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Investigation of The Antioxidant Activity of Cinnamon Bark Extracted with Different Solvents

The objective of this study was to evaluate the effect of methanol, ethyl acetate, and hexane for the extraction of cinnamon bark (Cinnamomum burmanni) (CB) on the contents of the total phenolic, total flavonoid and its 1,1,-diphonyl-1-picryl-hydrazyl (DPPH) radical scavenging activity. CB samples were ground with grinder machine in one mm sieve and extracted with treatments to determine parameter measured. All CB samples were extracted using different treatments. Parameter measured were total phenolic, total flavonoid and DPPH. CB was ground and extracted by using three treatments, data collected was statistical analysis and followed with Duncant Test, The highest total phenolic content found when CB extracted with methanol with the value of 111.43 mg gallic acids equivalent (GAE)/g DW while the lowest amount detected in hexane with the amount of 57.23 mg GAE/g dry weight (DW). It was significantly different (P<0.05) from those extracted with ethyl acetate and hexane. There was significant (P<0.05) different for the content of flavonoid among all treatment groups. Methanol was the highest solvent and hexane was the lowest with the amount of 286.27 and 64.73 mg rutin equivalent (RE)/g DW respectively. There was significantly different (P<0.05) for scavenging activity among all treatment. Using methanol in extracting CB showed the highest scavenging activity of 69.59 % among all other treatment groups. It could be concluded that Methanol was the best solution in extracting CB

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The Effect of Replacing Fish Flour with Processed Shrimp Waste Flour Through Various Processes on Performance Broiler

This study aims to determine the ability of shrimp waste processing with several combinations of processing such as soaking using husk ash water filtrate, steaming and fermentation using the Trichoderma viridae fungus, as well as to determine the optimal level and level of using processed shrimp flour to replace fish meal in broiler chicken rations. . The study was conducted experimentally using a completely randomized design method consisting of 5 treatments and 4 replications. The treatment given was replacing fish meal with processed shrimp waste flour which consisted of P0 = 0% processed shrimp waste flour, P1 = 25% processed shrimp waste flour, P2 = 50% processed shrimp waste flour, P3 = 75% processed shrimp waste flour. and R4 100% processed shrimp waste flour. The data obtained were tabulated using the Microsoft Excel program, then analyzed using analysis of variance (ANOVA), if there were differences, then the Multiple Distance Test (Duncan's). The observed variables consisted of changes in the nutritional content of shrimp waste before and after processing, feed consumption, body weight gain and feed conversion in broiler chickens. The results of this study indicate a decrease in the nutritional content of processed shrimp waste. The replacement of fish meal with processed shrimp waste in broiler chicken rations had a very significant effect (P<0.01) on consumption and body weight gain, but had no effect (P>0.05) on feed conversion value. Based on the results of the study, it can be concluded that the processing of shrimp waste through several processes has not been able to improve the nutritional content of shrimp waste. The use of processed shrimp waste flour can be used up to 50% level as a substitute for fish meal in broiler chicken rations. Suggestions that can be given are the length of processing time from shrimp waste can be reduced in order to minimize factors that can damage or reduce the nutrition of shrimp waste.
 
 Keywords: Shrimp Waste, Trichoderma viride, Fermentation, Broiler, Performance

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Fat Content and Organoleptic Value of Broiler Eggs Soaked in Bay Leaf Infusion (Eugenia polyantha))

Chicken eggs are animal foods that are consumed by many people because they are cheaper and easier to obtain than other animal foods. Bay leaf is known to the public as one of the most popular kitchen spices not only because of its many health benefits, but also because of its attractive organoleptic quality (aroma). Eggs soaked in bay leaf infusion are also expected to produce attractive organoleptic qualities without affecting their chemical quality (fat content).
 The research design used was a 4 x 4 factorial randomized block design (RAK) with 4 replications. Factor I is the concentration of bay leaf infusion (4 concentrations) and factor II is the immersion time (4 times). Parameters observed included chemical quality (fat content) and organoleptic quality (color, aroma, texture, taste). The data were analyzed by means of variance and if it had a significant effect, it was continued with the Duncan's Distance Test.
 All treatments have not been able to significantly affect the fat content of eggs. The quality value produced is still in the range of fresh egg quality. The longer the immersion the lower the organoleptic value. This research still needs to be developed so that the egg quality is increasing, especially the organoleptic quality.
 Keywords: broiler eggs, bay leaf infusion, soaking time, fat content, and value organoleptic.

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Pengaruh Kepadatan Kandang dan Kebersihan terhadap Tingkat Infeksi Koksidiosis Kelinci di Kecamatan Kembaran Kabupaten Banyumas

The study aims to determine the effect of cage density and cleanliness on the incidence of coccidiosis as well as to determine the level of coccidiosis infection in Kembaran District, Banyumas Regency. The targets of the research were rabbits raised by rabbit breeders in Kembaran District, Banyumas Regency. Rabbits used consisted of various species and ages by taking into account several criteria of cage density and cleanliness. The research method used was direct observation (survey) with a purposive sampling technique. Samples as many as 90 samples were taken, with each sample consisted of 3 grams of feces. The analysis used is descriptive analysis and Chi Square. The results of the analysis showed that there was an influence between cage density variables on coccidiosis (P<0.05) with X2count>X2table (7.57>3.841) and the influence between cleanliness variables on coccidiosis (P<0.05) with X2count>X2table (35.73>5.991). The total infection rate of rabbit coccidiosis in Kembaran District was 90 %. The rate of coccidiosis infection is non-pathogenic at 46.67 % and pathogenic at 53.33 %. The highest rate of coccidiosis infection was in Karang Tengah Village (40 %), while the lowest coccidiosis infection rate was in Sambeng Kulon Village (16.67 %).

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