Influence of maize hybrid on bioethanol yield and quality of dried distillers' grains

Abstract

IzvodKukuruz (Zea mays L.) je jedna od najznačajnijih ratarskih biljaka koja se svrstava u veoma važne obnovljive ugljenohidratne sirovone za proizvodnju energije i mnogobrojnih proizvoda različite namene. Bioetanol je biogorivo koje se najviše koristi kao zamena za fosilna goriva. Trend proizvodnje ovog goriva je rastući, a kukuruz zahvaljujući visokom sadržaju skroba u zrnu, predstavlja jednu od najboljih obnovljivih sirovina za njegovu proizvodnju. Suva kukuruzna džibra je najznačajniji sporedni proizvod dobijanja bioetanola iz kukuruza. Zahvaljujući visokoj hranljivoj vrednosti, sadržaju proteina i drugih hranljivih materija, predstavlja kvalitetno hranivo koje može naći primenu kao komponenta u smešama za ishranu životinja.U cilju ispitivanja uticaja hibrida kukuruza na kvalitet zrna, fermentaciona svojstva, prinos bioetanola i kvalitet suve kukuruzne džibre korišćeno je zrno pet hibrida kukuruza stvorenih u Institutu za kukuruz "Zemun Polje". Najnižu koncentraciju bioetanola u fermentacionom medijumu nakon 44h alkoholnog vrenja (8,64 % w/w) ostvario je hibrid ZP 560 a najvišu ZP 600 (9,10 % w/w). U odnosu na maksimalni teorijski prinos najviši je imao hibrid ZP 606 (93,59%), a najniži ZP 505 (87,33%). Najveća in vitro svarljivost suve materije kukuruzne džibre određena je u uzorku dobijenom od hibrida ZP 505 (82,41%), a najniža (77,12%) u uzorku džibre hibrida ZP 606. Hemijski sastav i fi zičke karakteristike zrna, kao i drugi parametri procesa proizvodnje uticali su na prinos bioetanola.Ključne reči: hibridi kukuruza, bioetanol, suva kukuruzna džibra.Originalan naučni rad (Original scientifi c paper) 1 Semenčenko V., Radosavljević M., Terzić D., Milašinović-Šeremešić M., Mladenović Drinić S., Institut za kukuruz Zemun Polje, S. Bajića 1, 11185 Beograd 2 Mojović Lj., Univerzitet u Beogradu, Tehnološko-metalurški fakultet,

Grain properties of new inbred lines in comparison with maize hybrids

“…Protein content results are in accordance with findings of Milenković et al (2014). Results of kernel the chemical composition are in accordance with results of the studies previously conducted in the Maize Research Institute (Milašinović Šeremešić et al, 2019, Semenčenko et al, 2015a, 2015b.…”

Grain properties of yellow and red kernel maize hybrids from Serbia

“…No significant differences were detected regarding kernel structure between yellow and red maize hybrids . The results of the physical traits and kernel structure of red and yellow kernel hybrids are in accordance with previous findings on ZP maize hybrids (Milašinović Šeremešić et al ., 2019Šeremešić et al ., , Semenčenko et al ., 2015aŠeremešić et al ., , 2015b .…”

“…The highest protein content was detected in ZP 606 (10 .72±0 .11) and the lowest in ZP 7007 red hybrid (8 .63±0 .04%) . The protein content of ZP hybrids previously studied was in similar ranges (Milašinović Šeremešić et al ., 2019, Semenčenko et al ., 2015a, 2015b . Hybrid ZP 366 red had the highest oil content (6 .22±0 .24%), while hybrid ZP 7007 red had the lowest oil content 5 .52±0 .06% .…”

“…et al . (Milašinović Šeremešić et al ., 2019, Semenčenko et al ., 2015a, 2015b . Insignificant differences between physical traits and chemical composition of yellow and red kernel hybrids can be attributed to the fact that red grain hybrids were created from their yellow analogues, and therefore inherited most of their parental properties .…”

The role of maize hybrids in current trends of bioethanol production

“…The share of protein in DDGS has more than doubled concerning wholegrain maize flour as a starting material . Quality DDGS obtained from ZP maize hybrids can be used for the preparation of complete and concentrated mixtures for feeding different types and categories of domestic animals (Semenčenko et al ., 2015, Semenčenko, 2013 .…”