细化搜索
结果 301-310 的 392
Time Series Analysis of Causal Relationship among Sectoral Labor Productivity in Turkey 全文
2017
Cevher Özden | Filiz Yetiz
In this paper, we investigate the causal relationship in terms of labor productivity among GDP and its constituent three main sectors, e.g. agricultural, industrial and services sectors, in Turkey for the period of 1988-2015. In the study we employed Granger causality/block exogeneity Wald test, Impulse Response and Variance Decomposition analysis. The results showed that both agriculture and industry have positive effects on the labor productivity in services sector, and industry has a positive effect on the labor productivity in agriculture sector, while industrial labor productivity is not affected by the others. The main aim of the paper is examine the question of whether agriculture could serve as an engine of growth. Accordingly, the results indicated that labor productivity in agriculture sector increased during the course of study, and contributed to the labor productivity in services sector, as well. To our knowledge, although this method has been applied in various areas, sectoral causality has not been studied for Turkey before.
显示更多 [+] 显示较少 [-]Properties of Antioxidant and Anti-Inflammatory Activity and Phenolic Profiles of Şevketi Bostan (Cnicus benedictus L.) Cultivated in Aegean Region from Turkey 全文
2017
Zehra Can | Nimet Baltaş | Saban Keskin | Oktay Yıldız | Sevgi Kolaylı
The aim of this work was to evaluate the phenolic profiles and anti-inflammatory, antioxidant and gastro-protective activities of Cnicus benedictus L., a type of milk thistle cultivated in Turkey. The total phenolic content (TPC), total flavonoid content (TFC), ferric reducing antioxidant power (FRAP) and the 2,2-diphenyl-1-picryhydrazyl (DPPH) free radical scavenging activity was measured to determine antioxidant capacity. The anti-urease and anti-xanthine oxidase activities were used to determine the gastro-protective and anti-inflammatory potential of the plant extracts, respectively. The TPC was 337.40 and 635.10 mg of gallic acid equivalents (GAE)/100 g and TFC was 41.05 -119.12 mg of quercetin equivalents (QE)/100 g in the root and leaf extracts, respectively. The root and leaf extracts of Cnicus benedictus L., were exhibited different inhibition values against both of the enzymes. The inhibition effect of the both enzymes were calculated as IC50 (mg/mL) in terms of 50% inhibition of the enzymes. The xanthine oxidase activity of the leaf and root was 18.53 and 19.75 mg/mL and the urease activity were 2.29 mg/mL and 11.53 mg/mL, respectively. Fifteen phenolic compounds were determined by high-performance liquid chromatography (HPLC-UV). Vanillic, silibinin B, ferulic acid and rutin were found major amount of the plant. In conclusion, the plant have high potential beneficial nutraceuticals and consumption of the together with its roots and leafs will be beneficial in terms of nutrition.
显示更多 [+] 显示较少 [-]Arpa Çeşitlerinin Üretim, Pazarlama ve İşleme Açısından Önemi 全文
2017
Rahmi Taşcı | Zeki Bayramoğlu
Bu çalışma ile; Konya ilinde arpa üretim, pazarlama ve işleme aşamalarında arpa pazarlamasına etki eden kriterlerin araştırılması amaçlanmıştır. Çalışmada; Konya ilinde faaliyet gösteren; karma yem (37 adet) ve malt fabrikası (1 adet), arpa alım satımı yapan tüccarlar (50 adet) ve tarımsal faaliyetleri içinde arpa üretimine yer veren tarım işletmeleri (107 adet) ile yapılan anket sonuçları kullanılmıştır. Tarım işletmeleri tarafından arpa satımında fiyata etki ettiği düşünülen kriterlerin başında hektolitre ve arpanın içine başka bitki çeşidinin karışmaması öne çıkarken, arpa çeşitlerinin satış fiyatında önemli bir kriter olmadığı belirlenmiştir. Tüccarların arpa satın alırken göz önünde bulundurduğu en önemli kriter arpanın hektolitresi olup, bu kriteri arpanın rutubeti, rengi ve içindeki yabancı madde karışıklık oranı izlemektedir. Fabrikaların arpa satın alırken göz önünde bulundurdukları en önemli kriter arpanın rutubet oranı olarak belirlenirken, daha sonra arpanın hektolitresi ve içindeki yabancı madde karışıklık oranı gelmektedir. Malt sanayisi için ise; arpanın çeşidi alım kriterlerinde çok önemli bir faktör olup, bunu arpanın rutubet oranı ve rengi takip etmektedir.
