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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 (...
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...
Effects of Leaf Collection Time and Sex of the Donor Tree on Radical Scavenging Activity of the Current Leaf in Red Bayberry
distinction of sex Bayberry
2009/7/8
The DPPH radical scavenging activities of different parts (leaf, stem, immature fruit, mature fruit and seed) of red bayberry were analyzed by extraction with hot water and 80% ethanol. The highest ac...
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...
RADICAL SCAVENGING, ANTIMICROBIAL ACTIVITY AND PHENOLIC CONTENT OF CASTANEA SATIVA EXTRACTS
antioxidant activity antimicrobial activity Castanea sativa
2010/12/8
Radical Scavenging and antimicrobial activity of extracts of three cultivar of Castanea Sativa Mill. have been examined. Leaf and catkins have been extracted under the same conditions by 50% ethanol a...
Composition, radical scavenging and antifungal activities of essential oils from 3 Helichrysum species growing in Cameroon against Penicillium oxalicum a yam rot fungi
Helichrysum Asteraceae essential oil radical scavenging activity
2011/1/10
The chemical composition of essential oils from leaves of Helichrysum cameroonense Hutch. and Dalziel, Helichrysum cymosum Sensu C. D. Adam, Helichrysum globosum Sch. Bip. ex A. Rich. and flowers of H...
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...
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 ...
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 ...
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...
Influence of Polyphenol and Ascorbate Oxidases during Cooking Process on the Radical-Scavenging Activity of Vegetables
radical-scavenging activity polyphenol oxidase polyphenol
2009/6/17
The influence of polyphenol oxidase and ascorbate oxidase on radical-scavenging activity and contents of total phenol, chlorogenic acid, and ascorbic acid in vegetables during the cooking process were...
Evaluation of DPPH-Radical-Scavenging Activity and Antimutagenicity and Analysis of Anthocyanins in an Alcoholic Fermented Beverage Produced from Cooked or Raw Purple-Fleshed Sweet Potato（Ipomoea Batatas cv. Ayamurasaki）Roots
purple-fleshed sweet potato anthocyanin alcoholic beverage
2009/6/10
We investigated the 1,1-diphenyl-2-picrylhydrazyl (DPPH)-radical-scavenging activity and antimutagenicity of alcoholic fermented beverages produced from cooked or raw purple-fleshed sweet potato (Ipom...
Free Radical Scavenging Activities of γ-Oryzanol Constituents
DPPH radicals scavenging activity γ-oryzanol
2009/6/10
γ-Oryzanol extracted from brown rice as a free radical scavenger was separated into four constituents, which were identified as cycloartenyl ferulate, 24-methylenecycroartanyl ferulate, β-sitosteryl f...