scholarly journals Uji Kualitas Ubi Beberapa Klon Kentang Hasil Persilangan untuk Bahan Baku Keripik

Jurnal Agro ◽  
10.15575/79 ◽  
2014 ◽  
Vol 1 (1) ◽  
pp. 33-43
Author(s):  
Helmi Kurniawan ◽  
Tarkus Suganda

Penelitian ini bertujuan menguji kualitas ubi beberapa klon kentang hasil persilangan sebagai bahan baku keripik. Penelitian dilakukan mulai Bulan Mei sampai Bulan Juli 2013 di Laboratorium Pasca Panen Balai Penelitian Tanaman Sayuran.Rancangan yang digunakan yaitu Rancangan Acak Lengkap (RAL) dengan tiga ulangan. Perlakuan yang diuji terdiri dari 6 klon hasil persilangan dan 3 varietas pembanding. Hasil penelitian menunjukkan bahwa perbedaan klon kentang memberikan pengaruh terhadap warna, rasa, kerenyahan, dan penampilan keripik yang dihasilkan dan klon kentang terbaik yang memenuhi persyaratan kualitas sebagai bahan baku keripik kentang adalah klon AR 08.The objective of the research was to determine the quality of potato clones derived fromcrossing for potato chips. The research was conducted from May to July 2013 in Postharvest Laboratory of Research Institute for Vegetables, and arranged in a completely randomized design with tree replications. Quality test of 6 clones derived from crossing and 3 varieties control. The results showed that the difference in potato clones give effect to the color, taste, crispyness, and the appearance of the resulting chips and potato clones that best meet the quality requirements for potato chips was cloned AR 08.UJI KUALITAS UBI BEBERAPA KLON KENTANG HASIL PERSILANGAN UNTUK BAHAN BAKU KERIPIK

2017 ◽  
Vol 5 (1) ◽  
Author(s):  
Erwin A. Aziz ◽  
Ockstan Kalesaran

This study aimed to determine the effect of ovaprim hormone, aromatase inhibitor and pituitary on the quality of the catfish eggs (Clarias gariepinus). Experimental Design used was Completely Randomized Design (CRD) with four treatments, each with three replications. Treatment A: ovaprim; treatment B: Aromatase inhibitors, treatment C: hypophysis and treatment D: Control. The results showed that the difference in treatment gave highly significant effect on fertilization and hatching eggs but no significant effect on the survival rate of larvae. Aromatase inhibitor hormone was the best because it provided highly significant effect on fertilization (92.66%), hatchability of eggs (95%), and surviva rate (81.33%) of fish larvae.   Keywords : Clarias gariepinus. Ovaprim, Aromatase Inhibitor, Hypophysis, egg, larvae


Buletin Palma ◽  
2016 ◽  
Vol 16 (1) ◽  
pp. 66
Author(s):  
JUDITH HENNY MANDEI

