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Journal articles on the topic 'Tuna viscera'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Nurhayati, T., B. Ibrahim, R. Rahmawati, I. D. Pamungkas, and P. A. Qanitia. "Characterization of trypsin enzyme extracted from intestines of yellowfin tuna (Thunnus albacares) and bigeye tuna (Thunnus obesus) from Indonesian seawater." Food Research 7, no. 6 (2023): 160–67. http://dx.doi.org/10.26656/fr.2017.7(6).020.

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Recently, there has been a major concern about fisheries waste produced by tuna processing factories. There are many ways to handle the waste from tuna processing factories, specifically the tuna viscera which contains the stomach, pyloric caeca, kidneys, and intestines. The tuna viscera have been known as a source of digestive enzymes, one of them is a protease, including trypsin. The objective of this research was to analyze the enzymatic characteristic of trypsin extracted from two different tuna species. In this study, the trypsin extracted from the intestines of yellowfin and bigeye tuna

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2

Faiza A. Dali. "Proximate Composition and Amino Acid Composition in the Viscera of Skipjack Tuna (Katsuwonus pelamis)." International Journal of Scientific Research in Science and Technology 11, no. 6 (2024): 748–56. https://doi.org/10.32628/ijsrst241161130.

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The viscera of skipjack tuna (Katsuwonus pelamis) is often regarded as an underutilised waste in the fishing industry, with approximately 20% of the total weight of skipjack waste being discarded, which presents a cost burden for producers. Although skipjack tuna has been studied previously, the nutritional potential of its viscera as a food source still requires further exploration. Therefore, this study aims to evaluate the nutritional content of skipjack tuna viscera obtained from the fish processing industry. Analysis was conducted on the proximate composition, including moisture, protein,

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3

Krasae, K., W. Worawattanamateekul, and J. HInsui. "Effects of peptide fractions and amino acids on antioxidant properties of autolyzed tuna viscera protein hydrolysate." Food Research 7, no. 5 (2023): 156–63. http://dx.doi.org/10.26656/fr.2017.7(5).270.

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Tuna viscera as a common waste product from the tuna processing industry contributes to environmental pollution. The effects were determined of peptide fractions and amino acids on the antioxidant properties of protein hydrolysate from tuna viscera. We converted this waste into protein hydrolysate, a high added-value product, using autolysis. Tuna protein hydrolysate was fractionated by ultrafiltration into four fractions (>10 kDa, 5–10 kDa, 1–5 kDa and <1 kDa) and each was examined for its antioxidant properties (DPPH, ABTS, FRAP and metal chelating) and amino acids composition. The MW

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4

Nugroho, Galih, Arning Wilujeng Ekawati, and Hartati Kartikaningsih. "Characteristics of Tuna Viscera (Thunnus sp.) Hydrolysate Protein Fermented by Bacillus licheniformis." Research Journal of Life Science 7, no. 2 (2020): 101–7. http://dx.doi.org/10.21776/ub.rjls.2020.007.02.4.

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This study aims to analyze the nutritional composition of the degree of hydrolysis and amino acids in the internal organ waste of tuna and the protein hydrolyzate of tuna's internal organs after fermentation using the Bacillus licheniformis bacteria. The analysis showed that the protein content of tuna offal was 53.52%, and after fermentation by Bacillus licheniformis, bacteria were able to increase protein levels from 56.04. The degree of hydrolysis of protein (DH) showed an increase of 13.24% in tuna offal to 22.28% of protein hydrolyzates are fermented tuna innards. The total essential amin

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5

Derouiche Ben Maiz, Habiba, Emilia M. Guadix, Antonio Guadix, Mohamed Gargouri, and Francisco Javier Espejo‐Carpio. "Valorisation of tuna viscera by endogenous enzymatic treatment." International Journal of Food Science & Technology 54, no. 4 (2018): 1100–1108. http://dx.doi.org/10.1111/ijfs.14009.

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6

Klomklao, S., and S. Benjakul. "Utilization of Tuna Processing Byproducts: Protein Hydrolysate from Skipjack Tuna (Katsuwonus pelamis ) Viscera." Journal of Food Processing and Preservation 41, no. 3 (2016): e12970. http://dx.doi.org/10.1111/jfpp.12970.

