sensory perception of selected phenolic acids

Figure 1 Relative activity of StellarTanTM

The sensory properties of a wine are influenced by the overall concentration and type of tannins found in the wine When tannins are balanced the wine has the right concentration of tannins relative to other tactile components (i e sugars acids alcohol glycerin flavor compounds) and the right proportion of monomeric oligomeric and polymeric

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Phenolics Tannins in White Sparkling Ros Styles

Catechins and similar monomeric phenolic compounds are associated with bitter taste perception Catechins can exist as monomers (single units) in juice but most of the catechin is polymerized into larger groups: Two to 16 catechin sub-units in the seeds of grapes and three to 83 subunits in the skins 1 See Figure 2 for an example of catechin polymerization where the structure of the

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Influence of phenolic acid content on sensory perception

PLS map of cracker sensory attributes with bound cracker phenolic acids refers to phenolic acids where pHBA = p-hydrozybenzoic acid VA = vanillic acid Syr = syringic acid CA = caffeic acid pCou = p-coumaric acid FA = ferulic acid Sin = sinapinic acid TPAC = total phenolic acid content F = free X refers to sample where red/white are wheat colour fine/coarse are particle sizes

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1 Introduction

Natural antioxidants consist of vitamins tocopherols carotenoids and phenolic compounds capable of preserving food For instance the amount of Echinacea purpurea extracts needed to achieve the lowest peroxide value in cakes was 1000 mg/kg and the amount of the same extracts to achieve highest antimicrobial activity in cake was 1500 mg/kg [ 1 ]

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Barry

The Sensory Food Network Ireland Food Institutional Research Measure 2017 Development of novel bioactive enriched whole food products – a range of "Super-salads" and "Super Stir-fry" pillow packs EI Commercial Case Feasibility The Flavour Chemistry of Selected Edible Mushrooms Species and their Sensory Perception

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FOOD SUPPLEMENTATION WITH PHENOLIC

29-9-2011A food or beverage composition suitable for human consumption is described which includes an aqueous acetic acid or acetate salt solution that has been supplemented with phenolic antioxidants and may also contain an omega-3 fatty acid-containing supplementation oil in which a supplementation oil includes a blend of an omega-3 fatty acid-containing enriching oil that has been combined and

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SENSORY PERCEPTION OF SELECTED PHENOLIC ACIDS

SENSORY PERCEPTION OF SELECTED PHENOLIC ACIDS FOUND IN WHOLE GRAINS Allison Langfried Advisor: University of Guelph 2013 Professor L Duizer This thesis is an investigation of the sensory attributes of selected phenolic acids found in whole grains Salivary protein-phenolic acid interactions were also investigated using SDS-

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Quality Parameters Volatile Composition and Sensory

The panel was selected and trained following the ISO standard 8586-1 and has more than 10 years of experience it is specialized in descriptive sensory evaluation of fruits and vegetables and has a wide expertise in studying the effects of drying on different matrixes [18 19]

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Quality Parameters Volatile Composition and Sensory

The panel was selected and trained following the ISO standard 8586-1 and has more than 10 years of experience it is specialized in descriptive sensory evaluation of fruits and vegetables and has a wide expertise in studying the effects of drying on different matrixes [18 19]

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Selecting and training a panel to evaluate the rancid

Assessors were selected according to their individual performance statistically analyzed by ANOVA and Tukey's mean comparison Wald Sequential Analysis and chi-square test The validation of the trained panel was carried out with the sensory analysis of fish burgers and soybean oil

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Relation of sensory perception with chemical composition

Logically anthocyanins are related to redness glucose and fructose to sweetness and ethanol phenolic and some organic acids to sour taste bitterness and fermented odour/flavour On the other hand lactic acid is responsible for sour odour Volatile compounds were also related to

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Food pyramid for subjects with chronic pain: foods and

22-4-2018Food pyramid for subjects with chronic pain: foods and dietary constituents as anti-inflammatory and antioxidant agents - Volume 31 Issue 1 - Mariangela Rondanelli Milena Anna Faliva Alessandra Miccono Maurizio Naso Mara Nichetti Antonella Riva Fabio Guerriero Manuela De Gregori Gabriella Peroni Simone Perna

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SENSORIAL ASPECTS OF "BRETT CHARACTER": RE

accompanied by the synthesis of organic acids (from C 3 to C 10) and short chain acid ethyl-esters (from C 2C 6 to C 2C 10) This work was aimed at ascertaining the influence of this metabolic activity on the development of Brett character and in particular on the perception of "Bretty" notes Experimental

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Relation of sensory perception with chemical composition

15-8-2014The impact of bioprocessing on lingonberry flavour was studied by sensory evaluation and chemical analysis (organic acids mannitol phenolic compounds sugars and volatile compounds) Bioprocessing of lingonberries with enzymes lactic acid bacteria (LAB) or yeast or their combination (excluding pure LAB fermentation) affected their perceived flavour and chemical composition

