear. As premonitory symptoms may herald migraine attacks, a question arises regarding whether eating chocolate before a headache is a consequence of a food craving or indeed a real trigger. Here, we aim to summarize the available evidence on the relationship between chocolate and migraines. All articles concerning this topic published up to January 2020 were retrieved by searching clinical databases, including EMBASE, MEDLINE, PubMed, and Google Scholar. All types of studies have been included. Here, we identify 25 studies investigating the prevalence of chocolate as a trigger factor in migraineurs. Three provocative studies have also evaluated if chocolate can trigger migraine attacks, comparing it to a placebo. Among them, in 23 studies, chocolate was found to be a migraine trigger in a small percentage of participants (ranging from 1.3 to 33), while all provocative studies have failed to find significant differences between migraine attacks induced by eating chocolate and a placebo. Overall, based on our review of the current literature, there is insufficient evidence that chocolate is a migraine trigger; thus, doctors should not make implicit recommendations to migraine patients to avoid it.


Assuntos
Chocolate/efeitos adversos , Transtornos de Enxaqueca/etiologia , Método Duplo-Cego , Humanos , Transtornos de Enxaqueca/prevenção & controle , Prevalência
14.
JMIR Mhealth Uhealth ; 7(11): e12298, 2019 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-31682584

RESUMO

BACKGROUND: Repeatedly pushing high-calorie food stimuli away based on joystick movements has been found to reduce approach biases toward these stimuli. Some studies also found that such avoidance training reduced consumption of high-calorie foods. OBJECTIVE: This study aimed to test effects of a smartphone-based approach-avoidance intervention on chocolate craving and consumption, to make such interventions suitable for daily use. METHODS: Within a 10-day period, regular chocolate eaters (n=105, 86% female) performed five sessions during which they continuously avoided (ie, swiped upward) chocolate stimuli (experimental group, n=35), performed five sessions during which they approached and avoided chocolate stimuli equally often (placebo control group, n=35), or did not perform any training sessions (inactive control group, n=35). Training effects were measured during laboratory sessions before and after the intervention period and further continuously through daily ecological momentary assessment. RESULTS: Self-reported chocolate craving and consumption as well as body fat mass significantly decreased from pre- to postmeasurement across all groups. Ecological momentary assessment reports evidenced no differences in chocolate craving and consumption between intervention days and rest days as a function of the group. CONCLUSIONS: A smartphone-based approach-avoidance training did not affect eating-related and anthropometric measures over and above measurement-based changes in this study. Future controlled studies need to examine whether other techniques of modifying food approach tendencies show an add-on benefit over conventional, monitoring-based intervention effects. TRIAL REGISTRATION: AsPredicted 8203; https://aspredicted.org/pt9df.pdf.


Assuntos
Aprendizagem da Esquiva , Chocolate/efeitos adversos , Fissura/fisiologia , Comportamento Alimentar/psicologia , Adolescente , Adulto , Chocolate/normas , Feminino , Alemanha , Humanos , Masculino , Pessoa de Meia-Idade , Motivação , Autorrelato , Smartphone/instrumentação , Smartphone/tendências , Design de Software , Inquéritos e Questionários
15.
Nutrients ; 11(7)2019 06 28.
Artigo em Inglês | MEDLINE | ID: mdl-31261645

RESUMO

In recent years, the consumption of chocolate and, in particular, dark chocolate has been "rehabilitated" due to its high content of cocoa antioxidant polyphenols. Although it is recognized that regular exercise improves energy metabolism and muscle performance, excessive or unaccustomed exercise may induce cell damage and impair muscle function by triggering oxidative stress and tissue inflammation. The aim of this review was to revise the available data from literature on the effects of cocoa polyphenols on exercise-associated tissue damage and impairment of exercise performance. To this aim, PubMed and Web of Science databases were searched with the following keywords: "intervention studies", "cocoa polyphenols", "exercise training", "inflammation", "oxidative stress", and "exercise performance". We selected thirteen randomized clinical trials on cocoa ingestion that involved a total of 200 well-trained athletes. The retrieved data indicate that acute, sub-chronic, and chronic cocoa polyphenol intake may reduce exercise-induced oxidative stress but not inflammation, while mixed results are observed in terms of exercise performance and recovery. The interpretation of available results on the anti-oxidative and anti-inflammatory activities of cocoa polyphenols remains questionable, likely due to the variety of physiological networks involved. Further experimental studies are mandatory to clarify the role of cocoa polyphenol supplementation in exercise-mediated inflammation.


