Related Experiment Video
Updated: May 6, 2026
12:02
Automated Modular High Throughput Exopolysaccharide Screening Platform Coupled with Highly Sensitive Carbohydrate Fingerprint Analysis
Published on: April 11, 2016
11.4K
Gums from different botanical sources: Physicochemical characterization seldom found in literature
Luan Alberto Andrade1, Cleiton Antônio Nunes2, Joelma Pereira2
1Department of Chemistry, Federal University of Lavras, Lavras, MG 37200-900, Brazil..
Food Chemistry
|November 24, 2024
Summary
This study analyzed physicochemical properties of food additive gums like arabic, locust bean, and guar. Results show these polysaccharides contain minerals and simple sugars, forming slightly acidic solutions.
Area of Science:
- Food Science
- Analytical Chemistry
- Material Science
Background:
- Physicochemical properties of gums influence their functionality and applications as food additives.
- Commercial gums from diverse botanical sources are widely used but their specific characteristics are not always well-documented.
Purpose of the Study:
- To evaluate and compare rarely reported physicochemical properties of commercial gums.
- To assess differences in mineral content, simple sugars, pH, and titratable acidity among gums from various botanical sources.
Main Methods:
- Analysis of mineral content (P, K, Ca, Mg, S) in gums.
- Quantification of simple sugars.
- Measurement of pH and titratable acidity.
Main Results:
- All studied gums (arabic, locust bean, guar) contained trace amounts of simple sugars and minerals.
- Titratable acidity suggests the presence of organic acids within the gums.
- The gums form slightly acidic solutions.
Conclusions:
- The evaluated gums are primarily composed of polysaccharides.
- Minor variations in physicochemical properties exist among different commercial gums.
- Understanding these properties is crucial for optimizing their use as food additives.
Related Concept Videos
02:26Non-vascular Seedless Plants
58.1K
The diverse plant life on Earth—consisting of nearly 400,000 species—can be divided into three broad categories based on biological characteristics: nonvascular, seedless vascular, and seed plants.
58.1K
02:57Physical and Chemical Properties of Matter
147.3K
The characteristics that enable us to distinguish one substance from another are called properties.
147.3K
02:37Experimental Determination of Chemical Formula
35.7K
The elemental makeup of a compound defines its chemical identity, and chemical formulas are the most concise way of representing this elemental makeup. When a compound’s formula is unknown, measuring the mass of its constituent elements is often the first step in determining the formula experimentally.
35.7K
01:26Polymer Classification: Stereospecificity
2.3K
Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
2.3K
01:20Tonicity in Plants
25.5K
Plant cells maintain appropriate osmotic balance in extreme conditions. For instance, plants in dry environments store water in vacuoles, limit the opening of their stoma, and have thick, waxy cuticles to prevent unnecessary water loss. Some species of plants that live in salty environments store salt in their roots. As a result, water osmosis occurs in the root from the surrounding soil.
Tonicity
Tonicity describes the capacity of a cell to lose or gain water depending on the solute...
Tonicity
Tonicity describes the capacity of a cell to lose or gain water depending on the solute...
25.5K
01:09Chemical Symbols
91.1K
A chemical symbol is an abbreviation that is used to indicate an element or an atom of an element. For example, the symbol for mercury is Hg. We use the same symbol to indicate one atom of mercury (microscopic domain) or to label a container of many atoms of the element mercury (macroscopic domain).
Some symbols are derived from the common name of the element; others are abbreviations of the name in another language. Most symbols have one or two letters, but three-letter symbols have been used...
Some symbols are derived from the common name of the element; others are abbreviations of the name in another language. Most symbols have one or two letters, but three-letter symbols have been used...
91.1K