Abstract：
:Panax notoginseng is a widely used traditional Chinese medicine and has extensive pharmacological effects. In this work, water-soluble polysaccharides from Panax notoginseng were isolated and fractionated. One starch-like polysaccharide (PNPN) and six pectin fractions (PNPA-1A, PNPA-1B, PNPA-2A, PNPA-2B, PNPA-3A and PNPA-3B) were obtained. Monosaccharide composition, enzymatic hydrolysis, nuclear magnetic resonance and methylation analysis were combined to characterize their structures. PNPA-1A and PNPA-2A mainly contained 1,4-β-D-galactans, 1,5-α-L-arabinan and arabinogalactan II (AG-II). PNPA-3A was a typical rhamnogalacturonan I (RG-I) type pectin with 1,4-β-D-galactan and 1,5/1,3,5-α-L-arabinan side chains. PNPA-1B, PNPA-2B and PNPA-3B consisted of homogalacturonan (HG) as major domains, together with different ratios of RG-I and rhamnogalacturonan II (RG-II) domains. These results will provide basis for further investigation of structure-activity relationships of Panax notoginseng polysaccharides and be useful for the application of Panax notoginseng.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Chan MK,Yu Y,Wulamu S,Wang Y,Wang Q,Zhou Y,Sun Ldoi
10.1016/j.ijbiomac.2020.03.233subject
Has Abstractpub_date
2020-07-15 00:00:00pages
376-385eissn
0141-8130issn
1879-0003pii
S0141-8130(20)32820-8journal_volume
155pub_type
杂志文章abstract：:The physicochemical properties of 4-α-glucanotransferase (4αGTase)-modified rice flours were examined by measuring the molecular weight distribution, moisture sorption isotherm, and melting enthalpy of ice crystals. The results obtained by measuring the moisture sorption isotherm and melting enthalpy of ice crystals r...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2013.04.032
更新日期：2013-09-01 00:00:00
abstract：:Cobalt ferrite nanoparticles (CF), titanate nanotubes (T), alginate (G) and their nanocomposite microparticles (CF/G and T/G) were prepared and used for efficient removal of Cu2+, Fe3+ and As3+ ions from water. The nanocomposites were characterized using field emission scanning electron microscopy (FESEM), X-ray diffr...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2017.04.021
更新日期：2017-09-01 00:00:00
abstract：:A novel neutral exopolysaccharide (EPS-III) was isolated from culture broth of Cordyceps militaris (C. militaris). The EPS-III was a homogeneous polysaccharide with Mw of 1.56 × 103 kDa. The yield of EPS-III from culture broth was 123.2 ± 3.1 mg/L and the sugar content was 93.32 ± 0.87%. The backbone of EPS-III was ma...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.10.207
更新日期：2021-01-01 00:00:00
abstract：:The aim of the present study was to prepare chitosan guar nanoparticle (CGNP) with high antimicrobial activity to use as a bioprotectant against rice phytopathogens. Nanoparticles were prepared using sodium tripolyphosphate by the ionic gelation method. The physico-chemical properties of nanoparticles were characteriz...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.03.001
更新日期：2020-06-15 00:00:00
abstract：:A novel antioxidative film was prepared by drying a film-forming solution containing the Flos Sophorae Immaturus extract (FSIE) (0-3.5%) and cassia gum (CG). Scanning electron microscopy (SEM) showed that FSIE was successfully compounded with CG. Although the addition of FSIE slightly increased the water vapor permeab...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.11.082
更新日期：2021-01-15 00:00:00
abstract：:Development of parenteral nanoformulations is highly challenging due to the stringent demands on stability, reproducibility and high drug loading with minimal excipients. This study focuses on the development of a pharmaceutically acceptable nanomatrix system for parenteral delivery based on Hydroxyethyl Starch (HES),...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2014.12.012
更新日期：2015-03-01 00:00:00
abstract：:Accommodation in the mammalian lens requires flexure of lens fibres and some redistribution of their contents involving limited viscous flow. Shear-dependent viscosity of bovine alpha-crystallin solutions was determined with the Contraves Low-Shear Rheometer between 4.4 and 347 mg ml(-1), and at 15.5, 25, 30, and 37 d...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/s0141-8130(02)00018-1
更新日期：2002-06-18 00:00:00
abstract：:In the present study an attempt is made to elucidate the effects of various cosolvents, such as sorbitol, sucrose, xylose and glycerol, on papain. The stabilizing effects of these cosolvents on the structure and function of papain is determined by the activity measurements, fluorescence spectroscopy and differential s...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2007.05.009
