Abstract:
:Phenolic compounds were extracted from pomegranate (Punica granatum L.) peel, mesocarp and arils. Extracts and juices were characterised by HPLC-DAD-ESI/MS(n). In total, 48 compounds were detected, among which 9 anthocyanins, 2 gallotannins, 22 ellagitannins, 2 gallagyl esters, 4 hydroxybenzoic acids, 7 hydroxycinnamic acids and 1 dihydroflavonol were identified based on their UV spectra and fragmentation patterns in collision-induced dissociation experiments. To the best of our knowledge, cyanidin-pentoside-hexoside, valoneic acid bilactone, brevifolin carboxylic acid, vanillic acid 4-glucoside and dihydrokaempferol-hexoside are reported for the first time in pomegranate fruits. Furthermore, punicalagin and pedunculagin I were isolated by preparative HPLC and used for quantification purposes. The ellagitannins were found to be the predominant phenolics in all samples investigated, among them punicalagin ranging from 11 to 20g per kilogram dry matter of mesocarp and peel as well as 4-565mg/L in the juices. The isolated compounds, extracts and juices were also assessed by the TEAC, FRAP and Folin-Ciocalteu assays revealing high correlation (R(2)=0.9995) of the TEAC and FRAP values, but also with total phenolic contents as determined by the Folin-Ciocalteu assay and by HPLC. Selection of raw materials, i.e. co-extraction of arils and peel, and pressure, respectively, markedly affected the profiles and contents of phenolics in the pomegranate juices, underlining the necessity to optimise these parameters for obtaining products with well-defined functional properties.
journal_name
Food Chemjournal_title
Food chemistryauthors
Fischer UA,Carle R,Kammerer DRdoi
10.1016/j.foodchem.2010.12.156subject
Has Abstractpub_date
2011-07-15 00:00:00pages
807-21issue
2eissn
0308-8146issn
1873-7072pii
S0308-8146(11)00070-7journal_volume
127pub_type
杂志文章相关文献
FOOD CHEMISTRY文献大全abstract::The authentication of packing oil from commercial canned tuna and other tuna-like fish species was examined by means of attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR) and chemometrics. Using partial least squares discriminant analysis (PLS-DA), it was possible to differentiate olive oil...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2015.05.064
更新日期:2016-01-01 00:00:00
abstract::The objective of this study was to characterize a plant origin β-glucosidase from black plum seeds and identify its conformational changes in twenty-six imidazolium- and amino acid-based ionic liquids (ILs). The results revealed that the purified 60 kDa enzyme was monomeric in nature, maximally active at 55 °C and pH ...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2018.09.007
更新日期:2019-02-15 00:00:00
abstract::A simple and fast solid phase microextraction method using magnetic dextran (Sephadex G-150) as a sorbent was developed for the extraction, separation and speciation analysis of chromium ions. The retained Cr(VI) ions on the magnetic dextran sorbents were eluted and detected by linear sweep voltammetry at the gold nan...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.04.058
更新日期:2019-09-15 00:00:00
abstract::A comprehensive kinetic model indicating the elementary steps of Maillard reaction and caramelization during hazelnut roasting was proposed based on a multi-response kinetic modeling approach. Changes in the concentrations of sucrose, fructose, glucose, amino acids, 3-deoxyglucosone, 1-deoxyglucosone, 3,4-dideoxygluco...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2016.11.159
更新日期:2017-04-15 00:00:00
abstract::Dipeptidyl peptidase (DPP)-IV inhibitory peptides were purified and identified from an aqueous Palmaria palmata protein extract hydrolysed with Corolase PP. The hydrolysate was fractionated by solid phase extraction (SPE) using a C18 matrix followed by semi-preparative reverse phase-high performance liquid chromatogra...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2014.09.083
更新日期:2015-04-01 00:00:00
abstract::The anti-metabolic or insecticidal gene, arcelin (Arl) was isolated, cloned and sequenced using sequence specific degenerate primers from the seeds of Lablab purpureus collected from the Western Ghats, Tamil Nadu, India. The L. purpureus arcelin nucleotide sequence was homologous to Arl-3 and Arl-4 alleles from Phaseo...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2012.06.129
更新日期:2012-12-15 00:00:00
abstract::Histidine decarboxylase (HDC) catalyses the formation of histamine, a bioactive amine. Agents that control HDC activity are beneficial for treating histamine-mediated symptoms, such as allergies and stomach ulceration. We searched for inhibitors of HDC from the ethyl acetate extract of the petal of Filipendula ulmaria...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2012.10.074
更新日期:2013-06-01 00:00:00
