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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Kelautan dan Perikanan Terapan (JKPT) Journal of Aquaculture and Fish Health Journal of Tropical Marine Science Kontribusia : Research Dissemination for Community Development Grouper: Jurnal Ilmiah Perikanan Journal of Marine and Coastal Science Bioscientist : Jurnal Ilmiah Biologi Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Journal of Fisheries & Marine Journal of Aquaculture Science

Laksmi Sulmartiwi

Departemem Kelautan, Fakultas Perikanan Dan Kelautan, Universitas Airlangga

Author-ID : 2757630

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Public Health Social Sciences Veterinary

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Application of Modified Starch on Bioplastic Spoon Based Carrageenan from Eucheuma cottonii on Biodegradability and Water Resistance Muhammad Dzaky; Laksmi Sulmartiwi; Dwi Yuli Pujiastuti
Journal of Marine and Coastal Science Vol. 11 No. 2 (2022): JUNE
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i2.30488

Polysaccharides such as carrageenan are potential materials that can be used as bioplastics. Modified starch is a material that can reduce the hydrophilic properties and increase the hydrophobic and mechanical properties of bioplastics. The purpose of this study was to determine the effect of the application of modified starch on carrageenan-based bioplastic spoons from seaweed Eucheuma cottonii on the biodegradability and water resistance, and to determine the best formulation of bioplastic spoons that could produce the best biodegradability and water resistance. The experimental method in this study used a completely randomized design. The treatment given was the concentration of modified starch (0; 2; 2.5; and 3 grams). The results showed that the addition of modified starch would slow down the rate of biodegradation and improve water resistance, but produced fluctuating values caused by various factors.

Increasing the value added of production citronella oil and carrageenan in Rungkut Barata Surabaya Dwi Yuli Pujiastuti; Laksmi Sulmartiwi; Ahmad Shofy Mubarak
Kontribusia : Research Dissemination for Community Development Vol 4 No 2 (2021): Kontribusia (Research Dissemination for Community Development)
Publisher : OJS Universitas Muhammadiyah Gresik

In this PKM program, our partner is residents in Rungkut Barata, Surabaya, East Java Province. This community has generated the production of citronella oil. However, the product only in the form of citronella oil in a simple package. Citronella oil from the refining process is one of the jobs for the people in Rungkut Barata where to improve welfare, a product diversification process is necessary. Seaweed is forms of algae that grow in the sea and has the biological activity for health. Carrageenan is the product result of seaweed extraction that have several function as thickener, emulsifier, suspension, and stabilizer. The pharmaceutical industry uses carrageenan for the manufacture of drugs, syrups, tablets, toothpaste, and shampoo. The cosmetics industry uses it as a gelling agent or binding agent. Based on interviews and observations in the field, there are 2 main focuses of the problems currently faced by partners, namely: 1) lack of knowledge about non-consumption seaweed and 2) product diversification of seaweed and citronella oil which have an added value. Some of the things planned by the PKM team are innovating citronella oil to be aromatic soap as well as providing training and mentoring for financial analysis, soap packaging and marketing. The purpose of this activity is to transfer knowledge of making soap, develop the creativity of the partner, increase the soap production and improve the welfare of the partner. This activity was realized with an approach in the form of making a sustainable cooperation program until the end of PKM, creating a family atmosphere between the two and understanding that the problems experienced were a shared problem so that they could be solved together according to the level of responsibility to achieve the expected benefits, namely increased yields, production and productivity and competitiveness, independence and welfare of the community.

