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1. 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

2. Growth medium and nitrogen stress sparked biochemical and carotenogenic alterations in Scenedesmus sp. CCNM 1028

Author:
Ram, Shristi; Paliwal, Chetan; Mishra, Sandhya
Source:
Bioresource technology reports 2019 v.7 pp. 100194
ISSN:
2589-014X
Subject:
carbohydrate content,   etc   ; Scenedesmus; bioenergy; bioremediation; carbohydrates; culture media; freshwater; lutein; microalgae; nitrogen; starvation;     Show all 11 Subjects
Abstract:
... Microalgae are a spring of valuable compounds finding its wide applicability as cosmo-nutraceuticals, a renewable substitute for bioenergy and bioremediation. The present study utilizes Scenedesmus sp. CCNM 1028, freshwater microalgae, to understand the influence of various microalgal growth media, like BG-11, Chu's 10, Bold's basal medium (BBM) and Zarrouk's media (ZM), on the growth and lutein p ...
DOI:
10.1016/j.biteb.2019.100194

3. Improved itaconic acid production by Aspergillus niveus using blended algal biomass hydrolysate and glycerol as substrates

Author:
Gnanasekaran, Ramakrishnan; Dhandapani, Balaji; Iyyappan, Jayaraj
Source:
Bioresource technology 2019 v.283 pp. 297-302
ISSN:
0960-8524
Subject:
carbohydrate content,   etc   ; Aspergillus niveus; Gracilaria; algae; biodiesel; biomass; fuel production; fungi; glycerol; hydrolysates; lipids; ultrasonic treatment;     Show all 12 Subjects
Abstract:
... Superfluous algal biomass hydrolysate and purified glycerol obtained from biodiesel production were utilized for the production of itaconic acid by Aspergillus niveus. The lipid extracted Gracilaria edulis algal biomass residual was subjected to a pretreatment for the enhanced production of itaconic acid. Glycerol acquired from biodiesel production was pretreated and utilized as a substrate for it ...
DOI:
10.1016/j.biortech.2019.03.107

4. Monoecious Hydrilla verticillata development in complete darkness

Author:
Haug, Erika J.; Harris, Jon T.; Richardson, Robert J.
Source:
Aquatic botany 2019 v.154 pp. 28-34
ISSN:
0304-3770
Subject:
carbohydrate content,   etc   ; Hydrilla verticillata; aquatic weeds; germination; growth chambers; monoecy; starch; tubers; United States;     Show all 9 Subjects
Abstract:
... Hydrilla verticillata is one of the most problematic invasive submersed aquatic weeds in the United States. A study was conducted in growth chambers to look at aspects of development of monoecious Hydrilla verticillata in complete darkness. A single tuber was placed in each of forty-eight growth chambers. Following differential blackout intervals of zero, two, four, six, eight, or ten weeks, plant ...
DOI:
10.1016/j.aquabot.2018.12.005

5. Enhancement of the carbohydrate content in Spirulina by applying CO2, thermoelectric fly ashes and reduced nitrogen supply

Author:
Braga, Vagner da Silva; Moreira, Juliana Botelho; Costa, Jorge Alberto Vieira; Morais, Michele Greque de
Source:
International journal of biological macromolecules 2019 v.123 pp. 1241-1247
ISSN:
0141-8130
Subject:
carbohydrate content,   etc   ; Spirulina; bioethanol; carbohydrates; carbon dioxide; carbon dioxide fixation; fly ash; nitrogen; sodium nitrate;     Show all 9 Subjects
Abstract:
... This study focused on evaluating whether the injection of CO2, which is associated with the use of thermoelectric fly ashes and a reduced supply of nitrogen, affects the production of intracellular carbohydrates from Spirulina. For this purpose, the addition of 0.25 g L−1 of NaNO3, along with a 10% (v v−1) of CO2 injection, a flow rate of 0.3 vvm for 1 or 5 min, as well as 0, 120 and 160 ppm of fl ...
DOI:
10.1016/j.ijbiomac.2018.12.037

