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PENGARUH PENGOLAHAN BUAH MANGGA MANALAGI SEGAR (Mangifera indica L.) MENJADI MANISAN MANGGA KERING TERHADAP KADAR VITAMIN C
Get PDFManalagi mango fruit (Mangifera indica L) is one of fruits containing lots of vitamin C and it can be processed into mango dried candied. This research is aimed to determine the levels of vitamin C in the mango dried candied that is sold in modern markets in Palembang and to contribute about biology subject at senior high school / madrasah aliyah. The methods of this study is the idiometri test. This study uses the form control manalagi fresh mango fruit. Samples are taken from several modern market in Palembang city by using simple random sampling method. The result of the test iodimetri along with qualitative test on sample 4 and 6 do not contain vitamin C, while in sample 1, 2, 3, and 5 contain vitamin C which is an average of the levels of vitamin C in the sample 1 of 4.78 mg / 100 gr, 2 sample of 3.66 mg / 100 g, 3 sample of 2.64 mg / 100 g, 5 sample of 5.22 mg / 100 g. This shows manalagi fresh mango fruit is processed into dried candied still have high levels of vitamin C which is quite high when compared to the levels of vitamin C in control in the amount of 3.08 mg / 100 g. Contributing to education that is presented in the form of lesson plans, worksheets and posters. The contribute of biology subject to the education is presented in the form of lesson plans, worksheets and poster
UJI KANDUNGAN BORAKS PADA PEMPEK LENJER YANG DIJUAL DI KELURAHAN PAHLAWAN
Get PDFPempek is processing product of fish meat and tapioca flour. Pempek has a low shelf life because the process of making it that is boiled first, it makes pempek easy to be slimy. It is one of the reason why the Pempek seller uses dangerous preservative such as borax. The purpose of this research is to know whether Pempek Lenjer that is sold in Pahlawan Palembang Village contains borax or not, and contribution in the form of student worksheet (LKS) and poster. This research uses organoleptic test, then color test by using tumerik paper to know the existence of borax in Pempek Lenjer at sold in Pahlawan, Kilometer 3,5, Palembang City, South Sumatera, Indonesia. Date research on 17-24st June 2015. In this research, organoleptic test indicates that there is no Pempek Lenjer that has a characteristic containing borax, on the colour test all sampels lenjer pempek doesn’t contain borax, because it does not change color on paper tumerik that has dripped samples, performed three, and it is done validation in the student worksheet (LKS) with 5 validators from 3 schools and the result of validation of the student worksheet (LKS) from 5 validators is vali
AKTIVITAS ANTIFUNGI EKSTRAK DAUN KEMANGI (Ocimum americanum L.) TERHADAP FUNGI Fusarium oxysporum Schlecht
Get PDFFusarium oxysporum Schlecht. a parasitic fungus that cause leaf wilt disease in plants. Meanwhile, basil (Ocimum americanum L.) is a plant that contains of the active compound in the form of phenols which have antifungal activity. This study aimed to test whether the extract of leaves of basil have antifungal activity againts Fusarium oxysporum Schlecht. and determine the optimum concentration to inhibit the growth of the fungus Fusarium oxysporum Schlecht. Antifungal test is done by using paper disc diffusion method. The study design used was a completely randomized design with 4 treatments and 6 replications. The treatment is K0 (0% w/v), K1 (5% w/v), K2 (10% w/v), and K3 (15% w/v). The results showed that the leaf extract of basil have antifungal activity against Fusarium oxysporum Schlecht. Inhibition zone on K0, K1, K2, and K3 are each 0,0 mm, 1,49 mm, 2,46 mm, and 2,01 mm. The optimum concentration of antifungal activity of extract of basil, namely the K2 concentration (10% w/v). Based on analysis of variance (ANOVA), the concentration of basil leaf extract provides significant differences (p > 0,05) on fungus Fusarium oxysporum Schlecht., where Fcount > Ftable is 4,5 > 3,1
PERBANDINGAN HASIL BELAJAR MENGGUNAKAN MODEL PEMBELAJARAN KOOPERATIF TIPETWO STAY TWOSTRAY (TSTS) DENGAN DEMONSTRASIUNTUK MENINGKATKAN HASIL BELAJARBIOLOGI SISWA KELAS VII SMPADABIYAHPALEMBANG
