Table 2.
The average content of macroelements in green tea samples according to their origin (including tea type or form).
| Parameter | Macroelements (mg/kg) | |||
|---|---|---|---|---|
| Na | K | Mg | Ca | |
| CH (China) * | ||||
| Concentration | 49.5 ± 4.34 | 15,483 ± 877 | 2115 ± 121 | 1636 ± 90.3 |
| Range | 45.1–57.9 | 13,783–16,335 | 1983–2309 | 1524–1794 |
| CH1 (China) * | ||||
| Concentration | 66.4 ± 7.68 | 11,504 ± 1370 | 1733 ± 96.0 | 2439 ± 81.3 |
| Range | 51.2–74.9 | 9486–13,737 | 1521–1801 | 2314–2542 |
| I (India) * | ||||
| Concentration | 55.6 ± 4.92 | 11,050 ± 719 | 1536 ± 75.9 | 2440 ± 143 |
| Range | 49.1–62.5 | 9658–11,753 | 1467–1703 | 2274–2744 |
| SL (Sri Lanka) * | ||||
| Concentration | 41.7 ± 1.75 | 12,975 ± 1849 | 1999 ± 103 | 2639 ± 112 |
| Range | 38.6–43.7 | 9290–15,408 | 1860–2106 | 2474–2839 |
| N (Nepal) * | ||||
| Concentration | 18.3 ± 3.08 | 16,922 ± 994 | 1981 ± 153 | 1327 ± 65.8 |
| Range | 14.3–22.8 | 15,012–18,182 | 1800–2249 | 1251–1452 |
| SKJ (South Korea) * | ||||
| Concentration | 119 ± 8.49 | 16,253 ± 483 | 1626 ± 70.0 | 1155 ± 73.1 |
| Range | 105–129 | 15,507–16,924 | 1556–1762 | 1066–1289 |
| JA (Japan) * | ||||
| Concentration | 64.8 ± 5.72 | 15,144 ± 756.4 | 1289 ± 48.2 | 962 ± 61.6 |
| Range | 58.6–74.2 | 14,034–16,451 | 1224–1373 | 863–1031 |
| JM (Japan) * | ||||
| Concentration | 123 ± 9.62 | 10,754 ± 703 | 2084 ± 215 | 1916 ± 142 |
| Range | 105–137.6 | 9816–11,989 | 1783–2464 | 1743–2189 |
| JS (Japan) * | ||||
| Concentration | 81.2 ± 10.8 | 18,576 ± 882 | 1444 ± 78.0 | 817 ± 40.4 |
| Range | 62.9–97.2 | 17,375–19,858 | 1332–1533 | 741–873 |
* CH—China (original); CH1—China (blended); I—India; SL—Sri Lanka; N—Nepal; SKJ—Jeoncha (South Korea); JA—Agari (Japan); JM—Matcha (Japan); JS—Sencha (Japan).