显示更多 [+] 显示较少 [-]Fatty Acid Composition and Antioxidant Activity of Tricholoma Imbricatum and T. Focale 全文
2017
Erhan Kaplaner | Mehmet Hüseyin Singeç | Mehmet Öztürk
Edible mushrooms are one of the important food source because of their tastes, and having high concentration of fatty acids and the other nutrients. In this study, fatty acid composition and antioxidant properties of Tricholoma imbricatum and T. focale were determined. The fatty acids were analysed by GC, and GC-MS while the antioxidant activity was tested using five complimentary methods; namely, β-carotene-linoleic acid, DPPH scavenging, ABTS scavenging, CUPRAC and metal chelating assays. Eight fatty acids were determined in hexane extract, and oleic acid was the major fatty acid with 46.4% and 35.0%, respectively. Palmitic acid (12.8%, and 5.12%) and lineloic acid (28.2% and 31.0%) were also detected in high amounts. In DPPH.scavenging and ABTS·+ scavenging assays, the methanol extract of T. imbricatum (IC50: 0.12±0.01 mg/mL for both assay) showed better antioxidant activity than those of T. focale (IC50>0.8±0.01, and IC50: 0.21±0.01 mg/mL). All extracts of T. focale exhibited good activity in β-carotene-linoleic acid assay while only the hexane extract of T. imbricatum showed activity. Both mushroom indicated moderate in cupric reducing power. Since the mushrooms are nontoxic and edible, both can be used in food industry as preservatives.
显示更多 [+] 显示较少 [-]The Importance of Edible Landscape in the Cities 全文
2017
Filiz Çelik
The 21st century sustainable city requires the merging of urbanism with sustainable food systems. The challenges industrial food system separates people from their food sources. The design strategies for edible landscape are about re-inviting food back into the city and re-connecting people with their local/regional food system to promote a healthier lifestyle. Edible landscapes are a movement in transition and sprouting up as a response to the slow food movement and living a greener lifestyle. These urban agricultural landscapes are fast becoming iconic media darlings and are demonstrating that they are far more than growing vegetables and fruits on abandoned lots. Edible landscaping is the use of food plants as design features in a landscape. These plants are used both for aesthetic value as well as consumption. Edible landscapes encompass a variety of garden types and scales but do not include food items produced for sale. Edible landscaping is the practical integration of food plants within an ornamental or decorative setting. Using edibles in landscape design can enhance a garden by providing a unique ornamental component with additional health, aesthetic, and economic benefits. In this study; emergence of edible landscape, edible landscape design and maintenance, samples of edible landscape, productive plants, importance of edible landscaping for urban environments have been explained.
显示更多 [+] 显示较少 [-]Sıcaklık Kontrollü Mikrodalga Kurutma Yönteminin Alıç (Crataegusspp. L.) Meyvesinin Kuruma Karakteristikleri ve Renk Değerleri Üzerine Etkisi 全文
2017
Hakan Polatcı | Muhammed Taşova
Bu çalışmada alıç meyvesi sıcaklık kontrollü bir mikrodalga kurutucuda kurutularak kuruma süresi, renk değeri ve ürünün kuruma eğrilerini en iyi tahmin eden matematiksel model belirlenmiştir. Ürünler tasarlanan sıcaklık kontrollü mikrodalga kurutucuda 50, 60 ve 70ºC sıcaklıklarda kurutulmuştur. Kuruma süreleri 50, 60 ve 70ºC kurutma sıcaklıkları için sırasıyla 129, 66, ve 45 dakika olarak belirlenmiştir. En kısa kuruma süresi 70ºC kurutma sıcaklığında olurken en uzun kuruma ise 50ºC kurutma sıcaklığında olmuştur. Kuruma eğrilerini tahmin etmek için ince tabakalı kurutma modellerinden Yağcıoğlu, Midilli- Küçük ve Page matematiksel modelleri kullanılmıştır. Kuruma eğrilerini en iyi tahmin eden matematiksel modelin Midilli-Küçük modeli olduğu belirlenmiştir. Ayrıca taze ve kurutulmuş alıç meyvesinin kalite kriteri olarak renk değerleri araştırılmıştır. L parlaklık ve a kırmızılık renk değerleri açısından her üç kurutma sıcaklığında da kurutulan ürünler ile taze ürün arasında istatistiki açıdan bir farklılık oluşmuştur. b sarılık değeri açısından ise istatistiki olarak 50 ve 70ºC sıcaklıkta kurutulan örneklerle taze ürün arasında bir farklılık oluşmamıştır. Taze ürünlere ait hesaplanarak belirlenen kroma, hue açısı ve esmerleşme değerleri ile kurutulan ürünlere ait kroma ve esmerleşme değerleri arasında ise rakamsal olarak büyük bir farklılık yoktur. Ancak taze ürünün kroma ve kahverengilik değerlerine en yakın değerler 70ºC kurutma sıcaklığında yapılan kurutma işleminde belirlenmiştir.