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7

Hursepuny, Joshua J., Trijunianto Moniharapon, and Meigy M. Mailoa. "KARAKTERISTIK KIMIA DAN MIKROBIOLOGI BAKASANG JEROAN IKAN TUNA SIRIP KUNING (Thunnus Albacares)." INASUA: Jurnal Teknologi Hasil Perikanan 1, no. 2 (2021): 86–99. http://dx.doi.org/10.30598/10.30598/jinasua.2021.1.2.86.

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Tuna is a raw material with low quality if not utilized it can cause environmental problems, therefore processing is necessary to increase added value. Tuna fish innards are processed traditionally by fermenting them into bakasang. This study aims to determine the chemical and microbiological quality of the viscera of yellowfin tuna (Thunnus Albacares). The method used is an experimental method with the treatment carried out is a salt concentration of 10%, 20%, 30%, and the duration of fermentation is 2 weeks, 4 weeks, 6 weeks. Objective tests carried out in the study included water content, p

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8

Tran, Thi Ngoc, Chien Thang Doan, Van Bon Nguyen, Anh Dzung Nguyen, and San-Lang Wang. "Conversion of Fishery Waste to Proteases by Streptomyces speibonae and Their Application in Antioxidant Preparation." Fishes 7, no. 3 (2022): 140. http://dx.doi.org/10.3390/fishes7030140.

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Proteinaceous wastes from the fishery process are an abundant renewable resource for the recovery of a variety of high-value products. This work attempted to utilize several proteinaceous wastes to produce proteases using the Streptomyces speibonae TKU048 strain. Among different possible carbon and nitrogen sources, the protease productive activity of S. speibonae TKU048 was optimal on 1% tuna head powder. Further, the casein/gelatin/tuna head powder zymography of the crude enzyme revealed the presence of three/nine/six proteases, respectively. The crude-enzyme cocktail of S. speibonae TKU048

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9

BANZE, Jorge Filipe, Maria Fernanda Oliveira SILVA, Dariane Beatriz Schoffen ENKE, and Débora Machado FRACALOSSI. "Acid silage of tuna viscera: production, composition, quality and digestibility." Boletim do Instituto de Pesca 43, especial (2017): 24–34. http://dx.doi.org/10.20950/1678-2305.2017.24.34.

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10

Thanh, Le Tat. "SURVEY ON TOTAL LIPID CONTENT AND COMPOSITION OFFATTY ACIDS FROM HEAD AND VISCERA OF TUNA." Vietnam Journal of Science and Technology 54, no. 2C (2018): 486. http://dx.doi.org/10.15625/2525-2518/54/2c/11878.

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In this study, 16 samples including 8 head samples and visceral samples of tuna species incentral Vietnam coast are collected and serveyed the composition and content of fatty acids inthe total lipid. The obtained results show that the total lipid content in the head samples rangefrom 4.5 % to 11.7 % weight of fresh samples, particularly, the total lipid content of MT1 (headof Thunnusobesus) and VV1 (head of Thunnusalbacares) reached 14.2 % and 14.8 %. Invisceral samples, the total lipid content ranges from 2.3 % to 6.5 % compared with the weight offresh sample. We also identified 37 kinds of

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11

Nurhayati, Tati, Wahyu Ramadhan, and Tubagus Fatahilah Kerta Raharja. "Microencapsulation of trypsin from the intestine of yellowfin tuna (Thunnus Albacares)." IOP Conference Series: Earth and Environmental Science 1033, no. 1 (2022): 012058. http://dx.doi.org/10.1088/1755-1315/1033/1/012058.

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Abstract Fish viscera is one of the waste products from fisheries that have not been widely used it tends to be disposed of more. Whereas in fish innards there are some enzymes including the trypsin found in the intestines. To increase the added value of fish viscera, a study on the extraction and microencapsulation of trypsin from fish intestines was carried out. This study aimed to analyze the activity of the trypsin from tuna intestine microencapsulated using maltodextrin. The concentrations of maltodextrin used were 0%, 1%, 2%, and 3% w/v. The microencapsulated enzymes were then dried usin

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Garwan, Rahmatia, Hanifah Nuryani Lioe, Tati Nurhayati, Nancy Dewi Yuliana, Supriyono Supriyono, and Harsi Dewantari Kusumaningrum. "Volatile Compounds Detected by SPME-GC-MS in Fish Viscera Extracts with Attractant Activity Against House Fly Musca Domestica from Chemometric FTIR Fingerprints." Sains Malaysiana 52, no. 9 (2023): 2599–612. http://dx.doi.org/10.17576/jsm-2023-5209-10.