6. Relationship among night temperature, carbohydrate translocation and inhibition of grapevine leaf photosynthesis

Author:
Tombesi, S.; Cincera, I.; Frioni, T.; Ughini, V.; Gatti, M.; Palliotti, A.; Poni, S.
Source:
Environmental and experimental botany 2019 v.157 pp. 293-298
ISSN:
0098-8472
Subject:
carbohydrate content,   etc   ; Vitis vinifera; canopy; carbohydrates; carbon; carbon dioxide; cell respiration; exports; leaves; night temperature; photosynthesis;     Show all 11 Subjects
Abstract:
... Important processes such as plant respiration, repair of damaged photosystems and carbohydrate translocation occurs during night. The lack of photosyntate translocation can influence photosynthetic efficiency of the leaves in the subsequent day. Night temperature can play and important role influencing the carbohydrate translocation. The aim of the work was to test the effect of night temperature ...
DOI:
10.1016/j.envexpbot.2018.10.023

7. Life cycle assessment of upgraded microalgae-to-biofuel chains

Author:
Wu, Wei; Lei, Yi-Chun; Chang, Jo-Shu
Source:
Bioresource technology 2019 v.288 pp. 121492
ISSN:
0960-8524
Subject:
carbohydrate content,   etc   ; biobutanol; biodiesel; climate change; ecosystems; fossils; gasoline; human health; life cycle assessment; lipids; microalgae; petroleum;     Show all 12 Subjects
Abstract:
... Two individual chains of microalgae-to-diesel and microalgae-to-butanol were upgraded through process integration and design. According to life cycle assessment (LCA) standards, the two proposed chains were compared in terms of 17 categories of LCA impacts and the sensitivity analysis of LCA impacts on two chains with different lipid or carbohydrate content of microalgae cells was performed. Based ...
DOI:
10.1016/j.biortech.2019.121492

8. Effects of metaxenia on the carbohydrate and mogroside content and related enzyme activities in Siraitia grosvenorii fruit

Author:
Yan, Zhi-gang; Xiao, Dong; Xu, Yong-li; Ma, Jing; Liu, Fan; Bai, Long-hua; Ma, Xiao-jun
Source:
Acta physiologiae plantarum 2019 v.41 no.7 pp. 111
ISSN:
0137-5881
Subject:
carbohydrate content,   etc   ; Siraitia grosvenorii; breeding programs; enzyme activity; enzymes; fruiting; metabolism; patients; pollen; regression analysis; starch; sucrose;     Show all 12 Subjects
Abstract:
... The fruits of Siraitia grosvenorii have been used as a natural sweetening agent for centuries and have also been reported to aid diabetic patients. Mogroside V is the primary sweet compound in S. grosvenorii fruit. In this study, we show that different pollen sources had a direct influence on the mogroside V content in S. grosvenorii fruit. The changes in the activities of carbohydrate metabolism- ...
DOI:
10.1007/s11738-019-2887-9

9. Effect of microalgae cell composition and size on responsiveness to ultrasonic harvesting

Author:
Aligata, Alyssa J.; Tryner, Jessica; Quinn, Jason C.; Marchese, Anthony J.
Source:
Journal of applied phycology 2019 v.31 no.3 pp. 1637-1649
ISSN:
0921-8971
Subject:
carbohydrate content,   etc   ; Chlamydomonas reinhardtii; Tetraselmis chuii; acoustics; culture media; developmental stages; energy; harvesting; lipid content; lipids; microalgae; ultrasonics;     Show all 12 Subjects
Abstract:
... Ultrasonic harvesting could reduce the energy consumption and costs associated with separating microalgae from growth media. The responsiveness of microalgae cells to an ultrasonic standing wave depends on the cell radius and acoustic contrast factor (ACF). The ACF can vary as cell composition (e.g. lipid, protein, carbohydrate content) varies depending on the algae strain, cultivation conditions, ...
DOI:
10.1007/s10811-018-1682-0

10. A water-soluble polysaccharide from the roots of Eremurus spectabilis M. B. subsp. spectabilis: Extraction, purification and structural features

Author:
Beigi, Masoumeh; Jahanbin, Kambiz
Source:
International journal of biological macromolecules 2019 v.128 pp. 648-654
ISSN:
0141-8130
Subject:
carbohydrate content,   etc   ; Eremurus; acid hydrolysis; glucose; mannose; methylation; molecular weight; nuclear magnetic resonance spectroscopy; oxidation; polysaccharides; roots; water solubility;     Show all 12 Subjects
Abstract:
... A heteropolysaccharide ESP, was separated from a water extract of dried roots of Eremurus spectabilis by column chromatographies on DEAE-cellulose A52 and Sephadex G-100. Specific optical rotation, molecular mass and total carbohydrate content of ESP were −36.3°, 43.8 kDa and 97.2%, respectively. Monosaccharide composition analysis showed that ESP consisted of glucose and mannose at a molar ratio ...
DOI:
10.1016/j.ijbiomac.2019.01.178

11. Investigating the coagulation of non-proteinaceous algal organic matter: Optimizing coagulation performance and identification of removal mechanisms

Author:
Naceradska, Jana; Novotna, Katerina; Cermakova, Lenka; Cajthaml, Tomas; Pivokonsky, Martin
Source:
Journal of environmental sciences (China) 2019 v.79 pp. 25-34
ISSN:
1001-0742
Subject:
carbohydrate content,   etc   ; adsorption; algae; alum; aluminum; aluminum hydroxide; aluminum sulfate; coagulation; dissolved organic carbon; industry; molecular weight; pH; water treatment;     Show all 13 Subjects
Abstract:
... The removal of algal organic matter (AOM) is a growing concern for the water treatment industry worldwide. The current study investigates coagulation of non-proteinaceous AOM (AOM after protein separation), which has been minimally explored compared with proteinaceous fractions. Jar tests with either aluminum sulphate (alum) or polyaluminium chloride (PACl) were performed at doses of 0.2–3.0 mg Al ...
DOI:
10.1016/j.jes.2018.09.024

12. Early stage metabolic events associated with the establishment of Vitis vinifera – Plasmopara viticola compatible interaction

Author:
Nascimento, Rui; Maia, Marisa; Ferreira, António E.N.; Silva, Anabela B.; Freire, Ana Ponces; Cordeiro, Carlos; Silva, Marta Sousa; Figueiredo, Andreia
Source:
Plant physiology and biochemistry 2019 v.137 pp. 1-13
ISSN:
0981-9428
Subject:
carbohydrate content,   etc   ; Plasmopara viticola; Vitis vinifera; cultivars; downy mildew; flavonoids; fungi; hydrogen peroxide; lipid peroxidation; messenger RNA; pathogens; phenylpropanoids;     Show all 12 Subjects
Abstract:
... Grapevine (Vitis vinifera L.) is the most widely cultivated and economically important fruit crop in the world, with 7.5 million of production area in 2017. The domesticated varieties of grapevine are highly susceptible to many fungal infections, of which downy mildew, caused by the biotrophic oomycete Plasmopara viticola (Berk. et Curt.) Berl. et de Toni is one of the most threatening. In V. vini ...
DOI:
10.1016/j.plaphy.2019.01.026

13. Potential of Chlorella fusca LEB 111 cultivated with thermoelectric fly ashes, carbon dioxide and reduced supply of nitrogen to produce macromolecules

Author:
Braga, Vagner da Silva; Moreira, Juliana Botelho; Costa, Jorge Alberto Vieira; Morais, Michele Greque de
Source:
Bioresource technology 2019 v.277 pp. 55-61
ISSN:
0960-8524
Subject:
carbohydrate content,   etc   ; Chlorella; bioethanol; carbohydrates; carbon dioxide; carbon dioxide fixation; fly ash; minerals; nitrogen; nutrients; protein content; sodium nitrate;     Show all 12 Subjects
Abstract:
... Fly ashes present several minerals that along with carbon dioxide (CO2) represent a promising nutrient source and an alternative to reduce environmental problems. Thus, the objective of this study was to investigate if CO2, thermoelectric fly ashes and reduction in nitrogen supply alters the production of macromolecules in Chlorella fusca LEB 111. For this purpose, 1.5 or 0.75 g L−1 of NaNO3, inje ...
DOI:
10.1016/j.biortech.2019.01.035

