Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Dietary exposure of copper and zinc oxides nanoparticles affect the fitness, enzyme activity, and microbial community of the model insect, silkworm Bombyx mori

Abrar Muhammad, Jintao He, Ting Yu, Chao Sun, Dier Shi, Yan Jiang, Yunlei Xianyu, Yongqi Shao

The Science of The Total Environment · 2021

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Summary

This laboratory study investigated the biological effects of dietary copper and zinc oxide nanoparticles using silkworm (Bombyx mori) as a model insect. The authors measured impacts on organismal fitness, enzymatic function, and associated microbial communities, as suggested by the title. The work contributes to understanding potential food-chain and environmental health implications of engineered nanoparticle exposure in agricultural and food systems.

UK applicability

As a controlled laboratory study using an insect model, direct application to UK farming or human nutrition is limited. However, findings may inform risk assessment frameworks for nanoparticle use in UK agriculture and food production, and support development of safety guidelines for engineered nanomaterial exposure.

Key measures

Fitness indicators (growth, development, survival), enzyme activity assays, microbial community composition and diversity

Outcomes reported

The study examined how dietary exposure to copper and zinc oxide nanoparticles affects silkworm fitness parameters, enzymatic activity, and the composition of microbial communities within the model organism. Measurements likely included growth, development, survival, digestive enzyme activity, and characterisation of gut or associated microbial populations.

Theme
Nutrition & health
Subject
Pesticides, contaminants & food safety
Study type
Research
Study design
Laboratory experimental study
Source type
Peer-reviewed study
Status
Published
System type
Laboratory / in vitro
DOI
10.1016/j.scitotenv.2021.152608
Catalogue ID
SNmok1wbgu-hyhkx0

Topic tags

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