Chemical characterization and hydrothermal pretreatment of Salicornia bigelovii straw for enhanced enzymatic hydrolysis and bioethanol potential

Cybulska, Iwona; Chaturvedi, Tanmay; Brudecki, Grzegorz; Kádár, Zsófia; Meyer, Anne S.; Baldwin, R.M.; Thomsen, Mette Hedegaard

doi:10.1016/j.biortech.2013.11.071

Cited by 52 publications

(35 citation statements)

References 27 publications

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“…Some Salicornia species (e.g., S. bigelovii) are grown at the commercial scale to produce biofuel, livestock feeding, and for salt and oil extraction [11]. A recent study reports the suitability of some Salicornia species as bio-indicators of zinc and copper, also emphasizing their potential for soil phytoremediation from these metals [12].…”

Section: Introductionmentioning

confidence: 99%

Assessing Salicornia europaea Tolerance to Salinity at Seed Germination Stage

Calone¹,

Sanoubar²,

Noli³

et al. 2020

Agriculture

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Salicornia europaea, a halophytic species, was investigated to assess its ability to withstand salinity during seed germination, and to identify suitable indices to interpret salt tolerance at this delicate stage. Seed germination indices (germination percentage (GP), germination energy (GE), germination value (GV), coefficient of germination velocity (CVG), germination rate index (GRI), germination peak value (GPV), mean germination time (MGT), and time to 50% germination (T50)) were calculated under increasing salinity (0, 100, 200, 300, 400, and 600 mM NaCl). Principal component analysis (PCA) was used to describe the relationships involving the variables that account for data variance. Two salinity thresholds were identified (100 and 600 mM NaCl) determining significant decreases in all the indices, except for T50 and MGT. In fact, PCA based on generated correlation circle showed significant negative correlations (r close to −1) between salt stress and GP, GE, GRI, PV, GV, and CVG, whereas no correlation was observed with T50 and MGT (r close to zero). Based on this, GP, GE, GRI, PV, GV, and CVG can be considered useful traits to assess salt tolerance during germination in S. europaea, while T50 and MGT, that were not affected by the range of salinity levels investigated, should not be used for this purpose.

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Section: Introductionmentioning

confidence: 99%

Assessing Salicornia europaea Tolerance to Salinity at Seed Germination Stage

Calone¹,

Sanoubar²,

Noli³

et al. 2020

Agriculture

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“…In China, there were eight pilot and demonstration plants in operation by December 2009, with a total capacity of 280,500 tons bioethanol per year [ 7 ]. Due to the typical geography and climate of the Middle East, researches have been focusing on using marine (e.g., macroalgae) biomass [ 8 ], halophytes (e.g., Salicornia bigelovii ) [ 9 ], and agricultural wastes (e.g., date palm fruit and sap) [ 10 , 11 ] to produce bioethanol.…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Pretreatment of Date Palm (Phoenix dactyliferaL.) Leaflets and Rachis to Enhance Enzymatic Digestibility and Bioethanol Potential

Fang¹,

Schmidt²,

Cybulska³

et al. 2015

BioMed Research International

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Date palm residues are one of the most promising lignocellulosic biomass for bioethanol production in the Middle East. In this study, leaflets and rachis were subjected to hydrothermal pretreatment to overcome the recalcitrance of the biomass for enzymatic conversion. Evident morphological, structural, and chemical changes were observed by scanning electron microscopy, X-ray diffraction, and infrared spectroscopy after pretreatment. High glucan (>90% for both leaflets and rachis) and xylan (>75% for leaflets and >79% for rachis) recovery were achieved. Under the optimal condition of hydrothermal pretreatment (210°C/10 min) highly digestible (glucan convertibility, 100% to leaflets, 78% to rachis) and fermentable (ethanol yield, 96% to leaflets, 80% to rachis) solid fractions were obtained. Fermentability test of the liquid fractions proved that no considerable inhibitors to Saccharomyces cerevisiae were produced in hydrothermal pretreatment. Given the high sugar recovery, enzymatic digestibility, and ethanol yield, production of bioethanol by hydrothermal pretreatment could be a promising way of valorization of date palm residues in this region.

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“…furfural, hydroxymethylfurfural (HMF), and levulinic acid, by thermochemical processes (Alvira et al 2010) or glucaric acid by fermentation processes (Gupta et al 2016a). Characterization of other arid region lignocellulosic biomass, Phoenix dactylifera and Salicornia bigelovii, has reported glucan and xylan values of 41.2 g_glucan/100_ gTS, 21.5 g_xylan/100_gTS and 9.1 g_glucan/100_gTS, 7.7 g_xylan/100_gTS, respectively (Ashraf et al 2016;Cybulska et al 2014). …”

Section: Resultsmentioning

confidence: 99%

Avicennia marina biomass characterization towards bioproducts

et al. 2017

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Avicennia marina is the only naturally occurring mangrove specie in the arid Arabian Gulf coast of the United Arab Emirates (UAE). Due to the water scarcity of this arid-region, A. marina is a precious biomass resource for the UAE that does not require fresh water for growing, and is able to grow in the Arabian Gulf high salinity conditions, over 40g/kg. This non-fresh water lignocellulosic arid-region bioresource may be used for the production of high valuable chemicals. The objective of the present manuscript is to characterize the lignocellulosic composition of Arabian Gulf A. marina, as a first attempt to highlight its importance in a biobased economy in arid regions. Avicennia marina stem, leaves and pneumatophors samples were collected from two locations in the United Arab Emirates. A. marina samples were chemically characterized for sugar composition, ash content and byproducts using standardized protocols. The analysis revealed that A. marina arabinan, xylan, glucan and lignin composition ranges, in g/100g_TS (TS: total solids), between 1-22, 5-18, 10-31, and 21-48, respectively. The highest composition of xylan and glucan (g/100g_TS) was obtained for stems and pneumatophors, 45 and 38, respectively. Xylan and glucan are the polymeric precursors for the production of high value chemicals, e.g. furfural and hydroxymethylfurfural (HMF), respectively. Under the characterization conditions, it was obtained furfural and HMF (g/100g_TS) in the ranges of 0.05-0.42, and 0.45-2.1, respectively.

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Chemical characterization and hydrothermal pretreatment of Salicornia bigelovii straw for enhanced enzymatic hydrolysis and bioethanol potential

Cited by 52 publications

References 27 publications

Assessing Salicornia europaea Tolerance to Salinity at Seed Germination Stage

Assessing Salicornia europaea Tolerance to Salinity at Seed Germination Stage

Hydrothermal Pretreatment of Date Palm (Phoenix dactyliferaL.) Leaflets and Rachis to Enhance Enzymatic Digestibility and Bioethanol Potential

Avicennia marina biomass characterization towards bioproducts

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