Karakteristik Hematologi Kerang Darah (Anadara granosa) Di Muara Sungai Ketingan, Sidoarjo, Jawa Timur, Indonesia Hari Suprapto; Yenta Kusuma Wardhani; Laksmi Sulmartiwi
Grouper: Fisheries Scientific Journal Vol 11, No 1 (2020): Grouper : Jurnal Ilmiah Fakultas Perikanan Universitas Islam Lamongan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v11i1.60

Bivalve dapat ditemukan dengan mudah dan berlimpah di sepanjang pantai, terutama di muara sungai Ketingan Sidoarjo. Secara umum bivalvia adalah indikasi yang tepat untuk pemantauan kesehatan dan keseimbangan ekosistem. Namun kondisi hematologis pada bivalve yang disebabkan oleh efek lingkungan masih terbatas. Dalam hal ini, hanya beberapa spesies bivalve yang memiliki eritrosit dan hemoglobin. Kerang Darah Tropis adalah spesies primer bivalve yang digunakan untuk mengetahui efek pencemaran lingkungan terhadap kondisi hematologi bivalve, selain kondisi fisiologis dan biokimia bivalvia (Eapen and Patel, 1989). Kerang darah (Anadara granosa) adalah salah satu dari sekitar 200 spesies dalam keluarga Arcidae yang memiliki darah di dagingnya atau sering disebut kerang darah (Gabriel, 2011). Warna merah terjadi karena adanya hemoglobin dalam darah. Kerang darah (Anadara granosa) menyebar di perairan tropis dengan kepadatan tinggi yang ditemukan di substrat daerah intertidal dalam bentuk lumpur halus yang berbatasan dengan hutan bakau (Ulysses et al., 2009). Penelitian ini bertujuan untuk mengetahui karakteristik hematologi kerang darah (Anadara granosa) di muara sungai Ketingan, Sidoarjo. Metode yang digunakan dalam penelitian ini adalah survei muara sungai Ketingan secara langsung. Studi ini dimulai dari September 2016 hingga Februari 2017, dalam spesimen yang dipilih secara acak. Hasil penelitian menunjukkan bahwa darah kerang diambil dari muara sungai Ketingan dan diklasifikasikan menjadi 4 kelompok dengan panjang (2,00 cm), (3,00 cm), (4,00 cm), (4,00 cm), (5,00 cm). Jumlah rata-rata sel darah merah adalah 1,41X109cell / ml, sel darah merah 3,48X106cell / ml. Kandungan hemoglobin (Hb) ditemukan dalam kisaran 3,25 hingga 7,87 gdL-1 dan terlihat meningkat dengan ukuran. Kecenderungan umum dalam hubungan antara parameter darah dan ukuran tubuh adalah bahwa semakin besar hewan, semakin tinggi nilai parameter hematologisnya.

Molecular Identification of Grouper Fish (Perciformes: Serranidae) Landed From Pangpang Bay, Banyuwangi Firdha Farah Pramesti; Laksmi Sulmartiwi; Sapto Andriyono
Journal of Tropical Marine Science Vol 5 No 2 (2022): Journal of Tropical Marine Science
Publisher : Universitas Bangka Belitung

The Pangpang Bay Banyuwangi has a high potential for fisheries, processing and capturing fisheries, especially the order Perciformes of the families Carangidae, Lutjanidae and Serranidae. Grouper (Serranidae) is one of the high-economic marine fish commodities. However, the grouper fishing data in this area is only known as grouper without knowing the type of species. It is challenging to identify grouper species because groupers have a high degree of morphological similarity and colour variation. Therefore, molecular identification is necessary to determine the type of grouper in this region. This study aims to identify the grouper species that landed from Pangpang Bay based on DNA barcoding. In addition, phylogenetic tree analysis between grouper species (Serranidae) was carried out, and genetic distance analysis of the identified species was compared to the NCBI database. Morphological observations on groupers were carried out first, and fish meat samples were taken for experiments on molecular identification. The results of molecular-based identification revealed two grouper species Epinephelus coioides and Cephalopholis miniata. The results of phylogenetic tree reconstruction of the two groupers form a separate clade. The genetic distance between Epinephelus coioides ranged from 0.00-0.122, while the species of Cephalopholis miniata had a genetic distance of 0.00-0.002.