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Fish viscera has been locally applied as fly attractant in North Moluccas. The objective of this study was to evaluate the efficacy of attractant from fish viscera extracts and to determine the indispensable active extracts with chemometric FTIR fingerprints, as well as to characterize volatile compounds of the extracts. Attractant activity against house fly Musca domesctica and FTIR spectra were analyzed for the ethanol, acetone and hexane extracts of stomach, intestines, liver, and combination of the viscera from skipjack tuna stored for 1-2 days at room temperature. SPME-GC-MS analysis was

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13

Vaske Júnior, Teodoro. "Are deep-sea cephalopods really common preys for oceanic seabirds?" Biota Neotropica 11, no. 1 (2011): 177–80. http://dx.doi.org/10.1590/s1676-06032011000100018.

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An analysis of published data on oceanic seabirds diets, show the predominance of muscular cephalopods with superficial distribution in the oceanic layers, but also important are the gelatinous and ammoniacal species restrict to layers below 300 m from the surface. In principle, it could be not expected that deep-sea cephalopods are common prey for seabirds like several authors have been concluded. It is proposed in this study that an indirect source, important and easily attainable, have been appeared with the beginning of tuna longline operations. The habit to feed upon viscera of the fishes

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14

Blank, Jason M., Jeffery M. Morrissette, Peter S. Davie, and Barbara A. Block. "Effects of temperature, epinephrine and Ca2+ on the hearts of yellowfin tuna (Thunnus albacares)." Journal of Experimental Biology 205, no. 13 (2002): 1881–88. http://dx.doi.org/10.1242/jeb.205.13.1881.

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SUMMARYTuna are endothermic fish with high metabolic rates, cardiac outputs and aerobic capacities. While tuna warm their skeletal muscle, viscera, brain and eyes, their hearts remain near ambient temperature, raising the possibility that cardiac performance may limit their thermal niches. We used an in situ perfused heart preparation to investigate the effects of acute temperature change and the effects of epinephrine and extracellular Ca2+ on cardiac function in yellowfin tuna (Thunnus albacares). Heart rate showed a strong temperature-dependence, ranging from 20 beats min-1 at 10 °C to 109

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15

Kang, Kil-Yoon, Dong-Hyun Ahn, Sun-Mi Jung, Dong-Hun Kim, and Byung-Soo Chun. "Separation of protein and fatty acids from tuna viscera using supercritical carbon dioxide." Biotechnology and Bioprocess Engineering 10, no. 4 (2005): 315–21. http://dx.doi.org/10.1007/bf02931848.

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16

López-Álvarez, Miriam, Paula Souto-Montero, Salvador Durán, et al. "Valuable Ca/P Sources Obtained from Tuna Species’ By-Products Derived from Industrial Processing: Physicochemical and Features of Skeleton Fractions." Recycling 9, no. 6 (2024): 109. http://dx.doi.org/10.3390/recycling9060109.

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The global tuna canning industry generates substantial volumes of by-products, comprising 50% to 70% of the total processed material. Traditionally, these by-products have been utilized in low-value products such as fish oils and fishmeal. However, there is significant potential to extract high-value compounds from these by-products, such as calcium phosphates (CaP), which can have pharmaceutical, agricultural and biotechnological applications. This work explores the potential of tuna canning by-products, particularly mineral-rich fractions (central skeleton, head and fish bones) as sources of

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17

Koo, Jae-Geun, and Ho Young Chang. "Physicochemical characteristics of mackerel and tuna viscera as baits for swimming crab Portunus trituberculatus pots." Journal of the Korean society of Fisheries Technology 50, no. 3 (2014): 310–17. http://dx.doi.org/10.3796/ksft.2014.50.3.310.

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18

Ovissipour, Mahmoudreza, Abdolmohammad Abedian Kenari, Rajabmohammad Nazari, Ali Motamedzadegan, and Barbara Rasco. "Tuna viscera protein hydrolysate: nutritive and disease resistance properties for Persian sturgeon (Acipenser persicusL.) larvae." Aquaculture Research 45, no. 4 (2012): 591–601. http://dx.doi.org/10.1111/j.1365-2109.2012.03257.x.

