Effects of carbon and nitrogen sources, sodium chloride and culture conditions on cytotoxin production by Salmonella choleraesuis

Ho, Wei-Li; Chou, Cheng‐Chun

doi:10.1016/s0168-1605(01)00439-1

Cited by 6 publications

(4 citation statements)

References 18 publications

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“…Therefore, they need a saline culture medium to grow. Salinity affects the growth of marine microorganisms by controlling the cytoplasmic ion gradient and the activity of enzymes involved in cell wall expansion [36].…”

Section: Salinitymentioning

confidence: 99%

“…Most of the recent works reporting lipid/DHA production from heterotrophic microalgae use traditional methods to monitor the microalgae growth during the culture development, such as optical density, dry cell weight and cell counting [19,[22][23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40]. However, these techniques provide no information on cell physiological states.…”

Section: Microalgal Culture Monitoring By Flow Cytometry (Fc)mentioning

confidence: 99%

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The Dark Side of Microalgae Biotechnology: A Heterotrophic Biorefinery Platform Directed to ω-3 Rich Lipid Production

et al. 2019

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Microbial oils have been considered a renewable feedstock for bioenergy not competing with food crops for arable land, freshwater and biodiverse natural landscapes. Microalgal oils may also have other purposes (niche markets) besides biofuels production such as pharmaceutical, nutraceutical, cosmetic and food industries. The polyunsaturated fatty acids (PUFAs) obtained from oleaginous microalgae show benefits over other PUFAs sources such as fish oils, being odorless, and non-dependent on fish stocks. Heterotrophic microalgae can use low-cost substrates such as organic wastes/residues containing carbon, simultaneously producing PUFAs together with other lipids that can be further converted into bioenergy, for combined heat and power (CHP), or liquid biofuels, to be integrated in the transportation system. This review analyses the different strategies that have been recently used to cultivate and further process heterotrophic microalgae for lipids, with emphasis on omega-3 rich compounds. It also highlights the importance of studying an integrated process approach based on the use of low-cost substrates associated to the microalgal biomass biorefinery, identifying the best sustainability methodology to be applied to the whole integrated system.

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Section: Salinitymentioning

confidence: 99%

Section: Microalgal Culture Monitoring By Flow Cytometry (Fc)mentioning

confidence: 99%

The Dark Side of Microalgae Biotechnology: A Heterotrophic Biorefinery Platform Directed to ω-3 Rich Lipid Production

et al. 2019

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“…Salinity affects the growth of the microorganism by controlling the cytoplasmic ion gradient and the activity of enzymes involved in cell wall expansion (Ho & Chou, 2001 Table 2. Effect of nitrogen sources on biomass, lipid, and DHA production Source: Wu et al (2005).…”

Section: Production Of Schizochytriummentioning

confidence: 99%

THE POTENTIAL OF HETEROTROPHIC MICROALGAE (Schizochytrium sp.) AS A SOURCE OF DHA

Hakim¹

2013

Squalen Bull. Marine Fisheries Postharvest Biotech.

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Docosahexanoic acid (DHA) is commercially obtained from marine fish. W ith an increasing human population, the supplies of DHA are still not sufficient to meet the world's need of DHA as food supplement. The objective of this review is to discuss Schizochytrium sp., one of microalgae which is rich in DHA, as one of the best candidate as producer of sustainable and affordable DHA. Heterotrophic microalgae, especially genus Schizochytrium, produces omega-3 fatty acids up to 40% of total unsaturated fatty acids. Cultivation of the microalgae is easy as it does not require sunlight as source of energy. Previous publication reported that several local strains of Schizochytrium have been isolated from mangrove area in Indonesia. W e expect that those strains can be cultivated in mass production as producer of DHA.Keywords: docosahexanoic acids, fatty acids, Schizochytrium sp. ABSTRAK Docosahexanoic acid (DHA) komersial sebagian besar diperoleh dari ikan laut. Dengan meningkatnya populasi penduduk dunia, sumber ini tidak akan mencukupi permintaan dari masyarakat terhadap DHA sebagai salah satu makanan kesehatan. Tujuan dari review ini adalah untuk mendiskusikan Schizochytrium sebagai salah satu mikroalga yang kaya DHA, sebagai kandidat mikroalga yang mampu memproduksi DHA secara berkelanjutan dan terjangkau. Jenis mikroalga yang bersifat heterotrof terutama genus Schizochytrium mampu menghasilkan asam lemak omega 3 mencapai 40% dari total asam lemak tak jenuhnya. Kultivasi mikroalga ini juga lebih mudah karena tidak membutuhkan sinar matahari sebagai sumber energinya. Publikasi sebelumnya menunjukkan bahwa beberapa strain lokal telah di isolasi dari daerah mangrove di Indonesia. Kami berharap strain tersebut bisa dikembangkan ke produksi DHA secara masal.Kata Kunci: asam docosaheksanoat, asam lemak, Schizochytrium sp.

