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1. Non-destructive discrimination of avocado fruit ripeness using laser Doppler vibrometry

Author:
Landahl, Sandra; Terry, Leon A.
Source:
Biosystems engineering 2020 v.194 pp. 251-260
ISSN:
1537-5110
Subject:
carbohydrate content,   etc   ; avocados; firmness; fruits; ready-to-eat foods; ripening; shelf life; vibration; wastes; Chile; Spain;     Show all 11 Subjects
Abstract:
... Consumers increasingly desire ready-to-eat avocado fruit, yet if supplies fall short of customer expectations, complaints follow, incurring considerable cost and waste. In the avocado sector, wastage due to destructive testing and inaccurate assessment of firmness is significant. The aim of this study was to evaluate whether non-destructive laser Doppler vibrometry (LDV) was capable of assessing a ...
DOI:
10.1016/j.biosystemseng.2020.04.001

2. Effect of Biomass Properties and System Configuration on the Operating Effectiveness of Biomass to Biofuel Systems

Author:
Hartley, Damon S.; Thompson, David N.; Griffel, L. Michael; Nguyen, Quang A.; Roni, Mohammad S.
Source:
ACS sustainable chemistry & engineering 2020 v.8 no.19 pp. 7267-7277
ISSN:
2168-0485
Subject:
carbohydrate content,   etc   ; bioeconomics; biofuels; biomass; carbohydrates; corn stover; equipment; feedstocks; supply chain;     Show all 9 Subjects
Abstract:
... Operational inefficiencies due to wide variability in physical and compositional attributes characteristic of existing corn stover supply systems threaten the development of a sustainable bioeconomy. We utilized discrete event simulation to conduct stochastic feedstock property-dependent throughput analysis of a conventional corn stover supply logistics-preprocessing-conversion system. Pilot scale ...
DOI:
10.1021/acssuschemeng.9b06551

3. Nitrogen availability affects the dynamics of Microcystis blooms by regulating the downward transport of biomass

Author:
Huang, Yingying; Liu, Silu; Shen, Yingshi; Hong, Jingjie; Peng, Lin; Li, Lei; Xu, Ping; Hu, Jun; Chen, Xuechu; Ostrovsky, Ilia
Source:
Harmful algae 2020 v.93 pp. 101796
ISSN:
1568-9883
Subject:
carbohydrate content,   etc   ; Microcystis; algal blooms; biomass; carbohydrates; eutrophication; glycolysis; lakes; nitrogen; poisonous algae; pollution load; proteomics;     Show all 12 Subjects
Abstract:
... Nitrogen availability is one of the key factors affecting the dynamics of non-diazotrophic cyanobacterial blooms in eutrophic lakes. While previous studies mainly focused on the promoting effect of nitrogen on the growth of cyanobacteria, this study aimed to investigate the role of nitrogen availability in the downward transport of biomass and its effects on the dynamics of Microcystis blooms. We ...
DOI:
10.1016/j.hal.2020.101796

4. Modeling biomass production during progressive nitrogen starvation by North Swedish green microalgae

Author:
Gojkovic, Zivan; Lu, Yi; Ferro, Lorenza; Toffolo, Andrea; Funk, Christiane
Source:
Algal research 2020 v.47 pp. 101835
ISSN:
2211-9264
Subject:
carbohydrate content,   etc   ; Desmodesmus; Scenedesmus obliquus; biomass production; carbohydrates; mathematical models; microalgae; nitrogen; nitrogen content; proteins; starvation; triacylglycerols; Sweden;     Show all 13 Subjects
Abstract:
... Five newly isolated green algal species from Northern Sweden and one culture collection strain were tested for their ability to remove nitrogen and accumulate carbohydrates and neutral lipids (TAGs) under progressive nitrogen starvation. All six microalgal species increased biomass during N starvation, the amount of proteins decreased, and species dependent either TAGs and/or carbohydrates accumul ...
DOI:
10.1016/j.algal.2020.101835

5. Miniaturized culture method for the statistical study of growth rate and carbohydrate content of Picochlorum sp. D8 isolated from the Persian Gulf

