Browsing by Author "Boubieb, Naima"

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    Characterization of cardinal vine shoot waste as new resource of lignocellulosic biomass and valorization into value-added chemical using Plackett–Burman and Box Behnken
    (Springer, 2021) Didaoui, Amine; Amrane, Abdeltif; Aksil, Tounsia; Boubieb, Naima
    The objective of this work was to valorize a waste from cardinal vine shoot into a hydrolysate rich in reducing sugars. Plack- ett–Burman design was considered to identify the significant factors, while a Box Behnken design was considered to optimize the extraction in the following experimental conditions: 100 °C, 750 rpm, trifluoracetic acid (CF 3 O 2 H) concentration (TFA) in the range (1–10%), for 20 to 180 min and considering the following solid–liquid (S/V) ratios (1:1, 3:1, 5:1). The optimal result was 2.53% in sugars equivalent to a yield of 50.64% per gram of dry matter. Shoot vine waste was characterized by attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), X-ray diffraction (XRD), simultaneous thermal analysis (STA), and X-ray fluorescence (XRF). The chemical composition was 43.38% cellulose, 23.58% hemicel- lulose, 21.22% lignin, 2.53% ash, 5.82% crude protein, 11.7% moisture, and extractives (0.81% fat, 0.56% total sugars, 2.3% extractive (hexane-ethanol)). The promising potential of shoot vine waste to produce sugar and other added-value compounds was demonstrated.
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    Correction to: characterization of cardinal vine shoot waste as new resource of lignocellulosic biomass and valorization into value-added chemical using Plackett–Burman and Box Behnken
    (Springer Nature, 2023) Didaoui, Amine; Amrane, Abdeltif; Aksil, Tounsia; Boubieb, Naima
    The objective of this work was to valorize a waste from cardinal vine shoot into a hydrolysate rich in reducing sugars. Plackett–Burman design was considered to identify the significant factors, while a Box Behnken design was considered to optimize the extraction in the following experimental conditions: 100 °C, 750 rpm, trifluoracetic acid (CF3O2H) concentration (TFA) in the range (1–10%), for 20 to 180 min and considering the following solid–liquid (S/V) ratios (1:1, 3:1, 5:1). The optimal result was 2.53% in sugars equivalent to a yield of 50.64% per gram of dry matter. Shoot vine waste was characterized by attenuated total reflection-Fourier transform infrared spectroscopy (ATR-FTIR), X-ray diffraction (XRD), simultaneous thermal analysis (STA), and X-ray fluorescence (XRF). The chemical composition was 43.38% cellulose, 23.58% hemicellulose, 21.22% lignin, 2.53% ash, 5.82% crude protein, 11.7% moisture, and extractives (0.81% fat, 0.56% total sugars, 2.3% extractive (hexane-ethanol)). The promising potential of shoot vine waste to produce sugar and other added-value compounds was demonstrated.