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1. Tailoring structural, rheological and gelling properties of watermelon rind pectin by enzymatic treatments

Author:
D.A. Méndez; A. Martínez-Abad; M. Martínez-Sanz; A. López-Rubio; M.J. Fabra
Source:
Food hydrocolloids 2023 v.135 pp. 108119
ISSN:
0268-005X
Subject:
arabinose,   etc   ; arabinogalactans; esterification; fruit peels; galacturonic acid; hydrocolloids; hydrogels; nanomaterials; pectins; rheological properties;     Show all 10 Subjects
Abstract:
... In this work, pectin extracts from watermelon rind (WRP) were enzymatically treated to evaluate their potential for preparing hydrogels with the addition of CaCl₂. Based on a previous work, two different conditions were selected to obtain WRP extracts according to the 1) highest yield (OP) or 2) highest yield without negatively affecting the branching and native structure of pectin (OPA). Firstly, ...
DOI:
10.1016/j.foodhyd.2022.108119

2. Extraction and characterization of pectic polysaccharides from Choerospondias axillaris peels: Comparison of hot water and ultrasound-assisted extraction methods

Author:
Chao Wang; Jing Li; Yi Cao; Jialu Huang; Hongyi Lin; Tiantian Zhao; Lu Liu; Peiyi Shen; David Julian McClements; Jun Chen; Chengmei Liu; Jiyan Liu; Qian Li
Source:
Food chemistry 2023 v.401 pp. 134156
ISSN:
0308-8146
Subject:
arabinose,   etc   ; antioxidant activity; food chemistry; glucose; molecular weight; pectins; phenolic compounds; sugar content; thermal degradation; ultrasonic treatment; ultrasonics; viscosity;     Show all 12 Subjects
Abstract:
... Influences of conventional thermal and innovative non-thermal extraction methods on the physicochemical characteristics and properties of pectic polysaccharides from Choerospondias axillaris peels were investigated. Results showed that ultrasound-assisted extracted polysaccharides (UP) had a heterogeneous nature with lower molecular weight (127.7 kDa) and lower neutral sugar content (35.1%) but hi ...
DOI:
10.1016/j.foodchem.2022.134156

3. Degradation of water-soluble polysaccharides in pulp of litchi during storage

Author:
Zhongsuzhi Chen; Meiying He; Yijie Zhou; Xi Chen; Hong Zhu; Bao Yang; Yueming Jiang; Hongxia Qu
Source:
Food chemistry 2023 v.402 pp. 134289
ISSN:
0308-8146
Subject:
arabinose,   etc   ; arabinogalactans; depolymerization; energy; food chemistry; galactose; gene expression; mannose; molecular weight; pectate lyase; pectinesterase; polygalacturonase; pulp; storage time; water solubility;     Show all 15 Subjects
Abstract:
... Water-soluble polysaccharides (WSP) were extracted from the pulp of litchi. Its main component was identified as arabinogalactan. The dominant monosaccharide constituents were arabinose and galactose. Galactose and mannose accumulated at the end of storage. ATP, ADP and AMP levels declined with increasing pulp breakdown index. WSP depolymerized which was characterized by a decrease in its content ...
DOI:
10.1016/j.foodchem.2022.134289

4. Pectin fractions extracted sequentially from Cerasus humilis: their compositions, structures, functional properties and antioxidant activities

Author:
Shikai Zhang; Geoffrey I.N. Waterhouse; Tingting Cui; Dongxiao Sun-Waterhouse; Peng Wu
Source:
Food science and human wellness 2023 v.12 no.2 pp. 564-574
ISSN:
2213-4530
Subject:
arabinose,   etc   ; Prunus; antioxidants; cherries; emulsions; food science; galactose; gel chromatography; humans; methylation; nanocrystals; pectins; protein content; sodium; uronic acids; viscosity; water solubility;     Show all 17 Subjects
Abstract:
... Three pectin fractions (water-soluble fraction (WSF), chelator-soluble fraction (CSF), and sodium carbonate-soluble fraction (NSF)) were obtained from Chinese dwarf cherry (Cerasus humilis) fruits. All of them were branched low methoxylated pectins with an amorphous or partially nanocrystalline nature and eight neutral monosaccharides (arabinose and galactose were most abundant). WSF, CSF and NSF ...
DOI:
10.1016/j.fshw.2022.07.059

