搜索结果: 1-14 共查到“食品科学技术 Derivatives”相关记录14条 . 查询时间(0.122 秒)
Oxyprenylated ferulic acid derivatives in Italian citrus liqueurs
boropinic acid Citrus spp. 4’-geranyloxyferulic acid limoncello arancello mandarinetto Rutaceae
2015/5/18
4’-Geranyloxyferulic and boropinic acid have been recently found as phytochemicals exerting promising pharmacological effects as cancer chemopreventive, anti-inflammatory, neuroprotective, and anti-He...
Antioxidant activities of two novel synthetic methylbenzenediol derivatives
2-(tert-butyl)-5-methylbenzene-1 4-diol 3-(tert-butyl)-5-methylbenzene-1 2-diol steric synergist effect DPPH Rancimat test
2014/8/11
2-(tert-Butyl)-5-methylbenzene-1,4-diol and 3-(tert-butyl)-5-methylbenzene-1,2-diol were synthesised by Friedel-Craft reaction of 2-methylbenzene-1,4-diol and 4-methylbenzene-1,2-diol, respectively, w...
Antioxidant activity coefficient, mechanism, and kinetics of different derivatives of flavones and flavanones towards superoxide radical
antioxidant activity coefficient flavonoids binding constant homogeneous kinetics cyclic voltammetry
2014/2/25
A systematic investigation of the electrochemically generated superoxide radical (O2●–) has been conducted in the presence of some flavonoids. Cyclic voltammetry was used to generate O2●– by reducing ...
Formation of acylglycerol chloro derivatives in vegetable oils and mitigation strategy
3-chloropropane-1,2-diol 3-CPD, 3-MCPD 3-chloropropane-1,2-diol esters bound 3-CPD processing contaminants mitigation strategy
2014/2/25
The most important acylglycerol chloroderivatives identified in foods are 3-chlorpropane-1,2-diol fatty acid esters (3-CPD esters) that are accompanied by epoxypropanol fatty acid esters formed in pro...
Two Novel Antioxidant Ortho-Benzoyloxyphenyl Acetic Acid Derivatives from the Fruit of Vaccinium uliginosum
Vaccinium uliginosum Ericaceae, anthocyanin benzoyloxyphenyl acetic acid derivative
2009/5/20
Two new ortho-benzoyloxyphenyl acetic acid derivatives, vacciuligins A (1) and B (2), were isolated, along with five known compounds, quercetin 3-O-α-arabinopyranoside (3), syringetin 3-O-β-glucopyran...
Antioxidant Activity of the Derivatives of Polysaccharide Extracted from a Chinese Medical Herb（Ramulus mori）
antioxidant activity temperature pH
2009/5/8
The antioxidant activity of the polysaccharide from Ramulus mori and its derivatives (sulfated, phosphorylated, acetylated and benzoylated polysaccharides) were determined, including scavenging activi...
A Novel Yellow Compound and Furpipate Derivatives Formed from Furfural or 5-Hydroxymethylfurfural in the Presence of Lysine
Maillard reaction furpipate furfural lysine
2010/2/3
Furfural and 5-hydroxymethylfurfural (HMF) are important intermediate compounds in the Mail-lard reaction of pentose and hexose, respectively, under acidic conditions. Recently we found a novel yellow...
In vitro fermentation of galactosyl derivatives of polyols by Lactobacillus strains
polyols prebiotics Lactobacillus growth response
2014/3/10
Probiotic lactic acid bacteria belonging to the species Lactobacillus casei, Lb. paracasei, and Lb. acidophilus were cultivated in the presence of galactosyl derivatives of erythritol, xylitol, and so...
Synthesis and Antioxidant Activity of Modified (+)-Catechin Derivatives. Structure-Activity Relationship
Structure-Activity Relationship Modified
2008/11/26
In a screening program for free radical scavengers, new antioxidant compounds have been obtained by C-8 substitution of various groups on (+)-catechin A ring. Their preparation, purification, identifi...
The Effect of Lactose Derivatives on Intestinal Lactic Acid Bacteria
Lactose derivatives lactic acid bacteria ribotyping fermentation
2008/3/28
Nine strains of lactic acid bacteria were studied for growth and fermentation end products on lactulose, lactitol, and lactobionic acid. In addition, human fecal and biopsy isolates were screened for ...
Efficient extraction of caffeic acid derivatives from adventitious roots of Echinacea purpurea
adventitious roots caftaric acid chlorogenic acid chichoric acid Echinacea purpurea
2014/3/3
Echinacea species are popular herbal medicine and food supplements for enhancing the immune system. This study was conducted with the aim of developing an efficient heat reflux extraction of caffeic a...
Determination and occurrence of bisphenol A, bisphenol A diglycidyl ether, and bisphenol F diglycidyl ether, including their derivatives, in canned foodstuffs’ from the Czech retail market
bisphenols hydrolysis and chlorohydroxy derivatives migration can lacquers foodstuff contaminants
2014/3/4
A several-year survey (2000–2006) documents a continuing occurrence of bisphenol A (BPA), bisphenol A diglycidyl ether (BADGE), and bisphenol F diglycidyl ether (BFDGE), including their derivatives, m...
High Performance Liquid Chromatographic Determination of Pheophorbide-a and Its Related Chlorophyll Derivatives in Tea Leaves
chlorophyll derivatives HPLC analysis tea leaves
2010/11/23
A simple method for the extraction of tea samples and conditions of HPLC analysis of pheophorbide-a (PB-a) and its related chlorophyll derivatives was developed. Tea samples were extracted with 85% ac...
Distinction between Arabica and Robusta Coffee Beans by Hydroxycinnamic Acid Derivatives, Especially by p-Coumaroyltryptophan
phenol chlorogenic acid roasting
2010/11/23
Eleven chlorogenic acids, caffeoyltryptophan (CaT), and p-coumaroyltryptophan (CoT) in coffee beans (Coffea canephora var. robusta (Robusta) and C. arabica (Arabica)) and instant coffees on the market...