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Enhancing Culinary Operations Through Fuzzy Logic: A Case Study in the Catering Industry 全文
2024
Murat Doğan
This study aimed to analyze the business impact of the catering sector using the fuzzy logic method. The research was conducted at a catering company in Istanbul, utilizing document review and participant observation methods to evaluate the business impact. The nominal prioritization method was used to identify critical business processes, and a model along with a mathematical formula was developed for calculating the business impact. The Fuzzy Logic Designer Toolbox in MATLAB was utilized for this calculation. The study identified eight critical business processes: (1) material supply, (2) material storage, (3) pre-preparation process, (4) cooking process, (5) portioning, (6) shipping, (7) hygiene and food safety, and (8) customer relationship management. The business impact was assessed using classical and fuzzy logic methods, and the results were compared. The fuzzy logic method provided a more flexible and comprehensive assessment, managing uncertainty and variability more effectively than classical logic. Overall, it proved to be more effective in optimizing business processes, offering a more dynamic and holistic approach to improving and prioritizing these processes.
显示更多 [+] 显示较少 [-]Assessment of Traditional and Commercial Rosehip Marmalade Samples: Physicochemical, Antioxidant, and Antibacterial Properties in Gümüşhane Province 全文
2024
Fırat Yılmaz
In this study, the specific physicochemical, antioxidant, and antibacterial properties of 20 different rosehip marmalade samples, produced using traditional and commercial methods in the Gümüşhane province and its districts, were comprehensively analyzed. To detect the chemical composition of the rosehip marmalade samples, analyses were conducted for total dry matter, pH, ash, titratable acidity (malic acid %), soluble solids, water activity, and color (L*, a*, b*). Additionally, alongside the physicochemical analyses, the contents of hydroxymethylfurfural (HMF) and sugars (fructose, glucose, sucrose, and total sugar) were also determined. To assess the antioxidant properties, analyses for total flavonoid content, total phenolic content, DPPH (% inhibition), and ABTS (% inhibition) were performed. Furthermore, the antibacterial activities of the rosehip marmalade samples against pathogenic bacterial strains such as Proteus vulgaris ATCC 29212, Enterococcus faecalis ATCC 29212, Klebsiella pneumoniae ATCC 13883, Staphylococcus aureus ATCC 25923, Pseudomonas aeruginosa ATCC 27853, Salmonella typhimurium ATCC 23566, and Escherichia coli O157:H7 35150 were investigated.
显示更多 [+] 显示较少 [-]Adaptation and Growth Performance of F1 Progeny of Crossbred Sheep in Bangladesh 全文
2024
Nure Hasni Desha | Sadia Afrin | Md. Mahmudul Hasan Pasha | Md. Zillur Rahman | Sadek Ahmed
The research was conducted to assess the growth performance of different crossbred sheep at Bangladesh Livestock Research Institute (BLRI), Savar, Dhaka. In the crossbreeding program, Perendale, Dorper and Damara breed were considered as sire and BLRI improved native sheep (BNS) was used as dam. The production performance of assorted F1 progeny were evaluated and compared with BLRI improved native sheep. Data analysis was carried out using Generalized Linear Model (GLM) procedure of Statistical Package for the Social Sciences (SPSS) version 25.0. Each crossbred genotype outperformed native sheep in terms of live weights and Average Daily gain (ADG). The live weights (p<0.001 and p<0.01) and ADG (p<0.001) significantly influenced by genotype except the 6 months live weight. Seasonal effects were found non-significant on live weights and ADG except birth weight (p<0.05). Among the crossbreds, the highest birth weight was found in Dorper crossbred (2.37±0.13 kg) while 12 months live weight was found higher in Perendale crossbred (22.33±0.99 kg), respectively. In case of cumulative growth performance of male, the highest value was found in Damara crossbred while, Perendale crossbred female was found better compared to other crossbred. Major disease frequently occurred in crossbred sheep was diarrhea. The survivability rate (%) of crossbred sheep at lamb (0-3 months of age) and grower (3-8 months of age) stage were 92.55 and 90.8, respectively indicates positive influence on the crossbreeding program. Though, this is very first work regarding crossbred sheep, further research is needed in corporation with other economic trait associated with growth and reproduction to evaluate all the crossbred genotype as well as select a suitable crossbred for the production of commercial market lamb in Bangladesh.
