Related Experiment Video
Updated: May 15, 2025
14:37
High-throughput Synthesis of Carbohydrates and Functionalization of Polyanhydride Nanoparticles
Published on: July 6, 2012
11.4K
Enzymatic Synthesis of a Novel Short Linear Maltodextrin from Starch
Atsushi Kawano1, Tomohiro Yamamoto1, Yuya Shinagawa1
11 Research & Engineering Department, Showa Sangyo Co., Ltd.
Journal of Applied Glycoscience
|April 9, 2025
Summary
Short linear maltodextrin (SLMD) exhibits unique properties due to its linear chain structure. This novel maltodextrin shows distinct thermal and moisture-absorbing characteristics, suggesting potential food industry applications.
Area of Science:
- Carbohydrate Chemistry
- Food Science
Background:
- Maltodextrins are widely used in the food industry.
- Existing maltodextrins possess varying properties based on their synthesis and structure.
- There is a need for novel maltodextrins with distinct characteristics.
Purpose of the Study:
- To synthesize and characterize a novel short linear maltodextrin (SLMD).
- To investigate the unique physicochemical properties of SLMD.
- To explore the potential applications of SLMD in the food industry.
Main Methods:
- Synthesis of SLMD from starch using branching and debranching enzymes.
- Characterization using number-average degree of polymerization, chain length, and gel permeation chromatography.
- Analysis of blue value, λmax, thermal properties (turbidity), and moisture absorption.
Main Results:
- SLMD synthesized consists of linear chains with a degree of polymerization of 6-12.
- SLMD exhibits a higher blue value and longer λmax compared to commercial maltodextrin.
- SLMD shows reversible turbidity upon cooling/heating and limited moisture absorption, remaining solid.
Conclusions:
- SLMD possesses novel and distinct properties compared to conventional maltodextrins.
- The unique characteristics of SLMD suggest its potential for innovative food applications.
- Further research into SLMD functionality in food systems is warranted.
Related Concept Videos
01:15Dehydration Synthesis
132.1K
Overview
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
Synthesis of carbohydrates
Sugar molecules are covalently linked together by dehydration synthesis. During the reaction, the hydroxyl (-OH) group from...
Dehydration synthesis (also called a condensation reaction) is the chemical process in which two molecules covalently link together to form a new molecule, along with the release of a water molecule. Many physiologically important compounds form by dehydration synthesis reactions, such as complex carbohydrates, proteins, DNA, and RNA.
Synthesis of carbohydrates
Sugar molecules are covalently linked together by dehydration synthesis. During the reaction, the hydroxyl (-OH) group from...
132.1K
01:15Hydrolysis
103.5K
Overview
Hydrolysis is a chemical reaction in which the addition of water breaks down a polymer into its simpler monomer units. For example, peptides break into amino acids, carbohydrates into simple sugars, and DNA into nucleotides. Enzymes often facilitate these processes.
Hydrolysis Reverses Dehydration Synthesis
Complex carbohydrates can be broken down by breaking the bonds between individual sugar units. The reaction breaks a glycosidic bond as water is added to the compound. The...
Hydrolysis is a chemical reaction in which the addition of water breaks down a polymer into its simpler monomer units. For example, peptides break into amino acids, carbohydrates into simple sugars, and DNA into nucleotides. Enzymes often facilitate these processes.
Hydrolysis Reverses Dehydration Synthesis
Complex carbohydrates can be broken down by breaking the bonds between individual sugar units. The reaction breaks a glycosidic bond as water is added to the compound. The...
103.5K
01:34Introduction to Carbohydrates
12.1K
Carbohydrates, proteins, and fats are the primary macronutrients in the human diet. However, carbohydrates are the most favored source of energy in the body. They can be found in a wide variety of foods, including whole grains, fruit, and vegetables, in various forms, such as sugars, starch, and dietary fiber. Based on their structure, carbohydrates are classified into three main classes— monosaccharides, disaccharides, and polysaccharides. The body's cells can only utilize simple...
12.1K
01:24Oligosaccharide Assembly
2.7K
Protein glycosylation starts in the ER lumen and continues in the Golgi apparatus. Glycosyltransferases catalyze the addition of sugar molecules or glycosylation of proteins. Usually, these enzymes add sugars to the hydroxyl groups of selected serine or threonine residues to form O-linked glycans or the amino groups of asparagine residues to form N-linked glycans. Different positions on the same polypeptide chain can contain differently linked glycans.
Multiple sugar molecules that may or may...
Multiple sugar molecules that may or may...
2.7K
01:14Alkylation of β-Diester Enolates: Malonic Ester Synthesis
3.3K
Malonic ester synthesis is a method to obtain α substituted carboxylic acids from ꞵ-diesters such as diethyl malonate and alkyl halides.
3.3K
01:28ATP and Macromolecule Synthesis
5.1K
Biological macromolecules are organic compounds, predominantly composed of carbon atoms. The carbon atoms are covalently bonded with hydrogen, oxygen, nitrogen, and other minor elements. There are four major biological macromolecule classes: carbohydrates, lipids, proteins, and nucleic acids.
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...
Most macromolecules are composed of single subunits, or building blocks, called monomers. The monomers combine with each other using covalent bonds to form larger molecules known as polymers.
Conversion of...
5.1K