Chemical and spectroscopic studies of the gum polysaccharide from Acacia macracantha

Martínez, Maritza; Pinto, Gladys León de; Rivas, Carlos; Ocando, Edgar

doi:10.1016/0144-8617(96)00008-2

Cited by 25 publications

(9 citation statements)

References 15 publications

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“…There are resonance spectra due to the methyl group of rhamnose (δ 16.67 ppm) as reported earlier by Martinez et al, (1996).…”

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confidence: 62%

Physico-chemical and structural characterization of mucilage isolated from seeds of Diospyros melonoxylon Roxb.

Singh¹,

Bothara²

2014

Braz. J. Pharm. Sci.

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Mucilage was isolated from the seeds of Diospyros melonoxylonRoxb., a plant growing naturally in the forests of India. Various physico-chemical methods like particle analysis, scanning electron microscopy, differential scanning calorimetry, differential thermal analysis, thermogravimetry analysis, molecular weight by gel permeation chromatography, rheometry, elemental analysis, x-ray diffraction spectrometry, zeta potential, fourier transform infrared spectroscopy, 1D(1H and 13C) (NMR) have been employed to characterize this gum in the present study. Particle analyses suggest that mucilage had particle size in nanometer. SEM analysis suggested that the mucilage had irregular particle size. The glass transition temperature of the gum observed was 78 °C and 74 °C by DSC and DTA respectively. The Thermogravimetry analysis suggested that mucilage had good thermal stability with two stage decomposition. The molecular weight of mucilage was determined to be 8760, by gel permeation chromatography, while the viscosity of mucilage was observed to be 219.1 cP. The XRD pattern of the mucilage indicated a complete amorphous nature. Elemental analysis of the gum revealed specific contents of carbon, hydrogen, nitrogen and sulfur. The major functional groups identified from FT-IR spectrum include 3441 cm-1 (-OH), 1632 cm-1 (-COO-), 1414 cm-1 (-COO-) and 1219 cm-1 (-CH3CO). Analysis of mucilage by paper chromatography and 1D NMR indicated the presence of sugars.

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“…There are resonance spectra due to the methyl group of rhamnose (δ 16.67 ppm) as reported earlier by Martinez et al, (1996).…”

mentioning

confidence: 62%

Physico-chemical and structural characterization of mucilage isolated from seeds of Diospyros melonoxylon Roxb.

Singh¹,

Bothara²

2014

Braz. J. Pharm. Sci.

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“…For example, it has been reported that Acacia macracantha and Acacia glomerosa produce gum exudates containing the same monosaccharides that those found in A. senegal gum (Martínez et al, 1996;Beltrán et al, 2008). Acacia tortuosa has been reported as exhibiting surface active properties (Muñoz et al, 2007).…”

Section: Introductionmentioning

confidence: 97%

Physicochemical, shear flow behaviour and emulsifying properties of Acacia cochliacantha and Acacia farnesiana gums

Sibaja-Hernández

Román‐Guerrero

Sepúlveda-Jiménez

et al. 2015

Industrial Crops and Products

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“…An efficient agroforestry program to recover these areas may take advantage of multipurpose plant species that are able to grow in depauperate soils. Gum Arabic is obtained from some Acacia species (Martí nez et al, 1996;León de Pinto et al, 1998), and Acacia flowers are important for the perfume industry (Dimitri and Biloni, 1973;Allen and Allen, 1981). Their wood is hard, heavy, and durable.…”

mentioning

confidence: 99%

“…It is used in carpentry, chassis, parquet flooring, tie beams, and the like (Cialdella, 1984;Karlin et al, 1997). Gum Arabic is obtained from some Acacia species (Martí nez et al, 1996;León de Pinto et al, 1998), and Acacia flowers are important for the perfume industry (Dimitri and Biloni, 1973;Allen and Allen, 1981). Some species are grown as ornamental and/or shade trees, while armed shrubs are suitable for fences.…”

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confidence: 99%

First comparative phenetic studies of Argentinean species of Acacia (Fabaceae), using morphometric, isozymal, and RAPD approaches

Casiva

Saidman

Vilardi

et al. 2002

American J of Botany

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Morphological and genetic diversity among Acacia aroma, A. macracantha, A. caven, and A. furcatispina were studied with morphometric, isozymal, and RAPD approaches. The analysis of seven isozyme systems revealed 21 loci, and RAPD analysis showed 34 loci. Most of these loci allowed us to differentiate the species, with the exception of A. aroma and A. macracantha, the two most similar species. The levels of genetic variability estimated by isozymes were higher than those obtained from RAPD analyses. Morphometric characters showed highly significant differences among the species, although A. aroma and A. macracantha are differentiated only by thorn length. The phenogram obtained from isozyme data is consistent with morphological data. The RAPD phenogram based on allelic frequencies showed agreement with morphological and isozymal approaches only at the intraspecific levels, while the RAPD phenogram based on Nei and Li's similarity measures agreed with the phenograms constructed from isozyme and morphological data. High similarities and high indirect gene flow were found between A. aroma and A. macracantha, results that call the relationship between them into question.

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Chemical and spectroscopic studies of the gum polysaccharide from Acacia macracantha

Cited by 25 publications

References 15 publications

Physico-chemical and structural characterization of mucilage isolated from seeds of Diospyros melonoxylon Roxb.

Physico-chemical and structural characterization of mucilage isolated from seeds of Diospyros melonoxylon Roxb.

Physicochemical, shear flow behaviour and emulsifying properties of Acacia cochliacantha and Acacia farnesiana gums

First comparative phenetic studies of Argentinean species of Acacia (Fabaceae), using morphometric, isozymal, and RAPD approaches

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