Polysaccharide from leaf skin of Aloe barbadensis Miller: Part I. Extraction, fractionation, physicochemical properties and structural characterization

Shi, Xiaodan; Nie, Shaoping; Yin, Jingdong; Que, Zhi-Qiang; Zhang, Liu-Jing; Huang, Xiao‐Jun

doi:10.1016/j.foodhyd.2017.06.039

Cited by 88 publications

(24 citation statements)

References 44 publications

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“…The peak appeared at approximately 3400 cm −1 and indicated the presence of intermolecular hydrogen bonds. A stretching vibration peak for the C‐H bond was observed at 2928.33 cm −1 (Shi et al , ). The peaks for polysaccharides at 1644.83, 1640.40 and 1643.74 cm −1 were C=O stretching vibration peaks (Wang et al , ).…”

Section: Resultsmentioning

confidence: 99%

Extraction, isolation, characterisation, antioxidant and anti‐fatigue activities of Pleurotus eryngii polysaccharides

Zhao¹,

Chen²,

Jia³

et al. 2020

Int J of Food Sci Tech

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Pleurotus eryngii polysaccharide (PEP) was obtained using hot water extraction and ethanol precipitation. Three purified polysaccharide fractions (namely PEP1-A, PEP2-A and PEP3-A) were obtained from PEP using DEAE-cellulose-52 chromatography and a gel permeation Sephadex G-100 column. Firstly, this paper examined the characterisation of PEP1-A, PEP2-A and PEP3-A. The corresponding molecular weights were 5.378 9 10 5 , 9.506 9 10 6 and 4.975 9 10 5 Da, respectively. PEP1-A, PEP2-A and PEP3-A had similar monosaccharide compositions. PEP1-A was b-configuration, and PEP2-A and PEP3-A were a-configuration. PEP1-A, PEP2-A and PEP3-A had pyran-type rings, (1 ? 3) glucose and (1 ? 6) galactose linkages. Secondly, PEP, PEP1-A, PEP2-A and PEP3-A possessed antioxidant activities, and PEP was best. Therefore, only PEP was used to study its anti-fatigue activity in vivo. The result proved that PEP had anti-fatigue activity. PEP could be used as a valuable natural food supplement for preventing anti-fatigue or functional food.

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Section: Resultsmentioning

confidence: 99%

Extraction, isolation, characterisation, antioxidant and anti‐fatigue activities of Pleurotus eryngii polysaccharides

Zhao¹,

Chen²,

Jia³

et al. 2020

Int J of Food Sci Tech

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“…The global popularity of A . vera is also attributed to its high polysaccharide content (Ahl et al, ; Eberendu et al, ; Shi et al, ). Therefore, predictable changes in the polysaccharide composition of Aloe species stimulated by drought stress or water availability could have practical ramifications for the management of species farmed for the hydrenchyma tissue, such as Aloe arborescence in Asia, A .…”

Section: Discussionmentioning

confidence: 99%

Dynamics of intracellular mannan and cell wall folding in the drought responses of succulent Aloe species

Ahl

Mravec

Jørgensen

et al. 2019

Plant Cell & Environment

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Plants have evolved a multitude of adaptations to survive extreme conditions. Succulent plants have the capacity to tolerate periodically dry environments, due to their ability to retain water in a specialized tissue, termed hydrenchyma. Cell wall polysaccharides are important components of water storage in hydrenchyma cells. However, the role of the cell wall and its polysaccharide composition in relation to drought resistance of succulent plants are unknown. We investigate the drought response of leaf-succulent Aloe (Asphodelaceae) species using a combination of histological microscopy, quantification of water content, and comprehensive microarray polymer profiling. We observed a previously unreported mode of polysaccharide and cell wall structural dynamics triggered by water shortage. Microscopical analysis of the hydrenchyma cell walls revealed highly regular folding patterns indicative of predetermined cell wall mechanics in the remobilization of stored water and the possible role of homogalacturonan in this process. The in situ distribution of mannans in distinct intracellular compartments during drought, for storage, and apparent upregulation of pectins, imparting flexibility to the cell wall, facilitate elaborate cell wall folding during drought stress. We conclude that cell wall polysaccharide composition plays an important role in water storage and drought response in Aloe.

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“…A C C E P T E D The SEC results ( Figure 6) show that the w(log R h ) were either bi-or trimodal, and with increased storage time, all components were either constant or moved to slightly lower molecular sizes. The multimodality suggests several different WSP components, as is often seen in natural products such as these (Shi, et al, 2017); compositional analysis of these separate components would be interesting but not relevant to the direct aim of the present…”

Section: A N U S C R I P Tmentioning

confidence: 99%

Colloid chemistry approach to understand the storage stability of fermented carrot juice

Wan

Gilbert

et al. 2019

Food Hydrocolloids

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Polysaccharide from leaf skin of Aloe barbadensis Miller: Part I. Extraction, fractionation, physicochemical properties and structural characterization

Cited by 88 publications

References 44 publications

Extraction, isolation, characterisation, antioxidant and anti‐fatigue activities of Pleurotus eryngii polysaccharides

Extraction, isolation, characterisation, antioxidant and anti‐fatigue activities of Pleurotus eryngii polysaccharides

Dynamics of intracellular mannan and cell wall folding in the drought responses of succulent Aloe species

Colloid chemistry approach to understand the storage stability of fermented carrot juice

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