Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms

Fengjiao Peng, Fionne Kiggen, Changgui Pan, Sally Bracewell, Guangguo Ying, Daniel Salvito, Henriette Selck, Paul van den Brink

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Galaxolide (HHCB) is used as a fragrance ingredient in household and personal care products, and has been ubiquitously detected in the environment. Here we investigated the fate of HHCB in subtropical freshwater microcosms, and evaluated effects of sediment-associated HHCB on a biological community consisting of algae, Daphnia, benthic macroinvertebrates and bacteria. The concentrations of sediment-associated HHCB did not change significantly during a 28 days exposure period, but HHCB accumulated in worms with biota-sediment accumulation-factor (BSAF) values in the range of 0.29–0.66 for Branchiura sowerbyi and 0.94–2.11 for Limnodrilus hoffmeisteri. There was no significant effects of HHCB (30 μg/g dry weight (dw) sediment) on chlorophyll-a content, sediment bacterial community composition, and survival and growth of benthic macroinvertebrates. However, the presence of benthic macroinvertebrates altered the sediment bacterial community structure relative to microcosms without introduced organisms. The findings of this study suggest that a single high-dose of HHCB, over 28 days, at environmentally relevant concentrations would not impose direct toxicological risks to aquatic organisms such as benthic macroinvertebrates.
Original languageEnglish
JournalEcotoxicology and Environmental Safety
Volume169
Pages (from-to)902-910
Number of pages9
ISSN0147-6513
DOIs
Publication statusPublished - 2019

Keywords

  • Dissipation
  • Toxicity
  • HHCB
  • Benthic macroinvertebrates
  • Bacterial community
  • Bioaccumulation

Cite this

Peng, Fengjiao ; Kiggen, Fionne ; Pan, Changgui ; Bracewell, Sally ; Ying, Guangguo ; Salvito, Daniel ; Selck, Henriette ; van den Brink, Paul. / Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms. In: Ecotoxicology and Environmental Safety. 2019 ; Vol. 169. pp. 902-910.
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abstract = "Galaxolide (HHCB) is used as a fragrance ingredient in household and personal care products, and has been ubiquitously detected in the environment. Here we investigated the fate of HHCB in subtropical freshwater microcosms, and evaluated effects of sediment-associated HHCB on a biological community consisting of algae, Daphnia, benthic macroinvertebrates and bacteria. The concentrations of sediment-associated HHCB did not change significantly during a 28 days exposure period, but HHCB accumulated in worms with biota-sediment accumulation-factor (BSAF) values in the range of 0.29–0.66 for Branchiura sowerbyi and 0.94–2.11 for Limnodrilus hoffmeisteri. There was no significant effects of HHCB (30 μg/g dry weight (dw) sediment) on chlorophyll-a content, sediment bacterial community composition, and survival and growth of benthic macroinvertebrates. However, the presence of benthic macroinvertebrates altered the sediment bacterial community structure relative to microcosms without introduced organisms. The findings of this study suggest that a single high-dose of HHCB, over 28 days, at environmentally relevant concentrations would not impose direct toxicological risks to aquatic organisms such as benthic macroinvertebrates.",
keywords = "Dissipation, Toxicity, HHCB, Benthic macroinvertebrates, Bacterial community, Bioaccumulation",
author = "Fengjiao Peng and Fionne Kiggen and Changgui Pan and Sally Bracewell and Guangguo Ying and Daniel Salvito and Henriette Selck and {van den Brink}, Paul",
year = "2019",
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Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms. / Peng, Fengjiao; Kiggen, Fionne; Pan, Changgui; Bracewell, Sally; Ying, Guangguo; Salvito, Daniel; Selck, Henriette; van den Brink, Paul.

In: Ecotoxicology and Environmental Safety, Vol. 169, 2019, p. 902-910.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms

AU - Peng, Fengjiao

AU - Kiggen, Fionne

AU - Pan, Changgui

AU - Bracewell, Sally

AU - Ying, Guangguo

AU - Salvito, Daniel

AU - Selck, Henriette

AU - van den Brink, Paul

PY - 2019

Y1 - 2019

N2 - Galaxolide (HHCB) is used as a fragrance ingredient in household and personal care products, and has been ubiquitously detected in the environment. Here we investigated the fate of HHCB in subtropical freshwater microcosms, and evaluated effects of sediment-associated HHCB on a biological community consisting of algae, Daphnia, benthic macroinvertebrates and bacteria. The concentrations of sediment-associated HHCB did not change significantly during a 28 days exposure period, but HHCB accumulated in worms with biota-sediment accumulation-factor (BSAF) values in the range of 0.29–0.66 for Branchiura sowerbyi and 0.94–2.11 for Limnodrilus hoffmeisteri. There was no significant effects of HHCB (30 μg/g dry weight (dw) sediment) on chlorophyll-a content, sediment bacterial community composition, and survival and growth of benthic macroinvertebrates. However, the presence of benthic macroinvertebrates altered the sediment bacterial community structure relative to microcosms without introduced organisms. The findings of this study suggest that a single high-dose of HHCB, over 28 days, at environmentally relevant concentrations would not impose direct toxicological risks to aquatic organisms such as benthic macroinvertebrates.

AB - Galaxolide (HHCB) is used as a fragrance ingredient in household and personal care products, and has been ubiquitously detected in the environment. Here we investigated the fate of HHCB in subtropical freshwater microcosms, and evaluated effects of sediment-associated HHCB on a biological community consisting of algae, Daphnia, benthic macroinvertebrates and bacteria. The concentrations of sediment-associated HHCB did not change significantly during a 28 days exposure period, but HHCB accumulated in worms with biota-sediment accumulation-factor (BSAF) values in the range of 0.29–0.66 for Branchiura sowerbyi and 0.94–2.11 for Limnodrilus hoffmeisteri. There was no significant effects of HHCB (30 μg/g dry weight (dw) sediment) on chlorophyll-a content, sediment bacterial community composition, and survival and growth of benthic macroinvertebrates. However, the presence of benthic macroinvertebrates altered the sediment bacterial community structure relative to microcosms without introduced organisms. The findings of this study suggest that a single high-dose of HHCB, over 28 days, at environmentally relevant concentrations would not impose direct toxicological risks to aquatic organisms such as benthic macroinvertebrates.

KW - Dissipation

KW - Toxicity

KW - HHCB

KW - Benthic macroinvertebrates

KW - Bacterial community

KW - Bioaccumulation

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JO - Ecotoxicology and Environmental Safety

JF - Ecotoxicology and Environmental Safety

SN - 0147-6513

ER -