Enology Notes Index P-T
The Index is broken down into alphabetical sections. Please choose the section for the subject you are interested in.
| Subject | Issue | 
| pad filter-like plate | 66, 77 | 
| paired comparison test | 99 | 
| Pais (Mission) | 109 | 
| palate balance | 68, 76 | 
| palate balance equation | 52, 69, 84, 87, 108 | 
| palate balance formula | 68 | 
| palate balance relationship | 113 | 
| palate features | 47 | 
| palate integration | 107 | 
| palate softness | 86 | 
| palate structure and texture | 62, 94 | 
| Parral | 83 | 
| particle size | 65, 66 | 
| pasteurized milk | 46 | 
| pectic enzymes | 1, 117 | 
| pectinolytic enzymes | 25, 27, 29, 58 | 
| pectins | 37, 111 | 
| Pediococcus | 71, 73, 91 | 
| perception of body or volume | 84 | 
| perception of volume (body) | 79 | 
| perception threshold | 94 | 
| pesticides | 56, 105 | 
| Peter Pan factor | 97 | 
| Petit Manseng | 70, 123 | 
| pH | 37, 56, 57, 87, 91, 95, 105 | 
| pH meter | 31 | 
| pH, reduction in | 75 | 
| phenol development and management | 59 | 
| phenol extractability | 62 | 
| phenol extraction | 12, 70, 112 | 
| phenol(s) | 27, 57, 87, 95, 98, 106, 108, 116, 117, 118 | 
| phenol maturity | 83 | 
| phenol(ic) polymerization | 1, 4, 23, 117 | 
| phenol quantity/quality | 68 | 
| phenolic components | 68, 90, 103 | 
| phenolic content | 28 | 
| phenolic elements | 43, 87, 90, 94, 103, 108 | 
| phenolic extraction | 61 | 
| phenolic maturity | 61, 109 | 
| phenolic polymerization | 76, 108 | 
| phenolic polymerization and stabilization | 103 | 
| phenolic-derived sensations | 84 | 
| phenological stages of plant growth | 75 | 
| phloem tissue | 30 | 
| physiological maturity | 69 | 
| Pichia membranaefaciens | 54 | 
| pigment polymerization | 118 | 
| pigment precipitation | 86 | 
| pigment production | 4 | 
| pigment synthesis | 59 | 
| pigment(s) | 62, 117 | 
| pinking | 46, 47 | 
| pinking potential | 111 | 
| plant stress | 104 | 
| polymeric/polymerized pigments | 85,120 | 
| polymeric structures | 33 | 
| polymerization | 61, 62 | 
| polymerization | 87 | 
| polyphenol polymerization | 78 | 
| polyphenoloxidases | 26 | 
| polyphenols | 96 | 
| polysaccharide production | 71 | 
| polysaccharides | 6, 41, 46, 69, 72, 84, 85, 90, 106, 108, 117 | 
| polyvinylpolypyrolidone | 47 | 
| polyvinylpyrolidone | 47 | 
| poor sanitation | 56 | 
| pore diameter | 67 | 
| pore size | 65 | 
| post-destemming sorting | 114, 117 | 
| post-fermentation (structural) modification | 84 | 
| post-fermentation addition of pectic enzymes | 29 | 
| post-fermentation blending | 80 | 
| post-fermentation microoxygenation | 90, 103 | 
| post-fermentation thermal treatment | 62 | 
| potassium bitartrate | 95 | 
| potassium caseinate | 46 | 
| potassium concentration | 6, 57 | 
| potassium ions | 37 | 
| potassium uptake | 60 | 
| potential alcohol | 69, 70, 82 | 
| potential berry size | 58 | 
| practical research | 98 | 
| precipitate | 37 | 
| precipitation rate | 38 | 
| precipitation tests | 12 | 
| precision | 19, 126 | 
| precoating | 66 | 
| pre-fermentation acid adjustments | 60 | 
| pre-fermentation addition of tannins | 4 | 
| prefermentation fining | 47 | 
| prefermentation maceration | 22, 109, 139 | 
| pre-fermentation settling aid | 29 | 
