Utjecaj prehrambenih navika i stupnja uhranjenosti na sastav crijevne mikrobiote

master's thesis

• Title (english): Effect of dietary habits and body mass index on intestinal microbiota
• Author: Ana Samodol
• Mentor: Ivana Rumora Samarin (mentor)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Food Quality Control); (Laboratory for Food Chemistry and Biochemistry); Zagreb
• Defense date and country: 2018-09-26, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Nutrition

Abstract

Crijevna mikrobiota je složena zajednica mikroorganizama koja čini neizostavni dio gastrointestinalnog trakta svakog pojedinca. Istraživanjima je utvrđeno da sastav i stabilnost crijevne mikrobiote znatno utjeću na zdravlje čovjeka. U zdravog pojedinca sastav crijevne mikrobiote je relativno stabilan no crijevna mikrobiota je podložna različitim egzogenim i endogenim čimbenicima, od kojih se posebno izdvaja prehrana. U ovom radu analiziran je sastav crijevne mikrobiote, prehrambene navike, unos energije, makronutrijenata, prehrambenih vlakana te pojedinih skupina namirnica u ispitanika mlađe životne dobi s obzirom na stupanj uhranjenosti. Analizom prehrane i prehramebnih navika nije utvrđena značajna razlika između ispitanika s obzirom na različiti stupanj uhranjenosti, izuzev unosa mlijeka i mliječnih proizvoda. Analiza crijevne mikrobiote je pokazala razliku u omjeru Firmicutes/Bacteroidetes između pretile i pothranjene skupine, no nije utvrđena značajna poveznica između prehrane i prehrambenih navika sa sastavom crijevne mikrobiote.

Abstract (english)

Intestinal microbiota is a complex community of microorganisms which makes an important part of the gastrointestinal tract of the host. Studies have shown that composition and stability of the intestinal microbiota have a significant effect on human health. In a healthy individual, the composition of the gastric microbial is relatively stable, but the intestinal microbita depends on various exogenous and endogenous factors, of which nutrition is asumed to be the main factor. In this work, the composition of the intestinal microbiota and the intake of energy, macronutrient and dietary fiber as well as food from different groups was analysed and compared among population divided according to the Body Mass Index. While dietary analysis did not confirm a significant difference in diet and dietary habits among subjects of different degrees of nutrition, intestinal microbiotics showed a difference between the Firmicutes/Bacteroidetes ratio between the obese and the underweight group. However, no significant correlation has been established beetwen diet and dietary habits with intestinal microbota.

• Keywords: prehrambene navike; crijevna mikrobiota
• Keywords (english): dietary habits; intestinal microbiota
• Language: croatian
• URN:NBN: urn:nbn:hr:159:849153
• Study programme: Title: Nutrition; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra nutricionizma (magistar/magistra nutricionizma)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2019-11-15 12:24:33