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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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    Chemical compounds, anti-aging and antibacterial properties of Rosa rugosa Purple branch

    Xie, JingLi, Ming-XiangDu, Zhi-Zhi
    10页
    查看更多>>摘要：Rosa rugosa Purple branch is a rare continuously flowering variety of R. rugosa and also is one of main cultivar varieties of R. rugosa in China. Although R. rugosa has been successfully used in the field of cosmetics, there are also many reports on its chemical components. The chemical composition and application value in cosmetics of R. rugosa Purple branch are still limited. The purpose of this study was to investigate the chemical components in the petals of R. rugosa Purple branch as well as evaluate their skincare and antibacterial potentials through DPPH radical scavenging, tyrosinase inhibition, elastase inhibition and antibacterial bioassays. Two new compounds, isorhamnetin-3-O-(2 "-O-galloyl)-fl-D-glucopyranoside (1), kaempferol-3-O-fl-D-glucopyranosyl-(1-*2)-(6 "-O- trans-p-coumaroyl)-fl-D-glucopyranoside (2) and thirteen known compounds (3-15) were isolated and identified from the petals by bioassay-guided fractionation. All the compounds were isolated and reported from R. rugosa Purple branch for the first time, in which twelve of them are discovered from R. rugosa for the first time. The tyrosinase inhibitory activities of 1, 2, rosarugoside B (3), kaempfero-3-O-fl-D-glucopyranosyl(1-*2)-fl-D-gluco-pyranoside (4), astragalin-2 ",6 "-di-O-gallate (8), quercetin-3-O-fl-D-glucopyranosyl(1-*2)-fl-D-glucopyranoside (10), 2-phenylethyl-fl-D-glucopyranoside (13), 2-phenylethyl-6-O-a-L-arabinofuranosyl-fl-D-glucopyranoside (14), and 2-phenylethyl-D-rutinoside (15) were firstly reported here, in which 8 showed strong tyrosinase inhibitory activity with IC50 of 187.32 +/- 0.18 mu g/mL. There were eight compounds (1, 6-12) showed strong antioxidant activity, with the scavenging rates of DPPH radical ranging from 88.59% to 94.30% and the IC50 ranging from 4.22 to 13.85 mu g/mL, among them, 1 and quercetin-3-O-(6 "-O-Z-p-coumaroyl)-fl-D-glucopyrano-side (11) exhibited antioxidant activity for the first time. 3 exhibited moderate elastase inhibitory activity with IC50 of 148.67 +/- 0.11 mu g/mL. In addition, seven compounds (2, 5-8, 10-11) showed varying degrees of antibacterial activity. These results indicated that R. rugosa Purple branch had anti-aging, whitening and antibacterial activities, which can be further applied to the development of functional cosmetics.
      原文链接:
    • NSTL
    • Elsevier

    Transcriptomics and proteomics profiles of Taraxacum kok-saghyz roots revealed different gene and protein members play different roles for natural rubber biosynthesis

    Xie, QuanliangMa, JunjunDing, GuohuaYuan, Boxuan...
    13页
    查看更多>>摘要：The Russian dandelion (Taraxacum kok-saghyz L. Rodin, TKS) is a potential crop for natural rubber production. Our proteomics results have revealed that both methylerythritol (MEP) and mevalonate (MVA) pathways are important for natural rubber biosynthesis (NRB) in TKS roots. In this study, morphological characteristics and rubber content in TKS roots during five development stages were determined and more laticifer cells, rubber particles, and natural rubber were observed in older TKS roots. Combination of transcriptomics and proteomics was further performed to gain an overall realizing of the principle developmental mechanism and metabolic regulation processes in TKS roots and determine the key genes and proteins for NRB. From the detected TKS roots, 34,710 genes and 3695 proteins were positively identified. Among them, 22194 genes and 2145 proteins were differentially expressed during root development, and their correlation coefficients were calculated. GO and KEGG analysis showed that most up-regulated genes and proteins were involved in carbon metabolic process. A total of 102 NRB-related gene and protein members, including 10 cis-isoprene transferases (CPT), 8 small rubber particle proteins (SRPP), 2 rubber elongation factors (REF), as well as one HRT1-REF bridging protein (HRBP), were identified. Our omics data revealed that different family members of genes and proteins play different roles for NRB in TKS roots. Among them, CPT7, SRPP5, SRPP6 and SRPP9 might play more important roles for NRB in TKS roots.
      原文链接:
    • NSTL
    • Elsevier

