Saffron,coloured scanning electron micrograph (SEM). Saffron (orange-red) is a spice derived from the dried stigmas of the saffron crocus flower (Crocus sativus). Also visible are crocus pollen grains (small dark yellow spots). The three stigmas from each flower are picked by hand during Autumn and quickly dried to be used either for cooking,flavouring or as a colourant. By weight,saffron is the worlds most expensive spice. Magnification: x34 when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 4800 px × 4800 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |