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Related Concept Videos

Glucose Transporters01:27

Glucose Transporters

Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
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Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
Sugars as Energy Storage Molecules01:10

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Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
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Chemistry of Carbohydrates03:25

Chemistry of Carbohydrates

Carbohydrates are an essential part of the diet in humans and animals. Grains, fruits, and vegetables are natural sources of carbohydrates that provide energy to the body, particularly through glucose, a simple sugar that is a component of starch and an ingredient in many staple foods. The stoichiometric formula (CH2O)n, where n is the number of carbons in the molecule represents carbohydrates. In other words, the ratio of carbon to hydrogen to oxygen is 1:2:1 in carbohydrate molecules. This...

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An Induction System for Clustered Stomata by Sugar Solution Immersion Treatment in Arabidopsis thaliana Seedlings
04:32

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Published on: February 15, 2019

Two new sucrose esters from Sparganium stoloniferum.

Ying Xiong1, Ke-Zhong Deng, Yuan-Qiang Guo

  • 1School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.

Journal of Asian Natural Products Research
|May 9, 2008
PubMed
Summary

Researchers identified two novel sucrose esters from Sparganium stoloniferum. These compounds, along with two known sucrose esters, were structurally characterized using advanced spectroscopic techniques.

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Area of Science:

  • Natural Product Chemistry
  • Phytochemistry
  • Organic Chemistry

Background:

  • Sparganium stoloniferum is a plant species with potential medicinal properties.
  • Sucrose esters are a class of compounds with diverse biological activities.
  • Isolation and characterization of novel natural products contribute to understanding plant biochemistry.

Purpose of the Study:

  • To isolate and identify new sucrose esters from Sparganium stoloniferum.
  • To elucidate the chemical structures of the isolated compounds.
  • To contribute to the phytochemical knowledge of Sparganium stoloniferum.

Main Methods:

  • Extraction and isolation of compounds from Sparganium stoloniferum.
  • Structure elucidation using spectroscopic methods (e.g., NMR, Mass Spectrometry).
  • Comparison with known compounds.

Main Results:

  • Two new sucrose esters were isolated and identified: beta-d-(1-O-acetyl-3-O-trans-feruloyl)fructofuranosyl-alpha-d-2',4',6'-O-triacetylglucopyranoside (1) and beta-d-(1-O-acetyl-3-O-trans-feruloyl)fructofuranosyl-alpha-d-2',3',6'-O-triacetylglucopyranoside (2).
  • Two known sucrose esters were also isolated.
  • The structures of all isolated compounds were confirmed through spectroscopic analysis.

Conclusions:

  • The study successfully identified novel sucrose esters from Sparganium stoloniferum.
  • The findings expand the known chemical diversity of sucrose esters in this plant species.
  • Further research may explore the biological activities of these newly discovered compounds.