Abstract
In China, there are about 1.6 million tons of thinned young apples (TYAs) every year after blossoming and fruit thinning. These resulting fruits, in reality, could be utilized as agricultural and food resource. This study was undertaken to evaluate the influence on physical properties, bioactive attributes of TYAs that were subjected to chosen drying techniques. In general, significant differences (p < 0.05) exist in physical appearance and polyphenol. Antioxidant capacity was also investigated on the basis of assay for Trolox equivalent antioxidant capacity (TEAC) by 2,2ʹ-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS), reducing power and 2, 2-diphenyl-1-picrylhydrazyl (DPPH) scavenging ability. Judging from the results, it was concluded that hot air drying at 60℃ is appropriate for large-scale production; furthermore, vacuum freeze drying tends to manufacture high-value up-market TYA products that are available to give the best results for dehydrated fruits. It is suggested that TYA has great potential in the food industry as functional ingredient.
Abbreviations and nomenclatures
Abbreviation interpretation
- Full name
Abbreviation
- Thinned young apple
TYA
- Thinned young apples
TYAs
- Hot air drying
HAD
- Shade drying
SD
- Vacuum freeze drying
VFD
- Total polyphenol concentration
TPC
Acknowledgment
This research was sponsored by modern apple industry technology system (code: nycytx-08) from Ministry of Agriculture of People’s Republic of China.
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©2015 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Modeling and Improving the Performance of Cabinet Solar Dryer Using Computational Fluid Dynamics
- Evaluation of Chemical, Biochemical and Microbiological Quality in Tomato Using Multivariate Analysis
- Effects of the Addition of Grape Seed Powder on the Thermorheological Properties of Frying Batters
- Degradation of Vitamin E in Nanoemulsions during Storage as Affected by Temperature, Light and Darkness
- Effect of Different Drying Processes on the Physicochemical and Antioxidant Properties of Thinned Young Apple
- Mechanical and Sensory Evaluation of Noodles Incorporated with Betel Leaf Extract
- Mathematical Modeling of Thin-Layer Solar Drying of Eland (Taurotragus oryx) Jerky
- Thin-Layer Drying Model of Rambutan (Nephelium lappaceum L.) Kernel and Its Application in Fat Extraction Process
- Color Change Kinetics of Tea Leaves During Microwave Drying
- Influence of Blanching Pretreatment on the Drying Characteristics of Cherry Tomato and Mathematical Modeling
- Studies on Grinding and Extraction of Oil from Fenugreek (Trigonella foenum-graecum) Seed
- Effect of Drum Drying on Physico-chemical Characteristics of Dragon Fruit Peel (Hylocereus polyrhizus)
- Standardization of Curing and Microwave Drying of Turmeric (Curcuma longa) Rhizomes
- Shorter Communication
- Assessment and Separation of Angiotensin I-Converting Enzyme Inhibitory Peptides in Chinese Soypaste
Artikel in diesem Heft
- Frontmatter
- Research Articles
- Modeling and Improving the Performance of Cabinet Solar Dryer Using Computational Fluid Dynamics
- Evaluation of Chemical, Biochemical and Microbiological Quality in Tomato Using Multivariate Analysis
- Effects of the Addition of Grape Seed Powder on the Thermorheological Properties of Frying Batters
- Degradation of Vitamin E in Nanoemulsions during Storage as Affected by Temperature, Light and Darkness
- Effect of Different Drying Processes on the Physicochemical and Antioxidant Properties of Thinned Young Apple
- Mechanical and Sensory Evaluation of Noodles Incorporated with Betel Leaf Extract
- Mathematical Modeling of Thin-Layer Solar Drying of Eland (Taurotragus oryx) Jerky
- Thin-Layer Drying Model of Rambutan (Nephelium lappaceum L.) Kernel and Its Application in Fat Extraction Process
- Color Change Kinetics of Tea Leaves During Microwave Drying
- Influence of Blanching Pretreatment on the Drying Characteristics of Cherry Tomato and Mathematical Modeling
- Studies on Grinding and Extraction of Oil from Fenugreek (Trigonella foenum-graecum) Seed
- Effect of Drum Drying on Physico-chemical Characteristics of Dragon Fruit Peel (Hylocereus polyrhizus)
- Standardization of Curing and Microwave Drying of Turmeric (Curcuma longa) Rhizomes
- Shorter Communication
- Assessment and Separation of Angiotensin I-Converting Enzyme Inhibitory Peptides in Chinese Soypaste