| 25 | Citrus sinensis |
| 16 | Humans |
| 15 | Citrus sinensis (chemistry) |
| 10 | Fruit (chemistry) |
| 10 | Beverages (analysis) |
| 9 | Male |
| 9 | Female |
| 7 | Citrus |
| 6 | Adult |
| 5 | Rutaceae |
| 5 | Flavonoid |
| 4 | tonoplast |
| 4 | Orange |
| 4 | Hydrogen-Ion Concentration |
| 4 | DTT |
| 4 | Citrus fruit |
| 4 | Beverages (microbiology) |
| 3 | Young Adult |
| 3 | V-ATPase |
| 3 | Time Factors |
| 3 | Sequence Alignment |
| 3 | Salinity |
| 3 | Orange juice |
| 3 | Kinetics |
| 3 | Inorganic element |
| 3 | Enzymatic activity |
| 3 | Citrus sinensis (microbiology) |
| 3 | Chromatography, High Pressure Liquid |
| 3 | Animals |
| 3 | ATP |
| 2 | essential oils |
| 2 | Volatile compound |
| 2 | UTP |
| 2 | Tris |
| 2 | Transpiration |
| 2 | Terpenes (chemistry) |
| 2 | Sucrose (chemistry) |
| 2 | Substrate Specificity |
| 2 | Stereoisomerism |
| 2 | Spores, Bacterial (isolation & purification) |
| 2 | Spores, Bacterial (genetics) |
| 2 | Severity score |
| 2 | Saliva (physiology) |
| 2 | SDS |
| 2 | SDS-PAGE |
| 2 | Rosa (chemistry) |
| 2 | Rootstock |
| 2 | Risk Factors |
| 2 | Respiration |
| 2 | Reproducibility of Results |
| 2 | Quality |
| 2 | Polysaccharides (chemistry) |
| 2 | Plant pathology |
| 2 | Plant leaf |
| 2 | Pigments |
| 2 | Photosynthesis |
| 2 | Peroxidase |
| 2 | Pectinesterase |
| 2 | PVP |
| 2 | PBS |
| 2 | NAA |
| 2 | Molecular Structure |
| 2 | Molecular Sequence Data |
| 2 | Minimal processing |
| 2 | Middle Aged |
| 2 | Mass spectrometry |
| 2 | Malus (chemistry) |
| 2 | Magnetic Resonance Spectroscopy |
| 2 | Intraspecific comparison |
| 2 | Indicator |
| 2 | Incidence |
| 2 | Immunoglobulin E (blood) |
| 2 | Identification |
| 2 | IDP |
| 2 | Hydrolysis |
| 2 | Hot Temperature |
| 2 | Hepatitis A (epidemiology) |
| 2 | Heat |
| 2 | Gene expression |
| 2 | GTP |
| 2 | Fruit |
| 2 | Fruit crop |
| 2 | Fruit (enzymology) |
| 2 | Freshness |
| 2 | Food Handling (methods) |
| 2 | Food Contamination |
| 2 | Food Contamination (analysis) |
| 2 | Essential oil |
| 2 | Egypt (epidemiology) |
| 2 | EGTA |
| 2 | EDTA |
| 2 | Disease |
| 2 | Cultivar |
| 2 | Crystallization |
| 2 | Comparative study |
| 2 | Citrus sinensis (metabolism) |
| 2 | Citrus sinensis (enzymology) |
| 2 | Citrus (enzymology) |
| 2 | Citrus (chemistry) |
| 2 | Chemical composition |
| 2 | Carotenoids (metabolism) |
| 2 | Carboxylic Ester Hydrolases (metabolism) |
| 2 | CTP |
| 2 | BSA |
| 2 | BA |
| 2 | Aroma |
| 2 | Antioxidant |
| 2 | Anthocyanin |
| 2 | Amino Acid Sequence |
| 2 | Alicyclobacillus (isolation & purification) |
| 2 | Alicyclobacillus (genetics) |
| 2 | Acyltransferases (metabolism) |
| 2 | Acyltransferases (genetics) |
| 2 | Acyltransferases (chemistry) |
| 2 | ATPase |
| 2 | 2,4-D |
| 1 | α‐Pinene, β‐Pinene and limonene direct stereoanalysis |
| 1 | zinc deficiency |
| 1 | yield–disease severity relationship |
| 1 | wheat root |
| 1 | volatile organic compounds |
| 1 | vegetation |
| 1 | vacuolar H+ PPiase |
| 1 | ultrastructural damage |
| 1 | trees |
| 1 | trans‐cyclooctene |
| 1 | transgenic poplar |
| 1 | time-lapse video recording. |
| 1 | temperate climate |
| 1 | taproot. |
| 1 | suppression subtractive hybridization |
| 1 | sugar beet |
| 1 | sucrose synthase |
| 1 | sucrose sensing |
