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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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    Weavable and wearable strip-shaped supercapacitors from bamboo cellulose nanofibers

    Wang Q.Zheng Z.Zhao J.Li M....
    14页
    查看更多>>摘要：? 2022 Elsevier B.V.Cellulose nanofibers (CNFs), as an attractive renewable natural nanomaterial, are receiving intense research interests in various fields, including energy storage. Although great progress has been achieved in the past decade, there remains some technical challenges especially in the fabrication of weavable and wearable CNFs-based energy devices. Herein, we proposed a novel strategy to prepare a strip-shaped supercapacitor (SC) of this kind, which was intrinsically inspired by the traditional Chinese bamboo weaving. To this end, CNFs were first extracted from bamboo pulp and subsequently applied to stabilize the carbon nanotubes (CNTs) aqueous suspension. After vacuum filtration of the CNFs/CNTs suspension, cutting into strips, and then in situ growth of polyaniline (PANI), a ternary hybrid strip was finally obtained. This CNTs/CNFs-PANI strip was mechanically strong and flexible. It could be directly utilized as the electrode for the assembly of strip-shaped all-solid-state SCs, which showed both high flexibility and electrochemical stability. Interestingly, such SCs could be easily woven into a fabric to form a flexible and wearable energy supply device and successfully power wearable electronics.
      原文链接:
    • NSTL
    • Elsevier

    Estimating technological parameters and stem productivity of sugarcane treated with rock powder using a proximal spectroradiometer Vis-NIR-SWIR

    de Oliveira R.B.D'Avila R.C.Rodrigues M.Cezar E....
    9页
    查看更多>>摘要：? 2022 Elsevier B.V.This study aimed to evaluate the use of proximal Vis-NIR-SWIR spectroscopy to estimate technological parameters and tons of sugarcane per hectare (TSH) with the application of rock powder to the soil. It was carried out in an Arenosol area in Paranavaí, Brazil. The treatments were arranged within a split-plot system, designed in randomized blocks with four repetitions. For the experimental plots, inputs supplying calcium, magnesium, and sulfur were applied, whereas inputs supplying potassium were used for the subplots. The first and second cycles (sugarcane) were completed at 14 and 26 months, respectively, after the inputs application. During both growth cycles, technological parameters of the crop and of the TSH were determined. In addition, the stem spectrum of the crop was collected with a Vis-NIR-SWIR proximal spectroradiometer for later prediction of the parameters and TSH through the Partial Least Square Regression technique. It was possible to adjust models in the prediction phase with R2p > 0.50 and RPDp > 1.50 for all evaluated attributes, with emphasis on three variables, namely purity, reducing sugars, and brix, which had R2p and RPDp values above 0.86 and 2.75, respectively. The results show that proximal Vis-NIR-SWIR spectroscopy can be used to predict technological parameters and TSH of sugarcane with the application of rock powder. It offers advantages in relation to usual methods, since it is less time-consuming and low-cost, moreover it does not involve the use of toxic reagents.
      原文链接:
    • NSTL
    • Elsevier

    Physical properties of Ashwagandha seeds (Withania somnifera L.) – A medicinal crop

