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Industrial Crops and Products
Elsevier Science Publishers
Industrial Crops and Products

Elsevier Science Publishers

0926-6690

Industrial Crops and Products/Journal Industrial Crops and ProductsSCIISTPEI
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    The preparation and mechanism of garlic-templated fluorescent nanoparticles for degradation of Coriolus versicolor via one-pot

    Zhao X.Wang L.Wang Y.
    10页
    查看更多>>摘要：? 2022 Elsevier B.V.The preparation of wood preservatives from plant extracts has gained popularity in wood protection research because of the advantages of environmental protection. Various plant extracts exert antifungal effects. Nano-modification is an effective method of improving the antifungal properties of plant-derived wood preservatives. Using microwave technology, this study sought to synthesize garlic-templated fluorescent nanoparticles (garlic NPs) exhibiting excellent performance. Garlic NPs are used as wood preservatives, and their fluorescence allows for tracking the distribution and impregnation of garlic NPs in wood. Garlic NPs had nearly 60 times lower minimum inhibitory concentration than garlic extract. In addition, Garlic NPs exerted an effective antifungal effect at a concentration of 0.07 g/mL. The antifungal properties were improved and costs were noticeably reduced with nano-modification. The antifungal preservative inhibited growth by destroying the cell wall and membrane of Coriolus versicolor, which ultimately prevented fungal cell division. This method can be widely used in the nano-modification of other plant extracts.
      原文链接:
    • NSTL
    • Elsevier

    3D printing of crude lignocellulosic biomass extracts containing hemicellulose and lignin

    Gokce Bahcegul E.Ozkan N.Bahcegul E.
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.Using lignocellulosic biomass, which is composed mainly of cellulose, hemicellulose and lignin, as a biopolymer resource in various polymeric material applications is an attractive option due to its abundance, biodegradability and renewability. Cellulose is the most popular member of the biopolymer trio for material applications, but despite constituting around half of a lignocellulosic biomass, attention hemicellulose and lignin receive is restricted in this sense, which gets even more limited when it comes to their utilization for 3D printing. A novel practical procedure is developed to address this issue, which enables the 3D printing of the alkaline soluble portion of corn cobs in its crude form, without any purification or modification and without using any auxiliary polymers or additives. The alkaline soluble phase forms a thermoreversible cold-setting gel upon the partial evaporation of its water content. The gel shows adequate flow at mild temperatures during printing while retaining the intended shape at room temperature once it's deposited on to the build platform. A printing temperature 45 °C together with a water content of 83 % are determined as the ideal parameters for 3D printing of the extracts. Following the 3D printing process, the models are immersed in an ethanol bath to permanently fix their shape.
      原文链接:
    • NSTL
    • Elsevier

    Comparative plastome analyses and genomic resource development in wild rice (Zizania spp., Poaceae) using genome skimming data

    Lu R.Chen M.Zhang Y.Liu J....
    12页
    查看更多>>摘要：? 2022 Elsevier B.V.Wild rice (Zizania spp.), a major aquatic crop of North America and East Asia, has been globally recognized for its superior nutritional and health benefits. However, genomic resources available for molecular breeding and germplasm exploration of Zizania are still scarce, which have impeded the industrial and commercial production of wild rice. Here, we used a genome skimming strategy to retrieve plastome information (including whole plastome sequences, plastome-divergent hotspots and plastome-derived SSRs) of Zizania species/cultivars, and identify polymorphic nuclear SSRs within this genus. All the Zizania plastomes ranged in length from 136,278 to 136,502 bp, and exhibited the typical quadripartite structure with identical gene content, GC content, gene order, and IR/SC boundary structure. Eight common cultivars of Z. latifolia shared almost the same whole-plastome haplotype. Comparative plastome analyses of Zizania revealed that the top ten most variable regions (π > 7.65 × 10-3) are all intergenic regions (ndhC-trnV, ndhE-ndhG, ndhF-rpl32, psaA-ycf3, psaI-ycf4, psbK-psbI, rpl32-trnL, trnG-trnfM, trnR-rps14 and trnY-trnD). A total of 36, 35 and 29 plastome-derived SSRs were identified in Z. latifolia, Z. aquatica and Z. palustris, respectively. Based on multiple assembled nuclear sequences, we also developed 290 polymorphic nuclear SSRs within this genus. Phylogenomic analyses based on the whole plastome sequences and 77 protein coding genes strongly supported two well-supported Zizania clades, corresponding strictly to the East Asian clade of Z. latifolia, as well as the North American clade of Z. aquatica and Z. palustris. All Z. latifolia cultivars formed a monophyletic group, implying a single domestication origin of them. Overall, the accumulated genetic resources described here will not only facilitate further phylogeographic and population genetic studies on Zizania, but also be useful for commercial/industrial exploitation of this economically significant genus.
      原文链接:
    • NSTL
    • Elsevier