Author:
Olia, Mahroo Seyed Jafari; Azin, Mehrdad; Sepahi, Abbas Akhavan; Moazami, Nasrin
Source:
Renewable energy 2020 v.149 pp. 479-488
ISSN:
0960-1481
Subject:
carbohydrate content,   etc   ; carbohydrates; ferric chloride; high-throughput screening methods; microalgae; phosphates; renewable energy sources; screening; Persian Gulf;     Show all 9 Subjects
Abstract:
... The Microplate-based method is a useful means for high-throughput screening and kinetic studies of microalgal growth. In this study, the statistical evaluation of growth and carbohydrate production by a marine microalga, designated as Picochlorum sp. D8, which is taxonomically affiliated to Picochlorum sp. SENEW3 was done on a miniaturized scale. Initially, the significance of various factors was ...
DOI:
10.1016/j.renene.2019.12.069

6. Cyanoflan: A cyanobacterial sulfated carbohydrate polymer with emulsifying properties

Author:
Mota, Rita; Vidal, Ricardo; Pandeirada, Carolina; Flores, Carlos; Adessi, Alessandra; De Philippis, Roberto; Nunes, Cláudia; Coimbra, Manuel A.; Tamagnini, Paula
Source:
Carbohydrate polymers 2020 v.229 pp. 115525
ISSN:
0144-8617
Subject:
carbohydrate content,   etc   ; Cyanobacteria; aqueous solutions; chemical structure; emulsifying; emulsifying properties; industry; molecular weight; polymers; polysaccharides; sugars; viscosity;     Show all 12 Subjects
Abstract:
... The extracellular polysaccharides produced by cyanobacteria have distinctive characteristics that make them promising for applications ranging from bioremediation to biomedicine. In this study, a sulfated polysaccharide produced by a marine cyanobacterial strain and named cyanoflan was characterized in terms of morphology, chemical composition, and rheological and emulsifying properties. Cyanoflan ...
DOI:
10.1016/j.carbpol.2019.115525

7. Improvement of bioethanol production by Saccharomyces cerevisiae through the deletion of GLK1, MIG1 and MIG2 and overexpression of PGM2 using the red seaweed Gracilaria verrucosa

Author:
Sukwong, Pailin; Sunwoo, In Yung; Jeong, Deok Yeol; Kim, Soo Rin; Jeong, Gwi-Taek; Kim, Sung-Koo
Source:
Process biochemistry 2020 v.89 pp. 134-145
ISSN:
1359-5113
Subject:
carbohydrate content,   etc   ; Gracilaria verrucosa; Saccharomyces cerevisiae; biomass; ethanol; ethanol production; galactose; gene overexpression; genes; nitric acid; polysorbates; slurries; transcription (genetics);     Show all 13 Subjects
Abstract:
... Gracilaria verrucosa can be used as a biomass source for bioethanol production with a high yield due to the high carbohydrate content. A monosaccharide concentration of 48.6 g/L was obtained from G. verrucosa using 0.2 M HNO₃ at 150 °C for 10 min with a combined severity factor (Rₒ) of 0.47. The addition of Tween 20 with CTec2 increased the affinity of G. verrucosa slurry to the enzyme with a Kₘ v ...
DOI:
10.1016/j.procbio.2019.10.030

8. A mild and efficient extraction method for polysaccharides from Sinonovacula constricta and study of their structural characteristic and antioxidant activities

Author:
Yuan, Jun; Yan, Xiaoteng; Chen, Xing; Jiang, Xinqi; Ye, Keqi; Xiong, Qingping; Kong, Jing; Huang, Yange; Jiang, Changxing; Xu, Tingting; Xie, Guoyong
Source:
International journal of biological macromolecules 2020 v.143 pp. 913-921
ISSN:
0141-8130
Subject:
carbohydrate content,   etc   ; antioxidant activity; free radicals; glucose; iron; lipid peroxidation; molecular weight; pH; polysaccharides; superoxide anion; temperature; uronic acids;     Show all 12 Subjects
Abstract:
... The aim of this paper is to develop a mild and efficient extraction method for polysaccharides from Sinonovacula constricta (SCP) using enzyme extraction, and analyze the structural characteristics and antioxidant activities of the two purified polysaccharide fractions (SCP-1 and SCP-2). Firstly, enzyme extraction conditions were optimized, and the conditions were found to be, as follows: enzymoly ...
DOI:
10.1016/j.ijbiomac.2019.10.032