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19

Siripongvutikorn, Sunisa, Worapong Usawakesmanee, and Kanrawee Hunsakul. "Utilization of tuna roe and using inulin as oil replacer for producing value added omega-3 mayonnaise product." Functional Foods in Health and Disease 6, no. 3 (2016): 158. http://dx.doi.org/10.31989/ffhd.v6i3.242.

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Background: Fishery industry has been important for Thai’s economic more than 30 years. It leads Thailand to be the one of world’s largest canned tuna producer and exporter. However, mainly white meat part is used in canned tuna product while the waste comprises roe, viscera, head and dark meat is sold to feed meal plant or sold as cheap material even its nutritive value is still high. There is well know that sea fish as tuna is a good source of polyunsaturated fatty acid (PUFA) such as Eicosapentaenoic acid (EPA) and Docosahexanoic acid (DHA). Many people around the world play more attention

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20

Siripongvutikorn, Sunisa, Ruttiya Asksonthong, and Worapong Usawakesmanee. "Evaluation of harmful heavy metal (Hg, Pb and Cd) reduction using Halomonas elongata and Tetragenococcus halophilus for protein hydrolysate product." Functional Foods in Health and Disease 6, no. 4 (2016): 195. http://dx.doi.org/10.31989/ffhd.v6i4.240.

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Background: Fermented fish is one form of natural protein hydrolysate has been reported to have many health benefits such as antihypertensive, antioxidative activity and anti-inflammatory peptides. However, as known that toxic heavy metal is widely spread and entered throughout the food chain particularly in tuna internal organ which is widely used to process fermented product or discharged to be fish meal. Consumption of fermented tuna viscera containing heavy metal is risky. Detoxifying and/ or reducing those toxic elements is more interesting particularly by using bacterial cells and their

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21

Patil, Umesh, Jirakrit Saetang, Bin Zhang, and Soottawat Benjakul. "Use of Tuna Visceral Pepsin in Combination with Trypsin as Digestion Aid: Enhanced Protein Hydrolysis and Bioavailability." Foods 12, no. 1 (2022): 125. http://dx.doi.org/10.3390/foods12010125.

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Freeze-dried tuna pepsin powder (TPP) was prepared using maltodextrin (10%) and trehalose (5%), while trypsin-loaded beads (TLB) with 5% glycerol were obtained via chitosan/alginate ionotropic gelation. The storage stability of TPP and TLB and their proteolytic activity toward red kidney bean protein (RKB), threadfin bream surimi (TBS) and egg white protein (EWP) in varying simulated in vitro gastrointestinal (GI) tract conditions were studied. The intestinal transepithelial transportation of generated peptides was also carried out through Caco-2 cell monolayers after the cytotoxicity test. En

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22

Putra, Debriga, Henny A. Dien, Roike I. Montolalu, et al. "Efek Suhu dan Waktu Simpan terhadap Kualitas Bagian Tengah Yellowfin Tuna Segar (Thunnus albacares)." Media Teknologi Hasil Perikanan 8, no. 3 (2020): 100. http://dx.doi.org/10.35800/mthp.8.3.2020.29537.

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Decline quality of Tuna as a result of abuse temperature and long shelf life time. Histamine, microbial and sensory odours become one of the global problems that can cause health problems. Large number of bacteria dominated in viscera area rather than other fish parts. This study was conducted to determine the effect of storage temperature on histamine, microbial and sensory odours on middle of Yellowfin Tuna. This study used descriptive explorative method, sampel were periodically taken for analyses at intervals 48 hours (0ºC), 8 hours (10ºC) and 4 hours (25ºC). Yellowfin Tuna was rejected ea

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Naghdi, Shahab, Masoud Rezaei, Mehdi Tabarsa, and Mehdi Abdollahi. "Extraction of sulfated polysaccharide from Skipjack tuna (Katsuwonus pelamis) viscera using alcalase enzyme and rainbow trout (Oncorhynchus mykiss) visceral semi-purified alkaline proteases." Sustainable Chemistry and Pharmacy 32 (May 2023): 101033. http://dx.doi.org/10.1016/j.scp.2023.101033.

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RAMADHAN, ZULFA AULIA, TITI CANDRA SUNARTI, and ANJA MERYANDINI. "The role of Pediococcus pentosaceus IL13 in the fermentation of tuna waste, Euthynnus affinis." Jurnal Natural 25, no. 1 (2025): 25–32. https://doi.org/10.24815/jn.v25i1.43091.