更新日期：2007-10-01 00:00:00
abstract：:The development of porous carbon materials from sustainable natural sources is an attractive topic in the field of energy storage materials. This study proposed the production of nitrogen-doped porous carbon (NPC) materials from the renewable cellulose nanocrystal (CNC) as carbon source and water-soluble urea as nitro...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.09.011
更新日期：2020-12-01 00:00:00
abstract：:In the present study, the conformational changes of bovine submaxillary mucin (BSM) adsorbed on a hydrophobic surface (polystyrene (PS)) as a function of concentration in bulk solution (up to 2mg/mL) have been investigated with biomolecular probe-based approaches, including bicinchoninic acid (BCA), enzyme-linked immu...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2014.09.035
更新日期：2015-01-01 00:00:00
abstract：:Alhydwan, has been used in bakery products for many years in South of Yemen. Alhydwan primary function in bakery products is to inhibit moisture content during storage, leading to improved shelf life. However, as a fresh strategy to bread staling, no extensive study has been conducted to evaluate its potential. The pr...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.04.023
更新日期：2020-08-01 00:00:00
abstract：:Crocin, a water-soluble carotenoid in saffron, is a highly bioactive compound with limited use due to instability to pH variations, heat and oxidative stress, rapid absorption and low bioavailability. In this study, chitosan-alginate nanoparticles, considered as a new vehicle for crocin to improve properties in terms ...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2017.02.095
更新日期：2017-06-01 00:00:00
abstract：:Waxy maize starch was irradiated under different doses of radiation (2-30 kGy), and starch physicochemical properties were analysed. Films were subsequently produced from native and irradiated waxy maize starches and their properties were tested. The starch molecular weight markedly decreased with increasing irradiati...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.01.287
更新日期：2020-05-15 00:00:00
abstract：:The aim of this study was to develop a novel approach allowing simultaneous enrichment as well as specific and fast detection of Escherichia coli O157:H7 by indirect ELISA using optimized support membrane based on chitosan (CHI), cellulose nanocrystals (CNCs), and glycerol (GLY). Therefore, combining the step of the c...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.09.225
更新日期：2020-03-01 00:00:00
abstract：:UN1 is a membrane glycoprotein that is expressed in immature human thymocytes, a subpopulation of peripheral T lymphocytes, the HPB acute lymphoblastic leukemia (ALL) T-cell line and fetal thymus. We previously reported the isolation of a monoclonal antibody (UN1 mAb) recognizing the UN1 protein that was classified as...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2006.02.020
更新日期：2006-08-15 00:00:00
abstract：:Immunoscreening of a cDNA expression library of the Rhipicephalus (Boophilus) annulatus tick with purified rabbit anti-R annulatus salivary glands antigens polyclonal antibodies led to the identification of a 661bp sequence. The sequence includes an open reading frame of 543bp encoding a protein of 180 amino acids wit...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2010.08.006
更新日期：2010-12-01 00:00:00
abstract：:The effects of nano-ZnO and nano-SiO2 on the properties of PVA/xylan composite films were investigated in this work. Results showed that nano-ZnO and nano-SiO2 could effectively improve the mechanical strength, moisture and oxygen barrier properties and surface hydrophobic property of the composite films. The results ...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.03.088
更新日期：2019-07-01 00:00:00
abstract：:Green biocomposites based on corn starch plasticized with isosorbide and glycerol and filled with microcrystalline cellulose (MCC) were processed. The structural interactions, dynamomechanical properties, water absorption, and soil biodegradability were investigated by different techniques considering the effect of th...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.08.075
更新日期：2020-12-01 00:00:00
abstract：:The thermal helix-coil transition in UV irradiated collagen solution, collagen film and pieces of rat tail tendon (RTT) were compared. Their thermal stability's were determined by differential scanning calorimeter (DSC) and by viscometric measurements. The denaturation temperatures of collagen solution, film and piece...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/s0141-8130(99)00047-1
更新日期：1999-05-01 00:00:00
