Biochemical and enzymatic characterization of decapsulated cysts and nauplii of the brine shrimp Artemia at different developmental stages

García‐Ortega, Armando; Verreth, J.A.J.; Coutteau, Peter; Segner, Helmut; Huisman, E.A.; Sorgeloos, Patrick

doi:10.1016/s0044-8486(97)00297-4

Cited by 71 publications

(48 citation statements)

References 20 publications

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“…Our FAME results of control decapsulated cysts and nauplii of the VC and GSL strains, and the differences in dominating fatty acids between both strains, are similar to the literature data published for those strains (Evjemo et al 1997;Garcia-Ortega et al 1998;Dhont and Sorgeloos 2002;Ando et al 2002). The effect of hydration and subsequent dehydration on the fatty acid contents of cysts has not been the subject of systematic studies in the past; in our study, differences between the control and A222 samples were limited, which suggests that net fatty acid breakdown during the hydration/ dehydration process is limited.…”

Section: Discussionsupporting

confidence: 89%

“…Comparative literature information on the fatty acid contents of cysts and the nauplii emerging from them is scarce (Garcia-Ortega et al 1998;Dhont and Sorgeloos 2002), and no information is available on the fatty acid metabolism involved in the hatching process. Our FAME results of control decapsulated cysts and nauplii of the VC and GSL strains, and the differences in dominating fatty acids between both strains, are similar to the literature data published for those strains (Evjemo et al 1997;Garcia-Ortega et al 1998;Dhont and Sorgeloos 2002;Ando et al 2002).…”

Section: Discussionmentioning

confidence: 99%

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Hatching and nutritional quality of Artemia cysts progressively deteriorates as a function of increased exposure to hydration/dehydration cycles

et al. 2014

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Nauplii hatching from Artemia cysts are crucial in larviculture nutrition. Artemia cysts may be exposed to repeated hydration/dehydration (H/D) cycles pre-harvesting or during processing and storage. To observe the effect of these cycles on cyst quality, Artemia franciscana cysts were exposed to a comprehensive set of various H/D treatments, differing in the number of cycles (1, 2, or 3) and the duration of the freshwater hydration period (2 or 4 h). Cyst quality was assessed using the criteria of immediate relevance for aquaculture use, such as hatching percentage directly after H/D treatment and after -18°C storage up to 1 month, longevity of axenically hatched starved nauplii, cyst and naupliar energy content, and (for the most extreme H/D treatment) cyst and naupliar fatty acid and vitamin C content. Repeated H/D cycles resulted in significantly (P \ 0.05) decreased cyst hatching, reduced starved naupliar longevity and individual energy content, loss in vitamin C and fatty acid content, and moreover a close correlation between these parameters as a function of progressive H/D treatments. This is of immediate relevance for aquaculture nutrition, as commercial Artemia cysts may have gone through an unknown sequence of H/D cycles in nature or in the processing line, which affects the nutritional quality of the nauplii used in larviculture operations.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Hatching and nutritional quality of Artemia cysts progressively deteriorates as a function of increased exposure to hydration/dehydration cycles

et al. 2014

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“…Comparable to A. franciscana, the Egyptian strain under the present study showed no significant differences between them (53.5%); its protein content has been previously studied by many authors and was found to meet the essential requirement of many fish species (Claus, Benijts, Vandeputte, & Gardner, 1979). Other studies with other strains recorded protein content of 61, 56.2, and 54.03% in nauplii from Great Salt Lake strain (García-Ortega et al, 1998;Moraiti-Ioannidou, Castritsi-Catharios, Miliou, & Sorgeloos, 2009).…”

Section: Discussionsupporting

confidence: 41%

“…The low concentration of EPA was observed also in Great Salt Lake (3. 5 mg/g DW), PR China (1.4 mg/g DW), and Urmia, Iran strain (2.7 mg/g DW), A. persimilis (0.0) (García-Ortega et al (1998);Dhert et al (1993); Triantaphyllidis et al (1995) and Han et al (2000) respectively). Fujita et al (1980) reported that marine fish require EPA and DHA in its diet while freshwater fish require linolenic acid (18:3 n-3).…”

Section: Discussionmentioning

confidence: 97%

An attempt to improve the proximate composition of local Artemia strain (Wadi El Natrun, Egypt)

