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Related Concept Videos

Cell Adhesion in Plants01:14

Cell Adhesion in Plants

Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose, and...
Plasmodesmata02:32

Plasmodesmata

The organs in a multicellular organism’s body are made up of tissues formed by cells. To work together cohesively, cells must communicate. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.Intercellular junctions are a feature of fungal, plant, and animal cells alike. However, different types of junctions are found in different kinds of cells. Intercellular junctions found in animal...
Plasmodesmata01:20

Plasmodesmata

In a multicellular organism, cells must communicate to work together in a coordinated manner. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
Intercellular junctions are a feature of fungal, plant, and animal cells. However, different types of junctions are found in different kinds of cells. Intercellular junctions found in animal cells include tight junctions, gap junctions, and...
Role of Microtubules in Cell Wall Deposition01:02

Role of Microtubules in Cell Wall Deposition

Microtubules are small hollow tubes in eukaryotic cells. The cell wall microtubules are polymerized dimers of two globular proteins, α-tubulin and β-tubulin, two globular proteins. With a diameter of about 25 nm, microtubules are the widest components of the cytoskeleton. They help the cell resist compression and provide a track along which vesicles move through the cell or pull replicated chromosomes to opposite ends of a dividing cell. Microtubules go through quick cycles of disassembly and...
Cellulose and Pectic Polysaccharides01:15

Cellulose and Pectic Polysaccharides

Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth.  Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the parenchyma cells of...
Adhesion01:14

Adhesion

Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow glass...

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Related Experiment Video

Updated: Jul 16, 2026

Preparation of Hard Palm Seeds for Matrix-Assisted Laser Desorption/Ionization-Imaging Mass Spectrometry Analysis
07:55

Preparation of Hard Palm Seeds for Matrix-Assisted Laser Desorption/Ionization-Imaging Mass Spectrometry Analysis

Published on: June 30, 2023

Seed mucilage from Ipomoea dasysperma.

V Singh1, M Pandey, A Srivastava

  • 1Department of Chemistry, University of Allahabad, Allahabad-211002, India. singhvandanasingh@rediffmail.com

Fitoterapia
|March 10, 2007
PubMed
Summary

Researchers isolated a non-ionic galactomannan from Ipomoea dasysperma seeds. This water-soluble seed gum, with potential food and pharmaceutical applications, has a unique structure.

Area of Science:

  • Plant biochemistry
  • Food science
  • Pharmaceutical sciences

Background:

  • Galactomannans are non-ionic polysaccharides found in plant seeds.
  • These gums are widely used in various industries due to their functional properties.

Purpose of the Study:

  • To isolate and characterize a novel galactomannan from Ipomoea dasysperma seeds.
  • To evaluate its structural properties and potential industrial applications.

Main Methods:

  • Isolation of galactomannan from Ipomoea dasysperma endosperm.
  • Characterization of the polysaccharide's chemical structure and composition.
  • Assessment of its physical and chemical properties.

Main Results:

  • A non-ionic, water-soluble galactomannan was successfully isolated.

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  • The gum consists of galactose and mannose in a 1:6 molar ratio.
  • Structural analysis revealed a linear chain of beta (1-->4) linked mannopyranosyl units with alpha (1-->6) linked D-galactose side chains.

    • Conclusions:

    • Ipomoea dasysperma seed gum exhibits non-ionic characteristics similar to commercial seed gums.
    • The unique structure and properties suggest significant potential for use in the food and pharmaceutical industries.