Figure 1.

Cytotoxic activity of RrA for Jurkat and CD4⁺ cells. Jurkat and CD4⁺ T cells were co‐incubated for 72 h with various concentrations of RrA. Cell viability was determined using LDH assay. Data are presented as mean viability ± SEM. N = 4. P ≤ 0.05 was considered significant by Student's t‐test.