Lycopene content of triplicate tomato fruit samples were determined according to the method of Fish et al. STANDARDIZATION OF A RAPID SPECTROPHOTOMETRIC METHOD FOR LYCOPENE ANALYSIS. (Received June 20, 2011; accepted September 15, 2011) = (A503 x 537 x 8 x 0.55)/(0.10 x 172) = A503 x 137.4 where 537 g/mole is the molecular weight of lycopene, 8 mL is the volume of mixed solvent, 0.55 is the volume ratio of the upper layer to the mixed solvents, 0.10 g is the weight of tomato added, and 172 mM-1 is the extinction coefficient for lycopene in hexane. Efficient assays for detection and quantification o Here, we report a method by which light absorbance measured with a scanning xenon flash colorimeter/ spectrophotometer is used to quantify lycopene content in pureed translucent fruit samples. The pulp is subsequently extracted using ethyl acetate as a solvent. This method will be useful for breeding programs and processors who are interested in evaluation of a large number of samples in a rapid fashion. … (2007). The speed of analysis is of particular importance because regulatory compliance monitoring often requires a large number of assays. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> In other words, paracetamol and chlorzoxazone … Vials were then centrifuged (5,871 × g for 15 min). <> = (A503x 537 x 8 x 0.55)/(0.10 x 172) (1) = A503 x 137.4 (2) where 537 g/mole is the molecular weight of lycopene, 8 mL is the volume of mixed solvent, 0.55 is the volume ratio of the upper layer to the mixed solvents, 0.10 g is the weight of tomato added, and 172 mM-1is the extinction coefficient for lycopene … endobj The method comprises eggplant bottle slant culture of mother seeds, 15L-150L-1,500L seed tank amplification culture of seed liquid, and 10m<3> fermentation tank fermentation culture in a mixed ratio of positive bacteria to negative bacteria of 1:10. I�����Pɬ�v��8�6d����XS�����I��Ǐ�� ��iI%���1"��N���] aUQ��Q����m"B�dI^���u@�9Y l1�=�^�}5{9b�|��lVW�̖��"J��5U���L�鏰��,��N��#�ܞ�� ;#�| r]���,3�o�ޒNA�� �;%� Z���m6;-�Pκ%��̤�B�痩�ݪ���T9��ߟ?3���۳�J��4������_�8[��jԊ5&G]*=liCז6�˷=^������Y?����O��B���}?���f� Method and materials: Forty-two systemically healthy subjects with chronic periodontitis were included in a randomized, placebo-controlled, parallel design, double-blinded trial. %PDF-1.5 Therefore the proposed method was used for the routine analysis of the pharmaceutical dosage forms. Lycopene has been determined in food or biological samples by many analytical methods, such as UV-Visible spectrophotometry, liquid chromatography connected to electro spry-ionization (LC/ESI-MS), reverse phase liquid chromatography (RP-LC), supercritical fluid chromatography(SFC), matrix assisted desorption ionization(MALDI) and especially LC with spectrophotometric detection. A rapid method for the extraction, separation and quantification of the geometric isomers of lycopene and β‐carotene from tomato fruit is described. HPLC/UV