Influence of Brewing Time and Temperature on Antioxidant Activity of Pedada (Sonneratia caseolaris) Fruit Peel Extract as a Potential Functional Drink Muhammad Fauzan; Laksmi Sulmartiwi; Eka Saputra
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.38260

Pedada (Sonneratia caseolaris) are plants that live in the mangrove ecosystem. The fruit of the pedada plant is round, has stemmed tip, base is wrapped by petal, non-toxic and edible. The flesh of the pedada fruit is used as syrup, but the peel is considered as waste. On the other hand, pedada fruit peel contains antioxidant activity compound, such as phenol, tannin, and flavonoid. A way to process the pedada fruit skin into a functional drink is required so that it has economic value. The purpose of this study was to determine the effect of different brewing temperatures and duration on the antioxidant activity of pedada (Sonneratia caseolaris) peels extract. The research method used was experimental with Factorial Completely Randomized Design (CRD) as the experimental design. The factors used are temperature (70○C, 85○C, and 100○C) and time (5, 10, and 15 minutes) with 3 replications. The main parameter observed was the extract’s antioxidant activity. Supporting parameters observed were water content, total phenolic content, and antioxidant activity of pedada fruit peel. Data analysis used was Two Way Analysis of Variance (Anova) and followed by Honest Significantly Difference (HSD) by 5%.The results showed that the increase in temperature and duration increased the antioxidant activity of the pedada fruit peel extract. The best treatment was obtained by 100○C treatment for 10 minutes which was not significantly different from 100○C treatment for 5 minutes and 85○C for 15 minutes. In addition, there was an increase in antioxidant activity of 12,10% from the best treatment compared to the control treatment.

Antibacterial Activity of Crude Extract Red Algae Eucheuma spinosum Against Staphylococcus epidermidis Bacteria Growth Nindhita Yusvantika; Rahayu Kusdarwati; Laksmi Sulmartiwi
Journal of Marine and Coastal Science Vol. 11 No. 3 (2022): SEPTEMBER
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jmcs.v11i3.38286

The use of seaweed (Eucheuma spinosum) as a source of bioactive ingredients from algae has not been widely carried out, even though it has secondary metabolites that are thought to have antibacterial activity. The purpose of this study was to determine the inhibitory activity of the crude extract of red algae E. spinosum on the growth of Staphyloccus epidermidis bacteria in vitro. The working method used is an experimental and qualitative research design. Extraction of E. spinosum used maceration with 96% ethanol solvent and evaporated using a rotary evaporator to obtain a crude extract yield of 1.54%. The phytochemical screening test used thin layer chromatography and precipitation tests. The results of phytochemical screening showed that crude extract of Eucheuma spinosum contained alkaloids, flavonoids, terpenoids and saponins. These compounds are thought to have the potential to have antibacterial activity. The antibacterial test was based on a comparative study of the literature using the disc diffusion method (Kirby-Bauer test) with a positive control of Clindamycin 10μl/ml and a negative control of distilled water. Comparison of the literature on the results of the antibacterial activity test is thought to be effective for treating acne-causing bacteria, namely Staphylococcus epidermidis with an average inhibition of 26.5 mm (30 μl). The antibacterial activity is because seaweed contains secondary metabolites such as flavonoids, alkaloids, terpenoids, and saponins. The need for herbal therapy to treat diseases caused by Staphylococcus epidermidis bacteria to reduce bacterial resistance to antibiotics.