abstract::Fruit powders can become a new and innovative direction of using the potential of Japanese quince (JQ) fruit in an affordable form. Therefore, physical (dry matter, true and bulk density, porosity and color) and chemical parameters of JQ juice powders obtained by using different carrier agents and drying techniques we...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2020.126830
更新日期:2020-04-18 00:00:00
abstract::Freeze-thaw cycles (FTC) pretreatment was employed before the vacuum freeze-drying of garlic slices, aimed at improving the drying process and the quality of the end product. Cell viability, water status, internal structure, flavor, chemical composition and thermogravimetric of garlic samples were evaluated. The resul...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2020.126883
更新日期:2020-09-15 00:00:00
abstract::The objective of this study was to determine the antioxidant activity of fractions separated from oregano essential oil by short-path molecular distillation. Two residue (R1 and R2) and two distillate (D1 and D2) fractions were prepared by molecular distillation. The major components were: carvacrol, terpinen-4-ol and...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2014.01.087
更新日期:2014-08-01 00:00:00
abstract::Psidium cattleianum, an unexploited Brazilian native fruit, is considered a potential source of bioactive compounds. In the present study, the in vitro scavenging capacity of skin and pulp extracts from P. cattleianum fruits against reactive oxygen species (ROS) and reactive nitrogen species (RNS) was evaluated by in ...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2014.05.079
更新日期:2014-12-15 00:00:00
abstract::A methodology to develop systematic plans for food sampling was proposed. Long life whole and skimmed milk, and sunflower oil were selected to validate the methodology in Argentina. Fatty acid profile in all foods, proximal composition, and calcium's content in milk were determined with AOAC methods. The number of sam...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2015.03.083
更新日期:2016-02-15 00:00:00
abstract::Honey is a high value food commodity with recognized nutraceutical properties. A primary driver of the value of honey is its floral origin. The feasibility of applying multivariate data analysis to various chemical parameters for the discrimination of honeys was explored. This approach was applied to four authentic ho...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2014.11.165
更新日期:2015-12-15 00:00:00
abstract::Food processing, especially thermal treatment, may have implications on mycotoxins in products available for consumers. This research work aimed to study how mycotoxin levels may be influenced by modifying the technological parameters of both whole grain and cocoa biscuit-making processes. The study was mainly focused...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2017.02.115
更新日期:2017-08-15 00:00:00
abstract::Due to reported detrimental health effects of diets high in trans fatty acids (TFA) in particular on blood lipids, convenience products, trade margarines, fats for cooking and frying and fast food products available on the Austrian market were comprehensively investigated on TFA, using gas chromatography. About half o...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2007.11.038
更新日期:2008-06-01 00:00:00
abstract::Starch digestibility in a food matrix depends on processing conditions that may affect its physical state and microstructure. Starch gelatinization is one critical change that takes place during frying which could be affected during low-pressure processing. This study assessed the effect of vacuum frying on starch gel...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2015.10.028
更新日期:2016-04-15 00:00:00
abstract::Thermal degradation kinetics of lutein, zeaxanthin, β-cryptoxanthin, β-carotene was studied at 25, 35, and 45°C in a model system. Qualitative and quantitative analyses of all-trans- and cis-carotenoids were conducted using HPLC-DAD-MS technologies. Kinetic and thermodynamic parameters were calculated by non-linear re...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2017.06.107
更新日期:2018-01-15 00:00:00
abstract::The presence of monomeric and dimeric flavan-3-ol monohexosides was investigated in grapes and wines. Polyphenol extracts were prepared from grape seeds and skins (Syrah, Merlot, and Cabernet-Sauvignon) sampled at three different developmental stages. Different wines (Tannat, Alicante, Syrah, Merlot, and Grenache) wer...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2018.06.019
更新日期:2018-11-15 00:00:00
abstract::Recently, A.O.C. Rioja have selected and enlisted the Tempranillo blanco as a new grapevine variety to be cultivated in this area. This is the first report that studies amino acid and ammonium composition of grape juice and wine from Tempranillo blanco. The aim was to study the effect of foliar application of a seawee...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.125605