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Processing tuna fish (Euthynnus affinis) produces wastes like heads, tails, and viscera, which can pollute the environment. However, this waste is nutrient-rich and can serve as a source of peptones, antimicrobials, and antioxidants. Align with Sustainable Development Goals (SDGs) through the zero-waste concept, which emphasizes reducing waste production, this study aims to analyze the role of Pediococcus pentosaceusIL13 in the fermentation of tuna fish waste. The fermentation process was conducted over 30 days using two types of fermentation, spontaneously and with the addition of P. pentosac

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Lee, Sang-Min, Minh Anh Pham, and Il-Shik Shin. "Partial Replacement of Fish Meal by Fermented Skipjack Tuna Viscera in Juvenile Olive Flounder (Paralichthys olivaceus) Diets." Fisheries and aquatic sciences 12, no. 4 (2009): 305–10. http://dx.doi.org/10.5657/fas.2009.12.4.305.

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26

Papuangan, Nurmaya, Srimaya Maswara, Hasna Ahmad, and Nurhasanah Nurhasanah. "Diversity and Enumeration of Lactic Acid Bacteria in Traditional Fermented Fish Product Bakasang from Bacan and Sanana, North Maluku." Jurnal Bioedukasi 8, no. 1 (2025): 505–15. https://doi.org/10.33387/bioedu.v8i1.9759.

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Bakasang is a fermented fish product traditionally made using the viscera (internal organs) of tuna (Thunnus spp.) and skipjack tuna (Katsuwonus pelamis), with the addition of a high concentration of salt, typically around 20% or more. The fermentation process occurs naturally and spontaneously through the activity of indigenous microorganisms, particularly those belonging to the lactic acid bacteria (LAB) group. LAB are Gram-positive, catalase-negative bacteria capable of producing lactic acid, which plays a crucial role in preservation and flavor development, and also possesses potential pro

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27

Chotikachinda, R., C. Tantikitti, S. Benjakul, T. Rustad, and E. Kumarnsit. "Production of protein hydrolysates from skipjack tuna (Katsuwonus pelamis) viscera as feeding attractants for Asian seabass (Lates calcarifer)." Aquaculture Nutrition 19, no. 5 (2013): 773–84. http://dx.doi.org/10.1111/anu.12024.

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Besas, Jesebel R., and Erlinda I. Dizon. "Influence of Salt Concentration on Histamine Formation in Fermented Tuna Viscera (<i>Dayok</i>)." Food and Nutrition Sciences 03, no. 02 (2012): 201–6. http://dx.doi.org/10.4236/fns.2012.32029.

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29

Vazquez, Jose A., Maria I. Montemayor, Javier Fraguas, and Miguel A. Murado. "Hyaluronic acid production by Streptococcus zooepidemicus in marine by-products media from mussel processing wastewaters and tuna peptone viscera." Microbial Cell Factories 9, no. 1 (2010): 46. http://dx.doi.org/10.1186/1475-2859-9-46.

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Ansar, Novalina Maya Sari, and Frans Gruber Ijong. "POTENSI PENGOLAHAN HASIL PERIKANAN DI KAMPUNG MAHUMU KABUPATEN KEPULAUAN SANGIHE." Jurnal Ilmiah Tindalung 9, no. 2 (2023): 5–10. http://dx.doi.org/10.54484/jit.v9i2.488.

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Kampung Mahumu terletak di salah satu pulau di Kabupaten Kepulauan Sangihe. Potensi sumber daya perikanan laut di kampung Mahumu cukup besar untuk dikembangkan, karena letak kampung Mahumu yang dikelilingi oleh lautan. Akan tetapi, hingga sekarang potensi sumber daya perikanan laut di kampung Mahumu belum pernah diteliti. Tujuan penelitian ini, yaitu mengidentifikasi potensi sumber daya perikanan laut khususnya pengolahan hasil perikanan di Kampung Mahumu. Penelitian ini dapat memberikan informasi dan kajian dalam pengembangan potensi perikanan di Kampung Mahumu. Penelitian ini menggunakan met

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Boonbumrung, Sumitra, Nantipa Pansawat, Pramvadee Tepwong, and Juta Mookdasanit. "Effect of Maillard reaction with xylose, yeast extract and methionine on volatile components and potent odorants of tuna viscera hydrolysate." Fisheries and Aquatic Sciences 26, no. 6 (2023): 393–405. http://dx.doi.org/10.47853/fas.2023.e33.