    Woven cattail leaf slips for large-scale, high-efficient and salt-resistant solar water evaporation

    Sun Y.Fan L.Zheng W.Ye D....
    10页
    查看更多>>摘要：? 2022 Elsevier B.V.Solar-driven water evaporation is considered as a potential and economical strategy for freshwater generation, seawater desalination as well as sewage treatment by powerful photothermal conversion. Herein, polypyrrole (PPy) coated woven cattail leaf (PPy@HCL) slips are proposed for solar evaporator. The cattail leaf slips are fabricated on a large scale via plain weaving craft, which demonstrates outstanding water supply capability because of the special honeycomb structure of the cattail leaves. The PPy@HCL slips exhibit small heat conductivity, excellent salt resistance and high solar absorption in UV–vis–NIR range. Consequently, an evaporation rate of ~2.20 kg m?2 h?1 and a corresponding efficiency of 96.6 % under 1 sun irradiation are achieved for the rolled PPy@HCL slips. Moreover, the PPy@HCL slips can be employed to produce freshwater from brine and wastewater. This study shows that the PPy@HCL slips have promising applications as low-cost biomass materials in large-scale and powerful solar evaporators.
      原文链接:
    • NSTL
    • Elsevier

    3D Weft-knitted spacer fabrics (WKSFs) coated with silica aerogels as oil intercepting sorbents for use in static and dynamic water tests

    Islam S.R.Patoary M.K.Farooq A.Ahmed K....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.Nowadays, industrial discharges, oil spills, and oily water wastages have constituted a dreadful hazard to the world's ecological environment. Therefore, three types of 3D weft-knitted spacer fabrics (WKSFs) were treated with silica aerogels (SAs) by a sol-gel process. Characteristics like oil absorption, retention, wetting, wicking, and interception were explored. Surface and physical properties were analyzed through SEM. The results revealed that all the samples have greater absorption and retention capacity, most specifically sample 2 (S2). The dynamic oil spreading rate exposed that the higher porosity (87.54%) and the higher silica add-on (38.75%) unveiled the higher wicking height (78.4 and 72.6 mm) for vegetable and engine oils. Further, the static water test exhibited the highest oil interception efficiency (98.80% and 99.79%) with an initial leakage time of 28 and 30 min while the dynamic water test exhibited the higher interception efficiency (98.75% and 99.67%) under the water flow rates of 150 mL/s, and with the initial leakage time of 14 and 17 min for both oils. Moreover, the statistical studies proved a significant verification (***P < 0.05) of treated 3D WKSFs at the 0.05 level. Hence, 3D WKSFs are an inordinate encouraging eco-friendly sorbent substantial for various oil clean-up uses in water treatment.
      原文链接:
    • NSTL
    • Elsevier

    Pyrogallol loaded thermoplastic cassava starch based films as bio-based oxygen scavengers

    Promsorn J.Harnkarnsujarit N.
    13页
    查看更多>>摘要：? 2022 Elsevier B.V.Extrusion of organic oxygen scavenging compounds with starch blend polymers possibly produced bio-based functional materials. Oxygen scavenging polymers were produced by compounding thermoplastic starch (TPS) loaded with pyrogallol (PG) at different concentrations (1–10% w/w) with linear low-density polyethylene (LLDPE) using an extrusion technique. Infrared absorption indicated that PG interacted with both TPS and LLDPE and improved compatibility. Incorporation of PG increased amorphous starch contents and linearly reduced the crystallinity of TPS/LLDPE polymers. Higher phase separation of PG and self-aggregates occurred above 3% PG, concurrent with limited polymer interaction. Microstructure, surface topography and mechanical relaxation were modified with increasing PG content. Oxygen absorption capacity was determined as scavenging rate, with residual oxygen contents at equilibrium during storage at 4, 25 and 50 °C. Oxygen absorption rates strongly depended on PG contents and temperature. Diffusion and interaction between oxygen and PG in the polymers were controlled by molecular mobility, reaction rates and microstructures of the film matrices. Compounding PG with hydrophilic and hydrophobic bio-based polymer blends effectively produced oxygen scavenging materials for functional active packaging of oxygen-sensitive products.
      原文链接:
    • NSTL
    • Elsevier

    Cellulose template designed porous ZnO based catalysts with different valence copper for solar photocatalytic CO2 conversion