    Anandakumar T.M.Kumar D.Shivanna B.Kumar R....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.Ashwagandha (Withania somnifera L.) is a potential medicinal plant belongs to the Solanaceae family, offers various health benefits, such as enhancement of memory, improved blood sugar, and inhibition of inflammation, stress and anxiety, and boosted in muscle strength and fertility. Hence, the demand for the roots of ashwagandha is very high in the Indian market, thus the ashwagandha crop needs to be cultivated in a larger area to mitigate the demand of roots in Indian as well as foreign markets. To cultivate this crop in larger areas with less time and manpower consumption, mechanization of sowing operation is very much essential. In this regard, this study has been conducted to determine the physical properties of ashwagandha seeds (Five cultivars, namely NMITLI-101, NMITLI-118, CIM-Pushti, Pratap and Poshitha) for designing and developing of seed sowing equipment. The data collected were analyzed on R software based web application developed by department of agricultural statistics, college of agriculture, Vellayani, Keral Agricultural University, Vellanikkara, Kerala. Results revealed that cv. CIM-Pushti seed has significantly higher values as compared with other cultivars in major, minor, intermediate diameter, arithmetic mean diameter, and geometric mean diameters. Similarly, in the case of physical properties like sphericity, surface area, sample volume, and elongation ratio, cv. CIM-Pushti showed significantly higher values as compared with other cultivars whereas in the case of aspect ratio and flakiness ratio, cv. Poshita showed significantly higher values. In the case of gravimetric properties, cv. Pratap and NMITLI-118 resulted in higher values of test weight (1000 seeds weight) as compared with other cultivars. Further, cv. Pratap and CIM-Pushti have significantly higher values of bulk density and true density over other cultivars, respectively. These results are likely to be very much helpful for agricultural engineers to design various seed handling tools/machines like conveying machines, storage containers, processing machines and sowing equipment for Ashwagandha seeds.
      原文链接:
    • NSTL
    • Elsevier

    Metabolomics and transcriptomics analysis of vitro growth in pitaya plantlets with different LED Light spectra treatment

    Huang W.Yang G.Zheng L.Ma J....
    16页
    查看更多>>摘要：? 2022 Elsevier B.V.Dragon fruit or pitaya has important practical and economic value that is cultivated widely in the world. In order to meet the market demand for pitaya seedlings, vitro (tissue) culture is the most widely and practical technique, which cultivated in greenhouses and the intensity and quality of light is also important factor for plant photosynthesis. However, little information was obtained about the molecular and metabolite basis on the di?erent light spectra (quality) cultivation conditions in pitaya seedlings. Therefore, metabolomics and transcriptomics analyses were conducted in this study, to explore the effects of different light quality and wavelength ratios on the growth of pitaya plantlets. The results have shown that different light spectra can significantly change the growth, physiological and morphological in pitaya plants. Red light significantly inhibited biomass, stem diameter, and cross-sectional area (CSA) of pitaya plantlets, while blue light can alleviate this inhibition, and 1 Red+ 2 Blue mixture light (1R2B) had the best effect on pitaya plants. Red light also promoted plant height, while blue light inhibited this phenomenon. In addition, the results also showed that the red light significantly influences primary metabolic processes in pitaya plantlets, including glucose metabolism and photosynthesis. And the expression of genes and accumulation of metabolites in these pathways were reduced by red light treatment, while blue light can change this negative pattern. Furthermore, the accumulation of sucrose, glucose, fructose, fructose-6-phosphate, fatty acid, and flavonoids were found to significantly increased in 1R2B treatment group of pitaya plantlets, which further regulation the tricarboxylic acid cycle (TCA cycle) pathway in the energy metabolism process. Therefore, the results suggested that the mixture light quality (1R2B) may be the best condition for the high-quality cultivation of pitaya seedlings in the present study.
      原文链接:
    • NSTL
    • Elsevier

    Genomic identification of ARF transcription factors and expression analysis in Cannabis sativa L

    Ji A.Su K.Sun W.Meng X....
    14页
    查看更多>>摘要：? 2022 Elsevier B.V.Auxin response factors (ARFs) participate in the regulation of auxin signaling by binding directly to the auxin response elements (AuxREs) in the promoter regions of the downstream auxin response genes during plant development. To date, ARF genes in Cannabis sativa L. (cannabis) have not been characterized. The present study identified 21 ARF gene family members based on the genome-wide database of cannabis. Systematic analysis of these CsARFs included analysis of the gene structures, conserved domains, possible isoforms, phylogeny, cis-elements, and expression levels in various tissues and subspecies of cannabis. Currently, the function of the ARF genes in the growth and development of cannabis is largely unknown. To uncover this function, the expression patterns of the CsARF genes were analyzed in various tissues and subspecies of cannabis in detail. Combination of the results of the evolutionary tree and expression patterns of CsARFs, the functions of five CsARFs (CsARF7, CsARF8, CsARF11, CsARF19, and CsARF20) were predicted, and these genes may be involved in the development of cannabis flower. In addition, six CsARFs (CsARF3, CsARF5, CsARF7, CsARF8, CsARF10, and CsARF15) may be involved in the development of cannabis root and stem. Ultimately, CsARF13 may be involved in the development of cannabis leaf. The present study provides basic information on the CsARF genes and paves the way for further exploration of the function and mechanisms involved in the regulation of the growth and development of cannabis.
      原文链接:
    • NSTL
    • Elsevier