14. Efficient butanol production using corn-starch and waste Pichia pastoris semi-solid mixture as the substrate

Author:
Ding, Jian; Xu, Meng; Xie, Fang; Chen, Cheng; Shi, Zhongping
Source:
Biochemical engineering journal 2019 v.143 pp. 41-47
ISSN:
1369-703X
Subject:
carbohydrate content,   etc   ; Clostridium acetobutylicum; Pichia pastoris; butanol; corn starch; disaccharides; fermentation; fermenters; prices; sodium hydroxide; starch; trisaccharides; wastes;     Show all 13 Subjects
Abstract:
... Corn starch is the traditional substrate for butanol production by Clostridium acetobutylicum. However, the production suffers the problems of high substrate price and low sugar utilization yield. Waste P.pastoris semi-solid enriches with carbohydrate/protein and could be potentially used as an alternative substrate. In this study, NaOH was used to treat the waste semi-solid into suspensions. The ...
DOI:
10.1016/j.bej.2018.12.017

15. Foliar and seed application of plant growth regulators affects cotton yield by altering leaf physiology and floral bud carbohydrate accumulation

Author:
Fang, Sheng; Gao, Kai; Hu, Wei; Wang, Shanshan; Chen, Binglin; Zhou, Zhiguo
Source:
Field crops research 2019 v.231 pp. 105-114
ISSN:
0378-4290
Subject:
carbohydrate content,   etc   ; Gossypium hirsutum; abscission; benzyladenine; buds; cotton; flowering; foliar spraying; gibberellic acid; leaves; photosynthesis; soaking; starch; sucrose; yield components;     Show all 15 Subjects
Abstract:
... The development of cotton (Gossypium hirsutum L.) floral bud prior to flowering is fundamental for yield formation since it is the initial step in the fruiting cycle. However, little information is available on the early reproductive stage of cotton subjected to plant growth regulators (PGRs). A 2-year experiment was conducted to investigate the effects of gibberellic acid (GA3), N6-benzyladenine ...
DOI:
10.1016/j.fcr.2018.11.012

16. Pretreatment of switchgrass by steam explosion in a semi-continuous pre-pilot reactor

Author:
Bonfiglio, Fernando; Cagno, Matías; Rey, Fabiana; Torres, Marina; Böthig, Silvia; Menéndez, Pilar; Mussatto, Solange I.
Source:
Biomass and bioenergy 2019 v.121 pp. 41-47
ISSN:
0961-9534
Subject:
carbohydrate content,   etc   ; Panicum virgatum; bioethanol; biomass; cellulose; digestibility; energy crops; enzymatic hydrolysis; feedstocks; food production; grasses; perennials; saccharification; temperature;     Show all 14 Subjects
Abstract:
... Switchgrass (Panicum virgatum) is a perennial grass highly valued as an energy crop resource for the production of bioethanol due to its high carbohydrate content, fast growth, and ability to grow in lands that cannot support crop or food production. In the present study, this biomass was submitted to steam explosion pretreatment in a semi-continuous pre-pilot reactor with the aim of obtaining a p ...
DOI:
10.1016/j.biombioe.2018.12.013

17. Quantitative macromolecular patterns in phytoplankton communities resolved at the taxonomical level by single-cell Synchrotron FTIR-spectroscopy