Rizk

Shoukr

El-Gamal

et al. 2018

JoBAZ

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Background: Comparative analysis of essential amino acids and fatty acid of enriched and unenriched Artemia spp. collected from Wadi El Natrun, Elbeheira, Egypt, was investigated. Results: The obtained results indicated that Leucine recorded the highest concentration (17.22%, 11.4%) in unenrichment A. tunisiana and A. franciscana, respectively followed by arginine (10.31%, 9.6%); however, glutamic acid recorded the lowest concentration (0.05%) in A. tunisiana. Statistical analysis showed no significant differences in some amino acid concentrations (P < 0.001) in both A. tunisiana and A. franciscana as arginine, valine, proline, and aspartic acid. Other amino acids were highly significantly fluctuated as glycine, leucine, histidine, phenylalanine, glutamic, and tyrosine; they were high in A. franciscana. Aspartic acid was significantly higher in unenrichment nauplii. Regarding the comparison between A. franciscana and enrichment A. tunisiana, the data showed non-significant improvement for the majority of the recorded amino acids. The analysis of unsaturated fatty acids n-3 and n-6 families after 18 and 24 h of enrichment Artemia was achieved. The composition of unsaturated fatty acids was significantly increased after enrichment to 79.7 mg/g DW instead of 46.5 in newly hatched nauplii. Saturated fatty acids were also significantly increased from 20 to 25.28 mg/g DW. The enrichment process was significant (P < 0.001) in nauplii enriched with fatty acids for 18 h. The more pronounced effect of duration was the amount of energy as it was 33.17 kJ/g after 18 h, while it was 45.693 kJ/g after 24 h incubation. The ratio of ascorbic acid, due to Artemia enrichment by vitamin C for 24 h, was increased from 853 to 3227 μg/g dry weight after enrichment. Conclusion: To conclude, enrichment with cod liver oil and vitamin C obviously affected the chemical composition of local Egyptian Artemia (A. tunisiana).

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“…One of the morphological differences between diapause and subitaneous eggs of copepods is the shell structure, diapause eggs generally having a thick, multilayered shell, while subitaneous eggs have a thin, single-layered shell (Hairston & Olds 1984, Santella & Ianora 1990, Couch et al 2001. The presence of the chorion or external layer composed of lipoprotein impregnated with chitin and hematin was the major reason for the high protein content of diapause cysts of Artemia (García-Ortega et al 1998). Similarly the high protein content of diapause eggs of Centropages tenuiremis could be due to the thick, multilayered shell.…”

Section: Discussionmentioning

confidence: 99%

Differences in the density, sinking rate and biochemical composition of Centropages tenuiremis (Copepoda: Calanoida) subitaneous and diapause eggs

Wang¹,

Jiang²,

Wu³

et al. 2005

Mar. Ecol. Prog. Ser.

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The density, sinking rate and biochemical composition of Centropages tenuiremis subitaneous and diapause eggs were determined in the laboratory. The mean densities of subitaneous and diapause eggs were 1.1176 and 1.1481 g cm -3 , respectively. Based on Stokes' law, the average sinking rate was 0.0266 cm s -1 for subitaneous eggs and 0.0367 cm s -1 for diapause eggs. The dry weight, lipid, protein and carbohydrate contents of subitaneous eggs were 117.7, 32.9, 59.1 and 9.4 ng egg -1 , respectively, while those of diapause eggs were 165.0, 57.1, 81.2 and 11.2 ng egg -1 , respectively. The levels of aspartic acid, glutamic acid, glycine, methionine, isoleucine, leucine, norleucine, lysine, ammonium chloride, and arginine in diapause eggs of C. tenuiremis were significantly higher than in subitaneous eggs. Results of the study showed that there were significant physiological and biochemical differences between subitaneous and diapause eggs of C. tenuiremis.

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Biochemical and enzymatic characterization of decapsulated cysts and nauplii of the brine shrimp Artemia at different developmental stages

Cited by 71 publications

References 20 publications

Hatching and nutritional quality of Artemia cysts progressively deteriorates as a function of increased exposure to hydration/dehydration cycles

Hatching and nutritional quality of Artemia cysts progressively deteriorates as a function of increased exposure to hydration/dehydration cycles

An attempt to improve the proximate composition of local Artemia strain (Wadi El Natrun, Egypt)

Differences in the density, sinking rate and biochemical composition of Centropages tenuiremis (Copepoda: Calanoida) subitaneous and diapause eggs

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