| 1 | sucrose phosphate synthase |
| 1 | stress |
| 1 | stomatal conductance |
| 1 | statistical analysis |
| 1 | static headspace olfactometry (SHO) |
| 1 | stable isotopes |
| 1 | sorbitol |
| 1 | somatic embryogenesis |
| 1 | severe NaCl stress |
| 1 | senescence |
| 1 | salt stress |
| 1 | salt compartmentation |
| 1 | salinity |
| 1 | ripening process |
| 1 | reporter gene expression |
| 1 | reconstitution |
| 1 | quantitative epidemiology |
| 1 | quantification |
| 1 | pyrophosphatase |
| 1 | pt- |
| 1 | protoplasts |
| 1 | protoplast fusion |
| 1 | protein‐protein interaction |
| 1 | protein interaction |
| 1 | plant stress |
| 1 | plant regeneration |
| 1 | plant analysis |
| 1 | photosynthesis |
| 1 | photooxidation |
| 1 | phloem loading |
| 1 | peptide synthesis |
| 1 | peptide amides |
| 1 | particle bombardment |
| 1 | p.i. |
| 1 | oxylipins |
| 1 | oxidation |
| 1 | orange‐derived stimuli |
| 1 | orange peel oil |
| 1 | new species |
| 1 | new record |
| 1 | new combinations |
| 1 | neral |
| 1 | needle development |
| 1 | nectar flow |
| 1 | morphometry |
| 1 | morphogenesis |
| 1 | mixture analysis |
| 1 | metabolite pools |
| 1 | membrane permeability |
| 1 | medfly oviposition |
| 1 | long-term cultures |
| 1 | light intensity |
| 1 | life form |
| 1 | leaf chlorosis |
| 1 | key odorants |
| 1 | jasmonates |
| 1 | intensity |
| 1 | immunoprecipitation |
| 1 | immunonegative staining |
| 1 | hybrid selection |
| 1 | higher pl |
| 1 | giant stomata |
| 1 | geranial |
| 1 | genus specific molecular marker |
| 1 | fruit ripening |
| 1 | fruit juices |
| 1 | fructose 2,6‐bisphosphate |
| 1 | fresh orange juice |
| 1 | fragrances |
| 1 | foxglove |
| 1 | fluorescence in situ hybridization |
| 1 | floral nectary |
| 1 | evolution. |
| 1 | ethylene |
| 1 | ethylene receptor |
| 1 | ethylene inhibitors |
| 1 | enzymic amidation |
| 1 | embryogenesis |
| 1 | eco‐enzymes |
| 1 | diurnal variations |
| 1 | dicotyledonous orders |
| 1 | diazocyclopentadiene |
| 1 | deliquescence relative humidity |
| 1 | cyclopropenes |
| 1 | ct- |
| 1 | cross talk |
| 1 | crop loss models |
| 1 | critical Zn deficiency levels |
| 1 | contact allergy |
| 1 | citrus |
| 1 | citrus reticulate |
| 1 | citral |
| 1 | cis‐jasmone |
| 1 | chromosome banding |
| 1 | chlorophyll content |
| 1 | chilling |
| 1 | cercosporoid hyphomycetes |
| 1 | cell cultures |
| 1 | carotenoids |
| 1 | cardenolides |
| 1 | carbon partitioning/allocation |
| 1 | boron translocation |
| 1 | biosynthesis |
| 1 | bioorganic chemistry |
| 1 | biochemical properties |
| 1 | beta Carotene (chemistry) |
| 1 | beta Carotene (analysis) |
| 1 | beta Carotene (analogs & derivatives) |
| 1 | auxin |
| 1 | ascorbic acid |
| 1 | aroma extract dilution analysis (AEDA) |
| 1 | antagonists |
| 1 | alpha-Tocopherol (chemistry) |
| 1 | algorithms |
| 1 | abscission |
| 1 | Zeaxanthin |
| 1 | Xylella fastidiosa |
| 1 | Xenopus |
| 1 | Xanthophylls |
| 1 | Water |
| 1 | Water regime |
| 1 | Water potential |
| 1 | Water excess |
| 1 | Warehousing |
| 1 | Volatile Organic Compounds (chemistry) |
| 1 | Viscosity |
| 1 | Viscoelastic Substances (adverse effects) |
| 1 | Vicia faba |
| 1 | Vesicle |
| 1 | Vegetation effect |
| 1 | Vegetals |
| 1 | Vegetables (chemistry) |