更新日期:2020-03-05 00:00:00
abstract::Antifreeze proteins (AFPs) have the ability to modify ice crystal growth and thus there is great interest in identifying new sources of these compounds. All extracts of cold acclimated leaves of Drimys angustifolia, obtained using different buffers, inhibited recrystallization and they presented similar SDS-PAGE profi...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.03.055
更新日期:2019-08-15 00:00:00
abstract::The volatile compounds of Volvariella volvacea mushroom were investigated by solvent assisted flavor evaporation (SAFE)/gas chromatography-mass spectrometry (GC-MS), gas chromatography-olfactometry (GC-O), odor activity value (OAV), combined with aroma reconstitution and omission. The results showed that a total of 63...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.05.004
更新日期:2019-09-30 00:00:00
abstract::A rapid and sensitive method was developed for the determination of 50 herbicides in cereal grain by ultra-performance liquid chromatography-electrospray ionization-mass spectrometry (UPLC-ESI-MS). Using acetonitrile effectively extracted 22 kinds of triazine and other basic herbicides, and using 90:10 v/v acetonitril...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2015.07.025
更新日期:2016-02-01 00:00:00
abstract::A spectrophotometric method was developed for ascorbic acid present in various fruits, commercial fruit juices and sprouted food grains. The method involves the oxidation of ascorbic acid with excess manganese(III) following reduction of unreacted manganese(III) with diphenylamine or barium diphenylamine sulphonate fo...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2012.11.076
更新日期:2013-06-01 00:00:00
abstract::We determined whether heat and chemical treatments could reduce the decay of kiwifruit caused by Botrytis cinerea during postharvest storage. Kiwifruits were treated with 5 g/L (w/v) potassium sorbate (PS), with a 48 °C hot water treatment (HT), and with a combined treatment (HT + PS). Mycelial growth of B. cinerea an...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2020.126891
更新日期:2020-09-15 00:00:00
abstract::The present study investigated the impact of temperature on the degradation of ascorbic acid in low oxygen conditions in a model white wine. The concentrations of ascorbic acid, furfural, sulfur dioxide and phenolic-type products were monitored in a model white wine stored under non-oxidative conditions at 45.0, 36.5 ...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2013.05.024
更新日期:2013-12-01 00:00:00
abstract::Anti-inflammatory Mytilus edulis hydrolysates (MEHs) were prepared by peptic hydrolysis and MEH was further fractionated into three fractions based on molecular weight, namely >5kDa, 1-5kDa, and <1kDa. The >5kDa peptide fraction exerted the highest nitric oxide (NO) inhibitory activity and inhibited prostaglandin E2 (...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2016.01.114
更新日期:2016-07-01 00:00:00
abstract::We wanted to clarify whether gel properties can be affected by in vivo or in vitro myofibrillar protein oxidation and, thus, to provide relevant information and a scientific foundation for the processing of gel products. To accomplish this, we measured the changes in sodium dodecyl sulfate-polyacrylamide gel electroph...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2016.11.143
更新日期:2017-05-15 00:00:00
abstract::Legumes represent staple foods rich in phenolic compounds, which are often consumed after soaking and boiling. This study determines the fate of phenolic compounds from six legumes varieties belonging to the species Lens culinaris Medik., Phaseolus vulgaris L. and Cicer arietinum L. after soaking, boiling and digestio...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.01.148
更新日期:2019-07-01 00:00:00
abstract::Dark tea is a unique fermented tea produced by solid-state fermentation of tea leaves (Camellia sinensis). It includes ripe Pu-erh tea, Fu brick tea, Liupao tea, and other teas. Microbial fermentation is considered to be the key factor controlling the quality of dark tea. It involves a series of reactions that modify ...
journal_title:Food chemistry
pub_type: 杂志文章,评审
doi:10.1016/j.foodchem.2019.126043
更新日期:2020-05-15 00:00:00
abstract::Gray mold caused by Botrytis cinerea is a major postharvest disease of table grapes that leads to enormous economic losses during storage and transportation. The objective of this study was to evaluate the effectiveness of fulvic acid on controlling gray mold of table grapes and explore its mechanism of action. The re...
journal_title:Food chemistry
pub_type: 杂志文章
doi:10.1016/j.foodchem.2019.02.015
更新日期:2019-07-15 00:00:00