Abstract
We have determined the distribution of aluminum in the epidermal cells of mature tea leaves using micro-beam particle-induced X-ray emission. The observed pattern of aluminum distribution in the epidermal cells suggests that aluminum exists in cell walls. Silicon exhibits a distribution that is nearly identical to that of aluminum, suggesting co-localization with aluminum.
Highlights
Aluminum (Al) is a key chemical element found in soil
We have previously studied the concentrations and distributions of various elements, including Al, in tea leaves using multi-elemental capabilities and the spatial resolving power of micro-beam particle-induced X-ray emission (PIXE) and particle-induced γ-ray emission spectroscopy (PIGE) [3,4,5]
We investigated the distribution of fluorine (F) in tea leaves using micro-beam PIGE and observed that F is localized in epidermal cells
Summary
Aluminum (Al) is a key chemical element found in soil. It is soluble under acidic conditions, and its ionic form is toxic to almost all plants. Numerous studies investigating Al concentrations [1] and distribution [2] in tea leaves have been performed. We have previously studied the concentrations and distributions of various elements, including Al, in tea leaves using multi-elemental capabilities and the spatial resolving power of micro-beam particle-induced X-ray emission (PIXE) and particle-induced γ-ray emission spectroscopy (PIGE) [3,4,5]. We investigated the distribution of fluorine (F) in tea leaves using micro-beam PIGE and observed that F is localized in epidermal cells.
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