Production of mono sugar from acid hydrolysis of seaweed

Jang, Sung-soo; Shirai, Yoshihito; Uchida, Motoharu; Wakisaka, Minato

doi:10.5897/ajb10.1681

Cited by 21 publications

(5 citation statements)

References 17 publications

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“…Saccharification of macroalgae using sulfuric acid hydrolysis was successfully reported by Jang et al [33]. The sulphuric acid-catalysed hydrolysis of seaweed yielded significant quantities of levulinic acid (LVA), which confirms what was suggested in another, very similar study conducted by Yuan and Macquarrie [34].…”

Section: Acid Microwave Assisted Hydrolysissupporting

confidence: 76%

A comparative investigation of non-catalysed versus catalysed microwave-assisted hydrolysis of common North and South European seaweeds to produce biochemicals

et al. 2021

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Section: Acid Microwave Assisted Hydrolysissupporting

confidence: 76%

A comparative investigation of non-catalysed versus catalysed microwave-assisted hydrolysis of common North and South European seaweeds to produce biochemicals

et al. 2021

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“…In fact, both the GLF and the organic feed increased the organic matter of the soil significantly ( p < 0.05) compared to the control, as can be expected from organic fertilizers. The lack of fungal growth in the organic treatment might be a consequence of the form of carbon present—the organic feed was made with seaweed extract, and seaweeds only have complex carbohydrates in their composition that need to undergo a hydrolysis step to release free sugars (Jang et al., 2012). On the other hand, it has long been known that grass juice is relatively rich in soluble carbohydrates (Wilson & Webb, 1937).…”

Section: Discussionmentioning

confidence: 99%

Constraints using the liquid fraction from roadside grass as a bio‐based fertilizer

Scott

Souza

Meers

et al. 2023

J. Plant Nutr. Soil Sci.

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Background: Roadside grass cuttings are currently considered a waste product due to their association with road sweepings as contaminated waste, therefore, their potential as a biofertilizer is understudied.Aim: This study aimed to determine whether grass liquid fraction (GLF) collected from a roadside verge in Maldegem, Belgium, and pressed using a screw press was suitable as a biofertilizer. Methods:The characterization of the heavy metal content of the GLF was conducted using an ICP-OES. From May to September 2019, a pot experiment was set up using a randomized block design to compare tomato plant growth, yield, and nutrition for GLF-treated plants to two commercial fertilizers and tap water as a control. Results:The heavy metal content of the GLF was below the maximum permissible concentrations (MPCs) for organic fertilizers as set out by the European Comission fertilizer regulation 1069 and 1107 (European Comission, 2019. However, despite having a fairly well-balanced nutrient content (0.1% N, 0.04% P 2 O 5 , and 0.2% K 2 O), GLF had a negative effect on the growth, root weight, and yield of the tomato plants, killing six out of ten plants. GLF also promoted mold growth in the soil of some plants. Since the GLF was uncontaminated, heavy metal toxicity did not cause the negative effect.Conclusions: Previous research showed that liquid fractions from some plants negatively affect the growth of others due to allelopathic chemicals; this, together with the stimulation of fungal growth, could have caused the negative effects observed. Future experiments will investigate the herbicidal property of GLF and possible treatments to potentially recover the nutrients contained within the GLF for application as a biofertilizer.

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“…Algae take up CO 2 directly and often have very high productivity rates. Algae's ability to use HCO 3 directly enables 5-7-fold higher CO 2 absorption than wood (Jang et al, 2012) and biomass productivities nearly 4-fold higher than sugarcane (Adams et al, 2008). They can be grown without land or freshwater and do not compete for food production resources.…”

Section: Algaementioning

confidence: 99%

Perspectives on biorefineries in microbial production of fuels and chemicals

Decker,

Brunecky,

Yarbrough

et al. 2023

Front. Ind. Microbiol.

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Microbes drive our complex biosphere by regulating the global ecosystem through cycling elements and energy. Humankind has barely begun leveraging this biotransformation capacity to impact global economies and ecologies. Advances in genetic engineering, molecular analysis, metabolic flux modeling, microbial consortia/biome mapping and engineering, cell-free bioproduction, artificial intelligence/machine learning and the ever expanding -omics frontiers have set the stage for paradigm changes to how humankind produces, uses, transforms, and recycles carbon and energy through microbes. Harnessing this enormous potential could drive a global bioeconomy and manage carbon at a planetary level but requires understanding and application at a grand scale across a broad range of science and engineering disciplines. The penultimate manifestation of these advances is the “bio-refinery”, which is often referenced, but is a long way from being fully developed as a global carbon management platform. Broadening the feed stocks, processing operations, and product portfolio to a sequential cascade optimizing the conversion as a whole instead of limited outputs could greatly advance deployment and stability of a bioeconomy.

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Production of mono sugar from acid hydrolysis of seaweed

Cited by 21 publications

References 17 publications

A comparative investigation of non-catalysed versus catalysed microwave-assisted hydrolysis of common North and South European seaweeds to produce biochemicals

A comparative investigation of non-catalysed versus catalysed microwave-assisted hydrolysis of common North and South European seaweeds to produce biochemicals

Constraints using the liquid fraction from roadside grass as a bio‐based fertilizer

Perspectives on biorefineries in microbial production of fuels and chemicals

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