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US20080268118A1

US20080268118A1 US11/911 983 US91198306A US2008268118A1 US 20080268118 A1 US20080268118 A1 US 20080268118A1 US 91198306 A US91198306 A US 91198306A US 2008268118 A1 US2008268118 A1 US 2008268118A1 Authority US United States Prior art keywords eluent temperature method according wt preferably Prior art date 2005-04-21 Legal status (The legal status is an

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Grape and wine phenolics: Observations and recent findings

Sensory properties of phenolics The complexity of phenolic perception is apparent when you realize that wine phenolics can be sensed by sight smell taste and touch Of these grape phenolics are generally regarded as non-volatile and therefore they cannot be smelled

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sensory basic

Consumer perception and emotional re- sponses can also be addressed (Young et al 2004) the impact of storage (Park et al 2006) ingredient substi- tution (Childs et al 2007) and package and process variability can be determined (Carunchia Whetstine et al 2006b 2007) and relationships can be established between instrumental tests and sensory perception (Avsar et al 2004 Wright et

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IDENTIFICATION OF SOLUBLE PHENOLIC ACIDS IN

Phenolic acids are a subclass of a large category of compounds commonly referred to as phenolics They are a very important group of secondary plant metabolites whose roles are still unknown Due to their antioxidant behaviour and the potential health benefits associated with these simple phenolic compounds many authors have proposed different techniques to extract these compounds from

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SENSORIAL ASPECTS OF "BRETT CHARACTER": RE

accompanied by the synthesis of organic acids (from C 3 to C 10) and short chain acid ethyl-esters (from C 2C 6 to C 2C 10) This work was aimed at ascertaining the influence of this metabolic activity on the development of Brett character and in particular on the perception of "Bretty" notes Experimental

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Effect of antioxidants on polyunsaturated fatty acids

Covalent adduction of nucleo-philic amino acids by 4-hydroxynonenal and 4-oxononenal Chem Bio Interact 143/144 93#8211 100 DOI: 10 1016/s0009-2797(02)00178-3 Eaton S B Eaton S B Sinclair A (1998) Dietary intake of long chain fatty acids during the palaeolithic The return of omega-3 fatty acids to the food supply

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Impact of bitter tastant sub

The impact of different bitter taste compounds on the retronasal perception of coffee aroma was investigated A sorted napping experiment was carried out on thirteen compounds at iso-intense bitter concentrations Differences in perceptual bitter sub-qualities among the compounds were reported by Multidimensional Scaling (MDS) and Multiple Factor Analysis (MFA) analyses

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benzoic acid 65

PubMed:Relation of sensory perception with chemical composition of bioprocessed lingonberry PubMed: Inhibition of herpes simplex virus type 1 entry by chloride channel inhibitors tamoxifen and NPPB PubMed: Determination of synthetic by-products and an intermediate in the colour additives DC Red Nos 27 and 28 (phloxine B) and their lakes using conventional HPLC

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Food pyramid for subjects with chronic pain: foods and

22-4-2018Food pyramid for subjects with chronic pain: foods and dietary constituents as anti-inflammatory and antioxidant agents - Volume 31 Issue 1 - Mariangela Rondanelli Milena Anna Faliva Alessandra Miccono Maurizio Naso Mara Nichetti Antonella Riva Fabio Guerriero Manuela De Gregori Gabriella Peroni Simone Perna

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Impact of Grape Maturity and Ethanol Concentration on

Chaptalization and saigne-watering back were used to investigate the effects of modifying ethanol concentrations on sensory properties of t wines made from fruit harvested at different maturities Fruit was harvested on three dates with soluble solids concentrations of 20 24 and 28 Brix At each harvest one-third of the must was fermented at the natural soluble solids concentration

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Boredi Silas Chidi PhD

therefore of prime sensory importance and acidity adjustments are a frequent and legal practice in many wineries However the total acidity is the result of the sum of all the individual organic acids that are present in wine Importantly each of these acids has its own sensory attributes with descriptors ranging from fresh to sour to metallic

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Strawberry

The garden strawberry (or simply strawberry Fragaria ananassa) is a widely grown hybrid species of the genus Fragaria collectively known as the strawberries which are cultivated worldwide for their fruit The fruit is widely appreciated for its characteristic aroma bright red color juicy texture and sweetness It is consumed in large quantities either fresh or in such prepared

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HPLC analiza fenolnih spojeva i flavonoida s preklapajućim

Two pairs of phenolic compounds were investigated: caffeic and vanillic acids and ferulic and p-coumaric acids This technique takes advantage of the different absorbances of the two phenolic compounds in the eluent at various wavelengths and can be used for the quantitative determination of the concentration of these compounds even if they are not separated in the HPLC column

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