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Tiger Nut (Cyperus esculentus L.): Nutrition, Processing, Function and Applications.
Yali Yu1, Xiaoyu Lu1, Tiehua Zhang1
1Department of Food Science and Engineering, Jilin University, Changchun 130062, China.
Foods (Basel, Switzerland)
|February 25, 2022
Summary
Tiger nuts (Cyperus esculentus L.) are nutrient-rich tubers with valuable lipids, protein, and bioactive compounds. Research highlights optimal extraction methods and their diverse food applications, alongside potential health benefits.
Area of Science:
- Food Science and Technology
- Nutritional Biochemistry
- Agricultural Science
Background:
- Tiger nuts (Cyperus esculentus L.) are tubers rich in lipids, protein, starch, fiber, vitamins, minerals, and bioactive factors.
- They possess significant nutritional value and have been traditionally used for food and feed.
- Recent research indicates potential medical properties, including radical scavenging and anti-inflammatory effects.
Purpose of the Study:
- To systematically review the nutritional composition of tiger nuts.
- To explore various processing methods for extracting edible components like oil, starch, and protein.
- To assess the physiochemical properties, functional characteristics, and food industry applications of tiger nut components.
Main Methods:
- Literature review of existing studies on tiger nut composition, processing, and applications.
- Analysis of different extraction techniques, including mechanical compression, alkaline methods, and alkali extraction-acid precipitation.
- Evaluation of physiochemical and functional properties influenced by extraction methods.
Main Results:
- Mechanical compression, alkaline methods, and alkali extraction-acid precipitation are identified as suitable methods for oil, starch, and protein extraction, respectively.
- Extraction methods significantly impact the functional and nutritional properties of tiger nut components.
- Tiger nuts exhibit antioxidant, anti-inflammatory, and anti-apoptotic properties, suggesting therapeutic potential.
Conclusions:
- Comprehensive utilization of tiger nut nutrients requires combining traditional extraction methods with innovative techniques to enhance yield and physiochemical characteristics.
- Tiger nut-derived products like milk, snacks, beverages, and gluten-free bread are already established.
- Further research is needed to fully exploit tiger nuts' functional properties, explore modifications, and optimize processing for industrial-scale production.
Keywords:
applicationsfood processingfunctional characteristicsnutritional compositionphysicochemical propertiestiger nutMore Related Videos
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