Analysis of the Lycopene Materials and Methods Lycopene was analysed using reversed-phase high- Materials performance liquid chromatography using isocratic elution and UV detection at 472 nm (Waters, Zellik, Belgium). Abstract . Extraction of Lycopene and UV- Vis analysis: Approximately 0.6 g of sample was weighed and added to 5 ml of 0.05 % (W/V) BHT in acetone, 5 ml of 95 % ethanol and 10mL of hexane. Our laboratory has developed a standard method for the extraction and determination of lycopene in tomato products. This is a sensitive, rapid and reproducible assay utilizing a mixture of hexane/ethanol/acetone for extraction. Homogenized frozen tomato samples (1 g of each) were placed into vials, to which was added 5 mL acetone, 5 mL of ethanol, and 10.0 mL of hexane. TRANSFORMATION FREQUENCY, 758_4 َEVALUATION OF SALT-TOLERANT GENOTYPES OF TWO PROCESSING TOMATO DERIVED FROM IN VITRO REGENERATION UNDER SALT STRESS, 758_5 ANTI-OXIDATIVE ACTIVITY IN DIFFERENT CULTIVARS OF TOMATO (LYCOPERSICON ESCULENTUM). Preferably, the tank batch fermentation … 758_6 IN VITRO REGENERATION PLANTS OF TWO CULTIVATED TOMATO LYCOPERSICON ESCULENTUM MILL. Analysis of Lycopene in Food by HPLC Lycopene is a type of carotenoid. Lycopene content in various tomato products ranged from 42 ppm to 365 ppm. The subjects were randomly distributed between the two treatment groups: test group (n = 21) 8 mg lycopene/day and placebo group (n = 21) along with adjunctive scaling and root planing. {�v&I�St3��i6;TĮ�9ٵ�Uvf�����i_���>=���\ߥG%��*5p�o��L�a���]�p���9\��iȏm*�s�6G��*Y��R��t���bcEV���G��;��Pߥ�Bwx���>�W�J3:���s�Y��ɩEŧ9l1oR�4(��.�*i.�NW� ]����׼%���;�}��"Er�m����F�M� Y��!#�,�7� L��} �v�� �y�0!p�'&�����]�'n�Ѳl,hΎ��o ��=�C�5�`��^���1B�;J(*���ʭ�P4�)|�. Anthon, G. and Barrett, D.M. Over the last decades, epidemiological studies have shown a strong associ… Our laboratory has developed a standard method for the extraction and determination of lycopene in tomato products. <> 758_7 INTEGRATED DISEASE MANAGEMENT IN PROCESSING TOMATO IN TURKEY, 758_8 DEMOGRAPHIC TRAITS OF TWO PHYTOPHAGOUS MITES (TETRANYCHUS CINNABARINUS AND ACULOPS LYCOPERSICI) AND BIOLOGICAL CONTROL ON TOMATO, 758_9 SEASONAL ACTIVITY OF HELICOVERPA ARMIGERA (LEPIDOPTERA: NOCTUIDAE) FOR IMPROVED CONTROL MANAGEMENT STRATEGIES IN PROCESSING TOMATOES, 758_10 INNOVATION IN PROCESSING TOMATO: THE LAB AND THE FIELD, 758_11 USE OF "LOCUST BEAN GUM" IN KETCHUP FORMULATION: RHEOLOGICAL STUDY, 758_12 STANDARDIZATION OF A RAPID SPECTROPHOTOMETRIC METHOD FOR LYCOPENE ANALYSIS, 758_13 THE INSTRUMENTAL MEASUREMENT OF COLOUR AND LYCOPENE IN TOMATO AND TOMATO PRODUCTS, 758_14 EFFECT OF HIGH PRESSURE ON QUALITY PARAMETERS OF CHERRY TOMATO JUICE, 758_15 DYNAMIC DEMAND ANALYSIS FOR TOMATO IN TUNISIA, 758_16 INNOVATION IN TOMATO PROCESSING: OSMODEHYDROFREEZING TO OBTAIN NEW INGREDIENTS FOR OVEN-BAKED PRODUCTS, 758_17 OSMODEHYDROFREEZING OF TOMATO: FROM PRODUCTION TO CONSUMPTION, 758_18 THE NUTRITIONAL