Get PDFThe result comparison of Biology student by using cooperative learning type Two Stay Two Stray with Demonstration method (an experiment in Junior High Scool of Adabiyah Palembang. The purpose of this research is to find out the result of comparison between the students that learn by cooperative learning typeTwo Stay Two Stray with Demonstration method. This research was done in junior high scool of Adabiyah Palembang in VII.1 grade which consists of 35 students. The data of learning results was taken by using the test instrument of learning result (24 item) and the observation sheets of the implemention of the t-test with 5% significant percentage. It can be seen fron the result of the posttest, t count table (2,96> 2,00). It means Ho rejected and Ha is accepted. So it can be concluded that there is a difference between the Biology learning result of student who has been taught with the cooperative learning approach type Two Stay Two Stray and the Demonstration method with the mean from learning Two Stay Two Stray are 76,00 mean while, in the Demonstration method is only 65,43 so the result of the class which uses Two Stay Two Stray learning method is better than Demonstration method
PENGARUH PENGGUNAAN MEDIA PEMBELAJARAN TORSO TERHADAP HASIL BELAJAR SISWA PADA MATERI SISTEM PENCERNAAN PADA MANUSIA DI SMP NEGERI 19 PALEMBANG
Get PDFThe problem of education and teaching is a fairly complex problem in which many factors that come into effect. One of these factors include instructional media. Phenomena that occur in the field in teaching and learning activities are still centered on the teacher, student activities monotonous, many students receive the teacher\u27s explanation, and student learning outcomes obtained unfavorable. The problem in this research is how to use instructional media torso toward student learning outcomes and whether there is influence learning media usage torso toward student learning outcomes. On the subject of human digestive system in SMP Negeri 19 Palembang held on July 27, 2015 until August 14, 2015. The purpose of the study is to examine the use of learning media torso toward student learning outcomes on the material in the human digestive system in SMP Negeri 19 Palembang , which includes planning, implementation, and evaluation, as well as to determine the effect of the use of learning media torso toward student learning outcomes on the material in the human digestive system in SMP Negeri 19 Palembang. The method in this research is quantitative experiments using t-test analysis. Posttest value analysis results obtained thitung price > ttable or 3.193 > 2.66. This indicate that the rejected Ha Ho accepted that hypothesis states that "There is the influence of the use of learning media torso toward student learning outcomes on the material in the human digestive system in SMP Negeri 19 Palemban
PENGARUH PEMBERIAN PUPUK ORGANIK CAIR DAUN GAMAL (Gliricidia sepium (Jacq.) Kunth ex Walp.) TERHADAP PERTUMBUHAN TANAMAN SAWI (Brassica juncea L.)
Get PDFGamal (Gliricidia sepium (Jacq.) Kunth ex Walp.) is a plant leguminoceae class. So far, only gliricidia plants used as feed for ruminants, even though this plant has the potential as a source of nutrients for plants when used as an organic fertilizer. This study aims to determine the effect of Gliricidia leaves liquid organic fertilizer on plant growth mustard and determine the concentration of gliricidia leaves liquid organic fertilizer optimally to enhance the growth of mustard. This research was conducted at the Biology Laboratory of Biology education studies program teacher training and Tarbiyah Faculty UIN Raden Fatah Palembang from May to June 2015, while for the analysis of gliricidia leaves liquid organic fertilizer held in the Research and Standardization Industry Palembang. This study uses a completely randomized design (RAL) with 4 treatments and 3 replications. Such treatment is 0 (K0), 40 (K1), 80 (K2), and 120 (K3) ml/l of water. The analysis showed that in the gliricidia leaves liquid organic fertilizer contained 0.24% N, 0.039% P, 8.38% K, 12.4% C-organic. Parameters measured were plant height, number of leaves, and leaf width. The research showed that the gliricidia leaves liquid organic fertilizer a significant influence on the growth of mustard. The concentration of 120 ml/l of water provide optimum influence on the growth of mustar
PENGARUH JENIS PAKAN USUS AYAM DAN AMPAS TAHU TERHADAP PERTUMBUHAN LELE DUMBO (Clarias gariepinus)
Get PDFFish as a source of animal protein has several advantages over other animal protein sources, one source of animal protein that is Dumbo catfish. Dumbo catfish fish including fish which is most easily accepted by society. This study aimed to determine the effect of feeding on African catfish (Clarias gariepinus) using chicken intestine and tofu on the growth of catfish. This study was conducted on August 24, 2015 until 24 September 2015. The parameters observed in this study were weight and length. The study was conducted using a randomized block design (RAK) with 4 treatments and 4 groups: feeding by comparing the administration of fish feed manufactured in the form of pellets 100% (control), feed chicken intestines 100%, the feed pulp out of 100%, and chicken intestine feed pulp 50% + 50% Fish test with a weight of 20 grams and 12 cm. With other factors such as pH and temperature equated water. Feeding 2 times a day for 30 days of maintenance. The results showed that there was significant difference between the treatment given to the growth of the weight and length of catfish, feed A1 (chicken intestine 100%) gave the best growth of the African catfish and significantly different from other treatments (P <0.05). Absolute growth of 39.1 grams with a length of 31,2 c
