scholarly journals DAMPAK PEMBERIAN TEPUNG ECENG GONDOK (Eichhornia crassipes) DALAM PAKAN BUATAN BAGI PERUBAHAN WARNA DAN KELANGSUNGAN HIDUP IKAN MAS KOKI (Carassius auratus)

2017 ◽  
Vol 2 (2) ◽  
pp. 72
Author(s):  
Syahrizal Syahrizal ◽  
Muarofah Ghofur ◽  
Ardi Aljumrada
Keyword(s):  
Water Hyacinth ◽  
Carassius Auratus ◽  
Eichhornia Crassipes ◽  
Fish Community ◽  
Color Change ◽  
Genetic Material ◽  
Ornamental Fish ◽  
Color Changes ◽  
Color Quality

Efforts to improve the quality of ornamental fish other than manipulate its genetic material we can add supplements at pakannya containing pigments or dyes, so that it can increase the brilliance of the color quality of ornamental fish. One type of fish community of interest is a carp of the chef because of the prominence of the shape and colour of its body. The method of research done using Random Design is complete with 3 replicates IE A = without adding flour water hyacinth (control), B = addition of flour water hyacinth 100 g/Kg Feed, C = Artificial addition of flour 200 hyacinth g/Kg Feed Artificial and D = addition of flour water hyacinth 300 g/Kg Feed. From the results of research that has been done is obtained that addition of carotenoids that are derived from the flour water hyacinth (Eichhornia crassipes) on artificial feed gives influence on color change and the growth of Goldfish chef. Color change obtained for each treatment is A Treatment: 0.41, 1.18, B: C: and D: 1.34 1.65. The highest color changes occur in the treatment of D of 1.65. The absolute weights of the CARP growth chef every treatment is A: 29.31, B: 30.10, C: and D: 28.64 28.07 and highest in treatment B of 30.10 grams and the survival rate of 100%.Keywords : Water hyacinth, artificial feeding, carp cooksUsaha untuk meningkatkan kualitas dari ikan hias selain dari memanipulasi genetiknya kita dapat menambahkan bahan suplemen pada pakannya yang mengandung pigmen atau pewarna, sehingga dapat meningkatkan kecemerlangan kualitas warna ikan hias tersebut. Salah satu jenis ikan hias yang diminati masyarakat adalah ikan mas koki karena keunggulan bentuk dan warna tubuhnya. Metode penelitian yang dilakukan adalah menggunakan Rancangan Acak Lengkap dengan 3 ulangan yaitu A = tanpa penambahan tepung eceng gondok (kontrol),  B = Penambahan tepung eceng gondok 100 gram/Kg Pakan Buatan, C = Penambahan tepung eceng gondok 200 gram/Kg Pakan Buatan dan D = Penambahan tepung eceng gondok 300 gram/Kg Pakan Buatan. Dari hasil penelitian yang telah dilakukan didapatkan bahwa penambahan karotenoid yang berasal dari tepung eceng gondok (Eichhornia crassipes) pada pakan buatan memberikan pengaruh terhadap perubahan warna dan pertumbuhan ikan mas koki. Perubahan warna yang didapat tiap perlakuan adalah Perlakuan A : 0,41, B : 1,18, C : 1,34 dan D : 1,65. Perubahan warna tertinggi terdapat di perlakuan D sebesar 1,65. Pertumbuhan bobot mutlak ikan mas koki setiap perlakuan adalah A : 29,31, B : 30.10, C : 28,64, dan D :28,07 dan tertinggi di perlakuan B sebesar 30,10 gram dan tingkat kelangsungan hidup sebesar 100%.Kata Kunci : Enceng gondok, pakan buatan, ikan mas koki

scholarly journals Effect of Tubifex and Carrot Meal Combination on Color Quality of Botia Chromobotia macracanthus

2020 ◽  
Vol 147 ◽  
pp. 01007
Author(s):  
Yuli Andriani ◽  
Rosidah ◽  
Iskandar ◽  
Agus Priyadi ◽  
Satria N. Firdaus
Keyword(s):  
Color Change ◽  
Ornamental Fish ◽  
Average Score ◽  
Optimum Dose ◽  
Color Quality ◽  
Randomized Design ◽  
Commercial Feed ◽  
Feed Control ◽  
Average Body

