Kromometrične in biokemijske spremembe češenj cv. napoleonova in višenj cv. šumadinka med zorenjem : diplomska naloga = Chromometric and biochemical changes in sweet cherries cv. napolenova and sour cherries cv. šumadinka during ripenig : graduation thesis
Repič, Marija
V diplomski nalogi smo raziskovali spremembo parametrov kakovosti češenj kultivarja napoleonova in višenj kultivarja šumadinka med zorenjem v sadovnjaku Biotehniške fakultete v Ljubljani v sezoni ...1997/98. Preučen je bil vpliv stopnje zrelosti na barvo kožice in soka plodov, na spremembo mase, trdote mesa plodov, vsebnosti suhe snovi, skupnih kislin in pH vrednosti. Na osnovi opazovanih parametrov je bil določen optimalni čas obiranja. Med zorenjem se je barva kožice plodov spreminjala od zelene preko rumenih odtenkov do rdeče, povečali sta se masa in suha snov, zmanjšali pa trdota ter vsebnost skupnih kislin. Opazili smo, da je od trenutka, ko je dosežena največja absolutna razlika v barvi kožice plodov med dvema meritvama, značilno intenzivnejše povečanje deleža suhe snovi v plodovih, medtem ko začne vsebnost skupnih kislin padati. Rezultati so pokazali, da je barva soka odvisna od vsebnosti antocianov in od pH vrednosti, ki vpliva na njihovo izražanje.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [BF, Oddelek za živilstvo] : [M. Repič], 1999
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