9. Nitrogen limitation affects the sinking property of Microcystis by promoting carbohydrate accumulation

Author:
Huang, Yingying; Hong, Jingjie; Liang, Chengyu; Li, Gengyang; Shen, Lin; Zhang, Haichun; Hu, Xiongxing; Chen, Xuechu
Source:
Chemosphere 2019 v.221 pp. 665-671
ISSN:
0045-6535
Subject:
carbohydrate content,   etc   ; Microcystis; autumn; carbohydrates; lakes; nitrate nitrogen; nitrogen; summer;     Show all 8 Subjects
Abstract:
... Nitrogen limitation has been proven to inhibit Microcystis proliferation, and the significant decline in Microcystis blooms in late summer or autumn has been considered to be related to the nitrogen depletion in water. Sinking loss is another factor that influences the dynamics of cyanobacteria in lakes. However, to date, it is still unclear how the sinking property of Microcystis responds to nitr ...
DOI:
10.1016/j.chemosphere.2019.01.080

10. Pretreatment of antibiotic fermentation residues by combined ultrasound and alkali for enhancing biohydrogen production

Author:
Hu, Yuming; Shen, Yunpeng; Wang, Jianlong
Source:
Journal of cleaner production 2020 v.268 pp. 122190
ISSN:
0959-6526
Subject:
carbohydrate content,   etc   ; antibiotics; bacteria; bioavailability; chemical oxygen demand; enzymatic hydrolysis; fermentation; gas production (biological); hydrogen; hydrogen production; microbial communities; solubility; solubilization; ultrasonics; China;     Show all 15 Subjects
Abstract:
... Antibiotic fermentation residues has been classified as “Hazardous Waste” in China since 2008, but its effective disposal and resource recovery remains a problem. Due to its high content of bioavailable organic matters, antibiotic fermentation residues can be utilized as a potential candidate for biohydrogen production. However, the complex matrix of antibiotic fermentation residues can restrict i ...
DOI:
10.1016/j.jclepro.2020.122190

11. Zero-waste biorefinery of oleaginous microalgae as promising sources of biofuels and biochemicals through direct transesterification and acid hydrolysis

Author:
Mandik, Yohanis Irenius; Cheirsilp, Benjamas; Srinuanpan, Sirasit; Maneechote, Wageeporn; Boonsawang, Piyarat; Prasertsan, Poonsuk; Sirisansaneeyakul, Sarote
Source:
Process biochemistry 2020 v.95 pp. 214-222
ISSN:
1359-5113
Subject:
carbohydrate content,   etc   ; acetone; acid hydrolysis; biodiesel; biomass; biorefining; fatty acid methyl esters; industrialization; lipid content; lipids; microalgae; pigments; response surface methodology; sugars; temperature; transesterification; zero wastes;     Show all 17 Subjects
Abstract:
... Oleaginous microalgae are considered as promising sources of biofuels and biochemicals due to their high lipid content and other high-value components such as pigments, carbohydrate and protein. This study aimed to develop an efficient biorefinery process for utilizing all of the components in oleaginous microalgae. Acetone extraction was used to recover microalgal pigments prior to processes for ...
DOI:
10.1016/j.procbio.2020.02.011

12. Two-step treatment of brewery wastewater using electrocoagulation and cyanobacteria-based cultivation

Author:
Papadopoulos, Konstantinos P.; Economou, Christina N.; Tekerlekopoulou, Athanasia G.; Vayenas, Dimitris V.
Source:
Journal of environmental management 2020 v.265 pp. 110543
ISSN:
0301-4797
Subject:
carbohydrate content,   etc   ; activated sludge; aluminum; ammonium; biomass; bioremediation; carbohydrates; chemical oxygen demand; color; decolorization; electrochemistry; electrocoagulation; electrodes; iron; nitrates; total Kjeldahl nitrogen; total phosphorus; total suspended solids; wastewater;     Show all 19 Subjects
Abstract:
... This study combines electrocoagulation (EC) and cyanobacteria-based cultivation for the two-step treatment of brewery wastewater (BW), with the aim to develop a viable alternative to conventional activated sludge technology. The first step applied EC as a pretreatment method, using different electrode materials (aluminum and iron), to remove color and some pollutant load from the BW. After 30 min ...
DOI:
10.1016/j.jenvman.2020.110543

13. Role of cultural variables in augmenting carbohydrate accumulation in the green microalga Scenedesmus acuminatus for bioethanol production