Colour is the most important indicators of quality in ornamental fish, making the exploration to find new sources of pigments in ornamental fish is growing. This study aimed to determine the optimum dose of tubifex and carrot meal combination to enhance the quality of color in Botia Chromobotia macracanthus. This study was designed using Completely Randomized Design with six treatments in triplicates: a) commercial feed (control), b) 70% Tubifex + 3% carrot meal + 27% commercial feed, c) 60% Tubifex + 4% carrot meal + 36% commercial feed, d) 50% Tubifex + 5 % carrot meal + 45% commercial feed, e) 40% Tubifex + 6% carrot meal + 54% commercial feed, and f) 30% Tubifex + 7% carrot meal + 63% commercial feed. Parameters observed were color change level, which was tested using the Kruskal-Wallis method; survival rate (SR) tested using analysis of variance through the F test; and water quality. Results showed that the best color enhancement seen in treatment with 50% Tubifex + 5% carrot meal + 45% commercial feed combination with an average body color of 5.04 in Toca Colour Finder code 0605. The caudal fin color was enhanced with an average score of 3.93 in code 0805.

scholarly journals PENGARUH RESIN TERHADAP PERUBAHAN WARNA PADA CAT TEMBOK

2019 ◽  
Vol 5 (2) ◽  
pp. 132
Author(s):  
Nurlela Nurlela ◽  
Risnawati Risnawati
Keyword(s):  
Film Thickness ◽  
Vinyl Acetate ◽  
Polyvinyl Acetate ◽  
Color Change ◽  
Color Difference ◽  
Background Color ◽  
Color Changes ◽  
Synthetic Resins ◽  
Color Background

The Influence of Resin against the Change of Color on the Wall PaintThe quality of the paint is determined by the resin used. Synthetic resins for polymer paints are made by combining several monomers to achieve various characteristics. The incorporation of some monomers such as polyvinyl acetate resin, acrylic vinyl resin and acrylic styrene resin which act as a binder can affect the quality of the paint especially the color change. The purpose of this study is to find the color changes that occur on the wall paint by using Poly Styrene Acrylic , Poly Vinyl Acetate and Poly Vinyl Acrylic. From the results of the measurement of color difference, significant color change occurs in the Poly Vinyl Acetate (PVAc) + Poly Vinyl Acrylic (PVA) and Poly Styrene Acrylic (PSA). The results of the quality test of the three resins based on pH test, scrub test and viscosity test, PSA has better quality compared to PVA + PVAc and PVA resin. From the color difference measurement test, some things need to be considered, are temperature, film thickness, substrate color/background color and measurement conditions (measured in wet sample/in plate/dry surface) and test on resin added additive according to the type of each resin.Keywords: Paint, Resin, Color Changes, Poly Vinyl Acetate, Poly Styrene.ABSTRAK Kualitas dari cat sangat ditentukan oleh resin yang digunakan. Resin sintetis untuk cat berupa polimer yang dibuat dengan menggabung beberapa monomer untuk mencapai berbagai karakteristik. Penggabungan dari beberapa monomer seperti resin poli vinil asetat, resin vinil akrilik dan resin stirena akrilik yang berfungsi sebagai pengikat mampu mempengaruhi kualitas cat terutama dari perubahan warna. Tujuan dari penelitian ini adalah untuk mengetahui perubahan warna yang terjadi pada cat tembok dengan menggunakan Poli Stirena Akrilik, Poli Vinil asetat dan Poli Vinil Akrilik. Dari hasil pengukuran perbedaan warna, perubahan warna cukup signifikan terjadi pada resin Poli vinil Asetat (PVAc) + Poli Vinil Akrilik (PVA) dan resin  Poli Stirena Akrilik (PSA). Hasil uji Kualitas cat dari ketiga resin berdasarkan uji pH, uji scrub dan uji viscositas, PSA memiliki kualitas yang lebih baik dibandingkan dengan resin PVA+PVAc dan PVA. Dari pengujian pengukuran perbedaan warna, beberapa hal yang perlu di perhatikan, yaitu suhu, film thickness, warna substrat/background color dan kondisi pengukuran (diukur dalam keadaan wet sample/dalam bentuk plate/dry surface) dan pengujian terhadap resin yang ditambahkan zat aditif yang sesuai dengan tipe masing-masing resin tersebut.Kata Kunci: Cat, Resin, Perubahan Warna, Poli Vinil, Poli Stirena.

scholarly journals Small Scale Investigation of the Potential of Solar Drying of Water Hyacinth (Eichhornia Crassipes) as A Control Measure in Makurdi

2015 ◽  
Vol 6 ◽  
pp. 129-138
Author(s):  
A O Edeoja ◽  
A O Owolabi
Keyword(s):  
Water Hyacinth ◽  
Mixed Mode ◽  
Eichhornia Crassipes ◽  
Control Measure ◽  
Small Scale ◽  
Drying Rate ◽  
Aquatic Weed ◽  
Solar Drying ◽  
Water Weed

