Celiac adalah penyakit genetik dengan prevalensi kasus rendah yang menyebabkan penderitanya mengalami gangguan usus halus apabila mengonsumsi pangan mengandung gluten. Penderita Celiac biasanya membatasi konsumsi gluten dalam makanan ringan dari sumber lainnya. Singkong merupakan salah satu komoditas pertanian lokal unggulan Indonesia yang dapat dimanfaatkan sebagai bahan baku pangan non-gluten. Tujuan penelitian ini adalah mengevaluasi komposisi kimia dan tingkat kesukaan panelis terhadap cookies non-gluten dengan subtitusi tepung tulang ikan tongkol (Euthynnus affinis) sebagai upaya pemanfaatan hasil samping perikanan. Cookies non-gluten dengan penambahan 6% tepung tulang ikan tongkol memiliki total karbohidrat dan kadar air lebih rendah, serta kadar abu, protein, dan lemak lebih tinggi dibandingkan dengan cookies kontrol. Hasil sensori menunjukkan bahwa cookies non-gluten dengan penambahan tepung tulang ikan tongkol memiliki tingkat penerimaan paling tinggi berturut-turut, yaitu warna, tekstur, aroma, keseluruhan, dan rasa.
Swim bladders of catfish contain high protein, therefore it is can be used as a raw material for collagen. The study aims to determine the chemical characteristics of swim bladders, the pretreatment of non-collagen, extraction of collagen dissolves acid and to evaluate the characteristics of collagen. The method of this study is KOH pretreatment with a concentration of 0,05; 0,1; and 0,15 for 12 hours. The extraction process is done by soaking the sample in a solution of acetic acid with a concentration of 0,25; 0,5 and 0,75 M (ratio 1:10; b/v) and extraction time for 24; 48; and 72 hours at 4oC. The experimental design used for alkaline and acetic acid pretreatment were factorial completely randomized design. The result showed that the protein content of swim bladder was 85,26% (db), the profile of amino acids were dominated by three amino acids namely glycine (56,85 mg/g), prolyne (31,03 mg/g), and alanyne (23,85 mg/g). Using 0,05 M KOH for 8 h was selected as the best pretreatment method for collagen extraction. Extraction method using 0,50 M acetic for 48 h resulted he best collagen which revealed the existence of a triple helix structure and had Tg 84oC.
Lake Batur has the potential to be a fishery resource that has not been explored and even very little attention from the community and the government so that this resource can be developed optimally. The current condition of lake Batur waters tends to change either naturally or annually or changes due to community activities around the lake. This study aims to determine the feasibility of lake Batur waters as a fish farming business field for the freshwater floating net cage system. Water samples to be tested for water quality and plankton were obtained directly at Lake Batur. The results of plankton abundance at each station were received, at station I (2.070 ind/l), station II (1.477 ind/l), station III (6.975 ind/l), and station IV (2.617 ind/l), station V (2.902 ind/l). The parameters observed are water quality parameters in the form of brightness, temperature, pH, DO, Nitrates, Nitrites, and plankton abundance in Lake Batur Kintamani, Bangli. The results of research on the quality parameters at each station showed different values. The brightness parameters at 5 stations have values in the range of 246-480 cm, temperatures 26-28.3 °C, pH 7.5-8.3, DO 7.1-8.3 mg/L, Nitrates 0.36-0.66 ppm, and Nitrites 0.02-0.04. brightness.
Earthquake of magnitude 9,1-9,3 SR followed by the tsunami caused a damage of mangrove ecosystems and infrastructure in almost all coastal areas of Aceh Province. In this study the data taken are the density, frequency,acover, important value index, diversity index, equitability index, dominance index.and mitigation efforts conducted.by direct interview. The results of this study showed that the species found were Rhizophora apiculata, Rhizophora mucronata, Bruguiera gymnorizha, Ceriops tagal, Avicennia marina, Xylocarpus granatum, Lumnitzera littorea and.Sonneratia caseolaris. Of all mangrove species that found, the type that dominates in almost all stations is Rhizophora apiculata. Mitigation strategy in reducing tsunami threat by maintaining mangrove ecosystem, addition of mangrove ecosystem area and habitat and increasing density. The density used is 1.5 x 1.5 meter and 1 x 1 meter. The local agency has rehabilitated approximately 4,076.25 Ha of mangrove forest area that was once carried by tsunami waves.
Kawasan Pesisir Kecamatan Buleleng terdiri dari Pantai Desa Kalibukbuk, Anturan, Tukad Mungga, Pemaron, Baktiseraga, Banyuasri, Kaliuntu, Kampung Anyar, Kampung Bugis, Kampung Baru, Banyuning, dan Penarukan merupakan kawasan perairan yang berada di pusat Kabupaten Buleleng. Perairan Kecamatan Buleleng memiliki karakteristik subsrat perairan berupa hamparan terumbu karang, patahan karang, pasir yang didominasi oleh pasir hitam, dan berlumpur. Kondisi subsrat memiliki potensi pengembangan wisata muck dive sebagai alternatif wisata bahari yang berkelanjutan. Muck dive merupakan jenis penyelaman yang dilakukan di subsrat berlumpur dengan berfokus untuk menemukan jenis langka dan samar yang jarang ditemukan di terumbu karang. Penelitian bertujuan mengetahui potensi muck dive dengan memperkuat data identifikasi jenis, kelimpahan dan keanekaragaman organisme yang dapat dijadikan sebagai ikon obyek wisata selam. Peneltian menggunakan metode underwater visual sensus dengan mengikuti line transect. Penelitian menunjukkan Perairan Kecamatan Buleleng memiliki potensi pengembangan wisata muck dive dengan karakteristik di setiap perairan desa yang beragam berdasarkan tipe subsrat perairan. Kelimpahan dan keanekaragaman jenis organisme sebagai obyek muck dive tertinggi terdapat di Pantai Desa Baktiseraga, Banyuasri, dan Kaliuntu, sedangkan terendah di Desa Kampung Anyar, Kampung Bugis, Kampung Baru, Banyuning, dan Penarukan. Potensi wisata muck dive layak dikembangkan sebagai alternatif wisata bahari yang dikelola secara berkelanjutan. The coastal area of Buleleng districts consists of Kalibukbuk, Anturan, Tukad Mungga, Pemaron, Baktiseraga, Banyuasri, Kaliuntu, Kampung Anyar, Kampung Bugis, Kampung Baru, Banyuning, and Penarukan are water areas located in the center of Buleleng Regency. The Buleleng districts water have the characteristics of the water substrate in the form of coral reefs, coral fractures, sand dominated by black sand, and muddy. Substrate conditions have the potential to increase muck dive tourism as an alternative to sustainable marine tourism. Muck dive is a type of diving that is carried out in muddy substrates with a focus on finding rare and rare species that are rarely found in coral reefs. This study aims to determine the potential of muck dive by strengthening the identification data of species, abundance and diversity of organisms that can be used as icons of diving tourism objects. The research uses the underwater visual census method by following the line transect.The research shows that the Buleleng districts waters have the potential to develop muck dive tourism with different characteristics in each village waters based on the type of substrate. The highest abundance and diversity of organisms as muck dive objects was found in Baktiseraga, Banyuasri, and Kaliuntu Beaches, while the lowest was in Kampung Anyar, Bugis, Kampung Baru, Banyuning, and Penarukan villages. This potential to be the one of alternative for marine tourism which is must managed sustainably.
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