| prefiltration fining | 65 | 
| pressing | 22 | 
| pressure differential | 65 | 
| pressure leaf filters | 66 | 
| processing | 103 | 
| processing considerations | 107 | 
| production processes | 115 | 
| proline | 3, 28, 82, 104 | 
| proline | 113 | 
| proline/arginine ratio | 107 | 
| protein | 111 | 
| protein fining agents | 32, 108 | 
| protein precipitation | 11, 103 | 
| protein stability | 11, 12, 25, 32, 56 | 
| protein-tannin complexes | 12 | 
| protooxidant | 134 | 
| protracted cold soak | 83, 109 | 
| punch-down | 62 | 
| punch-down fermentations | 76 | 
| purified milk casein | 46 | 
| PVPP | 1, 47 | 
| pyrazine(s) | 94, 112, 114, 115, 132 | 
| quality and longevity | 95 | 
| quality indicators | 22, 115 | 
| quercetin-type glycosides | 65 | 
| Quercus suber | 100 | 
| quinones | 26, 96 | 
| racking | 106 | 
| racking and aeration | 79 | 
| raisined fruit | 103 | 
| random errors | 19 | 
| Rapel | 83 | 
| rate of oxidation | 33 | 
| rate of polymerization | 2 | 
| ratio of bitterness to astringency | 90 | 
| ratio of free to total sulfur dioxide | 98 | 
| records of operation | 22 | 
| red fruit maturity | 107 | 
| red wine color | 33, 86 | 
| red wine color | 109 | 
| red wine fermentation with oak | 60 | 
| red wine HACCP planning | 52, 59 | 
| red wine mouthfeel | 108 | 
| red wine phenolic management | 61, 62 | 
| red wine proteins | 128 | 
| red wine production issues | 22 | 
| red wine quality | 59 | 
| red wine structural balance and mouthfeel | 85 | 
| red wine structure | 82 | 
| red wine structure/texture | 52 | 
| red wine tannins | 23 | 
| red wine textural quality | 87 | 
| redox buffers | 103 | 
| redox compounds | 96 | 
| redox pairs | 95 | 
| redox pairs | 96 | 
| redox potential | 70, 97, 98 | 
| reducing (antioxidizing) agents | 95 | 
| reducing agents | 41 | 
| reductive compounds | 56 | 
| reductive notes | 104 | 
| reductive odor | 112 | 
| reductive odor defect | 107, 113, 127 | 
| reductive sensory defects | 71 | 
| reductive tone VSCs | 102 | 
| reductive tones | 28, 69, 79 | 
| refining agents | 86 | 
| regional distinction | 83 | 
| rehydration | 56 | 
| remission photometry | 51 | 
| representative sampling | 19, 53 | 
| reproducibility | 19 | 
| Research and Extension at a Crossroads | 88 | 
| research development corporations (RDCs) | 88 | 
| residual sugar | 54, 56 | 
| residue concentrations | 56 | 
| reverse osmosis (RO) | 69 | 
| Rhodotorula | 54 | 
| riddling | 43 | 
| Riesling | 101 | 
| ripeness | 115 | 
| ripening | 58 | 
| Ripper titration method | 98 | 
| role of O2 | 22 | 
| role of oxygen | 97, 98 | 
| role of SO2 | 22 | 
| rosé production | 82 | 
| rot | 24 | 
| rot degradation | 1 | 
| rot-degradated fruit | 2, 93 | 
| rot-degraded grapes | 56 | 
| roughness | 52 | 
| Rousanne | 70 | 
| row direction | 64 | 
| row orientation | 64 | 
| S. bayanus | 56, 105 | 
| Saccharomyces | 54, 91 | 
| Saccharomyces cerevisiae | 54 | 
| sampling proceedures | 53 | 
| sanitation | 105 | 
| Sauvignon blanc | 75, 101, 109, 112 | 
| Sauvignon blanc varietal character | 102 | 
| scientific research | 98 | 
| screwcaps | 97, 98, 99, 100 | 
| S-cysteine | 101 | 
| seasonal temperature variations | 63, 64 | 
| seasonal variation | 11, 87 | 
| secondary metabolites | 23, 87, 104, 112 | 