    Shi C.Zhang L.Ma J.Wang Z....
    9页
    查看更多>>摘要：? 2022 Elsevier B.V.Designing a green method to enhance the utilization of photocatalysts on solar energy was of great significance to alleviate energy problems. The porous ZnO-based catalysts with different valence copper (CuO?ZnOCel-T and Cu?ZnOCel-T) were successfully obtained by using cellulose fibers as templates, which possessed three-dimensional structures and excellent photocatalytic activities. The dispersibility of CuO?ZnOCel-T nanoparticle was influenced by surface groups of cellulose template, the more active sites of composite catalyst were exposed than CuO?ZnO catalysts with carbon fiber as the template and CuO?ZnO powders without any template. Moreover, to explore the effects of different valence states of Cu on the photocatalytic activity of ZnO nanoparticles, wheat straw was used to reduce CuO?ZnOCel-T to Cu?ZnOCel-T by using pyrolysis reduction treatment of wheat straw. The CO production rate of Cu?ZnOCel-T (30.17 μmol*g?1h?1) was significantly higher than CuO?ZnOCel-T (8.61 μmol*g?1h?1) based on the same catalyst morphologies, indicating that the surface plasmon resonance (SPR) effect of Cu was more favorable for improving catalytic activities of ZnO than the structure effect of CuO?ZnOCel-T heterojunction. This work proposed an exciting idea for using biomass materials to tailor the photocatalytic performance of catalysts and reduce copper ions in a cleaner method.
      原文链接:
    • NSTL
    • Elsevier

    Oil from kopyor coconut (Cocos nucifera var. Kopyor) for cosmetic application

    Mahbub K.Octaviani I.D.Astuti I.Y.Sisunandar S....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.Kopyor coconut (KC)1 (Cocos nucifera var. Kopyor) is widely cultivated in Indonesia, Philippines, Malaysia, Sri Lanka, and Thailand. Known as ‘Macapuno’ coconut in Philipines, the characteristic of this wildtype coconut (WC)2 mutant variant can be differentiated by its scrambled endosperm. KC oil contains lauric acid and α-tocopherol, which exhibit estrogenic activity and increase skin collagen concentration. Thus, the development of KC oil as a topical cosmetical product is promising. We investigated the estrogenic potential of KC oil from its endosperm and defined the optimum formula for producing a lotion as a pilot for topical cosmetic products. A study of the physical properties of lotion produced from the optimum formula was then performed. The estrogenic activity of KC was determined by MCF-7 cell viability assay using 3-(4,5-Dimethylthiazol-2-yl)? 2,5-Diphenyltetrazolium Bromide (MTT)
      原文链接:
    • NSTL
    • Elsevier

    Preparation and performance of fluorescent transparent bamboo

    Wang Z.Tong J.Kuai B.Gao J....
    7页
    查看更多>>摘要：? 2022 Elsevier B.V.In this study, the fluorescent transparent bamboo (FTB) with exceptional fluorescent performance was innovatively developed by adding fluorescent powder. The bamboo strips with a thickness of 1-mm were delignified and impregnated with epoxy resin. Then different amounts of fluorescent powder were added during the treatment. The comparison test results showed that, when the added amount of fluorescent powder was 2 wt% of epoxy resin mass, the overall properties of FTB were the best, illustrating the light transmittance of 77.3 %, haze of 56.4 %, tensile strength of 72.5 MPa, and relatively long luminescent time. The FTB prepared by this method possessed certain durability of optical properties, good thermal dimensional stability and the thermal conductivity was as low as 0.186 W m?1 K?1. FTB has good hydrophobicity, that is, waterproof performance. It can be used for furniture, skirting and other building decoration materials.
      原文链接:
    • NSTL
    • Elsevier

    A novel polysaccharide from Boletus edulis: Extraction, purification, characterization and immunologic activity

    Yu S.Ma R.Dong X.Ji H....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.A novel polysaccharide (BEP) was extracted from Boletus edulis, and its structural characteristics and immunologic activity were evaluated. Our findings revealed that BEP (139 kDa) contained Man, Glc, and Gal in the molar ratio of 1:0.15:0.17 with typical characteristic absorption peaks of polysaccharides. Moreover, the results of methylation and 1D/2D NMR spectroscopy indicated that the backbone of BEP was →6)-α-Manp-(1→ and →3,6)-α-Manp-(1→, with the side chain →3)-β-Manp-(1→, →3)-α-Galp-(1→ and α-Glcp-(1→). The immunological activity tests demonstrated that the BEP could enhance phagocytosis of peritoneal macrophages and secrete NO and cytokines in a dose-dependent by activated macrophage. It was noteworthy that the secretions of NO, IL-6 and TNF-α at 400 μg/mL concentration were increased by 25.50%, 191.67% and 196.05% compared with the control group, respectively. The results illustrated that BEP was a novel polysaccharide, which may be marked as an immunologic agent in the food, pharmaceutical and cosmetic industries.
      原文链接:
    • NSTL
    • Elsevier