Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Mekjinda, Nutsara; Ritchie, Raymond J.

doi:10.1016/j.wasman.2014.10.018

Cited by 32 publications

(19 citation statements)

References 53 publications

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“…In addition, a few can tolerate water with high concentrations of organic-substance contamination and can decompose the organic contaminants in the water (Mekjinda and Ritchie 2015;Zhou et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Effects of water supplemented with Saccharicterpenin and photosynthetic bacteria on egg production, egg quality, serum immunoglobulins, and digestive enzyme activities of ducks

Liu

Zeng

et al. 2016

Can. J. Anim. Sci.

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Abstract:We investigated the effects of water supplemented with Saccharicterpenin and photosynthetic bacteria (PSB) on egg production, egg quality, serum immunoglobulins, and digestive enzyme activities of Jinyun ducks. A total of 400 healthy Jinyun ducks (all aged 58 wk) were randomly allotted to five treatments, with four replicates per treatment and 20 ducks in each replicate. The animals were fed a standard diet for 15 d and the experimental diet for 55 d. Experimental design is as follows: negative-control group C1 was given no supplementation, and control group 2 was given pool water (PW) with added PSB but not Saccharicterpenin. Test groups T1, T2, and T3 were given the same amount of PSB in the PW and varying levels of Saccharicterpenin in drinking water. Results suggest that PSB combined with Saccharicterpenin had beneficial effects on the average egg weight, feed to egg ratio, laying rate, and amylase activity, but some bad effects on the yolk color score. Additionally, PSB alone can increase the average egg weight.

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Section: Introductionmentioning

confidence: 99%

Effects of water supplemented with Saccharicterpenin and photosynthetic bacteria on egg production, egg quality, serum immunoglobulins, and digestive enzyme activities of ducks

Liu

Zeng

et al. 2016

Can. J. Anim. Sci.

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“…The bacterial biomass of R. palustris was determined by measuring OD650 nm [20]. A logistic (sigmoid) model was adopted to fit the whole growth curve.…”

Section: Analysis Of Cell Growthmentioning

confidence: 99%

Nutrient Recovery From Cyanobacteria Biomasses Using Purple Nonsulfur Bacterium Rhodopseudomonas palustris

Tian¹,

Wu²,

Feng³

et al. 2017

Pol. J. Environ. Stud.

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Occurrences of harmful cyanobacterial blooms are a worldwide environmental problem in most eutrophic lake ecosystems. But what should be noticed is that cyanobacteria can be used as a useful resource due to the wide range of metabolites they produce. Nutrient partitioning using purple nonsulfur bacteria (PNSB) has the potential to biologically concentrate nutrients. The present study evaluated the kinetics of nutrients released from decomposed field blue green algae (BGA) biomasses. The potential of nutrient acquisition from decomposed BGA biomasses for culturing Rhodopseudomonas palustris (R. palustris) was investigated via fed-batch experiments. Results indicated that R. palustris stimulated in algae substrates with algae biomasses ranging from 3.33 to 10 g/L. Removal efficiencies of N and P in the stationary phase of growth were at least 40% and 95%, respectively, of all the nitrogen (N) and phosphorus (P) released. Additionally, the cellular contents like total lipid and poly-β-hydroxybutyrate (PHB), as well as the fatty acids produced by R. palustris, were consistent. Hence, practice based on the bacterial production for the nutrient recovery from BGA biomasses provides a new insight in field algae disposal. It will lower the chances of secondary pollution due to algae decay and produce giant cells of R. palustris and surely will prosper the industries applying R. palustris.

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“…Purple non-sulfur bacteria (PNSB) are widely used in wastewater treatment [4]; it is suggested that they are capable of producing certain commercially importance by-products through the utilization of carbon source from the vegetable waste. PNSB, Rhodopseudomonas palustris and Rhodovulum sulfidophilum were proven ability in the utilization of food waste and effectively in digesting organic matter [5] [6].…”

Section: Introductionmentioning

confidence: 99%

Potentiality of Bioconverted Leafy Vegetable Waste as Aquaculture Feed Supplement

Azad¹,

Lal²

2018

ABB

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Purple non-sulfur bacteria (PNSB) are well known for their ability in transforming organic substrates for their own source of nutrients. The nutritional values of leafy vegetable waste could be improved through bioconversion with PNSB. This study was conducted to access nutritional status of leafy vegetable waste bio-converted product and efficacy of derived product as aquaculture feed supplement. Proximate compositions of bio-converted leafy vegetable wastes were improved after 6 days with 30% inoculums of Afifella marina strain ME (KC205142). The crude proteins (%) and ashes (%) in derived product was increased to 51.7% and 19.6% respectively. On the other hand, the fiber (%) in the bio-converted derived product was decreased by 21%. During feeding trial in Tilapia (Oreochromis niloticus), no significant differences were observed in the feed intake (g/fish/day), but significant differences were observed in the value of feed conversion ratio and weight gain (%) among the used diets. However, lower ingestion rate (g/d/fish) and better feed conversion ratio were obtained while fishes were fed with diet composed of commercial feed mixed with 5% of the bio-converted product. The higher ingestion rate (g/d/fish) and lower feed conversion ratio were observed with only commercial diet. There observed no significant differences in the ingestion rate (g/d/fish) and FCR values among the diet composed of commercial feed with 5% (D5) and 10% (D10) of the bio-converted product. The derived bio-converted product can be a promising approach to open new market segment in aquafeed industry.

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Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Cited by 32 publications

References 53 publications

Effects of water supplemented with Saccharicterpenin and photosynthetic bacteria on egg production, egg quality, serum immunoglobulins, and digestive enzyme activities of ducks

Effects of water supplemented with Saccharicterpenin and photosynthetic bacteria on egg production, egg quality, serum immunoglobulins, and digestive enzyme activities of ducks

Nutrient Recovery From Cyanobacteria Biomasses Using Purple Nonsulfur Bacterium Rhodopseudomonas palustris

Potentiality of Bioconverted Leafy Vegetable Waste as Aquaculture Feed Supplement

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