Related Experiment Video
Updated: Aug 22, 2025
11:39
High-throughput Saccharification Assay for Lignocellulosic Materials
Published on: July 3, 2011
13.4K
Comprehensive Enzymatic Conversion of Starch for the Food Industry
Ekaterina Podgorbunskikh1, Aleksandr Sapozhnikov2, Timofei Kuskov1,3
1Laboratory of Mechanochemistry, Institute of Solid State Chemistry and Mechanochemistry SB RAS, 18 Kutateladze Str., 630090 Novosibirsk, Russia.
Polymers
|November 11, 2022
Summary
This study shows enzymatic conversion of starch creates biodegradable packaging and glucose syrup. These starch nanoparticles offer enhanced properties for food packaging and a sugar substitute for confectionery.
Area of Science:
- Food Science
- Biotechnology
- Materials Science
Background:
- Traditional starch applications often generate waste.
- Developing sustainable alternatives for food packaging and sweeteners is crucial.
Purpose of the Study:
- To demonstrate the feasibility of comprehensive enzymatic conversion of starch for non-waste applications.
- To explore the use of starch-derived nanoparticles in biodegradable packaging.
- To evaluate starch hydrolysates as a glucose syrup substitute.
Main Methods:
- Enzymatic hydrolysis of starch for 96 hours.
- Characterization of resulting starch nanoparticles (size < 100 nm).
- Fabrication and analysis of starch nanoparticle-based films.
- Production and comparison of glucose syrup from starch hydrolysates versus commercial sucrose-derived syrup.
Main Results:
- Enzymatic hydrolysis produced starch nanoparticles (<100 nm) and glucose syrup.
- Starch nanoparticle films exhibited improved physicochemical properties (reduced moisture, increased homogeneity, crystallinity, thermal stability).
- Starch nanoparticle films showed enhanced mechanical and performance characteristics for food packaging.
- The crystal structure transformed from C-type to B-type during film formation.
- Starch-derived glucose syrup was comparable to commercial sucrose-derived glucose syrup.
Conclusions:
- Comprehensive enzymatic conversion of starch is feasible for producing value-added products.
- Starch nanoparticles are suitable for manufacturing biodegradable and edible food packaging.
- Starch-derived glucose syrup serves as a viable sugar substitute in confectionery.
Keywords:
biodegradable packaging materialcomprehensive enzymatic conversionglucose syrupnano starch-based filmsnano-sized starch particlesrecrystallizationtapioca starchMore Related Videos
14:53Techniques for the Evolution of Robust Pentose-fermenting Yeast for Bioconversion of Lignocellulose to Ethanol
Published on: October 24, 2016
11.3K
06:51High-throughput Screening of Carbohydrate-degrading Enzymes Using Novel Insoluble Chromogenic Substrate Assay Kits
Published on: September 20, 2016
13.1K
Related Concept Videos
01:34Introduction to Carbohydrates
13.3K
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...
13.3K
01:36Carbohydrate Metabolism
11.4K
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in...
11.4K
00:57Carbohydrate Digestion
116.4K
Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. Carbohydrate digestion starts in the mouth during mastication, or chewing. The masticated carbohydrates remain intact in the stomach. Digestion resumes in the duodenum of the small intestine, where pancreatic alpha-amylase and brush border enzymes of the microvilli convert complex carbohydrates to monosaccharides. Finally, the monosaccharides...
116.4K
01:10Sugars as Energy Storage Molecules
8.7K
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...
8.7K
01:26Biosynthesis of Polysaccharides
60
Polysaccharides such as glycogen and starch are synthesized from nucleoside diphosphate sugars, primarily uridine diphosphate glucose (UDPG) and adenosine diphosphate glucose (ADPG). These activated glucose donors act as key intermediates in carbohydrate metabolism and biosynthesis. UDPG primarily involves glycogen synthesis in animals and many bacteria, while ADPG plays a fundamental role in starch synthesis in plants and certain bacteria.UDPG is formed when glucose-1-phosphate reacts with...
60
01:15Hydrolysis
107.3K
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...
107.3K