Characterization of Salt Quality from Artemia (Artemia franciscana) Cultured Water with Dunaliella salina as Natural Feed Himna Sayyyidatul Islamiyah; Mochammad Amin Alamsjah; Laksmi Sulmartiwi
Journal of Aquaculture and Fish Health Vol. 11 No. 3 (2022): JAFH Vol. 11 No. 3 September 2022
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v11i3.34790

The high demand for domestic salt cannot be achieved by local salt production from traditional salt and PT. Garam fluctuates every year. In addition, the quality of traditional salt is still low. This causes the need for domestic salt consumption to be met by imported salt. Therefore, it is necessary to have an alternative to meet the domestic salt demand, namely the revitalization of salt ponds for the development of mass Artemia cultivation that produces both Artemia production and biomass and produces salt in one location. In its natural habitat, Artemia uses microalgae as its main food source. The quality of microalgae feeds greatly determines the production of Artemia franciscana. The availability of nutrients is a factor that determines the rate of growth, so the amount and quality of feed are the main factors to meet the nutritional content for optimal development. Therefore, the salt production in this study used saltwater cultured Artemia with Dunaliella salina as a natural feed with a water age of 3rd,7th, and 14th days. This study aimed to determine the best age of Artemia water cultured with Dunaliella salina as a natural feed in salt production. The results showed that the different ages in Artemia water cultured with Dunaliella salina had a significant effect (p < 0.05) on salt characteristics. The best result was D7 which is salt from Artemia cultured water with Dunaliella salina as a natural feed with water age 7th day. Their respective values are 0.66a + 0.33 water content, 91.55 + 0.32 NaCl, 0.87 water-insoluble part, 0.39% + 0.01 Ca, and 1.25a + 0.05 Mg.

Correlation of Density and Water Quality to Cortisol of Cantang Grouper Fish (Epinephelus fuscoguttatus X Epinephelus lanceolatus) in Floating Net Cages Laksmi Sulmartiwi; Bintang Eka Nugraha Satia Aditama; Isnatul Umu Shohifah; Alfian Rahmadhani Satria Hani Saputra
Journal of Aquaculture and Fish Health Vol. 11 No. 3 (2022): JAFH Vol. 11 No. 3 September 2022
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v11i3.36661

Cantang grouper is a hybrid resulting from crosses between female tiger grouper (E. fuscoguttatus) and male kertang grouper (E. lanceolatus). Cultivation with floating net cages is one of the attempts made to cultivate cantang grouper fish. Problems that arise are the non-uniformity of the size of the fish when harvesting, this problem can lead to a decrease in selling prices and maintenance that tends to be longer. Metabolic disorders in living beings can be caused due to physiological stress and one of the causes can arise from water quality. Water quality is closely related to feeding and stocking density because the increase in feed and stocking density can affect the accumulation of feces to stress which causes slow growth. This study was conducted to find out the influence of density and water quality factors that play the most important role in the stress of cantang grouper fish based on indicators of cortisol levels. Cortisol testing is performed using the elisa method with Bioassay Technology Laboratory E0014Fi kit type. Data are processed using multiple linear regression test analysis that serves to determine the relationship and influence of the free variable (independent) X on non-free variables (dependent) Y. Regression analysis is used to determine the relationship between factors that are causal relationships. After the regression test, then the Analysis of Variance (ANNOVA) test is conducted, to find out the difference and influence of dependent parameters with significantly independent. There is a strong influence and correlation between water quality factors simultaneously to the cortisol levels of cantang grouper fish in floating nets, as can be seen from the R value of 0.546. The most influential water quality factor was nitrite with an effect of 19.7%. The next most significant water quality factor was ammonia with an effect of 37.1%. The indicated cortisol value can be known that fish are not in a state of stress due to increased NO2 and NH3. Density has no significant effect on cortisol because of its significance value above (p>0.05).

KARAKTERISTIK MORFOLOGI DUA SPESIES MAHSEER (CYPRINIDAE; TORINAE) ASAL JAWA TIMUR Dyah Wahjuning Listyarini; Laksmi Sulmartiwi; Veryl Hasan; Sapto Andriyono
Jurnal Kelautan dan Perikanan Terapan (JKPT) Vol 5, No 2 (2022): JKPT Desember 2022
Publisher : Politeknik Ahli Usaha Perikanan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jkpt.v5i2.11781

