Evaluation of effect of coffee and tea consumption on individuals with type 2 diabetes and insulin resistance: A cross-sectional study

Abstract

Tea and coffee, widely consumed around the world, were thought to affect glucose usage and metabolism in individuals with type 2 diabetes. Objective: To determine the relationship between coffee and tea consumption with anthropometric and biochemical values individuals with type 2 diabetes and insulin resistance was aimed. Method: The study was conducted with face-to-face questionnaires with individuals (ages 18-65), having type 2 diabetes or insulin resistance who applied to the Ege University Endocrinology and Metabolic Diseases Clinic between December 2015-2016. Results: Volunteers (n=300, average age 45.0) had type 2 diabetic (54.0%) uses oral antidiabetic (65.0%), basal insulin (14.3%), multiple injectable (15.6%) therapies. Medical nutrition therapy was not performed (62.7%). The participants consume Turkish coffee (48.3%) tea (73.0%) granulated coffee (84.7%) without sugar. Averages of Body Mass Index, waist circumference, fat ratio mean was determined as (n=300) 33.6 kg / m2, (n=299) 108.6 cm, (n=287) 39.1% respectively. HbA1c, total cholesterol, triglyceride, HDL cholesterol, LDL cholesterol, systolic and diastolic blood pressure averages were (n=274) 6.3%, (n=252) 207.7 mg / dL, (n=253) 166.8 mg / dL, (n=249) 50.1 mg / dL, (n=247) 126.1 mg / dL, (n=288) 123.7 mmHg, (n=288) 80.3 mmHg respectively. Individuals consumed mL/daily average of 187.5 7 (n=70) green tea, 564.7 (n=288) black tea, 53.0 (n=240) Turkish coffee, 206.5 (n=115) granulated coffee. The normal state of body fat was found to be significantly higher in those who consumed ≥800 mL of black tea daily, than those consumed <800 mL (p <0.05). Conclusion: Further studies are needed to determine effects of tea and coffee.

Keywords

• Type 2 diabetes
• insulin resistance
• coffee
• tea

Project Number

16/ECZ/001 nolu proje

Kahve ve çay tüketiminin tip 2 diyabet ve insülin direnci olan bireylerdeki etkisinin kesitsel bir çalışma ile değerlendirilmesi

Abstract

Tüm dünyada yaygın olarak tüketilen çay ve kahvenin tip 2 diyabetli bireylerde glikoz kullanımı ve metabolizmasını etkileyebileceği düşünülmüştür. Amaç: Tip 2 diyabet veya insülin dirençli bireylerde kahve ile çay tüketiminin antropometrik ve biyokimyasal değerlerle ilişkisinin saptaması amaçlanmıştır. Yöntem: Çalışma Ege Üniversitesi Endokrinoloji ve Metabolizma Hastalıkları BD polikliniğine 2015-2016 Aralık tarihleri arasında başvuran (18-65 yaş arası) tip 2 diyabetli ve insülin direnci olan bireylere veri toplama formu ile uygulanarak yürütülmüştür. Bulgular: Gönüllülerin (n=300, yaş ortalaması 45.0) %54.0’ü tip 2 diyabetiktir; %65.0’i oral antidiyabetik, %14.3’ü bazal insülin, %15.6’sı ise multipl enjektabl tedavisi kullanmaktadır. Tıbbi beslenme tedavisinin %62.7’si uygulanmamaktadır. Katılımcıların %48.3’ü Türk kahvesini, %73.0’ü çayı, %84.7’si granül kahveyi şekersiz tüketmektedir. Beden kütle indeksi (BKİ), bel çevresi, yağ oranı ortalaması sırasıyla (n=300) 33.6 kg/m2, (n=299) 108.6 cm, (n=287) %39.1 belirlenmiştir. HbA1c, total kolesterol, trigliserit, HDL kolesterol, LDL kolesterol, sistolik ve diyastolik kan basıncları ortalamaları sırasıyla (n=274) %6.3, (n=252) 207.7 mg/dL, (n=253) 166.8 mg/dL, (n=249) 50.1 mg/dL, (n=247) 126.1 mg/dL, (n=288) 123.7 mmHg, (n=288) 80.3 mmHg olarak saptanmıştır. Bireylerin günlük mL tüketim ortalaması 187.5 7 (n=70) yeşil çay, 564.7 (n=288) siyah çay, 53.0 (n=240) Türk kahvesi, 206.5 (n=115) granül kahvedir. Günlük ≥800 mL siyah çay tüketenlerde <800 mL siyah çay tüketenlere göre vücut yağ oranının normal olma durumu anlamlı olarak yüksek saptanmıştır (p<0.05). Sonuç: Kahveyle çayın etkisini saptamak amacıyla kapsamlı çalışmalara ihtiyaç vardır.

Keywords

• Tip 2 diyabet
• insülin direnci
• kahve
• çay

Supporting Institution

Bu çalışma Ege Üniversitesi Bilimsel Araştırma Projeleri Koordinatörlüğü 16/ECZ/001 nolu proje tarafından desteklenmiştir.

Project Number

16/ECZ/001 nolu proje

Thanks

İstatistiksel analiz konusunda desteklerinden dolayı Dr. Kıvanç Yüksel’e teşekkür ederiz

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