    A novel approach for improved in-situ biodiesel production process from gamma-irradiated castor seeds using synergistic ultrasound and microwave irradiation: Process optimization and kinetic study

    Thakkar, KartikkumarKodgire, PravinKachhwaha, Surendra Singh
    20页
    查看更多>>摘要：In the present work, first time, the process optimization of in-situ biodiesel production from gamma-irradiated castor seeds using the synergistic application of ultrasound and microwave irradiation has been studied and compared with the performance of normal castor seeds reported earlier. The optimum reaction conditions determined for gamma-irradiated in-situ biodiesel production process employing response surface methodology coupled with Box-Behnken Design are gamma radiation dosage of 9 kGy, methanol to oil molar ratio of 288:1, catalyst amount of 1.33%, reaction temperature of 52.5 degrees C, and reaction time 30 min. A maximum biodiesel yield of 96.04 +/- 0.53% is obtained using gamma-irradiated castor seeds, which is higher by 2.54% compared to that of normal castor seeds. The gamma irradiation caused a significant reduction in methanol to oil molar ratio, catalyst loading, and energy consumption by 17.7%, 22.22%, and 12.5%, respectively, for in-situ transesterification of castor seeds. The reaction rate of the in-situ process has been improved by 30-40%, and activation energy has been decreased by 50% (14 kJ/mol) compared to normal castor seeds. Physico-chemical properties of biodiesel were compared with biodiesel standards (ASTM D6751 and EN 14214) and found satisfactory.
      原文链接:
    • NSTL
    • Elsevier

    Tuning the mesopore size of lignin-based porous carbon via salt templating for kraft lignin decomposition

    Wu, KejingLiu, YiYang, ChunyanTang, Siyang...
    10页
    查看更多>>摘要：A novel and practical CaCl2 salt templating method is used to tune the pore size of carbon materials from calcium lignosulfonate. In-situ crystalized CaCl2 particles serve as templates for mesopores and as carbonization sub-strates. Hierarchical carbons are constructed using coupled SiO2 spheres and CaCl2 templates. The SiO(2 )spheres improve the pore size assigned to CaCl2 particles and high CaCl2:lignin mass ratios benefit large CaCl2 crystals to improve the size of mesopores. The porous carbons are used as supports of molybdenum carbide (MoC) with C-C and C-O cleavage activity for Kraft lignin decomposition into aromatic monomers. The results show that MoC over porous carbon supports achieves the highest aromatic yield of 0.716 g/g Kraft lignin and exhibits high stability of aromatic yields. Suitable pore size for lignin macromolecule diffusion significantly enhances the catalytic performance of molybdenum carbide.
      原文链接:
    • NSTL
    • Elsevier

    High titer ethanol production from poplar by aluminum chloride catalyzed organosolv pretreatment and simultaneous saccharification and fermentation

    Huang, XinyuFan, MeishanXie, JunZhong, Chunmei...
    8页
    查看更多>>摘要：In this study, AlCl3-catalyzed organosolv pretreatment with different temperatures were put forward to destroy the recalcitrant structure of poplar by degrading lignin and hemicellulose, reserve the majority of cellulose, and improve the ethanol conversion in subsequent simultaneous saccharification and fermentation (SSF). With the increment of pretreatment temperature from 150 degrees C to 200 degrees C, the ethanol concentration with 12% solid loading was increased gradually from 5.51 to 39.80 g/L. This enhancement was ascribed to the structure alteration, which was verified by X-ray diffraction (XRD), Fourier transform-infrared spectrum (FT-IR), Thermogravimetric (TG), scanning electron microscope (SEM), and Brunner-Emmet-Teller (BET). Furthermore, the batch and fed-batch SSF with high solid loading were compared. When the solid loading was less than 20%, batch SSF liberated higher ethanol concentration of 59.76 g/L with ethanol yield of 69.57%. As the solid loading was higher than 24%, fed-batch SSF presented superior performance in liberating ethanol.
      原文链接:
    • NSTL
    • Elsevier

    Machine learning (ML) algorithms and artificial neural network for optimizing in vitro germination and growth indices of industrial hemp (Cannabis sativa L.)