Author:
Fanesi, Andrea; Wagner, Heiko; Birarda, Giovanni; Vaccari, Lisa; Wilhelm, Christian
Source:
BMC plant biology 2019 v.19 no.1 pp. 142
ISSN:
1471-2229
Subject:
carbohydrate content,   etc   ; Bacillariophyceae; Chlorophyta; Cyanobacteria; Fourier transform infrared spectroscopy; algorithms; aquatic ecosystems; biogeochemical cycles; biomass; carbon; energy; least squares; lipids; models; niches; nutrients; phytoplankton; population dynamics; prediction; temperature;     Show all 20 Subjects
Abstract:
... BACKGROUND: Technical limitations regarding bulk analysis of phytoplankton biomass limit our comprehension of carbon fluxes in natural populations and, therefore, of carbon, nutrients and energy cycling in aquatic ecosystems. In this study, we took advantage of Synchrotron FTIR micro-spectroscopy and the partial least square regression (PLSr) algorithm to simultaneously quantify the protein, lipid ...
DOI:
10.1186/s12870-019-1736-8

18. Subcritical water extraction-based methods affect the physicochemical and functional properties of soluble dietary fibers from wheat bran

Author:
Yan, Jing-Kun; Wu, Li-Xia; Cai, Wu-Dan; Xiao, Gao-Sheng; Duan, Yuqing; Zhang, Haihui
Source:
Food chemistry 2019 v.298 pp. 124987
ISSN:
0308-8146
Subject:
carbohydrate content,   etc   ; alpha-amylase; antioxidants; citric acid; dietary fiber; enzyme inhibition; functional properties; molecular weight; pH; particle size; thermal stability; ultrasonic treatment; viscoelasticity; viscosity; wheat bran;     Show all 15 Subjects
Abstract:
... In this study, subcritical water extraction (SWE), SWE in aqueous citric acid (pH 5.0) (SWEC), and ultrasound-assisted SWEC (USWEC) were used to extract soluble dietary fiber (SDF) from wheat bran. Results showed that SWE-based methods significantly influenced the physicochemical, functional, and biological properties of the SDF. The fraction SDF-III attained via USWEC had higher SDF yield (46.30% ...
DOI:
10.1016/j.foodchem.2019.124987

19. Unstandardized UV-C dose used for killing harmful cyanobacteria may instead initiate accelerated growth in the target organisms

Author:
Phukan, Tridip; Rai, Amar Nath; Syiem, Mayashree B.
Source:
Ecotoxicology and environmental safety 2019 v.181 pp. 274-283
ISSN:
0147-6513
Subject:
carbohydrate content,   etc   ; D1 protein; Nostoc muscorum; biomass production; energy; glutamate-ammonia ligase; messenger RNA; nitrogenase; oxygen evolving complex; pigments; protein content; ribulose-bisphosphate carboxylase; thylakoids; ultraviolet radiation; wavelengths;     Show all 15 Subjects
Abstract:
... Although UV-C radiation has been in use for killing unwanted cyanobacteria, experiments with lower doses of UV-C radiation instead showed induction of growth related parameters and enhanced biomass production in the cyanobacterium Nostoc muscorum Meg1. When the cyanobacterial cultures were exposed to UV-C radiation of varying doses (6, 12 and 18 mJ/cm2), concentrations of various photo-absorbing p ...
DOI:
10.1016/j.ecoenv.2019.05.074

20. Enhancing Haematococcus pluvialis biomass and γ-aminobutyric acid accumulation by two-step cultivation and salt supplementation

Author:
Ding, Wei; Cui, Jing; Zhao, Yongteng; Han, Benyong; Li, Tao; Zhao, Peng; Xu, Jun-Wei; Yu, Xuya
Source:
Bioresource technology 2019 v.285 pp. 121334
ISSN:
0960-8524
Subject:
carbohydrate content,   etc   ; Haematococcus pluvialis; biomass; bioprocessing; culture media; fulvic acids; gamma-aminobutyric acid; gene expression regulation; genes; microalgae; salt stress; sodium chloride;     Show all 12 Subjects
Abstract:
... The primary goal of this study was to assess the roles of chemical factors and bioprocess strategies on a mixotrophic culture of the microalga Haematococcus pluvialis during γ-aminobutyric acid (GABA) production. A two-stage strategy was used to increase the biomass and GABA accumulation of H. pluvialis. In stage I, mixotrophic growth of H. pluvialis in the presence of fulvic acid (FA) produced a ...
DOI:
10.1016/j.biortech.2019.121334