显示更多 [+] 显示较少 [-]The Use of Insects in Broiler Nutrition 全文
2017
Özgün Işık | Figen Kırkpınar
In broiler production which is based on fast and high live weight gains, it is important to provide nutrient and energy needs for the birds. Due to some problems in conventional feed materials that used to provide for these needs, alternative feed materials are required. Insects which in the chickens natural diets, are promising for this purpose. Among the most studied species as an alternative protein feed source, soldier fly (Hermetica illucens), housefly (Musca domestica), meadow grasshopper (Gryllus testaceus), silkworm (Bombyx mori), grasshopper (Acrididae) and mealworm (Tenebrio molitor).
显示更多 [+] 显示较少 [-]Proximate, Anti-Nutrient and Vitamin Composition of Full-Fat and Defatted Seed Flour of Telfairia occidentalis 全文
2017
Yetunde Alozie | Akaninyene Udo | Catherine Orisa
Studies were conducted to determine the proximate and anti-nutrient composition of full-fat and defatted seed flour of Telfairia occidentalis (fluted pumpkin) using standard procedures. The defatted seed flour (DSF) indicated higher protein content (46.55%) while the full-fat seed flour (FSF) presented a value of 10.20%. The lipid (35.78%), carbohydrate (42.27%), and caloric values (531.90 Kcal/100 g) obtained for FSF were respectively higher than values of similar determinations for DSF. The anti-nutritional analyses of the FSF showed slightly higher oxalate content (44.00 mg/100 g) while cyanide, phytate and tannin levels were higher in DSF. The vitamin A composition of FSF (9.18 mg/100 g) was higher than that of DSF (0.84 mg/100 g) while DSF indicated higher vitamin C (74.44 mg/100g) content. These results revealed that the seed flour of Telfairia occidentalis contains an appreciable amount of nutrients and vitamins. The levels of toxicants in both FSF and DSF samples were low and below toxic levels. The seed flour of Telfairia occidentalis can be exploited as a cheap and valuable source of vegetable protein in fortified food products formulation.
显示更多 [+] 显示较少 [-]Annual Change of Reproductive Hormones in Female Angora Goats 全文
2017
Erkan Pehlivan | Hüseyin Polat | Gürsel Dellal
In this research, annual changes of melatonin, gonadotropin-releasing hormone, follicle stimulating hormone, luteinizing hormone, estrogen, testosterone and progesterone were studied on 6 heads of 1.5 years old female Angora goat. To determine hormones concentrations, blood samples were taken from jugular vein of each goat in every month for a year. The blood samples were centrifuged at 4000xg for 5 min. and serum was stored at -20°C until analyses time. Hormones analyses in the serum were performed by enzyme immunoassay (EIA) method. Monthly climatic values and photoperiod were obtained from the Turkish State Meteorological Service and temperature-humidity index was calculated with climatic values. In the study, in order to determine any possible differences in the observed hormones concentrations with respect to months, repeated measures ANOVA analysis was performed. As a result of statistical analysis, there were no significant differences among the months for gonadotropin-releasing hormone, follicle stimulating hormone and testosterone concentration, while significant differences were found among the months for melatonin, luteinizing hormone and progesterone, and estrogen concentration in female Angora goats. According the results of this study, could be concluded that the releases of reproductive hormones examined in female Angora goats was seasonally dependent.
显示更多 [+] 显示较少 [-]Economic Feasibility of Functional Meat Products for Commercial Production in India 全文
2017
Varalakshmi Kandanuri
This paper analyses the production of functional chicken meat products from economic perspectives. It analyses and compares the economics and investment feasibility on different size groups of processing plants in India. The primary data on input use and output yield were taken from studies of NRCM and data was analysed using economic analysis and investment appraisal techniques like NPV, IRR(%), BC ratio, and Break even analysis. The results indicated that the cost of production of functional products was 5.2 and 5.18 and 4.59 US dollars per kg on small, medium and large scale units respectively. All the processing units are found to be economically feasible with NPV of US$ 12727, 64661 and 153703, IRR of 26%,31% and 42% and B-C ratio was estimated as 1.56, 1.78 and 2.29 for small, medium and large scale units respectively. Economies of scale is evident form all perspectives like production costs, profits, discounting measures and breakeven point. The study found the feasibility of functional meat products in India for commercial production.
显示更多 [+] 显示较少 [-]