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  • Fisheries  (37)
  • 1
    Publication Date: 2021-05-19
    Description: Scientific and practical planning for achieving the lofty goals of the Islamic Republic of Iran in the framework of development plan of 1404 is the requirement to achieve sustainable development. Establishing roadmap of industries and products was considered by the scientific and technology office of the deputy president, in order to achieve the abovementioned objectives and in line with the national scientific comprehensive map. Therefore, present study was conducted as the roadmap of national aquatic-food processing development using available approved documents e.g. Iran perspective of 1404, fifth developing plan of I.R. of Iran, developing plan of Iranian fisheries organization in 1400 and the available approved statistical data. Current perspective of the aquatic-food processing is presented at the first chapter of the study. The second chapter reviewed the problems and obstacles. Third chapter tabulated the published studies and researches in fish handling and processing so far. Finally fourth chapter recommends executive and research projects considering quantitative and qualitative objectives of Iran 1400 plan as well as fifth developing plan of Shilat-Iran (Iranian fisheries organization). Authors hope the study to be useful in the national planning of I. R. of Iran in the future.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Road-map ; Aquatic ; Fisheries
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 68pp.
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  • 2
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    In:  http://aquaticcommons.org/id/eprint/21954 | 18721 | 2018-01-18 09:49:23 | 21954 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-05
    Description: In this study, the effect of Rosemary and Zataria extracts on three different treatments in frozen Silver carp minced were studied in normal packaging. Therefore, a control and three treatments were defined: Treatment 1 - Control: frozen meat packaged in conventional Treatment 2: Frozen Silver carp minced + Zataria 300mg/kg in normal packaging Treatment 3: Frozen Silver carp minced + Rosemary 200mg/kg in normal packaging Treatment 4: Frozen Silver carp minced + Rosemary compound (100mg/kg) and Zataria (100mg/kg) in normal packaging After quick freezing of samples in the spiral freezer by individual quick freezing method, to maintain the cold temperature (-18)°C were transferred. For six month, Sampling and measurements to determine the fatty acid profile of the zero phase beginning in the first month and then every ten days, and 15 days in the second month of the third month after the monthly test. Identifying, defining and measuring the fatty acid profile by gas chromatography was performed. In this study, levels of both saturated and unsaturated fatty acids in three experimental and one control were identified as follows: A: SFA: (Saturated Fatty Acid): Meristic C14: 0/ Palmitic C16: 0 /Hepta decaenoic C17: 0 / Stearic C18: 0 / Arashidic C20: 0 B: (MUFA Mono Unsaturated Fatty Acid): Palmitoleic C16: 1-W7 / Oleic C18: 1-W9 /Gadoleic C20: 1 - W9 C: (PUFA Poly Unsaturated Fatty Acid): Linoleic C18: 2-W6 /α-Linolenic C18:3-W3 D: (HUFA High Unsaturated Fatty Acid): Arachidonic C20: 4 - W6 Eicosa panta enoic acid C20: 5- EPA/W3 Docosa hexa enoic acid C22: 6-DHA/W3. Results of this study was to determine keep frozen fish meat containing extracts of Zataria and Rosemary in freezing conditions, stability of different types of fatty acids, mono unsaturated fatty acids, poly unsaturated fatty acids, high unsaturated fatty acids, So that none of the fatty acids measured, were not observed increase or decrease Changes over time while maintaining the oxidation of fatty acids is minimized. The results obtained from the profile of fatty acids and their related indices and statistical tests show the treatment contains Rosemary extract show greater stability than thyme during storage (- 18)°C. According to studies, Frozen minced fish meat treated with extracts of Rosemary, was used until the end of the storage period.
    Keywords: Biology ; Chemistry ; Fisheries ; Antioxidants ; Medicine plant ; Processing ; silver carp ; Rosmarinus officinalis ; Zataria multiflora ; fatty acids ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 87-98
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  • 3
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    In:  http://aquaticcommons.org/id/eprint/22062 | 18721 | 2018-02-01 08:45:44 | 22062 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-07
    Description: This study was conducted to measure the accumulation of heavy metals (Co and Ni) in the edible tissues of common carp (Cyprinus carpio) and comparison with international standards of FAO and FDA. Samples were caught from the West, Centre and East part of Anzali Wetland in autumn of 2012. Accumulations of heavy metals were measured by flame atomic absorption spectrophotometer. The level of nickel in the West, Centre and East part of Anzali wetland was in permissible range. Cobalt was not observed in carp fish of western wetland. But, concentration of cobalt was not showed any significant differences compared with standard levels of FDA and FAO in East and Centre parts of wetland (p〉0.05). The results showed that there were not significant differences of the cobalt and nickel in the tissues of carp among stations (p〉0.05). According to the results, carp which caught from Western, Central and Eastern part of Anzali Wetland are suitable for human consumption.