<p><span style="font-size: medium;">ABSTRAK </span></p><p>Blondo yang diperoleh sebagai hasil samping dari VCO mengandung bakteri Lactobacillus sp. sehingga dapat digunakan sebagai kultur starter dalam pembuatan yogurt. Penelitian bertujuan untuk memanfaatkan blondo dan starter lainnya sebagai starter dalam pembuatan yogurt.  Penelitian dilaksanakan pada bulan Februari sampai November 2013 di Laboratorium Balai Riset dan Standardisasi Industri Manado dan Laboratorium Mikrobiologi Fakultas Perikanan dan  Ilmu Kelautan Unsrat Manado. Penelitian dilakukan dalam beberapa tahap yaitu: fermentasi VCO, pemisahan blondo,  isolasi, identifikasi bakteri asam laktat (BAL), pembuatan kultur starter, pembuatan yogurt dan pengujian mutu yogurt.  Penelitian menggunakan Rancangan Acak Lengkap, perlakuan adalah jenis starter yaitu; starter langsung dari blondo,  isolat (homofermentatif dan heterofermentatif) hasil isolasi blondo, kultur murni (campuran  L. bulgaricus dan S.  thermophilus), dan kultur campuran kering yang mengandung L. bulgaricus, L. acidophilus dan S. thermophilus, dengan  ulangan tiga kali. Parameter yang diuji adalah mutu yogurt (total BAL, abu, protein, lemak, total asam laktat, padatan  susu non lemak, penampakan, bau, rasa,  konsistensi), dan organoleptik. Hasil penelitian menunjukkan bahwa isolat yang diperoleh dari blondo dengan waktu fermentasi 1 hari tidak teridentifikasi adanya BAL homofermentatif maupun  heterofermentatif, dan  isolat yang diperoleh dari blondo dengan waktu fermentasi 2 hari teridentifikasi adanya BAL homofermentatif, diduga adalah bakteri L. delbruecki  subsp. bulgaricus dan L. casei, sedangkan  isolat yang diperoleh dari blondo dengan waktu fermentasi 3 hari teridentifikasi adanya BAL heterofermentatif, diduga L. fermenti. Starter aktif  yang dibuat langsung dari blondo dengan konsentrasi 15, 20, dan 25% bisa dimanfaatkan sebagai starter yogurt, menghasilkan yogurt yang memenuhi syarat mutu SNI 2981:2009, dan secara organoleptik disukai panelis.</p><p>Kata kunci: Kelapa, blondo, starter, yogurt.</p><p> </p><p><span style="color: black; line-height: 115%; letter-spacing: -0.35pt; font-family: 'Arial Bold'; font-size: 14pt; mso-bidi-font-family: 'Arial Bold'; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: IN; mso-fareast-language: IN; mso-bidi-language: AR-SA;"><strong>Utilization of Blondo as a Starter in Processing of Yoghurt</strong> </span></p><p><span style="font-size: medium;">ABSTRACT </span></p><p>Blondo is a by product from VCO process contains which Lactobacillus sp. bacteria that can be used as starter culture in the processing of yoghurt. The research aimed to utilize blondo and other starter as a starter of yoghurt processing. The research was conducted from February to November 2013 in the Laboratory of Research and Standardization Industry Manado and Laboratory of Microbiology Faculty of Fisheries and Marine Sciences at Sam Ratulangi University  Manado.  The study was conducted in several stages, which are: fermentation of VCO, blondo separation, isolation, identification of lactic acid bacteria (LAB), the starter sultures processing, producing and quality test of yoghurt. Research used completely randomized design, treatments based on starter types are; starter directly from blondo, isolates (homo-fermentative and heterofermentative) from blondo, pure culture (a mixture of L. bulgaricus and S. thermophilus), and dry mixed culture containing L. bulgaricus, L. acidophilus and S. thermophilus, three times repetition. The tested parameters were the quality of yoghurt (total LAB, ash, protein, fat, total lactic acid, non-fat milk solids, appearance, odor, flavor, consistency), and organoleptic. The results on isolates obtained from blondo showed that one day fermentation time did not show any homofermentative and heterofermentative lactid acid bacterias. Two days fermentation time showed homofermentative lactid acid bacterias assumed L. delbruecki subsp. bulgaricus and L. casei, while 3 days of fermentation  provided heterofermentative Lactic acid bacterias assumed L. fermenti. Actived starter made directly from blondo with  concentration 15, 20, and 25% can be used as a of yoghurt starter, producing yoghurt which complied the quality requirements of SNI 2981: 2009, and preferred by panelists.</p>Keywords: Coconut, blondo, starter, yoghurt.


