The Effect of Thermomechanical Pretreatment on the Structure and Properties of Lignin-Rich Plant Biomass

Podgorbunskikh, Ekaterina; Bychkov, Aleksey; Ryabchikova, E. I.; Lomovsky, O. I.

doi:10.3390/molecules25040995

Cited by 19 publications

(4 citation statements)

References 29 publications

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“…The peculiar feature of Miscanthus is its enhanced lignin content, which must be taken into account in its conversion technology [ 75 ]. Very attractive results were reported by Singh et al [ 76 ], who devised a method by which paper sheets derived from Miscanthus × giganteus cellulose fibers were prepared for potential contact with foods.…”

Section: Miscanthus In Pulp and Paper Industrymentioning

confidence: 99%

Review of Current Prospects for Using Miscanthus-Based Polymers

et al. 2023

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Carbon neutrality is a requisite for industrial development in modern times. In this paper, we review information on possible applications of polymers from the energy crop Miscanthus in the global industries, and we highlight the life cycle aspects of Miscanthus in detail. We discuss the benefits of Miscanthus cultivation on unoccupied marginal lands as well as the rationale for the capabilities of Miscanthus regarding both soil carbon storage and soil remediation. We also discuss key trends in the processing of Miscanthus biopolymers for applications such as a fuel resources, as part of composite materials, and as feedstock for fractionation in order to extract cellulose, lignin, and other valuable chemicals (hydroxymethylfurfural, furfural, phenols) for the subsequent chemical synthesis of a variety of products. The potentialities of the biotechnological transformation of the Miscanthus biomass into carbohydrate nutrient media and then into the final products of microbiological synthesis are also examined herein.

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Section: Miscanthus In Pulp and Paper Industrymentioning

confidence: 99%

Review of Current Prospects for Using Miscanthus-Based Polymers

et al. 2023

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“…Native fiber, especially insoluble fiber, has limited application in food processing due to the high structural order (Khan et al., 2017; Mu et al., 2019) and higher melting and glass transition temperature (Podgorbunskikh et al., 2020; Suryadi et al., 2018; Szcześniak et al., 2008). The lack of chemical incompatibility between starch and fiber is the primary reason for reduced ER values of direct‐expanded products with high fiber inclusion (Cruz & Fangueiro, 2016; Pai et al., 2009).…”

Section: Introductionmentioning

confidence: 99%

Influences of modified fiber inclusion with varying particle size on corn starch‐based extrudate expansion

Dey

et al. 2023

Journal of Food Science

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The inclusion of cellulose nanocrystals (CNC) and microcrystalline cellulose (MCC) during extrusion processing of corn starch (CS) is presented in this study. Blends were prepared by incorporating CNC and MCC at different concentrations, 1%, 3%, 5%, and 10% w/w in CS. The crystallinity index (CrI) of CNC and MCC was determined using X-ray diffraction, and the chemical functionality of CNC, MCC, and CS was studied using Fourier transform infrared spectroscopy. The pasting properties of the blends were studied using Micro Visco-Amylo-Graph before extrusion. The blends were preconditioned to 18 ± 0.5% (w.b.) moisture and extruded using a twin-screw extruder at 200 and 250 rpm at 140 • C. CS-CNC's expansion ratio (ER) values were 2.95 to 3.35 and 2.72 to 3.22 for MCC. CNC's CrI and particle size were significantly lower than MCC, allowing CNC-based extrudates to have ER values similar to the control even at high CNC concentration (≤10% w/w). This study demonstrated that fiber with particle size <100 µm can be added in direct-expanded product formulations at high concentrations without negatively influencing the extrudate texture while offering increased nutritional value. K E Y W O R D Scellulose fibers, direct-expanded products, extrusion expansion, extrusion processing, starch Practical Application: This study gives insight into the potential application of cellulose nanocrystals and microcrystalline cellulose in manufacturing direct-expanded extruded products, providing high fiber content without compromising the product quality. This knowledge could also be translated into manufacturing other food products such as breakfast cereals, pasta, and bread.

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“…These plants are usually subjected to cold stress at temperatures below 10°C, or even higher ( Zhuang et al., 2021 ).Cold damage leads to complex changes in plant morphology, physiology and biochemistry, which trigger complex cellular tissue dysfunction in plants ( Knight and Knight, 2012 ), such as epidermal tissue damage or even necrosis in plant organs ( Chen et al., 2020b ). Plants establish cold acclimation in order to overcome the stress caused by exposure to freezing-injurious environments through complex biological system regulation that induces changes affecting biomass such as lignin in nutrient organs such as rhizomes ( Podgorbunskikh et al., 2020 ), as well as changes in photosynthesis, enzyme activity, carbon metabolism, and protein metabolism in vivo ( Theocharis et al., 2012 ).…”

Section: Introductionmentioning

confidence: 99%

ISSR molecular markers and anatomical structures can assist in rapid and directional screening of cold-tolerant seedling mutants of medicinal and ornamental plant in Plumbago indica L.

Lai

et al. 2023

Front. Plant Sci.

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Plumbago indica L. is a perennial herb with ornamental and anticancer medicinal functions widely distributed in the tropics. It is affected by temperature and cannot bloom normally in colder subtropical regions, which seriously affects its ornamental value. To create low-temperature resistance mutants and enrich new germplasm resources, this study used tissue culture and chemical reagent (0.5 mmol/L NaN3) and low-temperature stress (0°C, full darkness for 48h) induction to target and screen for cold-resistance mutants. The results showed that the ISSR band polymorphism ratio of the 24 suspected mutant materials was 87.5%. The DNA profiles of the 9 mutants initially identified were altered. The content of plumbagin in the stems and leaves of the mutants was examined, and it was found that the accumulation in the leaves of the mutant SA24 could be as high as 3.84 times that of the control, which was 0.5991%. There were significant differences in the anatomical structures of roots, stems and leaves. The mutants mostly exhibited reduced root diameter (only 0.17-0.69 times that of CK), increased stem diameter (up to 2.19 times that of CK), enlarged mesophyll cells, increased thickness (up to 1.83 times that of CK) and high specificity, which are thought to be important for the different cold resistance obtained by the mutants. In the cold resistance experiment, four cold-tolerant mutants were successfully screened according to their morphological characteristics and physiological indexes, and the mutagenesis efficiency could be as high as 2.22% and did not affect the accumulation of plumbagin in their stems and leaves, even higher than CK. The responses of the screened mutants SA15, SA19, SA23 and SA24 to low temperature showed slower leaf wilting, higher light energy conversion efficiency, less accumulation of MDA content, increased enzymatic activities of antioxidant enzymes (SOD, CAT, POD) and more accumulation of soluble sugars and proline content. These characteristics are consistent with the response of cold-resistance plants to low temperatures. The cold- resistance mutants cultivated in soil were observed of agronomic and ornamental traits for one year, mainly manifested as delayed flowering and delayed entry into the senescence stage. This study provides a more rapid and accurate technique for identifying and screening cold-tolerant mutants, and lays the foundation for future experiments on the creation of new cold-resistant varieties.

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The Effect of Thermomechanical Pretreatment on the Structure and Properties of Lignin-Rich Plant Biomass

Cited by 19 publications

References 29 publications

Review of Current Prospects for Using Miscanthus-Based Polymers

Review of Current Prospects for Using Miscanthus-Based Polymers

Influences of modified fiber inclusion with varying particle size on corn starch‐based extrudate expansion

ISSR molecular markers and anatomical structures can assist in rapid and directional screening of cold-tolerant seedling mutants of medicinal and ornamental plant in Plumbago indica L.

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