Vermicompost derived from spent coffee grounds: assessing the potential for enzymatic bioremediation

Sánchez-Hernández, Juan C.; Domínguez, Jorge

doi:10.1016/b978-0-12-811290-8.00012-8

Cited by 13 publications

(8 citation statements)

References 95 publications

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“…Recently, many studies have developed techniques to extract and isolate valuable compounds from SCG. Microbial fermentation has been found to improve the nutritional contents of SCG ( Ramírez, Pineda-Hidalgo & Rochín-Medina, 2021 ; Sanchez-Hernandez & Domínguez, 2017 ; Vítězová et al, 2019 ). Additionally, SCG vermicomposting significantly increased the micro- and macro-nutrient levels and resulted in a neutral pH in the SCG, thus enhancing the earthworm density and biomass ( Sanchez-Hernandez & Domínguez, 2017 ).…”

Section: Discussionmentioning

confidence: 99%

“…Microbial fermentation has been found to improve the nutritional contents of SCG ( Ramírez, Pineda-Hidalgo & Rochín-Medina, 2021 ; Sanchez-Hernandez & Domínguez, 2017 ; Vítězová et al, 2019 ). Additionally, SCG vermicomposting significantly increased the micro- and macro-nutrient levels and resulted in a neutral pH in the SCG, thus enhancing the earthworm density and biomass ( Sanchez-Hernandez & Domínguez, 2017 ). The spontaneous fermentation of SCG by adding PFW was used in this study, as it is a convenient technique that can be followed by farmers, is safe for humans, and results in no biomagnification effects from chemicals.…”

Section: Discussionmentioning

confidence: 99%

“…The use of SCG as an animal feedstock has rarely been studied ( Givens & Barber, 1986 ), although there are some records of SCG utilization in dairy cattle, pig, sheep, earthworms, and BSF ( Choi et al, 2018 ; Permana & Putra, 2018 ; San Martin et al, 2021 ; Sanchez-Hernandez & Domínguez, 2017 ; Sideris et al, 2021 ; Sikka & Chawla, 1986 ). Previous uses of SCG for BSF rearing have included as a larval diet ( Fischer, Romano & Sinha, 2021 ; Permana & Putra, 2018 ; Sideris et al, 2021 ) and pupal substrate ( Nakamura et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

“…As mentioned above, SCG-only substrates are not likely to be optimal for BSF growth, but rather they likely need a suitable pretreatment process to detoxify them and increase their digestibility. Previously, SCG has been fermented prior to use as a feed in order to degrade its toxic phenolic compounds and increase the quality of available nutrients ( Ramírez, Pineda-Hidalgo & Rochín-Medina, 2021 ; Sanchez-Hernandez & Domínguez, 2017 ; Vítězová et al, 2019 ), but it has never been evaluated as a substrate for rearing BSFL. Lactic acid bacteria (LAB) fermentation by autochthonous Lactobacillus plantarum was found to be a potentially suitable process for improving the SCG availability in sheep feedstock preparation ( Choi et al, 2018 ).…”

Section: Introductionmentioning

confidence: 99%

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Use of fermented spent coffee grounds as a substrate supplement for rearing black soldier fly larvae, Hermetia illucens (L), (Diptera: Stratiomyidae)

Khaekratoke

Laksanawimol

Thancharoen

2022

PeerJ

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Background Spent coffee grounds (SCG), an increasingly abundant waste product with environmental disposal problems, has been used as a dietary supplement for many animals and have the potential to be used as a dietary supplement for black soldier fly (BSF) larvae; however, its effective use is still under scrutiny. To date, no studies have considered the use of SCG after microbial fermentation (fSCG) and its effects on BSF life history. Methods A mixture of fruit and vegetable pulp residue supplemented with one of six different fSCG percentages (0%, 20%, 40%, 60%, 80%, and 100% by weight) were provided as a diet substrate in order to evaluate the effect of the fSCG quantity on BSF growth, yield, and conversion ability. Results The addition of fSCG to the pulp diet prolonged larval development times, while 100% fSCG affected the larval survival rate and resulted in a male-biased adult sex ratio. The 20–40% fSCG and 40–60% fSCG treatments supported the largest prepupal and mature larval sizes, respectively. The highest waste reduction efficiency and feed conversion rate by BSF larvae was found with 20% fSCG, similar to the control (0% fSCG). Discussion From the short rearing time, high yield, and high bioconversion efficiency, a 20% fSCG supplementation of the mixed pulp was recommended for rearing BSF larvae. These data are valuable for coffee by-product waste management in urban areas.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Use of fermented spent coffee grounds as a substrate supplement for rearing black soldier fly larvae, Hermetia illucens (L), (Diptera: Stratiomyidae)

Khaekratoke

Laksanawimol

Thancharoen

2022

PeerJ

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“…Previous studies have demonstrated the feasibility of vermicomposting for converting organic waste, such as sewage sludge, paper waste, urban residues, and animal waste (see [19,22] for reviews), into organic fertilisers. Vermicomposting has also been shown to be effective for processing plant wastes rich in phytotoxic compounds, such as grape marc, spent coffee grounds, and Scotch broom biomass [23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Vermicomposting as a Sustainable Option for Managing Biomass of the Invasive Tree Acacia dealbata Link

2022

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The tree Acacia dealbata is native to Australia but has become invasive in many parts of the world thanks to its N-fixing capacity and to the allelopathic compounds present in its biomass. We conducted a pilot-scale study to assess the potential conversion of A. dealbata biomass by vermicomposting via the earthworm Eisenia andrei. The flowering aerial A. dealbata biomass was shredded and placed in a vermireactor under greenhouse conditions for 56 days. The vermicomposted material was sampled every two weeks to analyse its biological and chemical parameters. The phytotoxicity of the fresh A. dealbata material and vermicompost was assessed via an ecotoxicological test with Lepidium sativum seeds. The activity of the earthworms caused strong modifications of the properties of the processed material: the electric conductivity, basal respiration, and organic matter content were reduced, whereas the concentrations of other elements such as N, P, or Zn increased. The earthworm biomass increased steadily until day 42 and then decreased, probably due to the depletion of labile organic matter during the initial stages of vermicomposting. The fresh A. dealbata material reduced the germination and radicle elongation of L. sativum, whereas vermicompost showed the same values as control. The produced vermicompost was an organic fertiliser rich in N and was not phytotoxic. Vermicomposting provides an opportunity to create a new value chain for the control of the invasive tree A. dealbata.

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Managing Per- and Polyfluoroalkyl Substance (PFAS) Contamination in Agricultural Soils: Investigating Remediation Approaches in Non-conventional Agriculture

Sanchez-Hernandez,

Pardo Fernández,

Navarro Pacheco

et al. 2024

The Handbook of Environmental Chemistry

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Vermicompost derived from spent coffee grounds: assessing the potential for enzymatic bioremediation

Cited by 13 publications

References 95 publications

Use of fermented spent coffee grounds as a substrate supplement for rearing black soldier fly larvae, Hermetia illucens (L), (Diptera: Stratiomyidae)

Use of fermented spent coffee grounds as a substrate supplement for rearing black soldier fly larvae, Hermetia illucens (L), (Diptera: Stratiomyidae)

Vermicomposting as a Sustainable Option for Managing Biomass of the Invasive Tree Acacia dealbata Link

Managing Per- and Polyfluoroalkyl Substance (PFAS) Contamination in Agricultural Soils: Investigating Remediation Approaches in Non-conventional Agriculture

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