    Aasim, MuhammadKatirci, RamazanAkgur, OzlemYildirim, Busra...
    9页
    查看更多>>摘要：In vitro germination of hemp is challenging due to low germination and high contamination rates. Successful establishment of in vitro sterilization is the prerequisite of plant tissue culture studies. Recent advancements in the field of artificial neural network (ANN) and machine learning (ML) algorithms open new horizons for sustainable and precision agriculture. ANN and ML algorithms are powerful tools to evaluate the results and make more precise and high accuracy predictions in the field of plant tissue culture, especially for industrial purposes. Keeping in view, the study was designed to investigate the possible response of variable concentrations of hydrogen peroxide (H2O2) on germination and morphological traits of in vitro-grown hemp seedlings by using ML algorithms. Five different ML algorithms used in this study to evaluate the prediction of the output variables were: Support Vector Classifier (SVC), Gaussian Process (GP), Extreme Gradient Boosting (XGBoost), Random Forest (RF) models, and Multilayer Perceptron (MLP) neural network utilizing accuracy, F1 score, precision, and recall values. Among the tested models, the RF model exhibited better prediction of output variables with a high F1 score in the range of 0.98-1.00. The F1 scores of the other models ranged between 0.69 and 0.86. Response surface methodology (RSM) used to compute the optimum concentration of H(2)O(2)revealed the statistically significant effect of H(2)O(2)on in vitro germination and seedling growth. The optimum value of H2O2 for the maximum germination and seedling was optimized to about similar to 2.2% by using RSM. The present work is a case study about the application of different ML and ANN models in plant tissue culture and reveals the possibility of application in many other economic crops.
      原文链接:
    • NSTL
    • Elsevier

    Effect of elicitors on secondary metabolites biosynthesis in Zataria multiflora Boiss.

    Asadollahei, Majid VakilYousefifard, MaryamTabatabaeian, JavadNekonam, Marzieh Sabagh...
    9页
    查看更多>>摘要：Zataria multiflora Boiss. (ZM) is an aromatic herb that is used in various industries, especially in pharmaceuticals and food. However, the inducer effect of elicitors on ZM, with the aim of increasing the bioactive compounds production, is understudied. This study analyzes the influence of a biotic (chitin) and abiotic (copper nano particle) elicitor on ZM under in vitro and greenhouse conditions. In the first step, having established in Murashige and Skoog medium (MS) based on the node culture method, the explants transferred to media with different blended to survey the improvements in growth. The modified MS having faster growth and propagation in ZMs was chosen. In the second step, when explants were grown and rooted enough, they were transmitted to the media of elicitors, including four copper oxide nanoparticle concentrations (0, 25, 50, & 100 mg L-1) and four chitin concentrations (0, 50, 100 & 200 mg L-1) at two exposure times (5 and 10 days) to measure biochemical attributes. The analysis showed that the highest contents of the total phenolic (6.44 mg g(-1) FW), anthocyanins (39.59 mg g(-1) FW), flavonols (0.76 mg g(-1) FW), and flavonoids (0.97 mg g(-1) FW) compounds were observed in the elicited ZMs. In addition, the components of secondary metabolites were identified by gas chromatography-mass spectrometry (GC-MS) analysis. It was revealed that the highest amount of thymol and carvacrol, as the main compositions of ZM, was in the copper oxide nanoparticle (2.51% and 38.03% respectively), control (2.34% and 28.51% respectively), and chitin (1.92% and 9.84% respectively) ZMs in turn. The present research indicates that choosing an appropriate elicitor, concentration, and exposure time for augmenting the production of bioactive compounds in each plant species is consequential so as to provide the possibility of utilizing in industry.
      原文链接:
    • NSTL
    • Elsevier

