Penggunaan Bap Dan Tdz Untuk Perbanyakan Tanaman Gaharu (Aquilaria Malaccensis Lamk.)

Agarwood (A. malaccensis Lamk.) is one of the important tropical forest trees, which produces a high economically valuable fragrant resinous wood. The increase of agarwood demand from year to year leads to uncontrolled illegal harvest of this plant from its natural habitat. To encounter this problem, there is an urgent need to develop agarwood plantation. Tissue culture is an alternative method to provide genetically good seedlings for plantation in the future due to its short period and mass quantity of planlet production. In addition, through this method, its might also provide homogenous plant, and free pest and diseases. The objectives of the study were (1) to find out the optimal concentration of BAP or TDZ for inducing shoot multiplication of agarwood in in vitro conditions. MS (Murashige And Skoog, 1962), was used as basal media. The experimental design of the research was completely randomized design (RAL) with treatment of BAP concentration ( control; 0,50 ppm; 0,75 ppm; 1,0 ppm) or TDZ concentration (control; 0,25 ppm; 0,50 ppm; 0,75 ppm), in 3 units, of replicate every units consist of 4 bottles, every bottle containing one explants coming from axillaries and adventitious shoot explants. Results indicated that two types of agarwood explants grown in vitro in MS basal media containing BAP 0,50 ppm or TDZ 0,25 ppm produced the highest number of shoots and leaves of agarwood plantlets, as well as its plantlet shoot length

Penggunaan Bap Dan Tdz Untuk Perbanyakan Tanaman Gaharu (Aquilaria Malaccensis Lamk.) (the Use of Bap and Tdz for Propagation of Agarwood (Aquilaria Malaccensis Lamk.))

Agarwood (A. malaccensis Lamk.) is one of the important tropical forest trees, which produces a high economically valuable fragrant resinous wood. The increase of agarwood demand from year to year leads to uncontrolled illegal harvest of this plant from its natural habitat. To encounter this problem, there is an urgent need to develop agarwood plantation. Tissue culture is an alternative method to provide genetically good seedlings for plantation in the future due to its short period and mass quantity of planlet production. In addition, through this method, its might also provide homogenous plant, and free pest and diseases. The objectives of the study were (1) to find out the optimal concentration of BAP or TDZ for inducing shoot multiplication of agarwood in in vitro conditions. MS (Murashige And Skoog, 1962), was used as basal media. The experimental design of the research was completely randomized design (RAL) with treatment of BAP concentration (control; 0,50 ppm; 0,75 ppm; 1,0 ppm) or TDZ concentration (control; 0,25 ppm; 0,50 ppm; 0,75 ppm), in 3 units, of replicate every units consist of 4 bottles, every bottle containing one explants coming from axillaries and adventitious shoot explants. Results indicated that two types of agarwood explants grown in vitro in MS basal media containing BAP 0,50 ppm or TDZ 0,25 ppm produced the highest number of shoots and leaves of agarwood plantlets, as well as its plantlet shoot length

Pengujian Pupuk Tulang Ayam sebagai Bahan Ameliorasi terhadap Pertumbuhan Tanaman Sorghum dan Sifat- Sifat Kimia Tanah Podzolik Merah Kuning Pekanbaru

Pemilihan tulang ayam sebagai bahan dasar pembuatan pupuk karenakandungan kalsium dan magnesium pada tulang ayam tersebut merupakan unsurhara makro yang mutlak dibutuhkan tanaman dalam jumlah banyak. Denganpemberian pupuk tulang ayam tersebut maka unsur kalsium dan magnesium dalamtanah dapat di suplay dan juga diharapkan dapat meningkatkan pH tanah.Tujuan dari penelitian ini adalah untuk menguji tulang ayam sebagai bahan ameliorasi terhadappertumbuhan tanaman sorghum serta sifat -sifat kimia tanah PMK (Podzolik MerahKuning) Pekanbaru Percobaan lapangan dilakukan secara eksperimen dengan Rancangan AcakLengkap (RAL) non faktorial dengan perlakuan pupuk tulang ayam. Data dianalisis dengan menggunakan uji t. Pengamatan dilakukan terhadap tinggi tanaman padaakhir penelitian dan sifat-sifat kimia tanah PMK. Hasil analisa menunjukkanterjadinya peningkatan hasil pertumbuhan tanaman sorghum