Author(s):  
Gina Utami Dewi ◽  
Ratna Ibrahim ◽  
Ima Wijayanti

ABSTRAK Penyamakan kulit ikan Pari umumnya menggunakan minyak sintetis pada proses peminyakan. Kulit ikan Pari tersamak yang kaku membatasi pembentukan model aksesoris, sehingga perlu adanya alternative penggunaan minyak non sintetis, salah satunya minyak ikan tersulfit. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan minyak ikan tersulfit terhadap nilai kelemasan dan kualitas kulit ikan Pari Mondol tersamak. Penelitian dilakukan dengan metode eksperimental laboratoris. Percobaan dirancang dengan Rancangan Acak Lengkap (RAL) dengan perlakuan konsentrasi minyak ikan tersulfit yang berbeda, yaitu 14%, 16%, 18%, dan kontrol (15% minyak sintetis). Variabel kualitas produk yang diamati adalah kelemasan, kekuatan tarik, kemuluran, kekuatan sobek, ketebalan, ketahanan bengkuk, kadar air, kadar lemak, dan pH. Hasil penelitian menunjukkan bahwa penggunaan minyak ikan tersulfit pada proses peminyakan kulit ikan Pari Mondol tersamak berpengaruh nyata terhadap nilai kelemasan, kemuluran, kekuatan sobek, dan kadar lemak. Kualitas produkkulit ikan pari tersamak  terbaik yaitu produk yang menggunakan minyak ikan tersulfit dengan konsentrasi 16%. Produk tersebut menghasilkan nilai kelemasan yang memenuhi persyaratan ISO dan kualitasnya memenuhi persyaratan mutu Kulit Ikan Pari Tersamak menurut SNI. Kata kunci: Kulit Ikan Pari Mondol Tersamak, Minyak Ikan Tersulfit, Nilai Kelemasan, Kualitas  ABSTRACT Tannery of Stingray usually uses synthetic oil in fatliquoring process. Tanned Stingray leather is rigid, as of limiting the modeling accessories formation. so the need for alternative use of non-synthetic oil, sulfited  fish oil one. This study aims to determine the effect of sulfited fish oil against softness value and quality of fish Pari Mondol tanned skin. The study was conducted with laboratory experimental method. The experiments are designed with completely randomized design (CRD) by treatment with  sulfitted fish oil different concentration, namely 14%, 16%, 18%, and controls (15% synthetic oil). The variable quality of the products observed were softness, tensile strength, elongation, tear strength, thickness, crooked durability, moisture content, fat content, and pH. The results showed that the use of sulfited  fish oil in the process of tanned stingray leather significantly affect the value of softness, elongation, tear strength, and fat content. The best quality of tanned  stingray tanned leather was tanned stingray leather with sulfited fish oil 16%. The product produced softness value that fulfill the requirements of ISO and the quality requirements tanned stingray  leather by SNI.. Keywords: Tanned Stingray Leather, Sulfited Fish Oil, Softness, Quality


Buletin Palma ◽  
2019 ◽  
Vol 20 (2) ◽  
pp. 91
Author(s):  
Adhitya Yudha Pradhana ◽  
Ismail Maskromo ◽  
Nugroho Utomo ◽  
Engelbert Manaroinsong ◽  
Steivie Karouw ◽  
...  

