Article (Scientific journals)
Genotype contribution to the chemical composition of banana rachis and implications for thermo/biochemical conversion
Tiappi Deumaga, Mathias; Happi Emaga, Thomas; Tchokouassom, Raphael et al.
2015In Biomass Conversion and Biorefinery, 5 (4), p. 409-416
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Keywords :
Banana rachis; Genotype; Biorefinery; Saccharification; Thermogravimetry
Abstract :
[en] Chemical composition of banana rachis from three varieties (Grande naine, Pelipita, and CRBP969) was ana- lyzed, and the genotype contribution to composition variabil- ity was investigated. Wet chemistry and instrumental analysis procedures (X-ray diffraction, 31P NMR spectroscopy, and thermogravimetry) were used. Some significant differences were found among the three genotypes: GN-AAA genotype was found to be significantly the highest in ash fraction (30.16 %) and the lowest in acid insoluble lignin (6.58 %) at 95 % confidence level. It showed also the highest content in potassium (43.5 % in ash). Implication of compositional dif- ferences on valorization efficiency by biochemical or thermo- chemical pathways was investigated. For this purpose, corre- lation coefficients between compositional characteristics and yields in volatile compounds from pyrolysis and glucose yields from enzymatic saccharification were analyzed. Ash content was revealed to be the main drawback parameter for volatile yields from pyrolysis (r = −0.93), while for glucose yields during saccharification were limited mainly by the con- tent in guaiacyl units of the lignin fraction (r = −0.98). How- ever, a strong and positive correlation was established be- tween the volatiles yield and the acid insoluble lignin content (r = 0.98) Thus, according to these observations and based on their compositional significant differences, GN-AAA was the better candidate for bioconversion pathway while PPT-ABB and CRBP969-AAAB samples were shown to be better can- didates for thermochemical conversion pathway. This work gives important preliminary information for considering ba- nana rachis as an interesting feedstock candidate for biorefinery.
Disciplines :
Agriculture & agronomy
Author, co-author :
Tiappi Deumaga, Mathias ;  Université de Liège - ULiège > Form. doct. sc. agro. & ingé. biol.
Happi Emaga, Thomas
Tchokouassom, Raphael
Vanderghem, Caroline ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Aguedo, Mario ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Gillet, Sébastien ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Jacquet, Nicolas  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Danthine, Sabine  ;  Université de Liège - ULiège > Chimie et bio-industries > Science des alim. et formul.
Deleu, Magali  ;  Université de Liège - ULiège > Chimie et bio-industries > Biophysique moléc. numér.
Richel, Aurore  ;  Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Language :
English
Title :
Genotype contribution to the chemical composition of banana rachis and implications for thermo/biochemical conversion
Publication date :
2015
Journal title :
Biomass Conversion and Biorefinery
ISSN :
2190-6815
eISSN :
2190-6823
Publisher :
Springer, Berlin, Germany
Volume :
5
Issue :
4
Pages :
409-416
Peer reviewed :
Peer reviewed
Commentary :
Financial support and scholarship for these studies (Project: Valorization of banana residues and contribution to local sus- tainable development) were provided by the Commission Universitaire pour le Développement (CUD) from Belgium. The authors are also grate- ful to the laboratory of post harvest technology, CARBAP-Cameroon and also to the research staff from the Industrial Chemistry and Biology lab- oratory and Analytical Chemistry Laboratory (GxABTech, ULg, Belgium). Magali DELEU thanks the BFond National de la Recherche Scientifique^ from Belgium for her position as Research Associate.
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