Water hyacinth is the world's worst water weed that is responsible for many environmental and economical problems. Nigerian fresh waters have been infested with this aquatic weed. In this work, a Natural Convection Mixed Mode Solar Dryer for drying water hyacinth to about 10% of its moisture content was constructed and tested as a component of controlling its infestation of the River Benue. The performance of the dryer was compared with the traditional open–air sun drying as the control for drying water hyacinth in Makurdi, Benue State Nigeria. The water hyacinth was dried for 8 hours each day for 4 days. 500g of water hyacinth on wet basis was dehydrated by about 437g on dry basis in 20 hours in the dryer while the control required 32 hours. The dryer was found to be technically more suitable for drying water hyacinth both in terms of the drying rate and quality of the dried product.

scholarly journals Changes of quality of rennets during storing

2012 ◽  
Vol 60 (6) ◽  
pp. 189-196
Author(s):  
Monika Kozelková ◽  
Miroslav Jůzl ◽  
Táňa Lužová ◽  
Květoslava Šustová ◽  
Aneta Bubeníčková
Keyword(s):  
Near Infrared ◽  
Color Change ◽  
Coagulation Time ◽  
Time Activity ◽  
Spectrophotometric Methods ◽  
Color Changes ◽  
Rennet Coagulation ◽  
Total Color Change ◽  
Instrumental Methods

This work deals about evaluation of qualitative parameters of rennets. During the six months storing of rennets were determined following qualitative parameters: pH, rennet coagulation time, activity (strange) of rennet and dose of rennet, and finally were used instrumental methods: Near infrared spectroscopy (NIR) for recognizing age of rennets and spectrophotometric methods of determining the color of rennets. The theory found in the references suggests, that the activity of rennet should decrease by an average of 1–2 % per month, but the results are showing, that are changing quality of rennets namely mostly activity (strange) of rennet, which was decreased by 33% per half year. In analysis of color of rennets weren’t observed major changes by the whole group. Some statistical differences were detected in the partial values L*a*b*, most advantageous were evaluation by rennet total color change during storage, which were higher than noticeable change in four samples. The least color changes (P > 0.05) were observed in microbial rennets, with no values observed (ΔEab < 2) that can be recognized even by the human eye when subjected to parallel comparison. It was found that the NIR analysis can be used to recognizing of rennets, which are different ages.

scholarly journals Responses of Apples to Postharvest Jasmonate Treatments

1998 ◽  
Vol 123 (3) ◽  
pp. 421-425 ◽  
Author(s):  
Xuetong Fan ◽  
James P. Mattheis ◽  
John K. Fellman
Keyword(s):  
Color Change ◽  
Titratable Acidity ◽  
Apple Fruit ◽  
Soluble Solids ◽  
Maximum Effect ◽  
Minimum Concentration ◽  
Color Changes ◽  
Promotive Effect ◽  
Solids Content

The effect of exogenous methyl jasmonate (MJ) and jasmonic acid (JA) compared with the effect of ethephon on surface color and quality of `Golden Delicious' and `Fuji' apples (Malus ×domestica Borkh.) was studied. Treatments were applied by dipping fruit in water solutions of JA, MJ, or ethephon or by exposing fruit to MJ vapors. Response to MJ vapor treatment depended on fruit developmental stage, with the maximum effect occurring as fruit began to produce ethylene. MJ promoted color changes more effectively than JA. The promotive effect of JA increased with JA concentration. A minimum concentration of 0.1 mmol·L-1 JA was needed to promote significant color change within 15 d at 20 °C. JA at 1 or 10 mmol·L-1 promoted color change more effectively than 0.35 or 3.5 mmol·L-1 ethephon. The magnitude of JA-promoted responses decreased at lower temperatures. Treatments with 10 mmol·L-1 JA or 3.5 mmol·L-1 ethephon were phytotoxic. Treatments using JA at 1 or 10 mmol·L-1 in water promoted loss of fruit titratable acidity compared to controls. Firmness and soluble solids content were relatively unresponsive to JA treatments. Based on these results, using JA and MJ to promote degreening of apple fruit with minimal loss of other quality attributes appears feasible.

scholarly journals Effects of Chlorella sp. Additions on the Changes of Visceral Mass and Proximate Contents of Shellfish

2019 ◽  
Vol 7 (2) ◽  
pp. 79
Author(s):  
Clara Dhisa Sumunaring Ratna ◽  
Trijoko Trijoko
Keyword(s):  
Color Change ◽  
Food Preferences ◽  
Nutrient Content ◽  
Northern Coast ◽  
Visceral Mass ◽  
Color Changes ◽  
Chlorella Sp ◽  
Good Taste ◽  
High Nutrient