<p>Virgin Coconut Oil (VCO) production with dry extraction oils such as copra is time consuming and resulting in quality. The purpose of this study was to optimize the production of VCO using the Direct Micro Expelling-Flat Bed Dried (DME-FBD) method. This research was carried out at the Indonesian Palm Crops Research Institute (IPCRI) on January - March 2019 in the coconut processing unit of the postharvest laboratory using two coconut varieties, namely Mapanget Tall (MTT) and Salak Green Dwarf (SGD), each with 10, 11, and 12 months harvest period. The experimental design used a Completely Randomized Design (CRD) with 3 repetition. The results showed that the yield of VCO oil from coconut 11 months old of MTT was 18.39% (16 nuts/L VCO) with optimum DME-FBD temperature of approximately 40-88°C on plate and 36–72°C on grated coconut meat. VCO obtained from MTT coconut has a quality of 0.07% water content, free fatty acid 0,0017%, fresh aroma coconut, non-rancid with a value of 4.50, a distinctive of coconut oil taste of 4.10, and clear color of 4.30 accordingly with SNI 7381: 2008 and export quality requirements of APCC. Almost the same quality was obtained from SGD coconut with 11 months of harvest with a water content of 0.06%, free fatty acids 0.0018%, a fresh aroma of coconut with a value of 4.30, a distinctive of coconut oil taste of 4.00, and clear color 4.10.</p><p align="center"><strong>ABSTRAK</strong></p><p>Produksi Virgin Coconut Oil (VCO) dengan ekstraksi kering seperti kopra membutuhkan waktu lama dan metode yang digunakan kurang optimal. Tujuan penelitian adalah untuk melakukan optimasi produksi VCO dengan menggunakan metode <em>Direct Micro Expelling-Flat Bed Dried </em>(DME-FBD). Penelitian dilakukan pada bulan Januari-Maret 2019 di unit pengolahan kelapa laboratorium pascapanen, Balai Penelitian Tanaman Palma menggunakan dua varietas kelapa, yaitu kelapa Dalam Mapanget (DMT) dan kelapa Genjah Salak (GSK), masing-masing dengan umur panen 10, 11, dan 12 bulan. Rancangan percobaan menggunakan Rancangan Acak Lengkap (RAL) dengan 3 ulangan. Hasil penelitian menunjukkan rendemen minyak VCO tertinggi dari kelapa DMT umur 11 bulan, sebesar 18,39% (16 butir/L VCO) dengan suhu optimum sekitar 40-88°C di pelat dan 35-72°C pada kelapa parut, sedangkan rendemen VCO kelapa GSK umur 11 bulan sebesar 16,38%, tetapi dengan jumlah buah 26 butir untuk mendapatkan 1 liter VCO, dengan suhu optimum sekitar 42-94°C di pelat dan 36-72°C pada kelapa parut. VCO yang diperoleh dari kelapa DMT mempunyai kualitas kadar air 0,07%, asam lemak bebas 0,0017%, aroma khas kelapa segar, tidak tengik dengan nilai 4,50, rasa normal, khas minyak kelapa 4,10, dan warna jernih 4,30 yang sesuai dengan SNI 7381:2008 dan syarat mutu ekspor APCC. Kualitas yang hampir sama diperoleh dari kelapa GSK dengan umur panen 11 bulan dihasilkan kadar air 0,06%, asam lemak bebas 0,0018%, aroma segar khas kelapa, tidak tengik dengan nilai 4,30, rasa khas minyak kelapa 4,00, dan warna jernih 4,10.</p><p> </p>


2020 ◽  
Vol 6 (1) ◽  
pp. 1
Author(s):  
Cahya Setya Utama

The study aims to examine the improvement in the quality of fermented wheat pollard added with vitamins and minerals seen from total bacteria, gram positive and negative. The research material consisted of wheat pollard, fermented cabbage waste, aquades, salt, molasses, vitamins minerals there are CoSO4 , KAI(SO4)2, Na2SeO3, H3BO3, Na2MaO4 , vitamin C, vitamin E, vitamin B Kompleks, CO(NH2)2, NaCl, MgSO4, MnSO4, ZnSO4, CaCl2, FeSO4, CuSO4, MSG. The research method was started by smoothing cabbage waste by adding 8% salt and 6.7% molasses by the weight of cabbage, then fermented for 6 days. Fermented cabbage waste is then mixed with wheat pollard which has been previously heated at 121 ° C for 15 minutes and mixed with vitamins and minerals and then fermented for 4 days. Research design uses a Completely Randomized Design (CRD) of directional patterns with 5 treatments and 3 replications. The treatment given is the difference in the addition of vitamins and minerals by 0% (T0), 2,5% (T1), 5% (T2) and 7,5% (T3). The results showed that total bacteria was significantly different (P< 0.05) in all treatments, gram positive bacteria were not significantly different (P> 0.05) in all treatments and gram negative bacteria were not significantly different (P> 0.05) in all treatments. The conclusion of the study was that the addition of vitamins and minerals to fermented wheat pollard reduced total bacteria, gram-positive and gram-negative bacteria from the microbial population


2013 ◽  
Vol 3 (1) ◽  
pp. 1-13
Author(s):  
Echy Warna Priasty ◽  
Hasanuddin Hasanuddin ◽  
Kurnia Herlina Dewi