Author:
Chandra, Neha; Shukla, Puja; Mallick, Nirupama
Source:
Biocatalysis and agricultural biotechnology 2020 v.26 pp. 101632
ISSN:
1878-8181
Subject:
carbohydrate content,   etc   ; Scenedesmus; bioethanol; biomass; carbohydrates; cost effectiveness; culture media; ethanol production; feedstocks; lysine; magnesium; microalgae; nitrates; pH; phosphates; potato peels; soybean meal; starvation; wastes;     Show all 19 Subjects
Abstract:
... Microalgal biomass is regarded as quintessential feedstock for bioethanol production owing to its rapid growth and high carbohydrate content. The present study investigates the effects of nitrate and phosphate starvation, magnesium and lysine supplementation, and initial pH of culture medium on the growth and carbohydrate accumulation in the green microalga, Scenedesmus acuminatus. Under nitrate- ...
DOI:
10.1016/j.bcab.2020.101632

14. Solid-State Anaerobic Microbial Ensilage: A Combined Wet Storage and Pretreatment Method for the Bioconversion of Lignocellulosic Biomass

Author:
Yang, Xu; Zhang, Zhiping; Song, Lili; Wang, Guanglu; Zhang, Jingnan
Source:
Waste and biomass valorization 2020 v.11 no.7 pp. 3381-3396
ISSN:
1877-2641
Subject:
carbohydrate content,   etc   ; anaerobic treatment; biogas; biomass; biotransformation; chemical reactions; ethanol; lignocellulose; microbial growth; oxygen; sensory evaluation; silage; silage additives; sustainable development; temperature;     Show all 15 Subjects
Abstract:
... Due to the contradiction between the discontinuity of agricultural production and continuity of industrial processing, the collection, storage and transformation of lignocellulosic biomass has become a basic problem in ensuring its sustainable development and large-scale utilization. Two broad methodologies for storage of LCB, dry and wet storage, are introduced. Process parameters including chemi ...
DOI:
10.1007/s12649-019-00684-z

15. Purification and characterisation of a xylose-specific mitogenic lectin from Fusarium sambucinum

Author:
Singh, Ram Sarup; Thakur, Shivani Rani; Kennedy, John F.
Source:
International journal of biological macromolecules 2020 v.152 pp. 393-402
ISSN:
0141-8130
Subject:
carbohydrate content,   etc   ; Fusarium sambucinum; anion exchange chromatography; erythrocytes; fetuins; fucose; glycoproteins; haptens; hemagglutination; ions; lectins; mannose; mice; molecular weight; mycelium; pH; polyacrylamide gel electrophoresis; rabbits; splenocytes; temperature; xylose;     Show all 21 Subjects
Abstract:
... A xylose-specific intracellular lectin, showing hemagglutination only with rabbit erythrocytes was purified from mycelium of Fusarium sambucinum which was designated as FSL. An array of anion exchange chromatography on Q-Sepharose and gel-exclusion chromatography on Sephadex G-100 resulted in 84.21% yield and 53.99-fold purification of lectin with specific activity of 169.53 titre/mg. Molecular we ...
DOI:
10.1016/j.ijbiomac.2020.02.188

16. A Diocleinae type II lectin from Dioclea lasiophylla Mart. Ex Benth seeds specific to α-lactose/GalNAc

Author:
Cavada, Benildo Sousa; Pinto-Junior, Vanir Reis; Osterne, Vinicius Jose Silva; Lossio, Claudia Figueiredo; Silva, Mayara Torquato Lima; Correia, Jorge Luis Almeida; Correia, Sarah Elizabeth Gomes; Nagano, Celso Shiniti; Oliveira, Messias Vital; Lima, Lara Dias; Vital, Ana Paula Moreira Sousa; Leal, Rodrigo Bainy; Nascimento, Kyria Santiago
Source:
Process biochemistry 2020 v.93 pp. 104-114
ISSN:
1359-5113
Subject:
carbohydrate content,   etc   ; Artemia; Dioclea; amino acid sequences; chelation; hemagglutination; lectins; metalloproteins; molecular weight; mucins; nauplii; pH; seeds; stomach; swine; tandem mass spectrometry; temperature; toxicity;     Show all 18 Subjects
Abstract:
... A type II lectin, designated as DlyL2, was purified from Dioclea lasiophylla Mart. ex Benth seeds and some of its physicochemical properties determined. The lectin demonstrated specificity for α-lactose and N-acetyl-d-galactosamine and was able to interact with porcine stomach mucin. DlyL2 has 0.78 % carbohydrates in its composition, therefore can be considered a glycoprotein. In addition, its hem ...
DOI:
10.1016/j.procbio.2020.03.026

