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Echimidine concentration in royal jelly produced by nursing bees.a
| harvest n° | echimidineb in royal jelly (µg g−1) |
range (µg g−1) |
|---|---|---|
| 1 | 3.8 ± 1.3 | 2.3–6.9 |
| 2 | 2.0 ± 0.2 | 1.9–2.3 |
| 3 | 0.6 ± 0.3 | 0.3–1.0 |
aThe nursing bees consumed echimidine provided at a concentration of 2000 µg per gram of bee bread.
bThe average echimidine concentrations for the first (n = 10), second (n = 3) and third (n = 9) harvest are reported as mean ± s.d.
