Antioxidants in the Midgut Fluids of a Tannin-Tolerant and a Tannin-Sensitive Caterpillar: Effects of Seasonal Changes in Tree Leaves

@article{Barbehenn2003AntioxidantsIT,
  title={Antioxidants in the Midgut Fluids of a Tannin-Tolerant and a Tannin-Sensitive Caterpillar: Effects of Seasonal Changes in Tree Leaves},
  author={Raymond V Barbehenn and Ann C. Walker and Farhan Uddin},
  journal={Journal of Chemical Ecology},
  year={2003},
  volume={29},
  pages={1099-1116}
}
The seasonal decline in foliar nutritional quality in deciduous trees also effects the availability of essential micronutrients, such as ascorbate and α-tocopherol, to herbivorous insects. This study first examined whether there are consistent patterns of seasonal change in antioxidant concentrations in deciduous tree leaves. α-Tocopherol concentrations increased substantially through time in late summer in sugar maple (Acer saccharum), red oak (Quercus rubra), and trembling aspen (Populus… CONTINUE READING

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