Mahseer (genus Tor dan Neolissochilus) adalah ikan dari famili Cyprinidae yang tersebar luas di Asia Selatan hingga Indonesia bagian barat. Saat ini keberadaan ikan tersebut di alam terancam akibat degradasi lingkungan, salah satunya di Jawa Timur, Indonesia. Berkurangnya jenis ikan tersebut mengakibatkan kepunahan spesies di masa yang akan datang dan terbatasnya peran spesies pada ekosistem karena kehilangan keragaman genetik. Keragaman genetik ini dapat diketahui dengan adanya karakteristik morfologi untuk mengetahui status genetik dari suatu ikan. Tujuan dari penelitian ini adalah untuk mengidentifikasi keanekaragaman jenis mahseer berdasarkan karakter morfologi di beberapa lokasi sungai di Jawa Timur. Sampel ikan mahseer diperoleh dari Kabupaten Pasuruan (DAS Banyubiru dan Umbulan), Kabupaten Tulungagung (DAS Song), dan Kabupaten Karanganyar (DAS Senatah). Identifikasi morfologi dilakukan berdasarkan panduan identifikasi. Karakteristik yang diamati adalah morfologi, meristik, dan fitur tambahan (matriks pola warna). Hasil kajian morfologi menunjukkan bahwa terdapat 2 jenis mahseer di Jawa Timur, yaitu Tor tambra dan Tor tambroides.

Induksi pemijahan ikan wader pari (Rasbora argyrotaenia) menggunakan Ovaprim TM dengan dosis berbeda Dwi Retna Kumala Ningrum; Darmawan Setia Budi; Laksmi Sulmartiwi
Depik Vol 8, No 2 (2019): August 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Abstract. Silver rasbora (Rasbora argyrotaenia) has become one of the freshwater culture commodities that have high economic value. Research on the use of Ovaprim™ to the induction of spawning of silver rasbora needs to be done as an effort to develop the technology of fish hatchery. This study aims to determine the effect of using Ovaprim™ and its optimal dosage on the induction of silver rasbora spawning. This research was conducted at the Wet Laboratory Airlangga University Banyuwangi campus in March to May 2018. Ovaprim ™ was applicated using intramuscular injection method following the treatment design was used a Completely Randomized Design (CRD) with 4 treatments and 5 replications namely P0: Without Ovaprim ™ (control); P1: dose of 0,3 mL /kg fish weight; P2: dose of 0,5 mL/kg fish weight; P3: dose of 0,7 mL/kg weight of fish. The parameters observed in this study were fecundity, egg diameter, fertilization rate, hatching rate and larval survival rate. Induction of silver rasbora spawning using Ovaprim ™ has an effect on fecundity and fertilization rate but has no effect on hatching rate, survival rate and egg diameter. The optimal dose of Ovaprim ™ on the induction of spawning of silver rasbora is 0,7 mL/kg weight of fish with the highest fecundity value compared to other treatments.Keywords: fecundity, egg diameter, hatching rate, survival rate Abstrak. Ikan wader pari (Rasbora argyrotaenia) telah menjadi salah satu komoditas budidaya air tawar yang memiliki nilai ekonomis tinggi. Penelitian mengenai penggunaan Ovaprim™ dalam induksi pemijahan ikan wader pari perlu dilakukan sebagai upaya pengembangan teknologi pembenihan ikan tersebut. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan Ovaprim™ dan menentukan dosis optimalnya pada induksi pemijahan ikan wader pari. Penelitian ini dilakukan di Laboratorium Basah PSDKU Universitas Airlangga Banyuwangi pada bulan Maret sampai Mei 2018. Aplikasi Ovaprim™ menggunakan metode injeksi intramuskular mengikuti desain perlakuan menggunakan Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 5 ulangan yaitu P0 : Tanpa pemberian Ovaprim™ (kontrol), P1 : dosis 0,3 mL/kg bobot ikan, P2 : dosis 0,5 mL/kg bobot ikan, P3 : dosis 0,7 mL/kg bobot ikan. Parameter yang diamati dalam penelitian ini adalah fekunditas, diameter telur, derajat fertilisasi, derajat penetasan telur dan tingkat kelangsungan hidup larva. Induksi pemijahan ikan wader pari menggunakan Ovaprim™ memberikan pengaruh terhadap fekunditas dan derajat fertilisasi namun tidak memiliki pengaruh terhadap derajat penetasan telur, tingkat kelangsungan dan diameter telur. Dosis optimal Ovaprim™ pada induksi pemijahan ikan wader pari yaitu 0,7 mL/ kg bobot ikan dengan nilai fekunditas tertinggi dibanding perlakuan lainnya. Kata kunci: fekunditas, diameter telur, derajat penetasan telur, tingkat kelangsungan hidup