    Keywords: Chemistry ; Fisheries ; Pollution ; Edible tissue ; Anzali ; Cobalt ; Nickel ; Common carp ; Cyprinus carpio ; Determination ; accumulation ; tissues ; Anzali Wetland ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 151-157
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  • 4
    Publication Date: 2021-06-26
    Description: Berger is one of the most significant products as fish paste, now produced of red meat and red meat waste with different qualities, does not have much nutritional value .Using fish as an alternative to red meat, diversify and enhance the quality of nutritional value and the ability to use for all ages in the community of the aims of this study were , in addition the combined use of a cultured marine species is effective and to raise the index of unsaturated fatty acids and amino acids in the final product .In this study the effects of different replacement of kilka meat instead of Silver carp in the preparation of the consolidated burger on the acceptance, as well as changes unsaturated fatty acids and poly factor that it considered during 5 months of the best treatment choice for industrial production to be introduced industry Therefore 4 treatments Burger compilation as follows: Treatment (control), combination of burger with %100 Silver carp meat , treatment 1, combination of burger with %100 Kilka meat, treatment 2, combination of burger with %75 + 25 Kilka and Silver carp meat , treatment 3, combination of burger with %50 + 50 Kilka and Silver carp meat , after adding the %5.6 flour and breadcrumbs, %6 onions, %5soy, %3.25tomato paste,% 0.15 lemon juice,%2.1 garlic and egg powder and spices and %1.2salt to treatments , after preparation and packaging of the kept at cold room(-18o c )was evaluated . According to treatment 3 test (50% Kilka meat and 50% Silver carp meat) with the other treatments had significant difference (p 〈0.05) and had higher levels of unsaturated fatty acid. Also the treatment2, control and 1 respectively are secondary priorities. According to the goals of this project that combine Kilka and Silver crap meat on preparation of fusion burger is to economies the final product , results within 5 months of product storage at - 18 ° C reflects the fact that product quality in the long term preservation of unsaturated fatty acids has been accepted .
    Keywords: Biology ; Chemistry ; Fisheries ; Fish Berger ; Polyen Index ; unsaturated fatty acids ; Caspian kilka ; silver carp ; Omega 3 ; Omega 6 ; Clupeonella cultriventris ; Hypophthalmichthys molitrix ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 43-50
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  • 5
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    In:  http://aquaticcommons.org/id/eprint/22386 | 18721 | 2018-04-03 13:06:47 | 22386 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-04
    Description: The a im of th is paper was to study the effects w hey pro t e in c oat i ng on ch e m ic al a nd physic al properties of gut t ed K i l ka dur i ng f roz en stor a ge. Coating of Kilka has done by dipping in whey protein solution with different concentrations of 3, 7, 10 and 13%, for 1h. Then, after being packed in polyethylene dishes, they were covered in cellophane blanket and stored in -18°C. There were 125 testing and control packages, each of them weight 250grams. Heme iron, peroxide value, protein, lipid and pH has measured after 0, 1, 2, 3 and 4 months storage in freezer. R e s u l ts of h e me iron, p e roxi de v a l ue and lipid of control tr e at m ents h a ve s hown s i gni f icant difference among ex p e r i m ent al tr e at m ents (p〈0.05). P ro t e in and pH v a lue of control tr e at m ents did not show significant difference with other treatments (p〉0.05). Our results showed that coating process with di ff e r e nt whey pro t e in con c entrat i on leads to decrease in peroxide value and increases the iron content. 13% whey protein concentration was provided the most satisfactory results.