5. Polysaccharides from pinhão seeds of Araucaria angustifolia: Extraction, isolation and structural characterization

Author:
Shayla Fernanda Barbieri; Lucas Trevisan França de Lima; Jéssica Caroline Scholze Baum; Keylla Lençone Mischiatti; Rossana Catie Bueno de Godoy; Joana Léa Meira Silveira
Source:
Journal of food composition and analysis 2023 v.115 pp. 104888
ISSN:
0889-1575
Subject:
arabinose,   etc   ; Araucaria angustifolia; arabinans; cell walls; chemical structure; conifers; dietary supplements; ecosystems; enzymatic treatment; food composition; glucose; industry; nuclear magnetic resonance spectroscopy; starch;     Show all 14 Subjects
Abstract:
... Araucaria angustifolia is one of the main conifer species with great economic importance. Its seeds, known as pinhão, play a fundamental role in ecosystem conservation and have promising potential for application in the food/nutraceutical industry. This study aimed to elucidate the fine chemical structure of polysaccharides, showing for the first time the composition of non-starch polysaccharides ...
DOI:
10.1016/j.jfca.2022.104888

6. Comparative characterization of nine novel GH51, GH54 and GH62 α‐l‐arabinofuranosidases from Penicillium subrubescens

Author:
Nancy Coconi Linares; Xinxin Li; Adiphol Dilokpimol; Ronald P. de Vries
Source:
FEBS letters 2022 v.596 no.3 pp. 360-368
ISSN:
0014-5793
Subject:
arabinose,   etc   ; Penicillium; fungi; glycosides; phytomass; substrate specificity;     Show all 6 Subjects
Abstract:
... α‐l‐Arabinofuranosidases (ABFs) are important enzymes in plant biomass degradation with a wide range of applications. The ascomycete fungus Penicillium subrubescens has more α‐l‐arabinofuranosidase‐encoding genes in its genome compared to other Penicillia. We characterized nine ABFs from glycoside hydrolase (GH) families GH51, GH54 and GH62 from this fungus and demonstrated that they have highly d ...
DOI:
10.1002/1873-3468.14278

7. Crystal structure of L-arabinose 1-dehydrogenase as a short-chain reductase/dehydrogenase protein

Author:
Seiya Watanabe; Kentaroh Yoshiwara; Ryo Matsubara; Yasunori Watanabe
Source:
Biochemical and biophysical research communications 2022 v.604 pp. 14-21
ISSN:
0006-291X
Subject:
arabinose,   etc   ; Herbaspirillum; crystal structure; models; oxidation; oxidoreductases; research;     Show all 7 Subjects
Abstract:
... l-Arabinose 1-dehydrogenase (AraDH) catalyzes the NAD(P)⁺-dependent oxidation of l-arabinose to L-arabinono-1,4-lactone in the non-phosphorylative l-arabinose pathway, and is classified into glucose-fructose oxidoreductase and short-chain dehydrogenase/reductase (SDR). We herein report the crystal structure of a SDR-type AraDH (from Herbaspirillum huttiense) for the first time. The interactions be ...
DOI:
10.1016/j.bbrc.2022.03.028

8. Structure of heteroxylans from vitreous and floury endosperms of maize grain and impact on the enzymatic degradation

Author:
Estelle Bonnin; Maud Joseph-Aimé; Luc Fillaudeau; Sylvie Durand; Xavier Falourd; Sophie Le Gall; Luc Saulnier
Source:
Carbohydrate polymers 2022 v.278 pp. 118942
ISSN:
0144-8617
Subject:
arabinose,   etc   ; cell walls; corn; endosperm; galactose; xylan; xylanases; xylose;     Show all 8 Subjects
Abstract:
... Heteroxylans (HX) from vitreous and floury parts of maize endosperm were isolated. Structural analysis showed a xylan backbone with few unsubstituted xylose residues (<9%) demonstrating the high content in side chains in both fractions. HX from floury endosperm contained more arabinose and galactose than vitreous HX. The mono-substitution rate was 15% higher in the vitreous endosperm HX. Similar a ...
DOI:
10.1016/j.carbpol.2021.118942