Assuntos
Anti-Inflamatórios/uso terapêutico , Antioxidantes/uso terapêutico , Chocolate/análise , Metabolismo Energético/efeitos dos fármacos , Exercício Físico , Força Muscular/efeitos dos fármacos , Músculo Esquelético/efeitos dos fármacos , Miosite/prevenção & controle , Estresse Oxidativo/efeitos dos fármacos , Polifenóis/uso terapêutico , Adolescente , Adulto , Anti-Inflamatórios/efeitos adversos , Anti-Inflamatórios/análise , Antioxidantes/efeitos adversos , Antioxidantes/análise , Chocolate/efeitos adversos , Humanos , Masculino , Músculo Esquelético/metabolismo , Músculo Esquelético/patologia , Músculo Esquelético/fisiopatologia , Miosite/etiologia , Miosite/metabolismo , Miosite/fisiopatologia , Polifenóis/efeitos adversos , Polifenóis/análise , Ensaios Clínicos Controlados Aleatórios como Assunto , Recuperação de Função Fisiológica , Fatores de Risco , Resultado do Tratamento , Adulto Jovem
16.
Br J Nutr ; 122(8): 936-941, 2019 10 28.
Artigo em Inglês | MEDLINE | ID: mdl-31337446

RESUMO

The association of chocolate consumption with risk of gestational diabetes has not been examined. We aimed to investigate the prospective association between chocolate consumption and risk of gestational diabetes in a large birth cohort in Japan. A total of 97 454 pregnant women with a median gestational age of 12 weeks were recruited from January 2011 to March 2014. Data on demographic information, disease history, socio-economic status, lifestyle and dietary habits were obtained at the study enrolment. Dietary intake during the past 12 months before study enrolment was assessed through a semi-quantitative FFQ. The logistic regression was used to obtain the OR of gestational diabetes in relation to chocolate consumption. Among 84 948 women eligible for the analysis, 1904 cases of gestational diabetes (2·2 %) were identified during the period of pregnancy. After controlling for potential confounding factors including age, smoking status, drinking status, education level, occupation, pre-pregnant BMI, depression, previous history of macrosomia babies, parity, physical activity and dietary factors, women in the highest quartile of chocolate consumption, compared with those in the lowest quartile, had a significantly lower risk of developing gestational diabetes (OR 0·78, 95 % CI 0·67, 0·90; P for trend = 0·002). Stratified analyses suggested that the association was not significantly modified by pre-pregnancy BMI, age, parity, smoking status or drinking status. The present prospective cohort study provided evidence that chocolate consumption was associated with a significant lower risk of gestational diabetes in Japanese women.


Assuntos
Chocolate/efeitos adversos , Diabetes Gestacional/etiologia , Dieta/efeitos adversos , Adulto , Diabetes Gestacional/epidemiologia , Inquéritos sobre Dietas , Comportamento Alimentar , Feminino , Idade Gestacional , Humanos , Japão/epidemiologia , Gravidez , Estudos Prospectivos , Fatores de Risco , Adulto Jovem
17.
J AOAC Int ; 102(5): 1388-1396, 2019 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-31200790

RESUMO

Dark chocolate is not the most popular chocolate; the higher concentration in antioxidants pays tribute to the increment in bitterness. The caloric density of dark chocolate is potentially lower but has a large variability according to recipes and ingredients. Nevertheless, in the last decade, the interest in dark chocolate as a potential functional food has constantly increased. In this review, we present the nutritional composition, factors influencing the bioavailability, and health outcomes of dark chocolate intake. We have extracted pro- and counter-arguments to illustrate these effects from both experimental and clinical studies in an attempt to solve the dilemma. The antioxidative and anti-inflammatory abilities, the cardiovascular and metabolic effects, and influences on central neural functions were selected to substantiate the main positive consequences. Beside the caloric density, we have included reports placing responsibility on chocolate as a migraine trigger or as an inducer of the gastroesophagial reflux in the negative effects section. Despite an extensive literature review, there are not large enough studies specifically dedicated to dark chocolate that took into consideration possible confounders on the health-related effects. Therefore, a definite answer on our initial question is, currently, not available.