    Keywords: Biology ; Fisheries ; Edible films and coatings ; Whey protein ; Kilka ; fish ; Heme iron ; Lipid oxidation ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 412-421
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  • 6
    Publication Date: 2021-07-16
    Description: Bony fish stocks are being legally utilized by 134 fishing cooperatives in the Iranian side of the Caspian Sea mainly through beach seine. This fishing method has been invariantly used over the past. Fifty years with actually no alteration or technical modifications in the fishing nets despite the substantial changes in the quality & quantity of bony fish resources. Based on the data obtained from the stock assessment project for bony fish, the amount of premature or young fish (substandard size) caught during the past decade has been far greater than those of authorized fish size and even the figures for certain species suggest heavy over fishing to such an extent that in the case of frisii kutum, there has been a reduction by 50% in the overall kutum landings. Thus in order to modify the technical design of the fishing with a view to alleviate the catch of non-standard fish and whereby prevent over fishing by beach seine, it seems imperative therefore to launch a biometric study on bony fish stocks particularly the two intended fish species namely Rutilus frisii kutum and mullet which would involve identification of their standard weight and length using pertinent mathematical equations as well as determining proper mesh size of the code-end and other parts of the nets & consequently the H. R, d/a coefficients. The operations related to project were carried out in the "Inland Aquaculture Research Institute" net mating plant and beach seine site in Anzali during 2005-7 which aimed at designing and constructing standardized beach seines and comparing the fishing performance & yields with those of ordinary beach seine nets under equal conditions with a ratio of 3:1. The results concerning the quality and quantity of fish caught during a whole fishing cycle were recorded in the related data forms. The statistical analysis consisting the comparison of the quality of fishing performance in both the experimental and control beach seine nets was made using T. student and excel, spss 12 software packages. The results indicated that the reduction in the amount of non-standard fish caught in standardized beach seine net (the experimental net) was meaningfully different from that of the ordinary (control) net showing the superior fishing performance of the former. The catch level of non-standard R.frisii kutum decreased from 67.1% in the control beach seine net down to 7.1% in the standardized beach seine net and these figures for mullet were 29.98% and 1.1% respectively. Based on the results obtained and considering the apparent superiority of the experimental net in catching greater number of mature fish and less number of premature or non-standard sized fish, the use of this modified beach seine net can be proposed to Iranian fisheries organization as a viable alternative to the traditional beach seine nets.
    Keywords: Fisheries ; Iran ; Caspian Sea ; Anzali ; Beach seine net ; Rutilus frisii kutum ; Mullet ; Standard sized fish ; Non-standard sized fish ; Bony fish ; Fishing ; Stock assessment ; R.frisii kutum
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 84
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  • 7
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    In:  http://aquaticcommons.org/id/eprint/21962 | 18721 | 2018-01-18 10:14:46 | 21962 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-05
    Description: Silver carp fish and Kilka burgers fusion product is a mixture of minced meat , fish , Tofu and Silver carp , flavors , fillers , various herbs and spices .This study was designed to investigate corruption indicators and integrated manner burgers shelf- life during cold storage and was performed at a temperature of -18 ° C to this end , 4 treatments and Tofu burger meat mixed with various percentages of Silver carp was chosen .Indicators of determination include TVN,TBA, was over 4 months of PV at -18 °C was investigated and the results show that the zero – phase testing of volatile nitrogen in meat fish , Tofu , have been rather than in meat, Fish TVN,TBA and ph silver carp h .The changes in peroxide measurements over 4 month s, increase and this increase of 100 % in treatments 1 and Tofu fish used and the greatest increase with 3/53 ±0,057 average increase was significant at the 95 % level (p 〈 0/05) and also total volatile nitrogen increased during 4 months ,treatment and control of phase 1 to 4 out of the standard range . And this increased was significant at 95% for all treatments .Changes in TBA measurements over 4 month has increased ,TBA level in treatment 1 control plots in the first phase of its five standards that limit formaldehyde is 2 milligrams Malone .
    Keywords: Biology ; Fisheries ; Clupeonella cultiventris ; Silver carp ; minced fish ; fish burger consolidated ; indicators ; Chemical ; Kilka ; temperature ; Iran corruption of TVN ; TBA ; PV ; pH
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 41-48
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  • 8
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    In:  http://aquaticcommons.org/id/eprint/22016 | 18721 | 2018-01-22 11:22:33 | 22016 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-06
    Description: Fish freshness by using QIM and according to scoring to all of parts variable (positive and negative) was by sensory method and finally become the parameters of quantitative and qualitative with statistical analysis is based, tables used in volatility score of 0 to 23, with a score of 0 to 3 respectively, for their excellent quality, 3 to 7good, from 7 to 10 and from 10 to above average evaluation is unacceptable. In this study to measure the freshness of fish species Nile Tilapia (Oreochromis niloticus), black and red in 4 treatments, whole fish and empty stomach is considered and the objective of this study was to calculate the survival rate of fish in ice cover practically immediately after harvest to measure qualitative factors (sensory evaluation, chemical and microbiological).For this study 50 pieces of red and 50 pieces black Tilapia after weighed, washed and then selection 25 pieces for each treatment in unlit, ratio of 3 to 1 (ice - fish) was covered .The mean (± SD) change in temperature the fish flesh during study were between 0.2 ±0.07 a to 0.3 ±0.1a degrees Celsius, that need to raise the quality temperature is maintained at 0 degrees Celsius in unlit center. Fish covered with ice keep at ambient temperature, and after measuring the change free nitrogen, pH and microbial tests, the results showed maximum shelf life of whole fish in ice cover 9 and for empty stomach fish was7 days .And also statistical analysis (Duncan test) of data between treatments (Whole and empty fish covered in ice ) was significant (P〈0.05).