9. Glucose-Induced Biofilm Formation in Bacillus thuringiensis KPWP1 is Associated with Increased Cell Surface Hydrophobicity and Increased Production of Exopolymeric Substances

Author:
Sushmita Jha; Nirbhay K. Bhadani; Abhinash Kumar; Tapas K. Sengupta
Source:
Current microbiology 2022 v.79 no.1 pp. 24
ISSN:
0343-8651
Subject:
arabinose,   etc   ; Bacillus thuringiensis; arsenates; biofilm; carbon; galactose; glucose; hydrophobicity; pH;     Show all 9 Subjects
Abstract:
... Bacillus thuringiensis is an agriculturally and medically important bacteria as it produces insecticidal Cry proteins and can form biofilm on different plant surfaces. Previous studies reported that the ubiquitous carbon source glucose could induce restricted motility and fractal pattern formation in the growing colonies of pH, salt and arsenate tolerant Bacillus thuringiensis KPWP1. As bacteria a ...
DOI:
10.1007/s00284-021-02699-z

10. Analysis of molecular weight and structural changes in water-extractable arabinoxylans during the breadmaking process

Author:
Yasuyuki Nishitsuji; Kristin Whitney; Kenji Nakamura; Katsuyuki Hayakawa; Senay Simsek
Source:
Food chemistry 2022 v.386 pp. 132772
ISSN:
0308-8146
Subject:
arabinose,   etc   ; arabinoxylan; breadmaking; dough; fermentation; food chemistry; molecular weight; solubilization; xylose;     Show all 9 Subjects
Abstract:
... Arabinoxylans are important for dough and breadmaking properties. It is not clear how arabinoxylans of different molecular weights behave during the breadmaking process as well as the changes in individual structures. We investigated changes in the molecular weight and structure of water-extractable arabinoxylans. It was revealed that molecules larger than high molecular weight arabinoxylans were ...
DOI:
10.1016/j.foodchem.2022.132772

11. Biochemical characterization of a thermophilic exo-arabinanase from the filamentous fungus Rasamsonia emersonii

Author:
Jianlu An; Wenqiang Xu; Xiangfeng Meng; Guanjun Chen; Weixin Zhang; Weifeng Liu
Source:
Journal of bioscience and bioengineering 2022 v.133 no.4 pp. 316-322
ISSN:
1389-1723
Subject:
arabinose,   etc   ; Komagataella pastoris; arabinans; cell walls; fungi; genes; pH; thermal stability;     Show all 8 Subjects
Abstract:
... Arabinan in plant cell wall constitutes a major source of arabinose and arabino-oligosaccharides in nature. Exo-α-l-1,5-arabinanases release arabinose or arabino-oligosaccharides from arabinan in an exo-acting manner and therefore contribute to arabinan degradation. In this study, an exo-α-l-1,5-arabinanase belonging to GH93 family was identified from the thermophilic filamentous fungus Rasamsonia ...
DOI:
10.1016/j.jbiosc.2021.12.010

12. High-efficiency separation of hemicellulose from bamboo by one-step freeze–thaw-assisted alkali treatment

Author:
Fanyan Zeng; Shanshan Wang; Jiarui Liang; Liming Cao; Xiaoxu Liu; Chengrong Qin; Chen Liang; Chuanling Si; Zebin Yu; Shuangquan Yao
Source:
Bioresource technology 2022 v.361 pp. 127735
ISSN:
0960-8524
Subject:
arabinose,   etc   ; alkali treatment; bamboos; cellulose; chemical structure; hemicellulose; lignin; solubility; temperature; xylose;     Show all 10 Subjects
Abstract:
... The selectivity of alkali treatment (AT) for hemicellulose separation is reduced due to the alkali solubility of lignin. It was improved using freeze–thaw-assisted alkaline treatment (FT/AT). In this study, bamboo hemicellulose was separated via a one-step freeze–thaw-assisted alkali treatment (OFT/AT). The effects of freezing temperature, freezing time, alkali concentration, and treatment time on ...
DOI:
10.1016/j.biortech.2022.127735