abstract：:A new series of substituted tacrine/acridine and tacrine/tacrine dimers with aliphatic or alkylene-thiourea linkers was synthesized and the potential of these compounds as novel human acetylcholinesterase (hAChE) and human butyrylcholinesterase (hBChE) inhibitors with nanomolar inhibition activity was evaluated. The m...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2014.06.064
更新日期：2014-09-01 00:00:00
abstract：:To explore a valuable new enzyme method that effectively changes the molecular structure and absorption property of potato and sweet potato starch granules, the common combination of α-amylase (AA) and glucoamylase (GA), namely AA → GA (common method as contrast), the combination of glycosyltransferase (GT) and GA, na...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.09.164
更新日期：2020-02-01 00:00:00
abstract：:Chitin-glucan complex (CGC) was used for the first time for the preparation of hydrogels. Alkali solvent systems, NaOH and KOH solutions, either at 1 or 5 mol/L, were used for CGC dissolution using a freeze-thaw procedure (freezing at -20 °C and thawing at room temperature; four cycles). The CGC solutions thus obtaine...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.11.141
更新日期：2020-08-01 00:00:00
abstract：:Huanglongbing (HLB) is a devastating citrus disease associated with Candidatus Liberibacter asiaticus (CLas) and is transmitted by the psyllid Diaphorina citri Kuwayama. Diaphorina citri belongs to Hemiptera order, which has cysteine peptidases as the most abundant proteolytic enzymes present in digestive tract. As cy...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2020.04.070
更新日期：2020-04-30 00:00:00
abstract：:Leuconostoc mesenteroides S81 was isolated from traditional sourdough as an exopolysaccharide (EPS) producer strain. The monosaccharide composition of the EPS from strain S81 was characterized by HPLC analysis and only fructose was found in the repeating unit structure. The NMR spectroscopy analysis revealed that EPS ...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.06.078
更新日期：2019-09-01 00:00:00
abstract：:This is the first report on the identification and partial characterization of phospholipase D (EC 3.1.4.4) from Allium sativum (garlic) bulbs (PLD(GB)). The enzyme shares the phenomenon of interfacial activation with other lipolytic enzymes, i.e. the hydrolytic rate increases when the substrate changes to a more aggr...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2008.01.007
更新日期：2008-05-01 00:00:00
abstract：:Sesbania gum (SG) was successfully modified by combining cross-linking with hydroxypropylation in solvent of ethanol. The hydroxypropylation technology parameters were optimized by the orthogonal test. The results indicated that both cross-linking and hydroxypropylation could improve the freeze-thaw stability, acid an...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.10.188
更新日期：2020-06-01 00:00:00
abstract：:The exploration of new sources of L-asparaginase with low glutaminase activity is of great interest in both medical and food applications. In the current study, a novel L-asparaginase gene (CobAsnase) from halotolerant Cobetia amphilecti AMI6 was cloned and over-expressed in Escherichia coli. The enzyme had a molecula...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.10.258
更新日期：2020-01-15 00:00:00
abstract：:The immobilization of enzyme with enhanced catalytic activity is the major challenge. In this work, we have activated the lipase in the presence of proline and successfully immobilized into zeolitic imidazolate framework (ZIF)-8 by biomineralization method. The prepared lipase-proline MOF exhibited 135% enhanced catal...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2019.10.199
更新日期：2020-06-01 00:00:00
abstract：:In the present study, adsorption of Cu(II) ions from aqueous solutions was evaluated using new thin adsorptive membranes modified with silver nanoparticles. Membranes were prepared from chitosan/polyacrylamide polymer blend. The variation of adsorption process was investigated in batch sorption mode. Infrared absorpti...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2016.01.101
更新日期：2016-05-01 00:00:00
abstract：:Synthesis of Starch-g-(Poly N, N-dimethylacrylamide-co-acrylic acid) was carried out by solution polymerization technique using potassium perdisulfate (K(2)S(2)O(8)) as the initiator. The graft copolymer was characterized by measuring molecular weight, using size exclusion chromatography (SEC), FTIR spectroscopy and X...
journal_title：International journal of biological macromolecules
pub_type： 杂志文章
doi：10.1016/j.ijbiomac.2014.09.003
更新日期：2015-01-01 00:00:00
