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Oddrun Anita Gudbrandsen - One of the best experts on this subject based on the ideXlab platform.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.
Gavin J. Macaulay - One of the best experts on this subject based on the ideXlab platform.
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a revised target strength length estimate for Blue Whiting micromesistius poutassou implications for biomass estimates
Ices Journal of Marine Science, 2011Co-Authors: Geir Pedersen, Olav Rune Godø, Egil Ona, Gavin J. MacaulayAbstract:Acoustic abundance estimates of Blue Whiting have generally been higher than estimates based on catch data. One explanation has been that the relationship between acoustic target strength (TS) and length is too low and hence overestimates the number of fish. Measurements of TS were conducted during surveys of Blue Whiting in March/April 2003–2007 to the west of the British Isles from several different measurement platforms, and also during August 2005 in the Norwegian Sea. Results from these experiments confirm the view that the existing TS–length relationship is too low. A new TS–length relationship is proposed that is 5 dB higher. Blue Whiting TS is considerably higher than observed and modelled for a similar species, southern Blue Whiting (Micromesistius australis).
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A revised target strength–length estimate for Blue Whiting (Micromesistius poutassou): implications for biomass estimates
Ices Journal of Marine Science, 2011Co-Authors: Geir Pedersen, Olav Rune Godø, Egil Ona, Gavin J. MacaulayAbstract:Acoustic abundance estimates of Blue Whiting have generally been higher than estimates based on catch data. One explanation has been that the relationship between acoustic target strength (TS) and length is too low and hence overestimates the number of fish. Measurements of TS were conducted during surveys of Blue Whiting in March/April 2003–2007 to the west of the British Isles from several different measurement platforms, and also during August 2005 in the Norwegian Sea. Results from these experiments confirm the view that the existing TS–length relationship is too low. A new TS–length relationship is proposed that is 5 dB higher. Blue Whiting TS is considerably higher than observed and modelled for a similar species, southern Blue Whiting (Micromesistius australis).
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Progress in determining southern Blue Whiting (Micromesistius australis) target strength: results of swimbladder modelling
Ices Journal of Marine Science, 2006Co-Authors: Adam J. Dunford, Gavin J. MacaulayAbstract:Southern Blue Whiting target strength (TS) results from Kirchhoff modelling of swimbladder casts scanned using a hand-held 3D laser scanner are presented. The data are compared with the relationship between TS and fish length used for New Zealand stock-assessment surveys; TS ¼ 21.8 log10( fork length) � 72.8, at 38 kHz. This relationship has its origins in the relationship used for Blue Whiting (Micromesistius poutassou) in the northern hemisphere, and is based on measurements on juvenile cod (Gadus morhua). The results indicate that the Blue Whiting relationship is not appropriate for southern Blue Whiting, and suggest a much steeper slope, with TS ¼ 38 log10( fork length) � 97, at 38 kHz. Sensitivity analyses indicate that further investigations of swimbladder tilt-angle distribution and swimbladder volume are unlikely to provide evidence to support the use of the Blue Whiting relationship for southern Blue Whiting.
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Target strength of southern Blue Whiting (Micromesistius australis) using swimbladder modelling, split beam and deconvolution
Journal of Materials Science, 1998Co-Authors: Sam Mcclatchie, Stuart Hanchet, Gavin J. Macaulay, Roger F. CoombsAbstract:The tilt-averaged target strength, , of southern Blue Whiting (Micromesistius australis) at 38 kHz was measured using swimbladder modelling and two in situ methods. Split beam estimates of for southern Blue Whiting were carefully screened for multiple echoes, but a few useful values of were obtained from the periphery of shoals even at 150-300 m depths. We compare of southern Blue Whiting derived from swimbladder modelling to split beam and deconvolution estimates of . The -length regression for M. australis has similar slope but lower intercept than the published regression for Blue Whiting Micromesistius poutassou. Predicted for M. australis are 2.9 to 4.3 dB lower than for M. poutassou of the same size. In contrast to the swimbladder results, split beam and deconvolution estimates of for M. australis were in line with the -length relationship for M. poutassou. The magnitude of the difference between modelling in situ results could arise from the assumed tilt distribution of fish used in the modelling calculations and the actual, but unknown tilt distribution of the fish in situ. Acquiring information on the tilt distributions of southern Blue Whiting is essential to resolve the measured difference between in situ and modelled estimates of target strength.
Aslaug Drotningsvik - One of the best experts on this subject based on the ideXlab platform.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.
P Montero - One of the best experts on this subject based on the ideXlab platform.
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effect of pressure heat combinations on Blue Whiting micromesistius poutassou washed mince thermal and mechanical properties
Journal of Agricultural and Food Chemistry, 1998Co-Authors: F Fernandezmartin, Miriam Perezmateos, P MonteroAbstract:Washed ground muscle of Blue Whiting was comminuted at low ionic strength and low temperature, and the batter was subjected to different pressure/heat processings. The functionality induced in the ...
Svein Are Mjøs - One of the best experts on this subject based on the ideXlab platform.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.
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Effects of intact and hydrolysed Blue Whiting proteins on blood pressure and markers of kidney function in obese Zucker fa/fa rats
European Journal of Nutrition, 2020Co-Authors: Aslaug Drotningsvik, Åge Oterhals, Svein Are Mjøs, Linn Anja Vikøren, Ola Flesland, Oddrun Anita GudbrandsenAbstract:Purpose To investigate the effects of diets containing intact or hydrolysed proteins from Blue Whiting ( Micromesistius poutassou ) on the development of high blood pressure and markers of kidney function in obese Zucker fa/fa rats which are prone to develop hypertension and renal failure. Methods Male rats were fed isocaloric diets containing either intact Blue Whiting whole meal (BW-WM), Blue Whiting protein hydrolysate prepared with Alcalase^® (BW-HA) or Blue Whiting protein hydrolysate prepared with Protamex^® (BW-HP) as 1/3 of total protein with the remaining 2/3 as casein, or casein as sole protein source (control group). Blood pressure was measured at Day 0 and Day 32. Rats were housed in metabolic cages for 24 h for collection of urine in week 4. After 5 weeks, rats were euthanized and blood was drawn from the heart. The renin and angiotensin-converting enzyme (ACE) inhibition capacities for casein and Blue Whiting proteins were measured in vitro. Results The blood pressure increase was lower in rats fed diets containing Blue Whiting proteins when compared to the control group, whereas markers of kidney function were similar between all groups. The three Blue Whiting proteins inhibited renin activity in vitro, whereas casein had no effect. The in vitro ACE inhibition was similar for casein, BW-WM and BW-HP proteins, whereas BW-HA protein was less potent. Conclusion Blue Whiting protein feeding attenuated the blood pressure increase in obese Zucker fa/fa rats, possibly mediated through the renin–angiotensin system and without affecting markers of kidney function.