显示更多 [+] 显示较少 [-]Anaerobic Co-Digestion of Cattle Manure with Ruminal Waste to Increase Biogas Production 全文
2024
Fatih Şevki Erkuş | Koray Tuncay
Cattle manure (CM) is mostly used as an inoculum in order to start-up of agricultural biogas plants or as a co-substrate in the anaerobic digestion of lignocellulosic content. Rumen fluid microbiota is also considered to be effective in lignocellulose digestion. It is known that microorganisms in the ruminal waste facilitate the hydrolysis of lignocellulosic structures. However, there are few studies on the inoculum effect of rumen microorganisms on bioreactor performances when rumen content is used as co-substrate and inoculum together with cattle manure, and it is not clear how rumen waste can be used in various anaerobic digestion systems. In this study, biogas production efficiencies obtained from lignocellulosic content in mono and cosubstrate (1:1 and 1:2 Volatile Solids) bioreactors formed by using ruminal waste (RW) and CM microbial communities were investigated. In order to determine the biogas production efficiencies, biomethane potential (BMP) experiments that simulate anaerobic digestion process conditions in a laboratory environment were applied. Treatment with 50% application of RW cosubstrate, 65.51% biogas and 70.64% methane production efficiency increases were achieved compared to monosubstrate CM bioreactor.
显示更多 [+] 显示较少 [-]Factors Affecting Melon Farmers’ Knowledge Sources and Their Attitudes Towards Input Use; The Case of Hatay Province 全文
2024
Aybüke Kaya
The aim of study is to reveal the factors affecting the knowledge sources used by melon farmers in Hatay province, and their attitudes towards input use. In addition, the research also investigated farmers’ attitudes towards plant protection knowledge and support policies. In the study was surveyed with melon farmers. The data were obtained through face to face interviews during the period of Summer-2022. In the study, factor analysis was used to determine farmers’ the factors affecting the knowledge sources. Factors affecting the knowledge sources used by farmers were determined as two-way and one-way communication. The factors affecting the sources that farmers depend on in dose adjustment were determined as internal and external factors. Besides, farmers think that the knowledge sources should be understandable and accessible. On the other hand, farmers think that the sources they depend on should be accurate and reliable. In melon cultivation, chemicals are used excessively to combat diseases and pests. Also, farmers stated that if precautions are not taken while spraying, poisoning may occur. Moreover, it is thought that empty pesticide containers should be destroyed and excessive use of fertilizers and pesticides may harm products and the environment. Furthermore, farmers claimed that support policies for melon production were not sufficient. As a result, it has been understood that melon farmers have a good level of education and are conscious individuals. However, it is thought that the training and extension activities will help farmers increase their income and environmental awareness.
显示更多 [+] 显示较少 [-]Usability of Postbiotics in Ruminant Nutrition and Health 全文
2024
Elif Rabia Şanlı
Since the ban on the use of antibiotics to promote growth in animal production in 2006, there has been a growing interest in alternative feed additives for animal production. Postbiotics, which have been utilized for this purpose in recent years, are highly promising feed additives that substitute banned substances like antibiotics. In recent years, there have been numerous studies on the utilization of postbiotics in ruminant animal nutrition. This article includes the definition of postbiotics, their properties, methods of obtaining them, and their potential applications in ruminant animal nutrition and health.
显示更多 [+] 显示较少 [-]Ohmik Evaporasyon İşlemiyle Elde Edilen Dut Pekmezinde Renk Değerlerinin İncelenmesi 全文
2024
Ferit Ak | Serdal Sabancı
Evaporasyon işlemi sıvı gıda ürünü içerisinde bulunan suyun fiziksel olarak uzaklaştırılmasıdır. Bu işlemde geleneksel ısıtma teknikleri sonucunda istenmeyen bileşen oluşumu, kalite kaybı ve aroma kayıpları meydana gelmektedir. Bu nedenle gelişen teknoloji ile geleneksel gıda işlemi uygulamalarının yerini alternatif teknikler almaktadır. Bu tekniklerin başında ohmik ısıtma işlemi gelmektedir. Ohmik ısıtma işlemi iki elektrot arasında alternatif akım geçirilerek ürünün ısınma prensibine dayanmaktadır. Bu çalışmanın ana amacı üç farklı voltaj gradyanı kullanılarak elde edilen dut pekmezinin renk değerlerinin incelenmesidir. Örnekler ohmik evaporasyon işlemi ile üç farklı voltaj gradyanında atmosferik koşullar altında %22,2 Suda Çözünür Kuru Madde (SÇKM) içeriğinden %68 SÇKM değerine kadar evaporasyon işlemine tabi tutulmuştur. Örneklere ait L*, a*, ve b* renk değerleri ölçülmüştür. Elde edilen L*, a*, ve b* değerlerinden beyazlık ve kahverengileşme gibi bazı renk indeksleri hesaplanmıştır. Beyazlık indeksi (Bİ) ve kahverengileşme indeksi (Kİ) incelendiğinde, en yüksek değerler geleneksel yöntemde elde edilirken en düşük değerler 15 V/cm voltaj gradyanında elde edilmiştir. Toplam renk değişim değerinin 3,73-8,97 arasında değiştiği, en düşük renk değişim değerinin geleneksel yöntemle elde edildiği ve bu değerin yükselen voltaj gradyanı ile arttığı belirlenmiştir. Sonuç olarak, dut pekmezi örnekleri renk değişimleri açısından incelendiğinde genel anlamda voltaj gradyanın artmasından olumsuz etkilendiği tespit edilmiştir. Bununla birlikte fiziksel kalite değerlerinin başında yer alan renk değerleri bakımından nispeten daha düşük voltajlı ohmik evaporasyon işleminin kullanılabileceği düşünülmektedir.