Assuntos
Chocolate , Alimento Funcional , Animais , Cacau/química , Chocolate/efeitos adversos , Alimento Funcional/efeitos adversos , Humanos , Polifenóis/farmacologia
18.
Nutrition ; 65: 74-84, 2019 09.
Artigo em Inglês | MEDLINE | ID: mdl-31029926

RESUMO

Bone loss resulting in increased risk for osteoporosis is a major health issue worldwide. Chocolate is a rich source of antioxidant and antiinflammatory flavonoids and dietary minerals with the potential to benefit bone health. However, other chocolate constituents such as cocoa butter, sugar, and methylxanthines may be detrimental to bone. Human studies investigating the role of chocolate consumption on serum bone markers and bone mineral density (BMD) have been inconsistent. A contributing factor is likely the different composition and thereby the nutrient and bioactive content among chocolate types. White and milk chocolate are high in sugar and low in flavonoids and most minerals. Dark chocolate (45-85% cocoa solids) is high in flavonoids, most minerals, and low in sugar with ≥70% cocoa solids resulting in higher fat and methylxanthine content. The aim of this review was to examine the relationship between chocolate consumption and its constiuents, including flavonoid content, on bone health and osteoporosis risk. Studies showed postmenopausal women had no bone effects at moderate chocolate intakes, whereas adolescents consuming chocolate had greater longitudinal bone growth. Based on flavonoid and mineral content, unsweetened cocoa powder appeared to be the best option followed by dark chocolate with higher cocoa content in terms of supporting and preserving bone health. Determining dietary recommendations for chocolate consumption relative to bone health is important because of the growing popularity of chocolate, particularly dark chocolate, and an expected increase in consumption owing to suggestions of health benefits against various degenerative diseases.


Assuntos
Densidade Óssea , Cacau/química , Chocolate/efeitos adversos , Dieta/efeitos adversos , Osteoporose/etiologia , Adolescente , Adulto , Dieta/métodos , Feminino , Flavonoides/efeitos adversos , Humanos , Masculino , Pessoa de Meia-Idade , Fatores de Risco , Xantinas/efeitos adversos , Adulto Jovem
20.
Br J Nutr ; 121(6): 654-661, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-30912735

RESUMO

Dark chocolate is claimed to have effects on gastrointestinal function and to improve well-being. This randomised controlled study tested the hypothesis that cocoa slows gastric emptying and intestinal transit. Functional brain imaging identified central effects of cocoa on cortical activity. Healthy volunteers (HV) ingested 100 g dark (72 % cocoa) or white (0 % cocoa) chocolate for 5 d, in randomised order. Participants recorded abdominal symptoms and stool consistency by the Bristol Stool Score (BSS). Gastric emptying (GE) and intestinal and colonic transit time were assessed by scintigraphy and marker studies, respectively. Combined positron emission tomography-computed tomography (PET-CT) imaging assessed regional brain activity. A total of sixteen HV (seven females and nine males) completed the studies (mean age 34 (21-58) years, BMI 22·8 (18·5-26·0) kg/m2). Dark chocolate had no effect on upper gastrointestinal function (GE half-time 82 (75-120) v. 83 (60-120) min; P=0·937); however, stool consistency was increased (BSS 3 (3-5) v. 4 (4-6); P=0·011) and there was a trend to slower colonic transit (17 (13-26) v. 21 (15-47) h; P=0·075). PET-CT imaging showed increased [18F]fluorodeoxyglucose (FDG) in the visual cortex, with increased FDG uptake also in somatosensory, motor and pre-frontal cortices (P<0·001). In conclusion, dark chocolate with a high cocoa content has effects on colonic and cerebral function in HV. Future research will assess its effects in patients with functional gastrointestinal diseases with disturbed bowel function and psychological complaints.


Assuntos
Córtex Cerebral/efeitos dos fármacos , Chocolate/efeitos adversos , Colo/efeitos dos fármacos , Trânsito Gastrointestinal/efeitos dos fármacos , Tomografia por Emissão de Pósitrons combinada à Tomografia Computadorizada/métodos , Adulto , Córtex Cerebral/diagnóstico por imagem , Colo/diagnóstico por imagem , Fezes , Feminino , Fluordesoxiglucose F18 , Voluntários Saudáveis , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...