13. Isolation and structural characterization of cell wall polysaccharides from sesame kernel

Author:
Xiao-Yan Liu; Hai-Yang Yu; Yi-Zhou Liu; Zhao Qin; Hua-Min Liu; Yu-Xiang Ma; Xue-De Wang
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.163 pp. 113574
ISSN:
0023-6438
Subject:
arabinose,   etc   ; antioxidant activity; cell walls; functional foods; mannose; polysaccharides; thermal stability; thermogravimetry;     Show all 8 Subjects
Abstract:
... Cell wall polysaccharides from sesame kernel were extracted using sequential extraction method to obtained WSP, CSP, NSP, KSH-1, and KSH-4, respectively. In this study, the structures and properties of five polysaccharide fractions were analyzed. The results indicated that mannose was the predominant component monosaccharide in the WSP fraction, while arabinose was the predominant component monosa ...
DOI:
10.1016/j.lwt.2022.113574

14. Characterization of L-arabinose/D-galactose 1-dehydrogenase from Thermotoga maritima and its application in galactonate production

Author:
Mengke Xue; Sizhong Feng; Fang Xie; Hongyang Zhao; Yemin Xue
Source:
World journal of microbiology & biotechnology 2022 v.38 no.12 pp. 223
ISSN:
0959-3993
Subject:
arabinose,   etc   ; Escherichia coli; Thermotoga maritima; biotechnology; catalytic activity; galactose; microbiology; oxidation; pH;     Show all 9 Subjects
Abstract:
... The first hyperthermophilic L-arabinose/D-galactose 1-dehydrogenase (TmAraDH) from Thermotoga maritima was heterologously purified from Escherichia coli. It belongs to the Gfo/Idh/MocA protein family, prefers NAD⁺/NADP⁺ as a cofactor. The purified TmAraDH exhibited maximum activity toward L-arabinose at 75 °C and pH 8.0, and retained 63.7% of its activity after 24 h at 60 °C, and over 60% of its a ...
DOI:
10.1007/s11274-022-03406-1

15. Steam explosion pretreatment of Achyranthis bidentatae radix: Modified polysaccharide and its antioxidant activities

Author:
Junpeng Yi; Xin Li; Sai Wang; Tiantian Wu; Pu Liu
Source:
Food chemistry 2022 v.375 pp. 131746
ISSN:
0308-8146
Subject:
arabinose,   etc   ; antioxidants; discriminant analysis; food chemistry; galactose; galacturonic acid; polysaccharides; protein content;     Show all 8 Subjects
Abstract:
... Steam explosion technology was employed for the pretreatment of Achyranthis bidentatae radix (ABR) under mild conditions, followed by the polysaccharide extraction. An increase in the extraction yield and uronic acid content of crude polysaccharide were detected, along with a decrease in the protein content induced by the steam explosion. The monosaccharide analysis showed the main compositional m ...
DOI:
10.1016/j.foodchem.2021.131746

16. Pectin-type polysaccharide from galangal: An efficient emulsifier to construct the emulsion-based delivery system for galangal flavonoids

Author:
Yu Ke; Chunyang Geng; Lianzhu Lin; Mouming Zhao; Huishan Rao
Source:
International journal of biological macromolecules 2022 v.221 pp. 644-652
ISSN:
0141-8130
Subject:
arabinose,   etc   ; bile; chemical composition; digestion; emulsifiers; emulsions; flavonoids; galactose; galacturonic acid; polysaccharides; ultrasonics;     Show all 11 Subjects
Abstract:
... Galangal is rich in flavonoids and polysaccharides but underutilized. In this study, galangal flavonoids and polysaccharides (GP-HN and GP-UN) were obtained by segmented extraction, used for chemical composition determination/structural characterization, and constructed for the emulsion delivery system. The results showed that galangin accounted for 71.45 % of total flavonoids. GP-HN and GP-UN wer ...
DOI:
10.1016/j.ijbiomac.2022.09.051

