Reduced intake of dietary antioxidants can impair antioxidant status in type 2 diabetes patients

Zujko, Małgorzata Elżbieta; Witkowska, Anna; Górska, Maria; Wilk, Juliusz; Krętowski, Adam

doi:10.20452/pamw.2497

Cited by 23 publications

(20 citation statements)

References 11 publications

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“…A significant correlation was found between the dietary antioxidant potential and the antioxidant status of blood serum. 27 Thus, proper nutrition provided by dietary components which act as antioxidants can prevent the harmful effects of oxidative stress. Differences in the size of groups derive from the lack of data for some people; CVD -cardiovascular disease; CI -confidence interval.…”

Section: Discussionmentioning

confidence: 99%

Polyphenols and dietary antioxidant potential, and their relationship with arterial hypertension: A cross-sectional study of theadult population in Poland (WOBASZ II)

Waśkiewicz¹,

Zujko²,

Szcześniewska³

et al. 2019

Adv Clin Exp Med

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Background. Oxidative stress plays a key role in the development of most non-communicable diseases, including arterial hypertension (AH). Diet is the major source of exogenous antioxidants, which support the body in the elimination of excessive free radicals. Objectives. To assess dietary total antioxidant potential (DTAP) and dietary polyphenol intake (DPI), and to determine the relationship between DTAP, DPI and hypertension in the Polish adult population; to indicate dietary sources of DTAP and DPI in participants with and without AH. Material and methods. Within the frame of the National Multicenter Health Survey (WOBASZ II), a random sample of the whole Polish population aged 20 years and above was screened during the years 2013-2014. Dietary habits and blood pressure were assessed in 2,554 men and 3,136 women. Dietary total antioxidant potential and DPI were calculated according to the amount of food consumed by the participants combined with the antioxidant potential and polyphenol contents in foods. Results. The mean DTAP was 12.36 mmol/day in men and 12.27 mmol/day in women, and DPI was 2069 mg/day and 1989 mg/day, respectively. The DTAP and DPI were associated with reduced odds of AH in the Polish population. After adjusting for confounding variables, higher DTAP (by 1 mmol/day) had reduced odds of AH by 1.3% in men and by 1.8% in women and higher DPI (by 100 mg/day) by 1. 1% and by 2.2%, respectively. Regardless of sex and AH, the main sources of DTAP and DPI were beverages, especially coffee and tea (over 50%), fruit (12-24%) and vegetables (12-18%). Conclusions. The intake of food with high antioxidant potential and rich in polyphenols was associated, slightly but independently of other factors, with a lower chance of hypertension in the adult Polish population. Irrespective of sex and AH, coffee and tea were the basic dietary sources of the antioxidants.

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Section: Discussionmentioning

confidence: 99%

Polyphenols and dietary antioxidant potential, and their relationship with arterial hypertension: A cross-sectional study of theadult population in Poland (WOBASZ II)

Waśkiewicz¹,

Zujko²,

Szcześniewska³

et al. 2019

Adv Clin Exp Med

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“…The intake of energy and nutrients was calculated using the Dieta 5.0 software (developed by the National Food and Nutrition Institute in Warsaw, Poland). 7,8 The program analyzes the consumption levels of 84 nutrients as well as the energy intake (the total amount expressed as the percentage of energy coming from proteins, fats, and carbohydrates).…”

Section: Patients and Methods Patientsmentioning

confidence: 99%

Inappropriate pattern of nutrient consumption and coexistent cardiometabolic disorders in elderly people from Poland

Guligowska¹,

Pigłowska²,

Śmigielski³

et al. 2015

Polish Archives of Internal Medicine

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“…Health promotion activities are undertaken all over the globe to in-crease the dietary intake of dietary antioxidants, including vitamin C, during adulthood stage of life (18). Epidemiological studies have found significant associations of higher intake of vitamin C with reduced risk of oxidative stress mediated non-communicable diseases such as cancer, cardiovascular diseases, diabetes, and hypertension (19).…”

Section: Discussionmentioning

confidence: 99%

Low Nourishment of Vitamin C Induces Glutathione Depletion and Oxidative Stress in Healthy Young Adults

Waly¹,

Al-Attabi²,

Guizani³

2015

JFN

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The present study was conducted to assess the status of vitamin C among healthy young adults in relation to serum antioxidant parameters [glutathione (GSH), thiols, and total antioxidant capacity, (TAC)], and oxidative stress markers [malondialdehyde (MDA), and nitrites plus nitrates (NN)]. A prospective study included 200 young adults, and their dietary intake was assessed by using food diaries. Fasting plasma vitamin C, serum levels of GSH, thiols, TAC, MDA, and NN were measured using biochemical assays. It was observed that 38% of the enrolled subjects, n=76, had an adequate dietary intake of vitamin C (ADI group). Meanwhile, 62%, n=124, had a low dietary intake of vitamin C (LDI group) as compared to the recommended dietary allowances. The fasting plasma level of vitamin C was significantly higher in the ADI group as compared to the LDI group. Oxidative stress in the sera of the LDI group was evidenced by depletion of GSH, low thiols levels, impairment of TAC, an elevation of MDA, and increased NN. In the ADI group, positive correlations were found between plasma vitamin C and serum antioxidant parameters (GSH, thiols, and TAC). Meanwhile, the plasma vitamin C was negatively correlated with serum MDA and NN levels. This study reveals a significant increase of oxidative stress status and reduced antioxidant capacity in sera from healthy young adults with low intake of the dietary antioxidant, vitamin C.

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Reduced intake of dietary antioxidants can impair antioxidant status in type 2 diabetes patients

Cited by 23 publications

References 11 publications

Polyphenols and dietary antioxidant potential, and their relationship with arterial hypertension: A cross-sectional study of theadult population in Poland (WOBASZ II)

Polyphenols and dietary antioxidant potential, and their relationship with arterial hypertension: A cross-sectional study of theadult population in Poland (WOBASZ II)

Inappropriate pattern of nutrient consumption and coexistent cardiometabolic disorders in elderly people from Poland

Low Nourishment of Vitamin C Induces Glutathione Depletion and Oxidative Stress in Healthy Young Adults

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