搜索结果: 1-15 共查到“食品加工技术 antioxidant activity”相关记录15条 . 查询时间(0.203 秒)
Optimisation of the antioxidant activity of kombucha fermented milk products
tea fungus fermentation antioxidants wild thyme RSM
2014/10/11
The antioxidant activity of fermented milk products obtained by using kombucha starter produced by fermentation on sweetened wild thyme extract was investigated. The starter was added to milk containi...
Antioxidant activity of red beet juices obtained after microwave and thermal pretreatments
betalains Beta vulgaris L. ORAC HORAC fruit-vegetable juices
2014/2/24
Pressed juices and water extracts from untreated, microwave pretreated, and thermally treated red beet were obtained. The highest total betalain content ?606.34 mg/100 g dry matter (DM) was found in p...
Changes of antioxidant activity in honey after heat treatment
heating phenolic compounds ferric reducing antioxidant power (FRAP) 1,1-diphenyl-2-picrylhydrazyl (DPPH)
2014/2/24
We determined how the antioxidant activity and total phenolic content of honey changed after being subjected to a high temperature. Antioxidant activity was determined using two methods ?FRAP (ferric ...
The Effect of Ultraviolet and Heat Treatments on Microbial Stability, Antioxidant Activity and Sensory Properties of Ready-to-serve Tropical Almond Drink
Ultraviolet Heat Treatments Antioxidant Activity
2016/6/1
There is a growing trend towards the production of ready to use multifunctional foods which has nutritional and medicinal value as well as good sensory properties. On the other hands, microbial safety...
Effect of temperature on the antioxidant activity of phenolic acids
antioxidants pork lard oxidasability Oxipres
2014/2/25
The effect of temperature on the antioxidant activity of phenolic acids (gallic, gentisic, protocatechuic, syringic, vanillic, ferulic, caffeic, and sinapic; 0.5 mmol/kg) was studied in pork lard, usi...
Antioxidant Activity and Phenolic Content of Air-Classified Corn Bran
Antioxidant Activity Phenolic Content Air-Classified Corn Bran
2014/5/23
The effectiveness of extracting free and bound phenolic compounds and antioxidant activities from air-classified corn bran was evaluated by various extracting methods. Free phenolic contents and antio...
Chemical Composition and Antioxidant Activity of Dates and Dates-Camel-Milk Mixtures as a Protective Meal against Lipid Peroxidation in Rats
Chemical Composition Antioxidant Dates Dates-Camel-Milk Mixtures Lipid Peroxidation
2010/11/8
Dates and camel milk have been reported to be used for prevention and treatment of various diseases in Arab countries. This study was designed to investigate the antioxidant activity of dates and cam...
Antioxidant Activity and Optimal Manufacturing Conditions of Purple Sweet Potato Lactic Acid Bacteria Drink
PSP LABD PSPLABD optimum conditions
2009/6/18
In the current studies, we produced a purple sweet potato lactic acid bacteria drink (PSPLABD) using a variety of lactic acid bacterial strains. The various PSPLABD were analyzed for color, pH, and fl...
Effects of koji Production and Saccharification Time on the Antioxidant Activity of amazake
amazake DPPH radical-scavenging activity lipid peroxidation inhibitory activity
2009/5/20
Amazake was prepared using yellow-koji (Aspergillus oryzae) or white-koji (Aspergillus kawachii). In both cases, when rice-koji and water were mixed in a ratio of 1: 2, saccharification was completed ...
A Comparison of Methods Used to Define the Phenolic Content and Antioxidant Activity of Croatian Wines
wine antioxidants polyphenols antioxidant activity
2009/3/16
Concentrations of phenolic antioxidants and antioxidant activities were determined for three different vintages of red varietal Plavac mali wines (Grgich), white varietal Posip wines (Grgich) and whit...
Antioxidant Activity in Variously Prepared Elderberry Foods and Supplements
elderberry elder flowers antioxidants reducing power processing
2014/3/10
Antioxidant capacity of foods and food supplements based on berries and flowers of medicinal plant elderberry (Sambucus nigra L.) was assessed. Reducing properties of the samples and extracts were eva...
Development and Validation of a Microplate-based β-carotene Bleaching Assay and Comparison of Antioxidant Activity (AOA) in Several Crops Measured by β-carotene Bleaching, DPPH and ORAC Assays
AOA β-carotene bleaching assay DPPH assay ORAC assay Trolox plate reader tocopherol
2010/3/5
The reproducibility and reliability of the micro-β-carotene-linoleic acid bleaching (BCB) assay have been improved, enabling comparison to the antioxidant activity (AOA) of extracts from eleven kinds ...
Effects of Steaming and Dehydration on Anthocyanins, Antioxidant Activity,Total Phenols and Color Characteristics of Purple-Fleshed Sweet Potatoes(Ipomoea batatas)
Effects of Steaming Dehydration
2016/5/31
Purple-Fleshed Sweet Potatoes (PFSP) (Ipomoea batatas) are rich sources of acylated anthocyanins. Anthocyanin content, antioxidant activity and total phenols as well as color characteristics of PFSP w...
Comparison of the phenolic content and total antioxidant activity in wines as determined by spectrophotometric methods
wine phenolic compounds total antioxidant activity FCM PBM TEAC DPPH FR
2014/3/3
Folin-Ciocalteu reagent (FCM) and Price and Butler method (PBM) were used for spectrophotometric determination of the total content of phenolic compounds in 29 wines (8 white, 21 red). The average con...
Antioxidant activity of peanut skin extracts from conventional and high-oleic peanuts
antioxidant activity free radical scavenging Labiatae plant extracts natural antioxidants peanut skins Schaal Oven Test synthetic antioxidants
2014/3/3
Peanut skins were isolated from deshelled and dried conventional and high-oleic peanuts. In order to obtain simpler mixtures of phenolics with other components of the respective extract, the samples w...