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Blue foods are obtained using a range of different methods - from large deep-sea trawlers to small carp ponds, which date back to 2,500 years in areas such as the Mediterranean and China. Economically, blue food systems significantly contribute to global trade and livelihood support, benefiting millions of people worldwide directly or indirectly.
Anthocyanin extracts are not specifically listed among approved color additives for foods in the United States; however, grape juice, red grape skin and many fruit and vegetable juices, which are approved for use as colorants, are rich in naturally occurring anthocyanins. [46]
Indigo carmine (natural) Natural blue 2 Food blue 1 75781 natural 860-22-0: Indocyanine green: Cardiogreen cyanine 3599-32-4: Induline: Solvent blue 7 50400 azine 8004-98-6: Iodine green 42556 triarylmethane 33231-00-4: Isosulfan blue: Patent blue violet Acid blue 1 Food blue 3 42045 triarylmethane 129-17-9: Janus Green B: Union green B Basic ...
Blueberries are one of the only truly blue foods. Although other foods contain anthonyacins, blueberries are uniquely blue. Other fruits that contain the pigment-coloring compound are strawberries
In some cases, processing of food is necessary to remove phytotoxins or antinutrients; for example societies that use cassava as a staple have traditional practices that involve some processing (soaking, cooking, fermentation, etc.), which are necessary to avoid getting sick from cyanogenic glycosides present in unprocessed cassava.
The product phycocyanin, produced by Aphanizomenon flos-aquae and Spirulina, is for example used in the food and beverage industry as the natural coloring agent 'Lina Blue' or 'EXBERRY Shade Blue' and is found in sweets and ice cream. In addition, fluorescence detection of phycocyanin pigments in water samples is a useful method to monitor ...
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List of common dips; Paste – Food paste is a semi-liquid colloidal suspension, emulsion, or aggregation used in food preparation or eaten directly as a spread. [23] Pastes are often highly spicy or aromatic. List of food pastes; Spread – Foods that are literally spread, generally with a knife, onto bread, crackers, or other food products ...