2015
DOI: 10.5923/j.fph.20150502.03
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Study of an Extraction Process as the Pretreatment Step for Sugar Production from Acid Hydrolysis

Abstract: This work involves the residues of three plant species used in industry: Brazilian ginseng (Pfaffia glomerata), palm (Elaeis guineensis) and annatto (Bixa orellana L.). The studied plant residues come from oil and biocompounds extraction: Soxhlet extraction (SE), Pressurized liquid extraction (PLE) and Supercritical fluid extraction (SFE). The effects of these extraction processes on the structures of plant matrices were observed using scanning electron microscopy (SEM). Plant residues were subjected to acid h… Show more

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Cited by 12 publications
(5 citation statements)
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“…The porous structure and higher surface area of pores allows greater accessibility and better interactions of the SEPW fibers with the salt solution, resulting in its faster depolymerization than PW. This result is in agreement with a previous report demonstrating improved yields of saccharified monosaccharides from soxhlet‐extracted palm‐pressed fiber containing pores . Similarly, CP exhibits faster conversion owing to the processing of samples with much larger pores (Figure i).…”
Section: Figuresupporting
confidence: 93%
“…The porous structure and higher surface area of pores allows greater accessibility and better interactions of the SEPW fibers with the salt solution, resulting in its faster depolymerization than PW. This result is in agreement with a previous report demonstrating improved yields of saccharified monosaccharides from soxhlet‐extracted palm‐pressed fiber containing pores . Similarly, CP exhibits faster conversion owing to the processing of samples with much larger pores (Figure i).…”
Section: Figuresupporting
confidence: 93%
“…In Figure a, the native rice bran had a relatively complete structure, regular or compact shape and smooth surface, making it less ideal for oil extraction. In Figure b, the micro‐fractures and cracks appeared on HE‐treated rice bran as solvent penetrated, resulting in expanded cellular structure and partially dragging lipids and starches (Alcázar‐alay, Cardenas‐toro, Santos, & Meireles, ).…”
Section: Resultsmentioning
confidence: 99%
“…Configurations IIIA and IIIB also presented high biomass waste produced as only 23% of total amount of first step biomass residue was considered for LPSE extraction. The biomass residue formed by annatto seeds is extremely rich in carbohydrates [ 19 ]. In the present study, it was considered as fuel for the cogeneration system to close the heat balance in the process but it could be considered as a by-product with higher added-value and other biomass waste of the annatto seed production chain, i.e.…”
Section: Resultsmentioning
confidence: 99%