| secondary plant metabolites | 29, 32 | 
| sedimentation | 56, 105 | 
| seed crystals | 38 | 
| seed number | 90 | 
| seed oxidation (maturation) | 30 | 
| seed particle size | 38 | 
| seeding (contact seeding) techniques | 38 | 
| segmented flow apparatus | 120 | 
| selecting wine closures | 100 | 
| selective extraction | 78 | 
| selective leaf removal | 59, 87 | 
| sense of sweetness | 106 | 
| sensory analysis | 99 | 
| sensory evaluation | 111 | 
| sensory features | 113 | 
| sensory impact | 86, 108 | 
| sensory threshold | 70, 79, 92, 113 | 
| shelf life | 98 | 
| sherry | 46 | 
| Shiraz | 62 | 
| short vatting | 78, 80, 81 | 
| shot berries | 81 | 
| shriveling | 62 | 
| silica dioxide | 46 | 
| silica dioxide fining | 45 | 
| simultaneous yeast and bacterial fermentation | 73 | 
| site climate | 83 | 
| skin color measurements | 61 | 
| skin contact | 6, 80 | 
| skin phenol polymerization | 30 | 
| skin tannins | 8, 29, 61 | 
| sluggish or stuck fermentation | 56 | 
| small polymeric phenols (SPP) | 65 | 
| small polymeric pigments (SPP) | 62, 76, 82, 116 | 
| SO2 solution | 67 | 
| soapy tactile impression | 60 | 
| sodium caseinate | 46 | 
| softening effect on phenols | 85 | 
| soil aeration | 75 | 
| soil moisture | 32, 53, 94 | 
| Soil, Irrigation, and Nutrition (Nicholas, 2004) | 92 | 
| soils | 109 | 
| solar exposure of fruit | 80 | 
| solubility | 122 | 
| sorting | 70, 107, 117 | 
| sour rot | 24 | 
| sources of environmental taint | 94 | 
| source-sink relationships | 75 | 
| sparging | 122 | 
| Sparkalloid | 11 | 
| specific analysis methods | 22 | 
| spectral color | 60 | 
| spectral color (co-pigmentation) | 65 | 
| Spinning Cone technology | 69 | 
| splash racking | 78, 94 | 
| spray impacts | 127 | 
| spray materials | 8 | 
| spray residue | 80 | 
| spray schedule | 56 | 
| stability | 97 | 
| stability testing | 111 | 
| stabilization | 86 | 
| stabilization temperature | 38 | 
| stabilize red wine color | 103 | 
| stage 3 fruit maturation/ripening | 58, 59 | 
| standard deviation | 19 | 
| stem tannins | 12 | 
| sterile bottling | 67 | 
| sterile filter sheets | 67 | 
| sterile filtration | 67 | 
| sterile-finished corks | 67 | 
| sterilizing pads | 65 | 
| stomacher bag | 27 | 
| storage sur lie | 79, 80 | 
| strain differences among MLF bacteria | 72 | 
| strains | 92 | 
| strategic priority | 89 | 
| stress metabolites | 56, 105 | 
| structural balance | 4, 70, 84 | 
| structural component integration | 69 | 
| structural components | 68 | 
| structural development | 8 | 
| structural integration | 25, 41, 57, 106 | 
| structural/textural components | 108 | 
| structure/texture balance | 47, 69, 90, 94 | 
| stuck fermentation | 26, 93, 105 | 
| student scholarships | 98 | 
| sugar concentrations | 50 | 
| sugar to alcohol conversion | 54 | 
| sugar to alcohol conversion ratio | 69 | 
| sugar toxicity | 56, 105 | 
| sulfate | 96 | 
| sulfate (SO4-2) | 70 | 
| sulfates | 37, 79 | 
| sulfide screen | 111 | 
| sulfides | 79 | 
| sulfilte screening | 104 | 
| sulfites | 79, 120 | 
| sulfur candles | 70 | 
| sulfur-containing amino acids | 79 | 
| sulfur-containing compounds | 70, 71, 108, 112, 113 | 
| sulfur cups | 70 | 
| sulfur dioxide (SO2) | 1, 33, 56, 70, 79, 82, 91, 94, 95, 96, | 