17. Enhancement of L-ribulose Production from L-ribose Through Modification of Ochrobactrum sp. CSL1 Ribose-5-phosphate Isomerase A

Author:
Qian Zheng; Rong Wang; Xin Ju; Xujing Gu; Xinqi Xu; Zhi Chen; Liangzhi Li
Source:
Applied biochemistry and biotechnology 2022 v.194 no.10 pp. 4852-4866
ISSN:
0273-2289
Subject:
arabinose,   etc   ; Ochrobactrum; biotechnology; catalytic activity; enzymatic treatment; isomerases; isomerization; kinetics; molecular dynamics; mutants; ribulose;     Show all 11 Subjects
Abstract:
... L-ribulose, a kind of high-value rare sugar, could be utilized to manufacture L-form sugars and antiviral drugs, generally produced from L-arabinose as a substrate. However, the production of L-ribulose from L-arabinose is limited by the equilibrium ratio of the catalytic reaction, hence, it is necessary to explore a new biological enzymatic method to produce L-ribulose. Ribose-5-phosphate isomera ...
DOI:
10.1007/s12010-022-04015-2

18. Production of l-arabinonic acid from l-arabinose by the acetic acid bacterium Gluconobacter oxydans

Author:
Philipp Moritz Fricke; Rudolf Hartmann; Astrid Wirtz; Michael Bott; Tino Polen
Source:
Bioresource technology reports 2022 v.17 pp. 100965
ISSN:
2589-014X
Subject:
arabinose,   etc   ; Gluconobacter oxydans; acetic acid bacteria; acidification; biomass; bioreactors; carbon; glucose; oxidation; oxidoreductases; pH;     Show all 11 Subjects
Abstract:
... l-Arabinonic acid is a five carbon sugar acid valuable for various potential applications. Based on previous observations that Gluconobacter oxydans 621H oxidizes l-arabinose in the periplasm by the membrane-bound glucose dehydrogenase GdhM yielding l-arabinonic acid, we tested its ability for production. In fed-batch shake flasks without pH control, 17.4 g/L l-arabinonic acid and 5.7 g/L l-arabin ...
DOI:
10.1016/j.biteb.2022.100965

19. Structural characterization and antioxidant activity of polysaccharides extracted from Chinese yam by a cellulase-assisted method

Author:
Xue-Xia Liu; Ling-Biao Gu; Guang-Jie Zhang; Hua-Min Liu; Ya-Ting Zhang; Kun-Peng Zhang
Source:
Process biochemistry 2022 v.121 pp. 178-187
ISSN:
1359-5113
Subject:
arabinose,   etc   ; Dioscorea polystachya; antioxidant activity; antioxidants; cellulose; drugs; galactose; galacturonic acid; glucose; mannose; methylation;     Show all 11 Subjects
Abstract:
... Cellulase-assisted extraction of Chinese yam polysaccharides was investigated in the present study. The optimized method generated a polysaccharide yield of 10.6 % (w/w) from Chinese yam in 80 min using 8000 U/g of cellulose. Three polysaccharide fractions (CYP1, CYP2 and CYP3) were purified by Cellulose DEAE-52, and their structures and antioxidant activities were determined. There were five mono ...
DOI:
10.1016/j.procbio.2022.06.023

20. Unlocking Selective Pathways for Glucose Photoreforming by Modulating Reaction Conditions

Author:
Ugochukwu Nwosu; Heng Zhao; Md Kibria; Jinguang Hu
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.18 pp. 5867-5874
ISSN:
2168-0485
Subject:
arabinose,   etc   ; acetic acid; glucose; green chemistry; nanorods; nickel; oxidation; pH; photocatalysis; solvents; value added;     Show all 11 Subjects
Abstract:
... In this study, we present a systematic investigation of the relationship between the reaction conditions and product selectivity as applicable to glucose photoreforming. Nickel titanate (NiTiO₃) nanorods were synthesized to examine the photocatalytic oxidation of glucose to value-added products at various substrate concentrations, reaction times, solvent pH values, solvent compositions, and reacti ...
DOI:
10.1021/acssuschemeng.1c08708