| 1 | Vacuole |
| 1 | V0V1‐H‐ATPase |
| 1 | V-type H+-ATPase |
| 1 | V-PPase |
| 1 | V, VII |
| 1 | Urine (chemistry) |
| 1 | Urinary Calculi (prevention & control) |
| 1 | Ultraviolet Rays (adverse effects) |
| 1 | Ultrastructure |
| 1 | Tumor Cells, Cultured |
| 1 | Tryptases |
| 1 | Triticum aestivum |
| 1 | Trigeminal Nerve (physiology) |
| 1 | Tricyclic compound |
| 1 | Tricine |
| 1 | Travel |
| 1 | Travel (statistics & numerical data) |
| 1 | Translocation |
| 1 | Trametes hirsuta |
| 1 | Trace compound |
| 1 | Tooth Erosion (pathology) |
| 1 | Tonoplast |
| 1 | Tolerance |
| 1 | Tissue extract |
| 1 | Tissue culture |
| 1 | Threonine (chemistry) |
| 1 | Terpenoid |
| 1 | Terpenes (toxicity) |
| 1 | Terpenes (analysis) |
| 1 | Terpenes (administration & dosage) |
| 1 | Temperature |
| 1 | Temperature effect |
| 1 | Temperature dependence |
| 1 | Technology, Pharmaceutical (methods) |
| 1 | Taste |
| 1 | Syzygium (chemistry) |
| 1 | Synthetic product |
| 1 | Sweetening Agents (metabolism) |
| 1 | Sunburn (prevention & control) |
| 1 | Sunburn (metabolism) |
| 1 | Sunburn (etiology) |
| 1 | Sucrose transport |
| 1 | Subunit composition |
| 1 | Styrene (toxicity) |
| 1 | Styrene (analysis) |
| 1 | Structure-Activity Relationship |
| 1 | Streptomyces (chemistry) |
| 1 | Stereoisomer |
| 1 | Stereochemistry |
| 1 | Stenotrophomonas maltophilia |
| 1 | Staphylococcus aureus (drug effects) |
| 1 | Spores, Bacterial (classification) |
| 1 | Spectrophotometry (methods) |
| 1 | Spectrometry, Mass, Electrospray Ionization |
| 1 | Spatial distribution |
| 1 | Spain |
| 1 | South Africa |
| 1 | Solubility |
| 1 | Solid‐state fermentation |
| 1 | Soil |
| 1 | Soil plant relation |
| 1 | Sodium Chloride (pharmacology) |
| 1 | Sodium Chloride (metabolism) |
| 1 | Smell (physiology) |
| 1 | Small dimension |
| 1 | Skin (metabolism) |
| 1 | Skin (immunology) |
| 1 | Silicone Elastomers (chemistry) |
| 1 | Short term variation |
| 1 | Sesquiterpenes |
| 1 | Sesquiterpenes (metabolism) |
| 1 | Sesquiterpenes (chemistry) |
| 1 | Serine Endopeptidases (blood) |
| 1 | Sequence Homology, Amino Acid |
| 1 | Separation |
| 1 | Sensitivity and Specificity |
| 1 | Secretory Rate (physiology) |
| 1 | Seasons |
| 1 | Satellite DNA |
| 1 | Salt stress |
| 1 | Salt resistance |
| 1 | Saliva (secretion) |
| 1 | Safety |
| 1 | SNP |
| 1 | SELEX Aptamer Technique (methods) |
| 1 | SELEX Aptamer Technique (instrumentation) |
| 1 | Rutaceae (genetics) |
| 1 | Rutaceae (enzymology) |
| 1 | Rosales (genetics) |
| 1 | Rosales (enzymology) |
| 1 | Rosa species |
| 1 | Risk assessment |
| 1 | Risk Assessment (methods) |
| 1 | Ribosomes |
| 1 | Ribonucleases |
| 1 | Reversed phase chromatography |
| 1 | Residue |
| 1 | Repellent |
| 1 | Relation |
| 1 | Regulation(control) |
| 1 | Reductase |
| 1 | Redhaven peach |
| 1 | Reconstitution |
| 1 | Recombinant Proteins (metabolism) |
| 1 | Recombinant Proteins (chemistry) |
| 1 | Real-Time Polymerase Chain Reaction (methods) |
| 1 | Random Allocation |
| 1 | Radiotelemetry |
| 1 | Racemate |
| 1 | Rabl orientation |
| 1 | RNA, Ribosomal, 16S (genetics) |
| 1 | Quality control |
| 1 | Pyrus communis |
| 1 | Pyrolytic chromatography |
| 1 | Pyrans (chemistry) |
| 1 | Pyrans (analysis) |
| 1 | Purification |
