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Surimi wash water treatment by chito...
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Wibowo, Singgih.
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Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment.
紀錄類型:
書目-電子資源 : Monograph/item
正題名/作者:
Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment./
作者:
Wibowo, Singgih.
面頁冊數:
123 p.
附註:
Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 5859.
Contained By:
Dissertation Abstracts International64-12B.
標題:
Agriculture, Food Science and Technology. -
電子資源:
http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3116167
ISBN:
0496636030
Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment.
Wibowo, Singgih.
Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment.
- 123 p.
Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 5859.
Thesis (Ph.D.)--Oregon State University, 2004.
Soluble surimi wash water (SWW) proteins could be recovered using chitosan (Chi) complexed with alginate (Chi-Alg) generating co-products for feed formulations. Chi with a degree of deacetylation (DD) of 84% complexed with Alg at a mixing ratio (MR) of 0.2 was used to study Chi-Alg concentration and treatment time protein recovery effects. Insoluble SWW solids were removed by centrifugation and the supernatant was then adjusted to pH 6. Flocculation at 20°C using Chi-Alg at 20, 40, 100 and 150 mg/L SWW was aided by 5 min agitation and holding for 30 min, 1h and 24h. Concentration had an effect between low (20 and 40 mg/L) and high (100 and 150 mg/L) levels. Time had an effect between 30 min and 1h but not between 1 and 24h. Turbidity reduction was affected only by concentration. 100 mg Chi-Alg/L SWW for 1h achieved 83% protein adsorption and 97% turbidity reduction while lower concentrations yielding higher adsorption required longer times. Fourier Transform Infrared (FTIR) analysis of untreated and Chi-Alg treated SWW solids confirmed protein adsorption. Amide band areas normalized against a common 3005--2880 cm-1 region confirmed the high protein recovery by 100 mg Chi-Alg/L SWW. Six Chi samples differing in molecular weight (MW) and degree of deacetylation (DD) were tested to recover soluble SWW solids using 20, 40, and 100 mg Chi-Alg/L SWW (0.2 MR, 1h). High (94%, 93%) and low (75%) DD chitosan had lower protein adsorption (73--75%) when compared to the intermediate (84%) DD chitosan (74--83%). Intermediate DD and high MW Chi seemed to perform better; however, SY-1000 with 94% DD did not follow this trend (79--86% protein adsorption, 85--92% turbidity reduction).
ISBN: 0496636030Subjects--Topical Terms:
1017813
Agriculture, Food Science and Technology.
Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment.
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Surimi wash water treatment by chitosan-alginate complexes: Effect of molecular weight and degree of deacetylation of chitosan and nutritional evaluation of solids recovered by the treatment.
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Source: Dissertation Abstracts International, Volume: 64-12, Section: B, page: 5859.
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Thesis (Ph.D.)--Oregon State University, 2004.
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Soluble surimi wash water (SWW) proteins could be recovered using chitosan (Chi) complexed with alginate (Chi-Alg) generating co-products for feed formulations. Chi with a degree of deacetylation (DD) of 84% complexed with Alg at a mixing ratio (MR) of 0.2 was used to study Chi-Alg concentration and treatment time protein recovery effects. Insoluble SWW solids were removed by centrifugation and the supernatant was then adjusted to pH 6. Flocculation at 20°C using Chi-Alg at 20, 40, 100 and 150 mg/L SWW was aided by 5 min agitation and holding for 30 min, 1h and 24h. Concentration had an effect between low (20 and 40 mg/L) and high (100 and 150 mg/L) levels. Time had an effect between 30 min and 1h but not between 1 and 24h. Turbidity reduction was affected only by concentration. 100 mg Chi-Alg/L SWW for 1h achieved 83% protein adsorption and 97% turbidity reduction while lower concentrations yielding higher adsorption required longer times. Fourier Transform Infrared (FTIR) analysis of untreated and Chi-Alg treated SWW solids confirmed protein adsorption. Amide band areas normalized against a common 3005--2880 cm-1 region confirmed the high protein recovery by 100 mg Chi-Alg/L SWW. Six Chi samples differing in molecular weight (MW) and degree of deacetylation (DD) were tested to recover soluble SWW solids using 20, 40, and 100 mg Chi-Alg/L SWW (0.2 MR, 1h). High (94%, 93%) and low (75%) DD chitosan had lower protein adsorption (73--75%) when compared to the intermediate (84%) DD chitosan (74--83%). Intermediate DD and high MW Chi seemed to perform better; however, SY-1000 with 94% DD did not follow this trend (79--86% protein adsorption, 85--92% turbidity reduction).
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Insoluble SWW (P1) and soluble solids (P2) recovered using 150 mg Chi-Alg/L SWW contained 61.4 and 73.1% protein, respectively. Rat diets formulated with 10% protein substitution by P1 and 10% and 15% by P2 had acceptability and protein efficiency ratios (PER) as high as the casein control with no deleterious effects. Rat diets with 100% P2 protein substitution showed higher PER and net protein ratio than the casein control with no deleterious effects. Protein recovered from SWW using Chi-Alg has the potential to be used in commercial feed formulations.
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http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3116167
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