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Hernandez, Crisantema, Jazmin Sarmiento-Pardo, Blanca Gonzalez-Rodriguez, and Isabel Abdo Parra de la. "Replacement of fish meal with co-extruded wet tuna viscera and corn meal in diets for white shrimp (Litopenaeus vannamei Boone)." Aquaculture Research 35, no. 12 (2004): 1153–57. http://dx.doi.org/10.1111/j.1365-2109.2004.01139.x.

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Hernández-López, María, and Diego Romero. "Chronic Microplastic Exposure and Cadmium Accumulation in Blue Crabs." International Journal of Environmental Research and Public Health 19, no. 9 (2022): 5631. http://dx.doi.org/10.3390/ijerph19095631.

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Aquatic ecosystems are severely threatened by the presence of a multitude of pollutants. In seas and oceans, the amount of plastics continues to increase and there is great concern about toxic element accumulation. Specifically, cadmium (Cd), a toxic metal, is highly relevant to public health safety due to its ability to accumulate in the internal tissues of crustaceans; likewise, microplastics (MPs) are emerging as pollutants capable of causing alterations in marine organisms. The aim of this study was thus to evaluate the accumulation and distribution of Cd in the tissue of blue crabs (Calli

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Pham, Hung Duc, Muhammad A. B. Siddik, Hoang Minh Le, Manh Van Ngo, Minh Van Nguyen, and David Francis. "Effects of Dietary Tuna Viscera Hydrolysate Supplementation on Growth, Intestinal Mucosal Response, and Resistance to Streptococcus iniae Infection in Pompano (Trachinotus blochii)." Aquaculture Nutrition 2022 (May 18, 2022): 1–14. http://dx.doi.org/10.1155/2022/3645868.

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The effects of tuna viscera hydrolysate (TVH) on juvenile pompano Trachinotus blochii, growth performance, nutritional response, intestinal and liver health, and resistance to Streptococcus iniae were investigated in this study. Five isonitrogenous and isocaloric diets (protein 46.0%, lipid 10.0%) were formulated in which TVH was added to replace fishmeal protein at levels of 0 (control), 30, 60, 90, and 120 g kg-1, labelled as TVH0, TVH05, TVH10, TVH15, and TVH20, respectively. Triplicate groups of pompano were fed the respective diets for ten weeks. The results showed that fish fed diets con

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ISHIHARA, YUKIO, CHIERI NAKATA, MINORU MORIMOTO, NOBUHIRO MORI, and FUMIO WATANABE. "Free amino acid and mineral contents in viscera of bluefin tuna Thunnus orientalis unloaded in Sakai fishing port, Tottori Prefecture." NIPPON SUISAN GAKKAISHI 79, no. 3 (2013): 433–35. http://dx.doi.org/10.2331/suisan.79.433.

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36

Dissaraphong, Sirima, Soottawat Benjakul, Wonnop Visessanguan, and Hideki Kishimura. "The influence of storage conditions of tuna viscera before fermentation on the chemical, physical and microbiological changes in fish sauce during fermentation." Bioresource Technology 97, no. 16 (2006): 2032–40. http://dx.doi.org/10.1016/j.biortech.2005.10.007.

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Marantika, Alexander, and Made Maharani. "Proximate Evaluation of Fermented Tuna Viscera Substituted with Fish Meal on Growth, FCR, Protein Retention, and Enzyme Activity of Striped Catfish Fry." Egyptian Journal of Aquatic Biology and Fisheries 29, no. 3 (2025): 1009–23. https://doi.org/10.21608/ejabf.2025.429333.

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38

Fudge, Douglas S., E. Don Stevens, and James S. Ballantyne. "No evidence for homeoviscous adaptation in a heterothermic tissue: tuna heat exchangers." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 275, no. 3 (1998): R818—R823. http://dx.doi.org/10.1152/ajpregu.1998.275.3.r818.