显示更多 [+] 显示较少 [-]Sıcak hava fritözü ile susam kavurma koşullarının optimizasyonu ve konvansiyonel kavurma ile özelliklerinin karşılaştırılması 全文
2024
Mustafa Şamil Argun | Abdullah Kurt
Tahin üretiminde en önemli aşama susamın fiziksel ve kimyasal özelliklerini etkilediği için kavurmadır. Bu çalışmada tahin üretiminde kullanılan kabuksuz susam tohumlarının sıcak hava fritözünde optimum kavurma koşullarının belirlenmesi ve özelliklerinin konvansiyonel yöntemle karşılaştırılması amaçlanmıştır. Çalışma kapsamında kabuğu soyulmuş susam tohumları farklı sıcaklık (160°C, 180°C ve 200°C) ve sürelerde (15-70 dakika) sıcak hava fritözünün haznesine 0,8 gr/cm3 olacak şekilde yayılarak kavrulmuştur. Kavurma işlemindeki sıcaklık ve süre parametreleri yanıt yüzey yöntemi kullanılarak optimize edilmiştir. Kavrulmuş örneklerin ΔE (toplam renk değişimi) ve su aktivitesi verilerine göre sıcak hava fritözünün optimum çalışma sıcaklığı ve süresi 181,1°C ve 36,7 dk olarak belirlenmiştir. Sıcak hava fritözünde kavurma neticesinde konvansiyonel kavurmaya göre yağ verimi %50’den %60’a çıkmıştır. En düşük peroksit değeri 1,69 meq O2/kg ile 180°C de 35 dk da sıcak hava fritözünde tespit edilmiştir. FTIR sonuçları da sıcak hava fritözü ile kavrulmuş susamların oksidasyona karşı daha dayanıklı olduğunu desteklemiştir. Sıcak hava fritözü ile 5 kat daha kısa sürede kavrulan susamların konvansiyonel kavurmaya göre asitlik değerleri ve yağ asidi kompozisyonları benzer bulunmuştur. HMF içeriğinde ise sağlık açısından riskli seviyede bir oluşum gözlenmemiştir.
显示更多 [+] 显示较少 [-]Sağlıklı Asma Fidanı Üretiminde Sıcak Su Uygulamaları 全文
2024
Zeki Kara | Mohammed Salah Mohammednoori Fakhar
Sağlıklı Asma Fidanı Üretiminde Sıcak Su Uygulamaları 全文
2024
Zeki Kara | Mohammed Salah Mohammednoori Fakhar
Asmalarda gövde hastalıkları (AGH) arasında, Esca sendromu (Phaeomoniella chlamydospora ve Phaeoacremonium oleophilum, Botryosphaeria spp., Eutypa lata, Phomopsis viticola, Cylindrocarpon spp.), Petri hastalığı (Phaeomoniella chlamydospora, Phaeoacremonium spp., Cadophora luteo-olivacea ve Pleurostoma richardsiae), Siyah ayak (Dactylonectria, Ilyonectria, Campylocarpon, Cylindrocladiella veya Neonectria), Botryosphaeriae dieback (Lasiodiplodia theobromae, Neofusicoccum parvum ve Botryosphaeria dothidea) Eutypa dieback, (Eutypa lata ve Diatrypaceae spp.) Phomopsis dieback, (Phomopsis viticola) yer almaktadır. AGH enfeksiyonları kısa veya uzun vadede asmaların ölümüne neden olur. Global ölçekte, bağcılığın sürdürülebilirliğini etkidiğinden ve tüm bağcı ülkelerde hızla yayıldığından, son otuz yıldır asmanın en yıkıcı hastalıkları olarak kabul edilmektedir. AGH’nın kontrolünde sıcak su uygulaması (SSU), tarım kimyasalları ve dezenfektanlar kullanılmaktadır. SSU′na genç asmalar, dinlenme halindeki aşı gözü veya anaç çelikleri, köklü veya aşılı köklü asma fidanları ve Vitis vinifera çeşitleri farklı düzeyde hassasiyet gösterebilirler. Bu hassasiyet çeliklerin veya fidanların büyüdüğü mevsim sıcaklıklarından etkilenebilir ve uygulanacak sıcaklık aralığı, kontrol edilecek patojenlere göre değişebilir. Asma çeliklerindeki AGH′nı baskılamak için çeşidine göre değişen aralıklarda SSU′ları (30-45 dakika süreyle 45-54°C) önerilmektedir. SSU, asma çoğaltma materyalleri ile taşınabilecek filoksera, nematod ve fitoplazma patojenleri için etkin bir kontrol yöntemidir. Kaliteli bir asma fidanı, sağlıklı, ismine doğru, iyi bir bitki formuna sahip, iyi kaynaşmış, virüsler ve patojenlerden arındırılmış, çevresel strese maruz kalmamış olmalıdır. Bu derlemede, asma çoğaltma materyallerinin patojenik bakteri, mantar, nematod, fitoplazma ve filoksera enfeksiyonlarının kontrolünde kullanılan SSU çalışmalarının bir özeti sunulmuştur.