Shellfish, called as kerang in Indonesia, contains animal protein that’s popular, making it as and important fisheries and marine commodity. Supported by the good taste and high nutrient content in it. Paphia undulata or Kerang  Batik, Peryglipta reticulata or Kerang Kemiri, Meretrix meretrix or Kerang Tahu, and Codakia tigerina or Kerang Madu, are consumption shells from northern coast of Java. To improve the quality of shellfish, Chlorella added as shellfish food preferences. It supported by the high nutrient content in Chlorella sp. Shellfish kept for 15 days in a basket with a sand substrate and drainage from sea. Therefore, the water quality had been controlled for the changed of salinity and water temperature. Parameters used to see the improvement shellfish quality is the color changes on visceral mass and the changes of proximate content (moisture, protein, fat, carbohydrate and ash). This study proves the color changes on visceral mass and proximate content. The color change occurs on the visceral mass and the gills. The changes of viscerall mass occurs on kerang batik from white greyish to yellow while the more clearly gills occurs on kerang madu and kemiri. Meanwhile, the change of proximate shown by the increasing of protein and moisture on all the spesies while on the otherside the decreasing of carbohydrate and ash, but the increasing of fat only occurs on kerang batik and kerang madu. The higher proximate changes occur on kerang madu, where the ammount of moisture at 71,43 ± 0,03 %, the protein at 16,55 ± 0,02 %, the fat at 1,35 ± 0,04 %, the carbohydrate at 2,9 ± 0,03 %, and the ash at 8,09 ± 0,04 %. The conclusion of this research are kerang madu has the higher positive influences by addition of Chlorella, shown by the increasing of proximate contents and the clearly of gills. Keywords : addision of Chlorella sp., changes of visceral mass, proximate, shellfish

THE EFFECT OF Spirulina platensis FLUOR SUPPLEMENTATION TO ARTIFICIAL FEED ON INCREASING OF GOLDFISH (Carassius auratus) COLOR QUALITY

2019 ◽  
Vol 5 (2) ◽  
Author(s):  
Fitriyani Gumilarsah ◽  
Mulyana Mulyana ◽  
Fia Sri Mumpuni
Keyword(s):  
Survival Rate ◽  
Key Words ◽  
Experimental Research ◽  
Spirulina Platensis ◽  
Carassius Auratus ◽  
Color Changes ◽  
Goldfish Carassius Auratus ◽  
Color Quality ◽  
Randomized Design ◽  
Completely Randomized Design

The experimental research was carried out on October 2018 at The Fisheries Laboratory, Djuanda University, Bogor. The research is aimed to know the effect of Spirulina platensis fluor supplementation to artificial feed on increasing of goldfish color quality. The experimental research used completely randomized design with 4 treatments and each 3 replications. The treatments are A (Control), B (the supplementation of Spirulina platensis fluor with a dose of 3 %/1 kg  of artificial feed), C (the supplementation of Spirulina platensis fluor with a dose of 6 %/1 kg  of artificial feed), dan D (the supplementation of Spirulina platensis fluor with a dose of 9 %/1 kg  of artificial feed). The increasing of color quality and the survival rate of goldfish has been evaluated. The results of research showed that the fish color changes on the thirteenth day began to look thick and bright. The best dose is obtained in treatmens C and D. The survival rate of 100 % in all treatments. Key words : Color quality, Goldfish, Spirulina platensis, survival rate

scholarly journals Alternatif Remediasi Limbah Cair Industri Keripik Singkong (Manihot utilissima) Menggunakan Tanaman Air dan Tawas

2020 ◽  
Vol 1 (1) ◽  
pp. 44-50
Author(s):  
Andang Syaifudin
Keyword(s):  
Organic Compounds ◽  
Aquatic Plants ◽  
Water Hyacinth ◽  
Industrial Wastewater ◽  
Eichhornia Crassipes ◽  
Liquid Waste ◽  
Pistia Stratiotes ◽  
Industry Wastewater

In the processing of chips using cassava (Manihot utilissima), it will produce waste in the form of solid and liquid waste. The liquid waste of processing cassava chips contains organic compounds that are easily decomposed and cause unpleasant odors. If the liquid waste is discharged directly into the environment, it will cause pollution and damage the environment. One of the steps that can be used to overcome this problem is phytoremediation. The purpose of this study was to determine the best treatment in the processing of cassava chips industrial wastewater so that the liquid waste is safe to dispose of into the environment. In this study, using two types of aquatic plants, namely water hyacinth (Eichhornia crassipes) and kiambang (Pistia stratiotes) and using alum to remediate liquid waste. This research was conducted experimentally using a jar with a diameter of 15 cm and a height of 25 cm with 3 repetitions of each treatment. The data obtained were analyzed descriptively to determine the best treatment that can be used for remediation of cassava chips industry wastewater. The results showed that the use of water hyacinth plants (Eichhornia crassipes) could improve the quality of wastewater so that it is safe to dispose of into the environment.

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