| 97, 98, 105, 111, 112, 113, 117 | |
| sulfur dioxide addition (SO2) | 71, 80, 106 | 
| sulfur dioxide (SO2) determination | 33 | 
| sulfur dioxide in the fermentor | 26 | 
| sulfur dioxide tolerance | 92 | 
| sulfur-like [off] odors (SLO) | 133, 134, 139 | 
| sulfur metabolism | 70, 113 | 
| sulfur odor defect | 113 | 
| sulfur sprays | 127 | 
| sun exposure | 53, 59, 87, 94 | 
| sun-damaged fruit | 103 | 
| sunlight interception | 64, 65 | 
| Superfood | 26 | 
| supersaturated solution (supersaturation) | 37, 38 | 
| suppleness index | 68, 87, 90 | 
| sur lie storage | 6, 25, 57, 69, 76, 84, 95, 106 | 
| sur lie storage (red wines) | 41 | 
| surface to volume ratio | 90 | 
| suspended yeast and bacteria | 84 | 
| sustainable practices | 89 | 
| sustainable wineries | 125, 137 | 
| sweet | 43 | 
| sweet <--> acid + phenolics | 84 | 
| sweet <--> acidity + bitterness and astringency | 90 | 
| sweet elements | 87, 90, 94, 103, 108 | 
| sweetness, sense of | 57 | 
| synthetic closures | 77, 97, 99, 100 | 
| synthetic pesticides | 79 | 
| Syrah | 70 | 
| systematic errors | 19 | 
| tactile response | 27, 84 | 
| taint metabolites | 92 | 
| taints | 100 | 
| tank bleeding | 3, 104 | 
| tank racking | 33 | 
| Tannat | 42, 70 | 
| tannic | 42 | 
| tannic acid | 45, 46 | 
| tannin(s) | 33, 57, 90, 91, 106, 107, 108, 116, 117, 118, 120 | 
| tannin addition | 80, 103 | 
| tannin astringency | 86, 106 | 
| tannin evolution | 4 | 
| tannin extractability | 62 | 
| tannin fining trials | 103 | 
| tannin hardness | 68 | 
| tannin intensity | 52, 84, 85, 94 | 
| tannin management | 62 | 
| tannin management and textural quality | 80 | 
| tannin maturity | 61, 62 | 
| tannin quantity/quality | 68 | 
| tannin roughness | 82 | 
| tannin suppleness | 68 | 
| tannins, condensed | 103 | 
| tannins, enological | 8, 103, 116 | 
| tannins, hydrolyzable | 103 | 
| tannins, seed | 8, 61, 103, 117 | 
| tartaric acid | 37 | 
| tartaric acid concentration | 75 | 
| tartaric/malic ratio | 90, 103 | 
| tartrate casse | 37 | 
| tartrate ions | 37 | 
| TBA (2,4,6-tribromoanisole) | 94 | 
| TBP (tribromophenol) | 94 | 
| TCA (2,4,6-trichloroanisole) | 12, 35, 36, 94 | 
| TeCA (2,3,4,6-tetrachloroanisole) | 94 | 
| technical corks | 100 | 
| technological trends | 137 | 
| temperature | 27, 56, 64, 65, 105 | 
| temperature differential (day/night) | 59 | 
| temperature of fermentation | 22 | 
| temperature ranges | 59 | 
| temperature shock | 56, 105 | 
| temperature spikes | 83 | 
| temperature zones (Alpha and Beta) | 58 | 
| temperatures | 32 | 
| tempertures during ripening | 4 | 
| Tendone system | 83, 109 | 
| terroir | 70 | 
| terroir wines | 75 | 
| thermal characteristics | 83 | 
| thermal processing | 82, 84, 92 | 
| thermal vinification | 75, 82, 114 | 
| thiamine (vitamin B1) | 56, 82, 105 | 
| thinning | 78 | 
| thio | 112 | 
| thioacetic acid esters | 113 | 
| thiols | 134 | 
| titratable acidity (TA) | 31, 37, 90, 103 | 
| total anthocyanins | 85 | 
| training systems | 112 | 
| Traminer | 47 | 
| Traminette | 112 | 
| trellis system | 63, 64 | 
| trichloroacetic acid | 12 | 
| true taste | 84 | 
| tryptophan | 77 | 
| TTB | 91 | 
| tuffeau | 75 | 
| turbidity | 12, 113, 133 | 
| turbidity testing | 111 | 
| typicity | 70 | 