| 1 | Proton transport |
| 1 | Protein |
| 1 | Protein Structure, Tertiary |
| 1 | Protective Agents (pharmacology) |
| 1 | Profilins (analysis) |
| 1 | Profilin |
| 1 | Proanthocyanidin |
| 1 | Pressing |
| 1 | Powders (chemistry) |
| 1 | Poultry Products (toxicity) |
| 1 | Poultry Products (analysis) |
| 1 | Potassium Channel Blockers (pharmacology) |
| 1 | Potassium Channel Blockers (metabolism) |
| 1 | Postharvest processing |
| 1 | Populus |
| 1 | Population Surveillance |
| 1 | Polysaccharides, Bacterial (adverse effects) |
| 1 | Polymorphism, Genetic |
| 1 | Polyketide Synthases (metabolism) |
| 1 | Polyketide Synthases (genetics) |
| 1 | Polyketide Synthases (chemistry) |
| 1 | Polyisoprenyl Phosphates (metabolism) |
| 1 | Polyisoprenyl Phosphates (biosynthesis) |
| 1 | Pleasure (physiology) |
| 1 | Plastics (toxicity) |
| 1 | Plant origin |
| 1 | Plant growth substance |
| 1 | Plant Tissue Culture |
| 1 | Plant Proteins (analysis) |
| 1 | Plant Oils (chemistry) |
| 1 | Plant Gums (adverse effects) |
| 1 | Plant Growth Regulators (pharmacology) |
| 1 | Plant Extracts (administration & dosage) |
| 1 | Picea abies |
| 1 | Physiological disorder |
| 1 | Physicochemical Phenomena |
| 1 | Phylogeny |
| 1 | Phyllosticta |
| 1 | Phosphorus |
| 1 | Phosphorus fertilization |
| 1 | Phenols |
| 1 | Phenolic acids |
| 1 | Phaseolus vulgaris |
| 1 | Phase Transition |
| 1 | Pharmaceutical Preparations (chemistry) |
| 1 | Pesticide Residues (isolation & purification) |
| 1 | Pesticide Residues (chemistry) |
| 1 | Pesticide Residues (analysis) |
| 1 | Peroxides (metabolism) |
| 1 | Peroxidases |
| 1 | Peroxidase (metabolism) |
| 1 | Peptide Fragments (chemistry) |
| 1 | Peel |
| 1 | Peel oil |
| 1 | Pectins (metabolism) |
| 1 | Pectins (chemistry) |
| 1 | Pathogenic |
| 1 | Pathogenesis-Related Proteins |
| 1 | Patch-Clamp Techniques |
| 1 | Paraquat (metabolism) |
| 1 | PTS1 |
| 1 | PPi |
| 1 | PMSF |
| 1 | PEG |
| 1 | P-type H+-ATPase |
| 1 | P-ATPase |
| 1 | Oxygen heterocycle |
| 1 | Oxidative stress |
| 1 | Oxidative Stress (physiology) |
| 1 | Oxalic acid |
| 1 | Osthole |
| 1 | Organophosphate |
| 1 | Orange allergy |
| 1 | Optical resolution |
| 1 | Oocytes (drug effects) |
| 1 | Olfactory Perception (physiology) |
| 1 | Olfactory Nerve (physiology) |
| 1 | Oil |
| 1 | Odors |
| 1 | Odors (analysis) |
| 1 | Nutrition |
| 1 | Nursery plant |
| 1 | Nuclear Magnetic Resonance, Biomolecular |
| 1 | Nmx |
| 1 | Nm |
| 1 | Nitrogen |
| 1 | Nd+/H+ antiporter(s) |
| 1 | Natural |
| 1 | Natural compound |
| 1 | Naringenin-chalcone synthase |
| 1 | Narcissus |
| 1 | Naphthalenes (toxicity) |
| 1 | Naphthalenes (analysis) |
| 1 | NMR |
| 1 | NMR spectrometry |
| 1 | NBT |
| 1 | NADPH |
| 1 | N terminal-Sequence |
| 1 | Mycorrhiza |
| 1 | Mutation (physiology) |
| 1 | Mutation (genetics) |
| 1 | Multidimensional gas chromatography of essential oils |
| 1 | Mouth Neoplasms |
| 1 | Monoterpenes (administration & dosage) |
| 1 | Monoterpene |
| 1 | Molecular structure |
| 1 | Molecular evolution |
| 1 | Molecular Weight |
| 1 | Molecular Sequence Annotation |
| 1 | Models |
| 1 | Models, Theoretical |
| 1 | Models, Molecular |
| 1 | Models, Chemical |
| 1 | Models, Biological |
| 1 | Modeling |
| 1 | Mineral Waters |
| 1 | Milk |
