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Showing 1 to 12 of 252 entries
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Retting and degumming of natural fibers by pectinolytic enzymes produced from Bacillus tequilensis SV11-UV37 using solid state fermentation.

SpringerPlus

Chiliveri SR, Koti S, Linga VR.
PMID: 27218009
Springerplus. 2016 May 04;5:559. doi: 10.1186/s40064-016-2173-x. eCollection 2016.

The present study demonstrated the simultaneous production and optimization of pectinolytic enzymes (pectate lyase and polygalacturonase) under SSF from Bacillus tequilensis SV11-UV37 using wheat bran as a substrate, which is commercially viable and cost-effective. Optimization by one variable-at-a-time-approach showed...

Ultrasound-assisted extraction of polysaccharides from Artemisia selengensis Turcz and its antioxidant and anticancer activities.

Journal of food science and technology

Wang J, Lu HD, Muḥammad U, Han JZ, Wei ZH, Lu ZX, Bie XM, Lu FX.
PMID: 27162382
J Food Sci Technol. 2016 Feb;53(2):1025-1034. doi: 10.1007/s13197-015-2156-x. Epub 2016 Jan 04.

Artemisia selengensis Turcz (AST) is a perennial herb with therapeutic and economic applications in China. The effects of ultrasound-assisted extraction (UAE) parameters upon extraction yield (EY%), antioxidant and antitumor activities of the polysaccharides extracts were studied by using a...

An Evaluation of the Binding Strength of Okra Gum and the Drug Release Characteristics of Tablets Prepared from It.

Pharmaceutics

Hussain A, Qureshi F, Abbas N, Arshad MS, Ali E.
PMID: 28574438
Pharmaceutics. 2017 Jun 02;9(2). doi: 10.3390/pharmaceutics9020020.

The aim of this study is to evaluate the adhesion ability of okra gum, which is gaining popularity as a tablet binder. For this purpose, gum was extracted from okra pods, and the binding strength of different concentrations (1%,...

Similarity Evaluation of Different Origins and Species of Dendrobiums by GC-MS and FTIR Analysis of Polysaccharides.

International journal of analytical chemistry

Chen ND, Chen NF, Li J, Cao CY, Wang JM, Huang HP.
PMID: 26539215
Int J Anal Chem. 2015;2015:713410. doi: 10.1155/2015/713410. Epub 2015 Oct 11.

GC-MS method combined with FTIR techniques by the analysis of polysaccharide was applied to evaluate the similarity between wild (W) and tissue-cultured (TC) Dendrobium huoshanense (DHS), Dendrobium officinale (DO), and Dendrobium moniliforme (DM) as well as 3 wild Dendrobium...

The polysaccharide structure of potato cell walls: Chemical fractionation.

Planta

Jarvis MC, Hall MA, Threlfall DR, Friend J.
PMID: 24302375
Planta. 1981 Jun;152(2):93-100. doi: 10.1007/BF00391179.

Cell walls of potato tubers were fractionated by successive extraction with various reagents. A slightly degraded pectic fraction with 77% galacturonic acid was extracted in hot, oxalate-citrate buffer at pH 4. A further, major pectic fraction with 38% galacturonic...

Combined enzymatic and colorimetric method for determining the uronic acid and methylester content of pectin: Application to tomato products.

Food chemistry

Anthon GE, Barrett DM.
PMID: 26050189
Food Chem. 2008 Sep 01;110(1):239-47. doi: 10.1016/j.foodchem.2008.01.042. Epub 2008 Feb 02.

A simple procedure for determining the galacturonic acid and methanol contents of soluble and insoluble pectins, relying on enzymatic pectin hydrolysis and colorimetric quantification, is described. Pectin samples are incubated with a commercial pectinase preparation, Viscozyme, then the galacturonic...

Generation of Nutrients and Detoxification: Possible Roles of Yeasts in Leaf-Cutting Ant Nests.

Insects

Mendes TD, Rodrigues A, Dayo-Owoyemi I, Marson FA, Pagnocca FC.
PMID: 26467957
Insects. 2012 Feb 17;3(1):228-45. doi: 10.3390/insects3010228.

The possible roles played by yeasts in attine ant nests are mostly unknown. Here we present our investigations on the plant polysaccharide degradation profile of 82 yeasts isolated from fungus gardens of Atta and Acromyrmex species to demonstrate that...

Ion-pair RP-HPLC determination of sugars, amino sugars, and uronic acids after derivatization with p-aminobenzoic acid.

Analytical chemistry

Meyer A, Raba C, Fischer K.
PMID: 11403275
Anal Chem. 2001 Jun 01;73(11):2377-82. doi: 10.1021/ac001402s.

A new, selective, and sensitive ion-pair RP-HPLC method for the simultaneous determination of three classes of natural organic compounds, i.e., carbohydrates, amino sugars, and uronic acids, in environmental samples is presented. p-Aminobenzoic acid is used for precolumn derivatization of...

The Isolation and Partial Characterization of the Lipopolysaccharides from Several Rhizobium trifolii Mutants Affected in Root Hair Infection.

Plant physiology

Carlson RW, Shatters R, Duh JL, Turnbull E, Hanley B, Rolfe BG, Djordjevic MA.
PMID: 16665455
Plant Physiol. 1987 Jun;84(2):421-7. doi: 10.1104/pp.84.2.421.

The lipopolysaccharides (LPSs) from Rhizobium trifolii ANU843 and several transposon (Tn5) symbiotic mutants derived from ANU843 were isolated and partially characterized. The mutant strains are unable to induce normal root hair curling (Hac- phenotype) or nodulation (Nod-phenotype) in clover...

Occurrence and properties of polygalacturonase in Avena and other plants.

Plant physiology

Pressey R, Avants JK.
PMID: 16660135
Plant Physiol. 1977 Oct;60(4):548-53. doi: 10.1104/pp.60.4.548.

Polygalacturonase activity has been detected in a number of plants including seedlings of Phaseolus vulgaris, Zea mays, Avena sativa, and Pisum sativum. Particular emphasis was placed on characterizing the enzyme from oat seedlings. This enzyme is solubilized by 0.2...

Degradation of Cell Wall Polysaccharides during Tomato Fruit Ripening.

Plant physiology

Gross KC, Wallner SJ.
PMID: 16660660
Plant Physiol. 1979 Jan;63(1):117-20. doi: 10.1104/pp.63.1.117.

Changes in neutral sugar, uronic acid, and protein content of tomato (Lycopersicon esculentum Mill) cell walls during ripening were characterized. The only components to decline in amount were galactose, arabinose, and galacturonic acid. Isolated cell walls of ripening fruit...

Proton-Metal Cation Exchange in the Cell Wall of Nitella flexilis.

Plant physiology

Van Cutsem P, Gillet C.
PMID: 16663317
Plant Physiol. 1983 Nov;73(3):865-7. doi: 10.1104/pp.73.3.865.

When protons are exchanging for bivalent cations (Cu(2+), Zn(2+), or Ca(2+)) on the carboxylic groups of Nitella flexilis cell wall, the values of the respective global equilibrium constants do not change up to a protonation degree of 80%. These...

Showing 1 to 12 of 252 entries