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Quantitative Analysis of Phenolic Compounds and Mineral Contents of Rosa canina L. Waste Seeds
2021
Kadriye Özlem Saygı
Natural products play an important role in medicine. They have been used extensively in folk medicine to treat various illnesses. In this work, quantitative analysis of phenolic compounds in methanol, acetonitrile and dichloromethane extracts of Rosa canina L. waste seeds were investigated by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) LC-MS/MS. Mineral analysis of R. canina seeds was determined by inductively coupled plasma–atomic emission spectrometry (ICP-OES). Fe, Mn, K and Zn were found as chief elements. Quantitative analysis revealed that catechin was the major flavonoid in all extracts. This work offers a viewpoint for recycling the R. canina waste seeds into the economy due to their bioactive content.
Показать больше [+] Меньше [-]The Role and Impacts of Growth Hormones in Maximizing Animal Production- A review
2021
Duguma Dibbisa Itana | Ararsa Duguma
The purpose of the study is to examine the role and impacts of growth hormone in maximizing animal products. Growth hormones are biological stimulants that are found either naturally in the organism or synthetically manufactured. Phytoestrogens, phytoprogestrons and Phenolic compounds are hormones from plants. Drugs from of placenta and colostrums of cow`s contain progesterone, estrogene, gonadotropin, and prostaglandins hormones. Growth hormones have got popular applications in dairy, beef, feed improvement and Biopharmaceutical productions with the aim of producing valuable products: fat free meat (Porcine Somatotropin hormone in pigs), nutritionally and medicinally reach milk (Bovine Somatotropin hormone in cattle), palatable and disease and insect pest resistant forage crop production. They have got also contribution in maximizing livestock production by involving in adjusting animals’ reproductive process such as oestrus synchronization and superovulation mainly during artificial insemination and embryo transfer. Controversially, these hormones have wide impacts on human being, animal welfare, environment and etc. Contamination of ground water by hormones that are found in the animals` excreta will cause deleterious effects such as cancer, loss of fertility, and some imbalance of minerals in the water and soil.
Показать больше [+] Меньше [-]Fig Vinegar as an Antioxidant and Antimicrobial Agent
2021
Gülden Kılıç | İlkin Yücel Şengün
Fig vinegar is a special product which has a long history and is handed down from generation to generation. In the current study, characteristics of homemade fig vinegars supplied from different cities of Turkey were compared in terms of their physicochemical, antioxidant and antimicrobial properties. Physicochemical properties of the samples were very diverse. Total phenolic and flavonoid content, and ABTS+ and DPPH radical scavenging activities of the samples were ranged from 313.5 to 594.25 mg GAE/L and 42.52-132.42 mg catechin/L, and 0.44-3.98 µg TE/mL and 1.25-7.51 µg TE/mL, respectively. The antioxidant activity of vinegars is highly correlated with their phenolic and flavonoid contents. Furthermore, vinegar samples exhibited inhibitive effect on all test microorganisms and the minimum inhibition concentration values were ranged between 0.39 and 25% (v/v). These results indicated the distinct properties of homemade fig vinegars and the potential of them as antimicrobial and antioxidant substances.
Показать больше [+] Меньше [-]Post-Harvest Loss and Grain Storage Technology- A Review
2021
Bayode Julius Olorunfemi | Sunday Emmanuel Kayode
The aim of this write up is to explore technological developments in the area of post-harvest grain storage techniques. Post-harvest losses occur between harvest and the moment of human consumption. They include on-farm losses, such as when grain is threshed, winnowed, and dried, as well as losses along the chain during transportation, storage, and processing. Use of traditional grain storage facilities such as cribs, improved rhombus, and brick bins are ineffective against mold and insects already present in the grain before storage. While plastic bins reduce insect pests’ infestation, Purdue Improved crop storage bags and wooden silo were proved to be a viable management tool for preventing aflatoxin accumulation in storage and moisture migration. The metal silo still remains an effective grain storage technology for reducing post-harvest insect and pathogen losses if the challenges of moisture and temperature can be adequately managed. An effective grain storage technology would be the ones that can sustain quality of grain stored for a long period (≥5 years), durable, cost-effective, and be managed scientifically, possibly by computer-aided grain management system.
