Annatto seed, SEM

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Annatto seed, SEM

Annatto seed. Coloured scanning electron micrograph (SEM) of the seed of the tropical achiote tree (Bixa orellana). The outer covering of the seed produces the red food colouring known as annatto (E160a). It is used for colouring cheeses, butter, smoked fish and custard powder but is known to also cause food allergies in some people. It is also used in herbal medicine. Magnification: x20 when printed 10 centimetres wide

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9194925

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Allergen Allergic Allergy Alternative Medicine Aromatic Colouring Cookery Cooking Cuisine Culinary Dried Edible Flavour Flavouring Food Colouring Foodstuff Fruit Herbal Medicine Ingredient Seed Spice Achiote Bixa Orellana

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This print showcases the intricate beauty of an Annatto seed, captured through a scanning electron microscope (SEM). The vibrant red hue of this tropical seed is derived from its outer covering, which produces the renowned food colouring known as annatto (E160a). Widely used in culinary applications, such as colouring cheeses, butter, smoked fish, and custard powder, this natural dye also possesses medicinal properties. Beyond its flavour-enhancing capabilities, it is important to note that annatto can trigger food allergies in certain individuals. However, despite this potential allergenicity, it continues to be utilized both for its taste and therapeutic benefits in herbal medicine. At a magnification of x20 when printed 10 centimetres wide, every detail of the Annatto seed becomes apparent. Its botanical origins lie within the achiote tree (Bixa orellana), native to tropical regions. This photograph not only highlights the biological marvels found in nature but also serves as a reminder of how plants have been harnessed throughout history for their aromatic qualities and visual appeal. Incorporating elements from botany and biology into our daily lives has allowed us to explore new flavours while appreciating the wonders that exist within our natural surroundings. This image encapsulates the essence of annatto's role as both a culinary delight and an alternative form of medicine—a testament to humanity's ongoing relationship with plants and their multifaceted contributions to our world.

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