    Keywords: Chemistry ; Fisheries ; Tilapia fish ; Freshness ; Sensory evaluation ; Chemical changes ; Oreochromis niloticus ; quality index ; method ; QIM ; Fish ; Nile Tilapia ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 69-80
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  • 9
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    In:  http://aquaticcommons.org/id/eprint/22040 | 18721 | 2018-01-25 08:18:34 | 22040 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-07-06
    Description: Pike (Esox lucius) is a native species in Anzali Wetland and has been considered for its flesh. This study was carried out to compare the rate of accumulation and concentration of heavy metals such as cadmium, nickel and zinc in edible muscle tissue of pike at three stations (west, center and east) of Anzali wetland in 2012.Ten fishes were randomly caught by gillnet from different stations in standard weights. After removal of the tissue samples, for chemical digestion through mixed acid digestion (HNO3 / HClO4) was performed on samples. Heavy metal concentrations were measured using flame atomic absorption spectrophotometer. The average concentration of cadmium in pike in western station was 0.05 and in eastern and central part of wetland was 0.09 (μg/g dry weight), Mean concentrations of nickel metal in west, center and east, were 0.44, 0.37 and 0.22 (μg/g dry weight), Average concentrations of zinc in western, central and eastern part of wetland were 28, 25.55 and 13.55 (μg/g dry weight) respectively. In this study, concentrations of cadmium, nickel and zinc in edible muscle tissue of pike did not show significant differences between stations (P〉0.05). The cadmium, nickel and zinc standards in American Food and Drug Administration (FDA), World Health Organization (WHO) were compared. The results showed that toxicity of nickel in samples of central was near but in western part was more than the permissible limit compared with the standard WHO = 0.38, therefore consumption of this fish could be a warning of a threat to the health of these fish in vulnerable groups of society.
    Keywords: Biology ; Chemistry ; Fisheries ; Pollution ; Cd ; Zn ; Ni ; pike ; Anzali Wetland ; edible tissue ; Heavy metals ; concentrations ; muscle ; tissue ; Pike perch ; Esox lucius ; cadmium ; nickel ; zinc ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 75-82
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  • 10
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    In:  http://aquaticcommons.org/id/eprint/22175 | 18721 | 2018-02-21 17:27:12 | 22175 | Iranian Fisheries Science Research Institute
    Publication Date: 2021-06-29
    Description: The present project was aimed at determining the content, quality, and purity of β-carotene extracted from Azolla filiculoides in the Anzali Wetland, comparing it with synthetic β- carotene, and measuring its economic value. One treatment had β-carotene derived from Azolla filiculoides in the Anzali Wetland through the alkaline hydrolysis method in the summer of 2014. Treatments were kept at 4 °C for one year. Synthetic β-carotene was used as the control. The quality of the treatments was assessed by applying some chemical tests, including the measurement of the content and quality of β-carotene, colorimetry using the Hunter-LAB method, determination of the purity and vitamin A employing high-performance liquid chromatography (HPLC), estimation of the dwell-time duration at 5 °C, and measurement of the solubility of β-carotene in water. The results of the tests regarding the purity, concentration, colorimetry, vitamin compounds, dwell time, and solubility in the experimental β-carotene, compared with those in the control, revealed no significant difference (p〉0.05). Moreover, the factors showed no significant difference between the control and experimental treatments during the dwell time (p〉0.05). The natural β-carotene had a good quality during the storage period at 5 °C for one year. Since there was no significant difference between the β-carotene derived from Azolla filiculoides and the synthetic one in terms of the chemical tests, purity, and dwell time, and since the natural β- carotene derived from Azolla filiculoides takes precedence over the synthetic one in terms of the economic value, it is recommended that natural β-carotene extracted from Azolla filiculoides be substituted for synthetic β-carotene in the food industry.
    Keywords: Chemistry ; Fisheries ; Azoula ; Natural pigment ; β-carotene ; Food additive ; Anzali Wetland ; Iran ; Azolla Filiculoides
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 75-86
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