显示更多 [+] 显示较少 [-]Analiza efektywności informacyjnej w formie słabej na rynkach „soft commodities” z wykorzystaniem wybranych testów statystycznych 全文
Górska, Anna | Krawiec, Monika
The Efficient Market Hypothesis received much attention in the late 1970s. Those early studies focused on examining the efficiency of stock markets, however since that time the researchers’ interest has shifted to commodity markets. The studies usually focus on the markets of oil and of agricultural products, mainly grains. The efficiency of soft commodities market is also examined but not to the same extent. Majority of investigations focus on single products of this category. Thus the aim of our paper is to extend the research and to analyze the weak-form efficiency of six soft commodities: coffee, cocoa, sugar, cotton, frozen concentrated orange juice and rubber. Data under consideration covers daily spot prices of the commodities in the period 2007-2016. Having calculated their logarithmic returns we perform the following statistical tests: runs test, autocorrelation test, Box-Pierce and Box-Ljung tests. As the results obtained are not homogenous, this opens a door to further investigations with the use of different methodology. / Synopsis. Hipoteza rynków efektywnych stała się przedmiotem zainteresowania naukowców pod koniec lat 70. XX wieku. Początkowo badania w tym zakresie koncentrowały się na rynkach akcji, lecz później zainteresowanie badaczy przeniosło się na rynki towarowe, przede wszystkim rynek ropy i rynek produktów rolnych, głównie zbóż. Efektywność rynków „soft commodities” także była przedmiotem badań, lecz w mniejszym stopniu, ponieważ większość z nich koncentrowała się na pojedynczych produktach. Stąd celem niniejszej pracy jest rozszerzenie badań i weryfikacja słabej formy efektywności dla sześciu towarów z grupy „soft commodities”: kawy, kakao, cukru, bawełny, mrożonego koncentratu soku pomarańczowego i kauczuku. Materiał empiryczny stanowią dzienne notowania tych towarów w latach 2007-2016. Po oszacowaniu logarytmicznych stóp zwrotu, przeprowadzono następujące testy statystyczne: test serii, test autokorelacji, testy Boxa-Pierce’a i Boxa- Ljunga. Otrzymane wyniki nie są jednoznaczne, co otwiera pole do dalszych badań z wykorzystaniem alternatywnej metodologii.
显示更多 [+] 显示较少 [-]Effect of Sorbitol Spraying on Chlorophyl, Total Phenolic and Flavonoid in Fragaria ananassa. Duch. cv. Albion Leaves 全文
2024
Beril Kocaman
Strawberry (Fragaria × ananassa Duch.) is one of the most widely consumed and cultivated fruits worldwide. Sorbitol plays a role in plant responses to many biotic and abiotic stresses. In this research, we intended to understand the effect of sorbitol spraying on the bioactive compounds of strawberry leaves. The application of sorbitol at different concentrations (0, 25, 50 mM and 75 mM) greatly improved strawberry characteristics such as total chlorophyll, chlorophyll a and b, carotenoids, and total phenolics. As sorbitol concentrations increased, chlorophyll a and chlorophyll b values increased in the samples taken during the fruiting period and higher values were obtained. The carotenoid content increased by approximately 189.49% and the total phenolic content increased by 30.85% in strawberry plants treated with sorbitol compared with the control. Supply of sorbitol decreased flavonoid content. The results indicate that sorbitol treatment has no inhibitory influence on the overall growth of strawberries. Among the biochemical parameters analyzed, chlorophyll, phenolic, and carotenoid contents increased, whereas flavonoid content decreased with sorbitol application.
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