17. Bacterial response mechanism during biofilm growth on different metal material substrates: EPS characteristics, oxidative stress and molecular regulatory network analysis

Author:
Wang, Jiaping; Li, Guiying; Yin, Hongliang; An, Taicheng
Source:
Environmental research 2020 v.185 pp. 109451
ISSN:
0013-9351
Subject:
carbohydrate content,   etc   ; bacteria; biofilm; copper; enzyme activity; foams; gene expression regulation; genes; nickel; oxidative stress; pipelines; polymers; public health; reactive oxygen species; shrinkage; stainless steel; tap water; titanium;     Show all 18 Subjects
Abstract:
... Overwhelming growth of bacterial biofilms on different metal-based pipeline materials are intractable and pose a serious threat to public health when tap water flows though these pipelines. Indeed, the underlying mechanism of biofilm growth on the surface of different pipeline materials deserves detailed exploration to provide subsequent implementation strategies for biofilm control. Thus, in this ...
DOI:
10.1016/j.envres.2020.109451

18. Improving the hydrogen production from coffee waste through hydrothermal pretreatment, co-digestion and microbial consortium bioaugmentation

Author:
Villa Montoya, Alejandra Carolina; Cristina da Silva Mazareli, Raissa; Silva, Edson Luiz; Varesche, Maria Bernadete Amâncio
Source:
Biomass and bioenergy 2020 v.137 pp. 105551
ISSN:
0961-9534
Subject:
carbohydrate content,   etc   ; anaerobic digestion; bacteria; batch systems; bioaugmentation; cellulose; fuel production; fungi; hemicellulose; hulls; hydrogen production; lignin; lignocellulose; liquids; polyphenols; processing waste; pulp; solid wastes; wastewater;     Show all 19 Subjects
Abstract:
... Solid waste (pulp and husk) and wastewater from post-harvest coffee processing contain high carbohydrate content, which can be used in biofuel production. However, the recalcitrance of lignocellulosic material in the pulp and husk, in addition to the polyphenols in wastewater limits its application. The objective of this research was to evaluate the coffee processing waste for H₂ production. The e ...
DOI:
10.1016/j.biombioe.2020.105551

19. Rheological and physicochemical properties of polysaccharides extracted from stems of Dendrobium officinale

Author:
Wang, Bo; Zhang, Weimin; Bai, Xinpeng; Li, Congfa; Xiang, Dong
Source:
Food hydrocolloids 2020 v.103 pp. 105706
ISSN:
0268-005X
Subject:
carbohydrate content,   etc   ; Dendrobium officinale; acidity; alkalinity; beta-mannosidase; enzyme activity; ethanol; hydrocolloids; hydrophobicity; ions; molecular weight; polysaccharides; protein content; scalding; stems; temperature; thermal properties; viscosity;     Show all 18 Subjects
Abstract:
... The physicochemical and rheological properties of polysaccharides extracted from stems of Dendrobium officinale (DOP) were investigated. Two samples were prepared: the first sample (HEPDOP) was prepared by pretreating D. officinale stems by hot water scalding, followed by water extraction and ethanol precipitation; and the second sample (EPDOP) was obtained by water extraction and ethanol precipit ...
DOI:
10.1016/j.foodhyd.2020.105706

20. Co-production of lutein and fatty acid in microalga Chlamydomonas sp. JSC4 in response to different temperatures with gene expression profiles

Author:
Ma, Ruijuan; Zhao, Xurui; Ho, Shih-Hsin; Shi, Xinguo; Liu, Lemian; Xie, Youping; Chen, Jianfeng; Lu, Yinghua
Source:
Algal research 2020 v.47 pp. 101821
ISSN:
2211-9264
Subject:
carbohydrate content,   etc   ; Chlamydomonas; biomass production; biosynthesis; carbohydrates; gene expression; gene expression regulation; genes; genetic engineering; lutein; microalgae; nitrates; protein content; temperature; unsaturated fatty acids;     Show all 15 Subjects
Abstract:
... Temperature has been regarded as an important factor for microalgal growth and the accumulation of lutein and fatty acid. In this study, the lutein and fatty acid producing microalga Chlamydomonas sp. JSC4 was cultivated at various temperatures (20, 25, 30, 35, and 40 °C). Maximum biomass productivity (1271 mg/L/d) and lutein productivity (3.27 mg/L/d) were achieved at 35 °C, whereas the highest l ...
DOI:
10.1016/j.algal.2020.101821