Operating conditions of LA-ICP-MS and USN-ICP-MS, and monitored isotopes are summarized in Table 1. Mint tea (Mentha spicata) sample (in sachets) was purchased in a local market. The tea was taken ...

While both belong to the mint (Lamiaceae) family, they come from different species. Spearmint (Mentha spicata) is distinct from peppermint (Mentha × piperita), which is a hybrid of spearmint and water ...