Co-Authors A. Shofy Mubarak Abang Aldhian R. Putera Ade Wahyu Pratama Adrian Damora Ahasan Habib Akhmad Taufiq Mukti Alfian Rahmadhani Satria Hani Saputra Aliffiansyah Rizky Ergion Andi Aliah Hidayani Andre Rekasana Arif Habib Fasya Bernathdo Mahendra Robbi Putra Bintang Eka Nugraha Satia Aditama Boedi Setya Rahardja Budiatin, Aniek Setiya Citra Rachmania Wardhani Clara Amelia Kusumawinahyu DARMAWAN SETIA BUDI Desi Nawang Purnamasari Diah Anggraini Wulandari Diah Trie Ridyaning Tias Dian Pebianti Diana Meritasari Dwi Retna Kumala Ningrum Dwi Yuli Pudjiastuti Dwi Yuli Pujiastuti Dwitha Nirmala Dyah Wahjuning Listyarini Eka Ainurrohmah Eka Saputra Endang Dewi Masithah Fatih Riantono Firdha Farah Pramesti Gunanti Mahasri Hairul Hafiz Bin Mahsol Hari Suprapto Harryes, Regil Kentaurus Herlina Maya Saputri Himna Sayyyidatul Islamiyah Ida Bagus Putu Oka Dantika Indah Permata Sari Isnatul Umu Shohifah Khadijah Zai Kismiyati , Lailatul Lutfiyah, Lailatul Lailatul Mubarokah Mardiah Rahma Umami Mardya Syaifudin S Marwah Sifa Safira Mosyafwa Maulida Agustina Md. Jobaidul Alam Md. Jobaidul Alam Merdeka Agus Saputra Mochammad Amin Alamsjah Mohamad Akmal Alwi Husein Mohammad Faizal Ulkhaq Money Carattri Kusuma Werdani Muhammad Arief Muhammad Daffa Al Rasyid Nurhayati Muhammad Dzaky Muhammad Fauzan Muhammad Rahmad Royan Nazhry Zahra Arifah Netty Sreani Nida'an Khofiyyah Nindhita Yusvantika Norma Isnawati Nova Erika Novian Aji Pradana Oemar Moechthar Oktantia Frenny Anggani Patmawati Patmawati Pradityo Dwi Giartama Prayogo Prayogo Prayogo Pristita Widyastuti Puput Puspitasari Putri Garnet Endo Mahata Rahayu Kusdarwati Raseetha Siva Raseetha Vani Siva Manikam Reza Istiqomatul Hidayah Rizky Aprilia Chrisanti Rr. Juni Triastuti Saltsa Arinda Putri Saniya Lailatul Qodriyah Sapta Wijayanti Sapto Andriyono Selvi Oktora Mahanani Setyantini, Woro Hastuti Sharilla Aryananti Abidin Shofy Mubarok Siska Adelia Sitompul Sri Harweni Sri Subekti Sudarno, Sudarno Syifa Fauziyah Tasyarrafa Naf'a Solakhiyah Tjahjaningsih, Wahju Uswatun Khasanah Veryl Hasan Widjiati Widjiati, Widjiati Yaowapha Waiprib Yenta Kusuma Wardhani Yusma Latifatul Ummah

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