Показать больше [+] Меньше [-]Determination of some Quality Characteristics in Chickpea (Cicer arietinum L.) Genotypes and Relationships between Characteristics
2021
Sinem Tuğçe Cin | Nurdoğan Topal
Chickpea (Cicer arietinum L.) is one of the important plants in terms of nutrition. The yield and quality studies on chickpea, which has the highest production value among edible grain legumes, continue at full stem in our country. When it comes to quality, certain consumer expectations such as protein content, cooking time and seed coat ratio dominate the quality improvement. This study was conducted according to the experimental designs of randomized blocks under the Faculty of Agriculture and Natural Sciences, Uşak University and the laboratory conditions of Faculty of Agriculture, Ondokuz Mayıs University. In this study, a total of 30 chickpea genotypes were used, 13 of them have different varieties. Cooking Time (min), Water Absorption Index (%), Seed Coat Rate (%), Protein Rate (%) and Amylose Rate (%) values of the genotypes have been obtained. The statistically significant differences have been detected between the genotypes in terms of all parameters examined in the variance analysis conducted as a result of this study. Similarly, the result of this study has revealed the correlation between the properties. This study was obtained from a part of the master’s thesis.
Показать больше [+] Меньше [-]Antioxidants and Mineral Contents of Chicory as Coffee Additive
2021
Uğur Başaran | Erdem Gülümser | Cennet Yaman | Medine Çopur Doğrusöz | Hanife Mut
In this study, roots of Turkish origin wild chicory (Cichorium intybus L.) genotypes were investigated for total flavonoid and phenolic contents, radical cation scavenging activity (ABTS), Free radical scavenging activity (DPPH), and radical, mineral content. These characteristics were also compared with other coffee varieties. The total flavonoid and phenolic contents ranged between 0.290-4.350 mg QE/g dry weight (DW) and 0.943-13.860 mg GAE/g DW. The DPPH was listed here from high to low value: raw coffee beans = roasted coffee beans > roasted fruits of turpentine tree > instant coffee = roots of chicory. The content of P, Ca, Mg, Zn, B, Cr, Co and Mo ranged between 0.71-2.78%, 0.25-0.46%, 7.29-20.66, 4.44-11.07, 0.40-1.67, 0.49-5.48 and 5.69-14.46 ppm, respectively. As a result, chicory roots exhibited low antioxidant activity, but higher mineral content compared to the other tested coffee varieties which indicates that chicory could be used a coffee additive.
Показать больше [+] Меньше [-]A model for determining the interactions between some honey bee (Apis mellifera L.) genotypes and different grooming times in terms of aggression
2021
Samet Hasan Abacı | Selim Bıyık
In honey bee (Apis mellifera L.), aggression and aggressive behavior occur due to many reasons and the most important one is the genotype. However, regardless of genotype, a bee colony can have different levels of aggression at different times. If the bee’s aggression is not due to racial characteristics, this may indicate some problems in the colony. One of the most important reasons is the absence of queen bees in the colony, and the other is that the amount of nutrients in the hive has decreased to a critical level. Some other environmental effects are effective on bees’ aggression and aggressive behavior. In this study, the determination of the relationships between the aggression of four different honey bee genotypes (Carniolan, Caucasian, Black Sea and Muğla) in Samsun province in two different months (July, August) at different times of the day (09:00-13:00-17:00) was intended. For this purpose, a Log-linear model analysis was made. According to the findings, genotype, month and time, which are the main effects, and genotype × month interaction among the second-order interactions were found to be statistically significant, while genotype * hour and month × hour interactions were not significant. In Samsun province, it was determined that the Carniolan genotype was 7.846 times less, the Caucasian genotype 3.991 times and the Black Sea genotype 3.888 times less aggressive than the Muğla genotype. In addition, it was determined that the aggression in July was 1.185 times less than in August, and they were less aggressive in the daytime than in the evening and morning hours. It was determined that the Carniolan genotype was 2.04 times less aggressive than the Muğla genotype in July. Before and after the nectar flow seasons, studies to determine the aggression for all genotypes suitable for the regions will be a good source of information for beekeepers and researchers.
Показать больше [+] Меньше [-]Karyotypical Identification of Some Important Alfalfa (Medicago sativa L.) Lines in Turkey
2021
Uğur Özkan | Berk Benlioğlu
Chromosome line and characterization of nine Turkish alfalfa (Medicago sativa L.) lines were investigated using karyological techniques in this study. Root tips were obtained from germinated alfalfa seeds in petri dishes at room temperature (25°C) for visualizing somatic chromosomes. The chromosome numbers of nine alfalfa lines were determined as 2n=4x=32. The karyotype formula of 2n=32= 30m+ 2sm (30 median + 2 submedian) were noted for Line 1, 2and 3. Whereas, Line 4, 6, 8, 9 showed the karyotype formula of 2n=32=32m (32 median). The karyotype formula of Line 5 and 7 were 2n=32=28m+4sm (28 median + 4 submedian). Satellite chromosome pairs were observed from Line 5. The results of the karyotype asymmetry index analysis showed that intrachromosomal asymmetry is higher than interchromosomal asymmetry in the karyotypes of alfalfa lines.
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