AND FUNCTIONAL POTENTIAL OF TOMATO BY-PRODUCTS, 758_19 CAROTENOIDS CONTENT IN RIPE RAW AND PROCESSED (SAUCE) BERRIES OF HIGH PIGMENT TOMATO HYBRIDS, 758_20 INDUSTRIAL QUALITY OF CHERRY TOMATO VARIETIES IN NAVARRE, 758_21 EFFECT OF RIPENING STAGE ON LYCOPENE CONTENT OF DIFFERENT PROCESSING TOMATO CULTIVARS GROWN IN TUNISIA, 758_22 EVALUATION OF TOMATO FRUITS QUALITY AND THE PRODUCTS DERIVED FROM TOMATO PRODUCED AND MARKETED IN ALGERIA BY THE CONTENT MEASURE IN NATURAL ANTIOXIDANTS, 758_23 LYCOPENE INTAKE SIGNIFICANTLY REDUCES BIOMARKERS OF OXIDATIVE STRESS AND BONE RESORPTION IN POSTMENOPAUSAL WOMEN, 758_24 PROCESSING TOMATO CROPPING SYSTEM SUSTAINABILITY PATHWAYS: STATE OF THE ART AND RULES OF THUMB, 758_25 IRRIGATION STRATEGIES IN TOMATO USING LONG TERM WEATHER ANALYSIS, 758_26 TOMATO ROOT'S DISTRIBUTION AND WATER UPTAKE: CONTRIBUTION FOR TRICKLE IRRIGATION MANAGEMENT, 758_27 NITROGEN LEVEL EFFECT ON YIELD AND QUALITY OF FERTIGATED PROCESSING TOMATO IN SOUTHERN ITALY, 758_28 ORGANIC AND MINERAL NITROGEN FERTILIZATION FOR PROCESSING TOMATO IN SOUTHERN ITALY, 758_29 INFLUENCE OF THE FORM OF NITROGEN SUPPLY ON NITROGEN UPTAKE AND ANATOMY STRUCTURES, 758_30 FERTIGATION OF PROCESSING TOMATO IN SIDI BOUZID REGION (TUNISIA), 758_31 MAKE CONSISTENT IRRIGATION WITH TREATED WASTE WATER, WATER SAVING AND HIGH QUALITY FOOD PRODUCTION: THE EU PROJECT SAFIR, 758_32 EFFECT OF POTASSIUM SUPPLY ON THE BEHAVIOUR OF TWO PROCESSING TOMATO CULTIVARS AND ON THE CHANGES OF FRUIT TECHNOLOGICAL CHARACTERISTICS, 758_33 EFFECT OF ETHREL ON RIPENING DYNAMIC AND LYCOPENE CONTENT IN CASE OF TWO PROCESSING VARIETIES, 758_34 AGRONOMIC AND QUALITATIVE EVALUATION OF PROCESSING TOMATO CULTIVARS IN TUNISIA, 758_35 EFFECT OF PARTICLE FILM TECHNOLOGY ON TEMPERATURE, YIELD AND QUALITY OF PROCESSING TOMATO, 758_36 PROCESSING TOMATO MECHANICAL HARVESTING COST EVALUATION, 758_37 AGRIBUSINESS AND CONTRACT FARMING: THE CASE OF TOMATO PRODUCTION IN TURKEY, 758_38 EVALUATION OF SOME TECHNOLOGICAL AND QUALITY CHARACTERISTICS OF TWENTY PROCESSING TOMATO CULTIVARS IN TUNISIA, 758_39 EFFECT OF TECHNICAL NURSERY ON HARVEST CHARACTERISTICS OF PROCESSING TOMATO CULTIVATED IN SIDI-BOUZID REGION (TUNISIA), 758_40 THE INFLUENCE OF PLANTING TIME ON THE LYCOPENE CONTENT OF COMMERCIAL TOMATO VARIETIES FOR INDUSTRY FROM THE EBRO VALLEY, 758_41 CONTRIBUTION OF AN F1 HYBRID IN THE ADAPTATION OF INDUSTRIAL TOMATO TO THE HYDROUS STRESS FROM THE QUALITATIVE AND QUANTITATIVE POINT OF VIEW, 758_42 BEHAVIOUR OF DIFFERENT PROCESSING TOMATO CULTIVARS GROWN ORGANICALLY IN TUNISIA, 758_43 MYCORRHIZAL INOCULATION AND PHOSPHORUS FERTILIZATION EFFECT ON GROWTH AND YIELD OF PROCESSING TOMATO, 758_44 ORGANIC FERTILIZATION ON SOIL WATER CONTENT, YIELD AND QUALITY OF PROCESSING TOMATO, 758_45 COMPARISON OF THE PRODUCTIVITY AND QUALITY OF THE GRAFTED AND UNGRAFTED TOMATO PLANTS GROWN IN THE GREENHOUSE WITH MYCORRHIZA APPLICATION. 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