    Self-healing modified liquefied lignocellulosic cross-linked bio-based polymer for controlled-release urea

    Tian H.Zhang L.Sun X.Cui J....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.Alkali-hydrolyzed lignocellulose was liquefied into polyols by acid-catalyzed dissolution, and then cross-linked with castor oil to prepare bio-based cross-linked polyurethane. Then, bis (2-hydroxyethyl) disulfide (SS) with self-healing function was used to reduce foaming in the curing process of polyurethane coating. Afterwards, disulfide bond modified cross-linked bio-based polyurethane coating (BCSPU) was applied to controlled-release urea (CRU). The results of excitation-emission matrices indicated that SS made the coating smoother and denser and preventing the release of non-film-forming substances. Cross-linking modification technology significantly extended the controlled release longevity of CRU by 77.3%, and the self-healing modification further prolonged the nitrogen release longevity by 61.5%. In addition, modified coating materials were non-toxic to wheat seeds and easily biodegradable in the soil. Cross-linking, self-healing modified controlled-release urea has enormous application potential in sustainable agriculture.
      原文链接:
    • NSTL
    • Elsevier

    Untargeted metabolomics study of Lonicerae japonicae flos processed with different drying methods via GC-MS and UHPLC-HRMS in combination with chemometrics

    Hao X.-F.Feng S.-H.Hu Y.-J.Li S.-F....
    11页
    查看更多>>摘要：? 2022 Elsevier B.V.The medicinal values and economic benefits of Lonicerae japonicae flos are directly affect by the post-harvest processing due to the organoleptic and chemical properties. To explore the differences of Lonicerae japonicae flos obtained by various drying methods, untargeted metabolomics combined with chemometrics was first used to investigate the metabolite differences among them. The metabolomics analysis was accomplished by introducing automatic data analysis tools, i.e., autoGCMSDataAnal and AntDAS, which developed for gas chromatography-mass spectrometry (GC-MS) data analysis and ultrahigh performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) data analysis, respectively. The results indicated that about 66 volatile compounds were screened and identified by autoGCMSDataAnal coupled with GC-MS, among which 29 compounds were confirmed qualitatively by standards. Meanwhile, 30 nonvolatile compounds were screened and identified by AntDAS combined with UHPLC-HRMS and 16 compounds were confirmed qualitatively by standards. In particular, most of polyphenols including rutin, cynaroside, isoquercetrin, chlorogenic acid etc., had their maximum content at the freeze drying and minimum at the shade drying. Finally, partial least squares discrimination analysis (PLS-DA), hierarchical clustering analysis (HCA) and heat map analysis were used for discriminating samples from various processing methods. Relative high-quality samples with good appearance characteristics could be obtained by freeze drying, heat-pump drying and hot air drying. Moreover, the antioxidant components were well preserved under freeze drying. The differences of primary and secondary metabolites in Lonicerae japonicae flos obtained with diverse drying methods were revealed, which could be helpful to determine the optimal drying method according to specific request.
      原文链接:
    • NSTL
    • Elsevier

    Soybean hull valorization for sugar production through the optimization of citric acid pretreatment and enzymatic hydrolysis