Optimization of Gluten Free Bread Formulation by Adding Xanthan Gum, Potato Starch and Sorbitol Using Response Surface Methodology

Gluten is a major component of some cereal and bakery product. Gluten can cause intestinal absorption problem especially to people who have celiac diseases. The aim of this research was to optimize a formulation of gluten free bread (GFB) based on rice flour. The target is to achieve high in volume and weight, but has minimum firmness value. A response surface methodology was used to analyze the amount of xanthan gum, potato starch and sorbitol based on physical properties of GFB.A Box-Behnken design with three independent variables and three levels was used to develop models for the different responses.The optimal formulation was 1.5g/100g xanthan gum, 40g/100g potato starch and 4.1/100g sorbitol, in rice flour basis. Three of breads were baked at the same time at optimum condition to validate the model. The optimize bread was found to be the best ranking of overall acceptance based on hedonic scale compared to the control bread at significant level p≤ 0.05, according to sensory evaluation. The results are useful in understanding the limitations amount of xanthan gum, potato starch, and sorbitol in order to produce a better quality of GFB

Acute Toxicity Water Extract of Meretrix Meretrix Linnaeus in Vivo on Sprague Dawley Rats

Meretrix meretrix empirically has been widely believed by the public to a wide variety of health benefits. It is necessary to do an analysis of the level of toxicity of Meretrix meretrix extract. The experiment was carried out extraction sample with water (1;4) (w/v), analysis of acute toxicity Meretrix meretrix extract with the OECD method 403:2009. Based on the results of water extract of Meretrix meretrix no effect on physical observations of test animals with LD50> 15 g/kg BW. Histopathological observation on the liver and kidneys, there is necrosis of the liver cells and some cell degeneration in the kidneys, but on the whole network under normal conditions appropriate control grou

Experimental hydrodynamic analysis of trimaran-pentamaran with variation transom non-transom on mainhull and sidehull

One of the most essential aspects of ship is its resistance. There much have been done researches to analyze the reduction of resistance in order to get a good performance; yet the multihull is still one of interesting researches to get the rightest configuration, as to produce minimum resistance. This research is experimental study to obtain the lowest resistance with configuration consisting of stagger, clearance and trim of pentamaran. The pentamaran are performing as a trimaran formation by using Wigley hull with combinations transom on main hull and non-transom on side hulls. Its purpose is also to determine the destructive effects caused by wave interference. The research test conducted on stagger (a ratio of distance of stern main hull to stern side hull to main hull length)-positioning variations of 0.35 and 0.4. As for clearance (a ration of distance centerline of main hull to centerline of side hull to main hull width)-positioning variations, they exceed 1.05; 1.20; 1.35; and 1.50. The trim variations researched are 0°; 0.5 °; and 1.0 °. The result of this study was presented by tables and graphs of resistance components of side hull on stagger-clearance and trim condition

Formulation and Evaluation of a New Biodegradable Periodontal Chip Containing Thymoquinone in a Chitosan Base for the Management of Chronic Periodontitis

Objective. This study was performed to develop a biodegradable periodontal chip containing thymoquinone and to evaluate its effectiveness for managing chronic periodontitis. Methods. Chips were formulated from thymoquinone and chitosan. Twelve patients with periodontal pockets measuring ≥5 mm participated in this study. Overall, 180 periodontal pockets were evaluated. At day zero, all patients were treated with full-mouth scaling and root planning. Periodontal pockets were divided into three groups. Group one served as the control group, while group two received plain chitosan chips. Group three received chips containing thymoquinone. Plaque index, bleeding upon probing, periodontal probing pocket depths, and clinical attachment levels were recorded at days 0 and 60. Results. The statistical significance of differences was tested with a paired sample t-test, a Chi-squared test, and a one-way ANOVA. The results indicated significant improvement in plaque index and bleeding upon probing and a reduction in periodontal pockets from baseline in all four groups ( < 0.05). Gains in clinical attachment levels were significantly higher ( < 0.005) in the group receiving thymoquinone chips compared to other groups. Conclusion. Periodontal chips containing thymoquinone can be used as adjuncts for the treatment of patients with chronic periodontitis