PENGARUH KADAR THIAMINE (VITAMIN B1) TERHADAP PERTUMBUHAN JAMUR TIRAM PUTIH (Pleurotus ostreatus)
Get PDFIndonesia is one of the centers of biodiversity in particular areas of food, which one of them is from a species of white oyster mushroom (Pleurotus ostreatus). To improve the effectiveness and efficiency of production time associated with fulfilling the request of the oyster mushroom (Pleurotus ostreatus) is high in the market, the utilization of thiamine (vitamin B1) need to be investigated. This study aims to determine the levels of thiamine (vitamin B1), which is best used in the growth of oyster mushroom (Pleurotus ostreatus). This study used quantitative experiments and research design complete randomized design with four treatments and six times as many repetitions as well as research along with the observations made on 21 June to 11 July 2015 (in 20 days) in the House of White Oyster Mushroom Production Nurseries, Ogan Komering Ulu Timur (OKUT). As for the levels of thiamine (vitamin B1) used in this study use the unit ppm (parts per million), namely: B0 (control), B1 (0.1 ppm), B2 (0.2 ppm), B3 (0.3 ppm). Parameters measured were the growth of oyster mushroom (Pleurotus ostreatus) which include emerging buds time (day), the time of harvest (days), weight (grams), wide hood (cm), and stem length (cm). Conclusions from the study and based on data analysis (ANOVA) and F test showed that administration of thiamine (vitamin B1) does not provide an effective influence on the growth of oyster mushroom (Pleurotus ostreatus).
PENGARUH EKSTRAK BATANG BROTOWALI (Tinospora crispa) TERHADAP KEMATIAN LARVA NYAMUK Aedes aegypti
Get PDFAedes aegypti mosquito, which acts as a vector in the spread of dengue disease. One of the effort to reduce thespread of dengue disease is using larvicides. Brotowali thought to have an effect as larvicides against Aedesaegypti larvae because they have the alkaloid compounds and tinokrisposid that can cause death in larvae. Thisstudy aims to determine the effect extract brotowali (Tinospora crispa) against Aedes aegypti larvae of death soas to provide information to the public that can be used as larvicidal brotowali. This research is an experimentwith a completely randomized design (CRD) with 4 treatments and 6 replicates. The samples used were thirdinstar larvae of Aedes aegypti with the treatment A0 (abate 500 ppm), A1 (500 ppm), A2 (750 ppm), and A3(1000 ppm). Observations dead larvae were carried out for 24 hours and 48 hours. The results showed thatwithin 24 hours at a concentration of 500 ppm on average larvae death reached 32.5%, the concentration of 750ppm 55.8%, a concentration of 1000 ppm to 70%, whereas within 48 hours at a concentration of 500 ppm onaverage larvae death reached 75%, 90.8% concentration of 750 ppm, a concentration of 1000 ppm to 100%.Based on analysis of variance (Ansira) showed that the extract brotowali (Tinospora crispa) gives a significantinfluence (p > 0.01) in the death of larvae of Aedes aegyti. Effective concentration to kill larvae of Aedes aegytinamely the concentration of 750 ppm
UJI KADAR ALKOHOL PADA TAPAI KETAN PUTIH DAN SINGKONG MELALUI FERMENTASI DENGAN DOSIS RAGI YANG BERBEDA
Get PDFAlcohol is widely used in industry, such as a solvent, as a synthesis in the chemical industry and at the present time alcohol is also used to fuel cars. This study aims to determine the differences in the level of alcohol contained in Tapai white sticky rice and cassava with different doses of yeast. This research was conducted in the laboratory of Chemical Biology Education Studies Program Faculty of Tarbiyah and Teaching UIN Raden Fatah Palembang in August 2015. The method used in this study is the experimental method using a completely randomized factorial design consisting of two factors, namely the type of fermentation ingredients: (Tapai white sticky rice and cassava) and a dose of yeast (0.5%, 1% and 1.5%) with four replications. Data were analyzed by ANOVA followed by two lines and test Beda Distance Real Duncan (BJND) at the level of 1%. Based on the results of the analysis showed that the alcohol content of the type of material the value of F count = 82.14> F table = 8.29 and yeast dose of F count = 812.14> F table = 6.01. From the results of this study concluded that: 1) There is a very real difference to the alcoholic content of fermented glutinous white Tapai and cassava. 2) There is a very real effect of different doses of yeast against alcohol content