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Many poikilotherms are known to adjust the membrane composition of their cells in response to a temperature change so that membrane fluidity, and therefore function, is conserved. Such compensatory changes in membrane composition are considered “homeoviscous adaptations.” In this study, we examined a heterothermic tissue, the visceral rete mirabile of the bluefin tuna, for evidence of homeoviscous adaptation. We measured the proportions of phospholipid fatty acids and phospholipid head groups as a function of position along the rete thermal gradient, which has been estimated to be ∼10°C. We fo

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Ovissipour, Mahmoudreza, Abdolmohammad Abedian Kenari, Ali Motamedzadegan, Barbara Rasco, and Rajab Mohammad Nazari. "Optimization of Protein Recovery During Hydrolysis of Yellowfin Tuna (Thunnus albacares) Visceral Proteins." Journal of Aquatic Food Product Technology 20, no. 2 (2011): 148–59. http://dx.doi.org/10.1080/10498850.2010.548910.

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Ovissipour, Mahmoudreza, Abdolmohammad Abedian Kenari, Ali Motamedzadegan, and Rajab Mohammad Nazari. "Optimization of Enzymatic Hydrolysis of Visceral Waste Proteins of Yellowfin Tuna (Thunnus albacares)." Food and Bioprocess Technology 5, no. 2 (2010): 696–705. http://dx.doi.org/10.1007/s11947-010-0357-x.

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Fudge, D. S., E. D. Stevens, and J. S. Ballantyne. "Enzyme adaptation along a heterothermic tissue: the visceral retia mirabilia of the bluefin tuna." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 272, no. 6 (1997): R1834—R1840. http://dx.doi.org/10.1152/ajpregu.1997.272.6.r1834.

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We measured enzyme activities along a heterothermic tissue, the visceral retia mirabilia of the bluefin tuna, to test current theories of enzyme temperature adaptation. The heterothermic tissue model is ideal for the study of fundamental temperature adaptation because it eliminates confounding effects of whole animal acclimation. Enzymes were measured at six positions along the rete at four temperatures (15, 20, 25, and 30 degrees C). Five enzymes (aspartate aminotransferase, citrate synthase, glucose-6-phosphate dehydrogenase, glutamate dehydrogenase, and pyruvate kinase) exhibited a signific

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Corrêa, Gabriel Vidinha, Gabriela Belo da Silva, and Roberto Henrique Seidel. "As contribuições de Yi-Fu Tuan para os estudos do espaço literário." Pontos de Interrogação – Revista de Crítica Cultural 14, no. 1 (2024): 61–75. https://doi.org/10.30620/pdi.v14n1.p61.

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Os estudos sobre as relações afetivas que os homens estabelecem com lugar é o tema principal que transita entre as obras do geógrafo sino-americano Yi-Fu Tuan. É no cerne da Geografia Humanista Cultural, de abordagem fenomenológica, que Tuan desenvolve conceitos importantes tornando possível o diálogo profícuo com a experiência do texto literário, quais sejam, espaço, lugar, topofilia, experiência, espaciosidade, apinhamento, no empreendimento daquilo que o geógrafo Eric Dardel chama atenção sobre realidade geográfica trazer à tona a ideia da Terra como um texto a decifrar e os signos que comp

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Clark, T. D., B. D. Taylor, R. S. Seymour, et al. "Moving with the beat: heart rate and visceral temperature of free-swimming and feeding bluefin tuna." Proceedings of the Royal Society B: Biological Sciences 275, no. 1653 (2008): 2841–50. http://dx.doi.org/10.1098/rspb.2008.0743.

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Ikebe, Emi, Nichole Fife-Koshinomi, Takashi Matsumoto, Takaaki Yahiro, Taichi Ikebe, and Hidekatsu Iha. "Antiobesity and Anti-Inflammatory Effects of Orally Administered Bonito Extracts on Mice Fed a High-Fat Diet." Evidence-Based Complementary and Alternative Medicine 2017 (2017): 1–13. http://dx.doi.org/10.1155/2017/9187167.

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Background. The condensed fermentative extract of bonito (BoE), skipjack tuna (Katsuwonus pelamis), has claimed its health conditioning effects against lifestyle-related diseases such as hypertension and type 2 diabetes. Methods. We evaluated the antiobesity and anti-inflammatory effects of BoE on mice fed a high-fat diet (HFD). Mice (9 weeks of age) were maintained for 11 weeks on HFD with or without BoE (50 mg or 500 mg/kg). Results. Compared with untreated mice, BoE50 or BoE500 mice achieved maximum weight reductions of 7.4% (males) and 11.4% (females), and visceral fat in male BoE500 mice

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Bestley, Sophie, Toby A. Patterson, Mark A. Hindell, and John S. Gunn. "Feeding ecology of wild migratory tunas revealed by archival tag records of visceral warming." Journal of Animal Ecology 77, no. 6 (2008): 1223–33. http://dx.doi.org/10.1111/j.1365-2656.2008.01437.x.

