Mikroalge kao izvor visokovrijednih bioaktivnih supstancija

undergraduate thesis

• Title (english): Microalgae as a source of highly valuable bioactive substances
• Author: Anamarija Borić
• Mentor: Sunčica Beluhan (mentor)
• Granter: University of Zagreb; Faculty of Food Technology and Biotechnology; (Department of Biochemical Engineering); (Laboratory for Biochemical Engineering, Industrial Microbiology and Malting and Brewing Technology); Zagreb
• Defense date and country: 2024-07-10, Croatia
• Scientific / art field, discipline and subdiscipline: BIOTECHNICAL SCIENCES; Biotechnology

Abstract

Mikroalge pripadaju autotrofnim mikroorganizmima koji žive u morskim, slatkim vodama i ekosustavu tla te proizvode organske tvari putem fotosinteze. Zbog visoke metaboličke fleksibilnosti, prilagodbi različitim uvjetima uzgoja, kao i sposobnosti brzog rasta, broj istraživanja o njihovoj uporabi kao izvora biološki vrijednih proizvoda ubrzano se povećava. Trenutno su najinteresantnija proučavanja integriranih tehnologija za uzgoj mikroalgi s ciljem izolacije raznih biološki aktivnih tvari iz biomase, čime se povećava isplativosti proizvodnje mikroalgi. Posebice su zanimljivi industrijski sustavi uzgoja s visokom produktivnosti koji moraju biti popraćeni sposobnošću biološke kontrole biosinteze visokovrijednih spojeva u uvjetima intenzivnog rasta kulture. U ovom radu su prikazani glavni čimbenici (temperatura, pH, sastav medija) koji utječu na proces rasta biomase i sintezu biološki aktivnih tvari u mikroalgama. Opisane su metode uzgoja, te prednosti i nedostaci postojećih, kao i različite metode za izolaciju glavnih biološki aktivnih tvari mikroalgi (proteini, lipidi, polisaharidi, pigmenti) i vitamini). Predstavljene su nove tehnologije i pristupi u svrhu uporabe mikroalgi kao sastojaka u proizvodima s dodanom vrijednošću.

Abstract (english)

Microalgae belong to autotrophic microorganisms that live in marine, freshwater, and soil ecosystems and produce organic substances through photosynthesis. Due to their high metabolic flexibility, adaptation to different growing conditions, and ability to grow quickly, the number of research studies on their use as a source of biologically valuable products is rapidly increasing. Currently, the most interesting studies are integrated technologies for microalgae cultivation to isolate various biologically active substances from biomass, thereby increasing microalgae production's profitability. Particularly interesting are industrial cultivation systems with high productivity, which must be accompanied by the ability to biologically control the biosynthesis of high-value compounds under conditions of intensive culture growth. This paper presents the main factors (temperature, pH, medium composition) that affect the biomass growth process and the synthesis of biologically active substances in microalgae. Cultivation methods describe the advantages and disadvantages of existing ones and different methods for isolating the main biologically active substances of microalgae (proteins, lipids, polysaccharides, pigments) and vitamins). New technologies and approaches for using microalgae as ingredients in value-added products are presented.

• Keywords: mikroalge; uzgoj; biološki aktivni spojevi; pigmenti; visokovrijedni proizvodi
• Keywords (english): microalgae; cultivation; biologically active compounds; value-added products
• Language: croatian
• URN:NBN: urn:nbn:hr:159:339262
• Study programme: Title: Biotechnology; Study programme type: university; Study level: undergraduate; Academic / professional title: sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka biotehnologije (sveučilišni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka biotehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2024-11-11 13:20:20