    A facile one-pot synth15esis of ionic liquid@porous organic frameworks for rapid high-capacity removal of heavy metal ions, pesticides and aflatoxin from two non-food bioactive products

    Zhang, TengheJiang, WanhangCao, YongZhu, Chanrong...
    18页
    查看更多>>摘要：Without inert gas protection and extra assistance by energy field, a green, facile, and catalyst-free strategy to synthesize ionic liquid@porous organic frameworks (IL@POFs) with high efficiency was developed for the first time. Besides, they have high specific surface area, stability and sustainability. As the brutal facts, many industrial crops are easily polluted and then cause safety risks. Among above IL@POFs, 1-butyl-3-methylimidazofium proline salt@porous organic framework ([C(4)mim][L-pro]@POF) exhibits rapid removal performance for typical heavy metal ions from Poria cocos (removing 100% Pb2+ within 5 min; 207.47 mg/g for Pb2+ and 62.85 mg/g for Cu2+). The separation mechanisms are coordination, accompanied by ion exchange and electrostatic interaction. Moreover, 1-butyl-3-methylimidazolium hexafluorophosphate@porous organic framework ([C(4)mim][PF6]@POF) could remove 85% triazophos and 93% aflatoxin B-1 (AFB(1)) effectively from Radices trichosanthis within 5 min, and multiple intermolecular interactions contribute to its adsorption capacity and selectivity. Above sorbents can be reused after effective elution. The proposed strategy not only provides valuable reference for the high-efficient synthesis of IL@POFs but also opens up a new pathway to recycling contaminated industrial crops.
      原文链接:
    • NSTL
    • Elsevier

    Deciphering alternative splicing patterns in multiple tissues of Ginkgo biloba important secondary metabolites

    He, BingHan, XinLiu, HailinBu, Mengjia...
    10页
    查看更多>>摘要：Alternative splicing (AS) is an important genetic regulation mechanism for enhancing the diversity and complexity of the transcriptome and proteome from a limited number of genes. G. biloba is a typical relict tree species with rich medicinal value; the alternative splicing characteristics of the G. biloba genome are intriguing due to its very large proportion of large introns. In this study, the genome-wide landscape of the ginkgo AS pattern was revealed through a comprehensive analysis of multiple tissues across different developmental stages. Intron retention was the dominant AS type in all tissues together with a much lower frequency compared to other plants, and the functional enrichment of different AS type-related genes also showed great differences. In addition, the AS patterns of important secondary metabolites in G. biloba, including flavonoids and terpenoids, were thoroughly analyzed. These results could be beneficial for studies on gene regulation and the synthesis mechanisms of important secondary metabolites in woody plants.
      原文链接:
    • NSTL
    • Elsevier

    Management of crop residues with special reference to the on-farm utilization methods: A review

    Shinde, ReshmaShahi, Dhirendra KumarMahapatra, PrabhakarSingh, Chandra Shekhar...
    10页
    查看更多>>摘要：Crop residues (CRs) are defined as the plant parts left in the field after harvesting the economic part of the agricultural crops. Every year a huge quantity, more than 5 billion mega grams of the agricultural residue is produced globally. The possible options to utilize these crop residues include its use as animal feed, production of bioenergy, biochar, substrate for mushroom cultivation, household fuel and making boards, etc. However, these activities consume only a minor fraction of the total production and require collection, bundling and transportation, which is a labor-intensive affair. Hence to save time and cost of transportation from field to the end users, CR is burnt on site in many countries causing tremendous air pollution and also restricts recycling of the valuable nutrients back to the soil. Proper utilization of this large quantity of CRs on the farm is a great challenge. Surface retention, in situ incorporation and ex situ composting are three promising on-farm management options to sustain soil health in long-term as well as to address the issue of residue burning. By means of this paper an attempt has been made to highlight the importance of on-farm utilization methods in comparison with the other methods and some key researchable issues to overcome its limitations are also discussed.
      原文链接:
    • NSTL
    • Elsevier