    Bittencourt G.A.Vandenberghe L.P.D.S.Valladares-Diestra K.K.Soccol C.R....
    14页
    查看更多>>摘要：? 2022 Elsevier B.V.Soybean hull is a worldwide produced lignocellulosic waste from the soybean industrial sector. Its exploration through biotechnological approaches could increment considerably the value and economic return of soybean production-chain. The present study evaluated a citric acid pretreatment, an organic acid with eco-friendly characteristics and low inhibitors generation, in the valorization of soybean hull for fermentable sugars recovery. The optimized condition through response surface methodology was 4.2 % (w:w) citric acid, LSR of 5, 105 min, and 120 oC, with 80.42 % of mass yield and a very high recovery of cellulose fraction. Subsequent enzymatic hydrolysis was evaluated varying solid contents (10–20 %) and enzyme loading (10–20 FPU/g), reaching 72.28–97.10 % enzymatic conversions and 36.52–72.03 g/L glucose final titers. Final proposed process resulted in high enzymatic conversion of 82.86 %, with glucose and xylose final titers of 72.03 and 31.13 g/L, respectively. Citric acid pretreatment has shown to be effective to improve soybean hull conversion into sugars, resulting in a process that can be potential applied in further fermentation processes for the production of biomolecules in a biorefinery context.
      原文链接:
    • NSTL
    • Elsevier

    Structure-property relationships in Japanese knotweed – The potential of using the stem for composite applications

    Wunsch T.Kelch M.Rohl V.Mussig J....
    8页
    查看更多>>摘要：? 2022 Elsevier B.V.The Japanese perennial knotweed (Fallopia japonica) is a globally widespread neophyte whose usability is being investigated, e.g., to use knotweed for biogas plants and as a substitute for firewood. The present study investigates the potential of Japanese knotweed for material use. Morphological studies were carried out on the stem cell structures and arrangements (microstructure) and the external stem structure (macrostructure) and showed that Japanese knotweed is a plant species with several hierarchical morphological levels being a highly complex fibre-matrix composite with a low density. Mechanical properties were investigated using tensile, bending, compression and impact tests for fresh and dry specimens and then mathematically converted in density-related lightweight construction indices and compared with other materials using Ashby maps. Particularly under compression, properties are close to woods and wood composites, making the plant an interesting material for lightweight sandwich panels, where assembled slices of the stalk could serve as core elements. Fibre bundles, extracted from the stalk, show relatively low mechanical properties (tensile strength: 93 MPa; Young's modulus: 4.77 GPa) compared to bast fibres such as hemp. The shredded stalks could be compounded into homogeneous granulates directly after harvesting without other separation processes. Therefore, the study presents a proof of concept for Japanese knotweed to apply the shredded stalks in injection-moulded PLA composites (tensile strength: mean = 54 MPa; Young's modulus: mean = 5.61 GPa) comparable or even better than wood fibre-reinforced polymers.
      原文链接:
    • NSTL
    • Elsevier

    Comparison of polysaccharides in ginseng root cultures and cultivated ginseng and establishment of high-content uronic acid plant synthesis system

    Park S.-Y.He J.Wang J.Gao W....
    13页
    查看更多>>摘要：? 2022 Elsevier B.V.Panax ginseng is a rare and traditional herbal medicine with many pharmacological activities. After ginseng was approved as a new resource food by the Ministry of Health, ginseng food was vigorously researched and developed. As an alternative resource for cultivated ginseng, ginseng tissue cultures has good development potential, but there are few studies on its component and pharmacological activity. In this study, we analyzed the compositional characteristics of polysaccharides in ginseng root cultures. Compared with cultivated ginseng, the relative molecular weight of ginseng polysaccharides in ginseng root cultures was smaller, and the proportion of acidic polysaccharides such as galacturonic acid was higher. Correspondingly, compared with cultivated ginseng, polysaccharide of ginseng root cultures has higher intestinal microbial diversity and abundance of Lactobacillus. On this basis, we constructed a genetic transformation system for ginseng root cultures through gene editing of galacturonic acid which significantly increased the content of uronic acid. This research laid the foundation for the development of ginseng polysaccharide medicines and health products.
      原文链接:
    • NSTL
    • Elsevier