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Bernal, Diego, Chugey Sepulveda, and Jeffrey B. Graham. "Water-tunnel studies of heat balance in swimming mako sharks." Journal of Experimental Biology 204, no. 23 (2001): 4043–54. http://dx.doi.org/10.1242/jeb.204.23.4043.

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SUMMARY The mako shark (Isurus oxyrinchus) has specialized vascular networks (retia mirabilia) forming counter-current heat exchangers that allow metabolic heat retention in certain regions of the body, including the aerobic, locomotor red muscle and the viscera. Red muscle, white muscle and stomach temperatures were measured in juvenile (5–13.6 kg) makos swimming steadily in a water tunnel and exposed to stepwise square-wave changes in ambient temperature (Ta) to estimate the rates of heat transfer and to determine their capacity for the activity-independent control of heat balance. The rates

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Campos, Rafael, and Thiago Liberdade. "Experienciar a máscara colonial." PÓS: Revista do Programa de Pós-graduação em Artes da EBA/UFMG 14, no. 32 (2024): 527–54. http://dx.doi.org/10.35699/2238-2046.2024.52663.

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Tuca Malungo, um tigre ancestral, manifesta-se no corpo do primeiro autor em aparições queconfrontam a anestesia do liberalismo existencial que imuniza afetos. Sua máscara colonial acionadores ancestrais que persistem na contemporaneidade, visibiliza o que a amnésia social apaga e promove uma conexão visceral com o real. A obra é enriquecida pela poética do segundo autor, cujas fotografias e ensaio visual ativam outras camadas do sensível. Apresenta-se a corpografia, uma cartografia com e no corpo negro, no e do jardim da Faculdade de Belas Artes da Universidade do Porto, como tática de (des)(

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Shiomi, Kazuo. "Tetramine in the Salivary Glands of Marine Carnivorous Snails: Analysis, Distribution, and Toxicological Aspects." Journal of Marine Science and Engineering 10, no. 1 (2021): 6. http://dx.doi.org/10.3390/jmse10010006.

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Focusing on tetramine, tetramethylammonium ion, contained in the salivary glands of marine carnivorous snails, this paper gives an overview of analytical methods, distribution in marine snails, and toxicological aspects. Some Neptunea snails have often caused food poisoning in North Atlantic and Northeast Asia regions, especially in Japan. The toxin of both N. arthritica and N. antiqua was first proven to be tetramine in 1960. Subsequent research on marine snail tetramine has progressed with the development of analytical methods. Of the various methods developed, the LC/ESI-MS method is most r

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Fiddian-Green, Alice. "Gendered Triple Standard and Biomedical Management of Perinatal and Maternal Opioid Use Disorder in the United States." Journal of Extreme Anthropology 3, no. 2 (2019): 21–43. http://dx.doi.org/10.5617/jea.6720.

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Despite trends towards treatment versus punitive-based approaches to addressing opioid use disorders (OUD) in the United States, pregnant and parenting women with OUD remain highly stigmatized, their maternal fitness routinely contested. Biomedical conceptions of OUD as a chronic, relapsing condition often run counter to the abstinence-based models enforced across the myriad institutions that manage OUD, particularly for women whose maternal status is contingent on treatment enrollment and adherence. Exposure to trauma is considered to be nearly universal among women with OUD; biomedical class

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Pérez, Andrés Felipe. "Presentación: Educación, valores y comprensiones para Ser." Revista Boletín Redipe 14, no. 5 (2025): 19–25. https://doi.org/10.36260/h0gg1h71.

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El número 14/5 de la Revista Boletín Redipe sigue aportando elementos reflexivos, teóricos y metodológicos relevantes para fortalecer los procesos formativos, investigativos y las prácticas educativas y sociales para potenciar, en particular, el desarrollo de de los valores y la comprensión. Veamos. LA COMPRENSIÓN COMO FORMA DE VIDA: LA PRÁCTICA EDUCATIVA Y EL SER DE LA EDUCACIÓN (PARTE II). En esta editorial Julio César Arboleda expone la segunda parte del artículo publicado en el número anterior. Para desarrollar su idea en torno a la comprensión como forma de vida, propone una reflexión y m

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