This article classifies natural food colorants from two dimensions: color and chemical structure. In terms of color classification, blue natural pigments include Blue Spirulina Powder, Butterfly Pea Extract, Gardenia Blue Color, etc., sourced from blue-green algae, butterfly pea flowers, gardenia fruits respectively, and applied in dietary supplements, food and beverages, etc.
Color |
Pigment Product |
Source |
Characteristics and Applications |
Blue
|
Spirulina |
Contains phycocyanin, with antioxidant and anti - inflammatory properties. Used in dietary supplements, beverages, and food coloring. |
|
Butterfly Pea Extract - Natural Blue Color |
Butterfly pea flowers |
Contains anthocyanins. Used in the food and beverage industry, and the color changes with pH value. |
|
Gardenia Blue Color |
Gardenia fruits |
Provides a stable blue color, used in food and beverages to enhance appearance. |
|
Green
|
Spinach Extract |
Spinach |
Rich in chlorophyll, used in food, beneficial for liver health and has antioxidant properties. |
Mulberry Leaves Extract |
Mulberry leaves |
Contains pigments, can be used in food, dietary supplements, with potential health benefits. |
|
Sodium Copper Chlorophyllin |
Semi - synthetic derivative of chlorophyll |
Used in the food industry to provide a stable green color. |
|
Red
|
Red Beet Root Powder |
Beet Roots |
Contains betalains, with antioxidant and anti - inflammatory properties. Used in food and beverages. |
Lycopene - Tomato Extract Powder |
Tomatoes |
Rich in lycopene, used in dietary supplements and food, beneficial for heart and skin health. |
|
Carmine Red Color |
Cochineal insects |
Contains carminic acid, used in food, cosmetics, but may cause allergies in some individuals. |
|
Monascus Red Color |
Red Yeast Rice |
Contains monacolins and red pigments, used in traditional Chinese medicine and food coloring. |
|
Yellow
|
Turmeric extract Curcumin powder |
Turmeric |
Contains curcumin, used in cooking, dietary supplements, and cosmetics, with various health benefits. |
Safflower Yellow |
Safflower |
Contains carotenoids, used in food coloring, with potential biological activities. |
|
Marigold Extract Marigold Oleoresin |
Marigold |
Rich in lutein and zeaxanthin, used in food, dietary supplements, and cosmetics. |
|
Purple
|
Black Carrot Purple |
Black carrots |
Contains anthocyanins, used in food and dietary supplements. |
Radish Red Color - Natural Pigment |
Purple - skinned radishes |
Contains anthocyanins, used in food products and natural food coloring. |
|
Purple Sweet Potato Color |
Purple sweet potatoes |
Rich in anthocyanins, used in Asian cuisine and food products. |
|
Cabbage Purple |
Purple cabbage |
Contains anthocyanins, pH - sensitive, used in food and science experiments. |
|
Orange
|
Dunaliena salina orange |
Dunaliena salina microalgae |
Rich in beta - carotene, used in dietary supplements and food coloring. |
Palm Fruit Orange |
Palm fruits |
Contains various carotenoids, used in the food industry. |
|
Chili Pepper Extract Capsanthin |
Dried chili peppers |
Contains capsanthin, used as a spice and food coloring. |
|
Annatto Extract |
Annatto seeds |
Contains bixin, used in food products. |
|
White
|
Corn white |
Corn |
Corn starch can be used for whitening food. |
Arabic gum white |
Acacia trees |
Used in the food industry as an emulsifier and stabilizer. |
|
Black |
Vegetable Carbon Black |
Bamboo |
Used in food, inks, and cosmetics for coloring. |
Chemical Structure |
Related Pigments |
Characteristics |
Chlorophylls |
Green pigments in spinach and mulberry leaves |
Porphyrin derivatives, crucial for photosynthesis. |
Betalains |
Pigments in red beets |
Nitrogen - containing pigments, divided into red - violet (betacyanins) and yellow - orange (betaxanthins). |
Anthocyanins |
Pigments in blue (butterfly pea flower) and purple (black carrot, etc.) |
Flavonoids, water - soluble, sensitive to pH. |
Carotenoids |
Pigments in yellow (turmeric, safflower, marigold), orange (Dunaliena salina, etc.), and some red (tomato) |
Isoprenoid compounds, fat - soluble. |
Other Compounds |
Monacolins in red yeast rice, carminic acid in carmine, curcumin in turmeric |
Have unique chemical structures and properties. |