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“…In general, populations of bacteria recovered with TSAP agar were higher than counts recovered on XLD agar during the 6 h of dehydration (Table 2), indicating that there were injured cells that were better recovered on TSAP. Injured cells that were able to grow on TSAP were probably unable to grow on XLD, a selective agar, due to the compositional differences in the 2 media (Boziaris and others 1998;Hinton 1999;Ho and Chou 2001;Kirby and Davies 1990).…”

Section: Effect Of Agar Media Effect Of Agar Media Effect Of Agar Medmentioning

confidence: 99%

Inactivation of Salmonella during Drying and Storage of Carrot Slices Prepared Using Commonly Recommended Methods

Dipersio

Yoon

Sofos

et al. 2006

Journal of Food Science

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ABSTRA ABSTRA ABSTRA ABSTRA ABSTRACT CT CT CT CT: : : : : This study ev This study ev This study ev This study ev This study evaluated the influence of dr aluated the influence of dr aluated the influence of dr aluated the influence of dr aluated the influence of drying tr ying tr ying tr ying tr ying treatments and aer eatments and aer eatments and aer eatments and aer eatments and aerobic stor obic stor obic stor obic stor obic storage (25 °C, 30 d) on inactiv age (25 °C, 30 d) on inactiv age (25 °C, 30 d) on inactiv age (25 °C, 30 d) on inactiv age (25 °C, 30 d) on inactivaa-a-aation of a fiv tion of a fiv tion of a fiv tion of a fiv tion of a five-str e-str e-str e-str e-strain mixtur ain mixtur ain mixtur ain mixtur ain mixture of e of e of e of e of Salmonella Salmonella Salmonella Salmonella Salmonella (7.8 log colony (7.8 log colony (7.8 log colony (7.8 log colony (7.8 log colony-for -for -for -for -forming units [CFU]/g) on carr ming units [CFU]/g) on carr ming units [CFU]/g) on carr ming units [CFU]/g) on carr ming units [CFU]/g) on carrot slices ot slices ot slices ot slices ot slices. . . . . T T T T Tr r r r reatments eatments eatments eatments eatments included (1) control, (2) steam blanching (88 °C, 3 min), (3) water blanching (88 °C, 3 min), (4) immersion in included (1) control, (2) steam blanching (88 °C, 3 min), (3) water blanching (88 °C, 3 min), (4) immersion in included (1) control, (2) steam blanching (88 °C, 3 min), (3) water blanching (88 °C, 3 min), (4) immersion in included (1) control, (2) steam blanching (88 °C, 3 min), (3) water blanching (88 °C, 3 min), (4) immersion in included (1) control, (2) steam blanching (88 °C, 3 min), (3) water blanching (88 °C, 3 min), (4) immersion in 3.23% N 3.23% N 3.23% N 3.23% N 3.23% NaCl (25 ± 3 °C, 5 min), and (5) o aCl (25 ± 3 °C, 5 min), and (5) o aCl (25 ± 3 °C, 5 min), and (5) o aCl (25 ± 3 °C, 5 min), and (5) o aCl (25 ± 3 °C, 5 min), and (5) ov v v v ven heating (80 °C, 15 min) after dr en heating (80 °C, 15 min) after dr en heating (80 °C, 15 min) after dr en heating (80 °C, 15 min) after dr en heating (80 °C, 15 min) after drying. ying. ying. ying. ying. T T T T Tr r r r reatments w eatments w eatments w eatments w eatments wer er er er ere selected fr e selected fr e selected fr e selected fr e selected from om om om om recommendations made by Cooperative Extension Services for ability to maintain characteristics of dried veg-recommendations made by Cooperative Extension Services for ability to maintain characteristics of dried veg-recommendations made by Cooperative Extension Services for ability to maintain characteristics of dried veg-recommendations made by Cooperative Extension Services for ability to maintain characteristics of dried vegrecommendations made by Cooperative Extension Services for ability to maintain characteristics of dried vegetables and possible antimicrobial effects. Carrot slices were inoculated with the etables and possible antimicrobial effects. Carrot slices were inoculated with the etables and possible antimic...

show abstract

Effects of carbon and nitrogen sources, sodium chloride and culture conditions on cytotoxin production by Salmonella choleraesuis

Cited by 6 publications

References 18 publications

The Dark Side of Microalgae Biotechnology: A Heterotrophic Biorefinery Platform Directed to ω-3 Rich Lipid Production

The Dark Side of Microalgae Biotechnology: A Heterotrophic Biorefinery Platform Directed to ω-3 Rich Lipid Production

THE POTENTIAL OF HETEROTROPHIC MICROALGAE (Schizochytrium sp.) AS A SOURCE OF DHA

Inactivation of Salmonella during Drying and Storage of Carrot Slices Prepared Using Commonly Recommended Methods

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