The vinegar production needs two steps, the sugar changing to alcohol by yeast and then alcohol changing to vinegar by acetic acid bacteria. The vinegar could be produce by slow methods. The purposed of this study were to determine the influence of yeast and sugar using against the quality of fermentation result in first step (anaerobic), analyzing the influence of fermentation time against the vinegar quality based on SNI 01-3711-1995, and study the influence of fermentation time against the acetic acid content in second step (aerobic) with slow methods. This research used completely randomized design, the adding sugar (3 level) and yeast (3 level) as treatment. Each treatment was repeated three times. While the observation of vinegar quality used experiment research without the difference of treatment and repetition, used single error design. Result of research showed that vinegar quality have been suitable with SNI 01-3711-1995 about vinegar, include form, smell, acetic acid content, formic acid and oxalic acid. If the fermentation time be longer, the acetic acid content be lower in aerobic fermentation with slow methods, it was showed by the exponential regression formula ?= 20,695e-0,088x.


2020 ◽  
Vol 2 (1) ◽  
Author(s):  
Silaturahmi Silaturahmi ◽  
Zaidiyah Zaidiyah ◽  
Tengku Mia Rahmiati

The use of colorants in the dried noodle manufactures is an effort of product diversification. Besides of being used as a natural coloring agent, this peel extract is also used to improve nutritional value of the expected product. The purpose of this study was to determine the effect of red dragon fruit peel extract on the physical quality of dried noodle.  The study was conducted by using Completely Randomized Design (CRD) method with one factor, namely concentration of red dragon fruit peel extract (N1 = 10 ml, N2 = 15 ml, N3 = 20 ml, N4 = 25 ml, N5 = 30 ml).  The observations of its physical quality consisted of water absorption, solid loss during cooking, and organoleptic tests (aroma and color).  The best quality of dried noodle was obtained by using 30 ml red dragon fruit peel extract (N5) with physical properties, namely DSA levels of 351.92%, solid loss during cooking 4.78%, aroma 3.79 (like) and color 3.89 (like).


2020 ◽  
Vol 7 (2) ◽  
pp. 119
Author(s):  
Lukman Affandhy ◽  
Muchamad Luthfi ◽  
Dian Ratnawati ◽  
Frediansyah Firdaus

ABSTRAK  Penelitian bertujuan untuk mengetahui pengaruh pemberian bubuk daun Moringa oleifera (MO) terhadap kuantitas dan kualitas semen sapi peranakan ongole (PO). Metode penelitian menggunakan percobaan lapang dengan rancangan acak lengkap dengan tiga perlakuan pemberian MO sebesar 0 kg/ekor/hari (P1); 0,05 kg/ekor/hari (P2) dan 0,1 kg/ekor/hari (P3). Analsis data menggunakan one way analysis of variance. Masing-masing perlakuan terdiri atas empat ekor dengan tiga periode pengamatan sebagai ulangan, yaitu periode pertama dan ketiga tanpa MO, dan periode kedua diberikan MO pada P2 dan P3. Hasil penelitian menunjukan bahwa volume dan pH semen perlakuan P1, P2 dan P3 tidak berbeda semua periode pengamatan. Motilitas massa spermatozoa P2 dan P3 periode kedua dan ketiga menunjukan nilai +++ berbeda nyata (P<0,05) dibandingkan dengan P1 (++); motilitas individu  perlakuan P1 menunjukkan nilai terendah 60,56±2,94 % (P<0,05) dibandingkan P2 dan P3 pada periode kedua dan ketiga (75,50±2,29 dan 72,50±2,34%). Konsentrasi spermatozoa P2 dan P3 periode kedua dan ketiga menunjukkan rata-rata  >1.350 juta/ml berbeda nyata (P<0,05) daripada P1 (876±152juta/ml), sedangkan total spermatozoa motil menunjukkan nilai tertinggi 5.647±829 juta/ml pada P3 periode kedua.Viabilitas spermatozoa P2 dan P3 menunjukkan nilai >88-89 % beda nyata (P<0,05) daripada P1 (<84 %) pada periode kedua dan ketiga, sedangkan nilai abnormalitas spermatozoa yang terbaik adalah P2 sebesar 4,30% pada periode kedua dan P3 sebesar 5,33% pada periode ketiga. Disimpulkan pemberian bubuk daun MO dengan dosis 0,1 kg/ekor/hari dapat memperbaiki kuantitas dan kualitas semen (viabilitas dan total spermatozoa motil) sapi pejantan PO.Kata kunci:  kuantitas dan kualitas semen, Moringa oleifera, sapi pejantan ABSTRACTThe research aimed to determine the effect of Moringa oleifera (MO) leaf powder on the quantity and quality of semen of ongole crossbreed. The research method used was a field experiment with a completely randomized design with three treatments giving MO of 0 kg/head/day (P1); 0.05 kg/head/day (P2) and 0.1 kg/head/day (P3). Each treatment consisted of four heads with three periods of observation as replications, namely the first and third periods without MO, and the second period was given MO on P2 and P3. Data analysis used a one-way analysis of variance. The results showed that the volume and pH of semen treated P1, P2, and P3 didn’t different in all observation periods. The second and third period spermatozoa mass motility of P2 and P3 showed that the value of +++ was significantly different (P<0.05) compared to P1 (++); Individual motility of P1 treatment showed the lowest value 60,56±2,94 % (P<0.05) compared to P2 and P3 in the second and third periods (75,50±2,29 and 72,50±2,34%). The second and third periods of P2 and P3 spermatozoa concentrations showed an average of >1,350 million/cc significantly different (P<0.05) than P1 (876±152 million/cc), while the total motile spermatozoa showed the highest value of 5,647±829 million/cc in the second period P3. The spermatozoa viability of P2 and P3 showed values >88-89% significantly different (P<0.05) than P1 (<84%) in the second and third periods, while the best spermatozoa abnormalities were P2 at 4.30% in the second period and P3 at 5.33% in the third period. It was concluded that the giving of MO leaf powder at a dose of 0,1 kg/head/day could improve the quantity and quality of semen (viability and total motile spermatozoa) of Ongole Crossbreed bulls. Keywords: bulls, Moringa oleifera, quantity and quality of semen


