搜索结果: 1-15 共查到“食品科学技术 scavenging”相关记录36条 . 查询时间(0.066 秒)
Impact of freezing on flavonoids/radical-scavenging activity of two onion varieties
Allium cepa L. anthocyanins flavonols domestic storage frozen onions
2015/7/28
Flavonols, anthocyanins, and radical-scavenging activity of two Portuguese onion cultivars (Branca da Póvoa, white; and Vermelha da Póvoa, red) were evaluated simulating domestic freezing conditions (...
Scavenging Activity of Different Garlic Extracts and Garlic Powder and their Antioxidant Effect on Heated Sunflower Oil
Different Garlic Extracts Garlic Powder
2016/6/2
Seven garlic extracts were prepared in different solvents. The extract yield ranged from 0.36 (n-hexane) to 71.73% water (H2O at 50°C), total phenolic content from 11.16 methanol/water (MeOH/H2O, 1:1)...
Effect of cooking methods on total phenolic and carotenoid amounts and DPPH radical scavenging activity of fresh and frozen sweet corn (Zea mays) kernels
Zea mays L. cooking process phenolics β-carotene antioxidan
2014/2/24
We evaluated the effect of three different cooking methods on antioxidant content and radical scavenging activity of sweet corn. Both fresh and frozen sweet corn kernels were boiled, microwaved, and s...
Scavenging capacity of superoxide radical and screening of antimicrobial activity of Castanea sativa Mill. extracts
antimicrobial activity antioxidant superoxide radical sweet chestnut total flavonoids total phenolics
2014/2/27
The superoxide radical scavenging and antimicrobial activity were examined of sweet chestnuts: seeds, peeled chestnut, brown seed coat, leaves, catkin, spiny burs, and chestnut bark as well as of Lovr...
Radical-Scavenging Activities of Fish and Fishery Products
radical-scavenging activity fish fishery product
2009/7/7
A total of 45 Japanese and Bangladeshi water fish and fishery products were investigated for radical-scavenging activity using a 1,1-diphenyl-2-picrylhydrazyl-HPLC method. Among the 35 Japanese fish a...
Scavenging Activity of Enzymatic Hydrolysates from Wheat Bran
antioxidant activity enzymatic hydrolysates iron chelation
2009/6/24
Wheat bran was destarched and deproteinated by α-amylase, protease and amyloglucosidase successively, and further hydrolyzed using Bacillus subtilis xylanases. The yield of enzymatic hydrolysates from...
Radical-Scavenging Activity and Isoflavone Content of Sufu（Fermented Tofu）Extracts from Various Regions in China
radical-scavenging activity sufu isoflavone
2009/6/18
Water extracts and 50% ethanol extracts of 14 samples of sufu (fermented tofu) produced in various regions of China were prepared, and their DPPH (α,α-Diphenyl-β-pricryl-hydrazyl) radical-scavenging a...
Radical-Scavenging Activity: Role of Antioxidative Vitamins in Some Fish Species
radical-scavenging activity fish ascorbic acid tocopherol
2009/6/18
To evaluate fish as free radical scavengers in the human diet, we examined the radical-scavenging activity of some marine fish tissue commonly consumed in Japan, using the 1,1-diphenyl-2-picrylhydrazy...
Scavenging Effects of L-Ascorbic Acid on 1,1-Diphenyl-2-picrylhydrazyl in Homogeneous and Heterogeneous Reaction Systems
ascorbic acid erythorbic acid 1,1-diphenyl-2-picrylhydrazyl
2009/6/18
To obtain basic information on the effect of the dissociation of L-ascorbic acid (AsA) on its radical scavenging ability, 1,1-diphenyl-2-picrylhydrazyl (DPPH) was used in both homogeneous and heteroge...
DPPH Radical-Scavenging Activity and Polyphenol Content in Dried Fruits
dried fruits fresh fruits ascorbic acid
2009/6/18
The 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical-scavenging activity and polyphenol content of 25 dried fruits were evaluated and compared with fresh fruits. The contribution of ascorbic acid to this ...
Trial Production of Tsukudani with Strong Scavenging Activity against Active Oxygen Species
Tsukudanl active oxygen species Maillard reaction
2009/6/18
A trial production was conducted of Tsukudani with strong scavenging activity against active oxygen species by acceleration of the Maillard reaction and addition of sub materials with the activity. As...
Radical-Scavenging Activity of Vegetables and the Effect of Cooking on Their Activity
radical-scavenging activity 1,1-diphenyl-2-picrylhydrazyl ascorbic acid
2009/6/18
The radical-scavenging activity of vegetables was measured using the 1,1-diphenyl-2-picrylhydrazyl-HPLC method, and the effect of cooking on this activity was determined. The content of ascorbic acid ...
Quercetin Glucosides are Hydrolyzed to Quercetin in Human Oral Cavity to Participate in Peroxidase-Dependent Scavenging of Hydrogen Peroxide
H2O2-scavenging oral cavity peroxidase in saliva
2009/6/18
It has been reported that consuming food which contains flavonols is related to the decrease in risks to arteriosclerosis and cancer. One objective of this study was to elucidate the metabolism of que...
Radical Scavenging Activity of Japanese Black Tea, Toyama Kurocha
radical scavenging activity DPPH method late-fermented tea
2009/6/17
The radical scavenging activity of the Japanese late-fermented black tea, Toyama Kurocha, was investigated. The activity was determined by the 1,1-diphenyl-2-picrylhydrazyl (DPPH) method, and its radi...
Radical-Scavenging Activities of Soybean Cultivars with Black Seed Coats
soybean-boiled extract boiled soybean black seed coat
2009/6/17
After the operation of boiling soybean [Glycine max (L.) Merr.], 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activities of soybean cultivars with different seed coat colors of yellow, green, red-b...