2015 ◽  
Vol 4 (1) ◽  
pp. 8-13
Author(s):  
Priscillia Picauly ◽  
Josefina Talahatu ◽  
Meitycorfrida Mailoa

Soybean (Glycine max (L) Merr) is needed as an alternative diversification in order to increase protein consumption. Soybean can be processed into variety of foods and drinks. The most popular drink from soybean is soya milk which is made from soybean extract yielded from the addition of water. The amount of water added determine the quality of soya milk due to its effect on the chemical and physical properties of soya milk. This research was intended to find out the proper ratio of soybean and water in the processing of soya milk to yield the best quality. A completely randomized design was used with eight treatments of soybean and water ratio as follows, ratio of 1 : 6, ratio of 1 : 8, ratio of 1 : 10, ratio of 1 : 12, ratio of 1 : 14, ratio of 1 : 16, ratio of 1 : 18 and ratio of 1 : 20. Result showed the soybean and water ratio 1 : 10 in the processing of soya milk yielded milk having good quality according to its chemical with protein content of 2.53%, fat of 1.20%, sugar total of 1.60%, pH of 7.1, and organoleptic characteristies of both somewhat sweet taste and viscous texture.


2015 ◽  
Vol 4 (2) ◽  
pp. 41-44
Author(s):  
Priscillia Picauly ◽  
Gilian Tetelepta

Instant porridge is sereal-based food that can be combined with fruits so it will contain better nutrition. To improve the nutrition value of instant porridge then substitute of one kind of banana originally from Maluku is Tongka langit banana. A good quality of instant porridge has a high nutrition and a best physical property. This research aims to characterize of the physical properties instant porridge that are substituted by Tongka langit banana flour and the rice flour. The design that is applied is completely randomized design with four levels of treatment in comparing the substitution between Tongka langit banana flour and the rice flour as follow 20%, 40%, 60% and 80%. According to the result of this research, the physical characteristic of instant porridge that are substituted by Tongka langit banana flour are bulk density (0.84-0.89 g/mL), water absorption index (3.49-4.05%), and water solubility index (0.02-0.04%).


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