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Natural carotene comes from the fruit oil of the palm tree, also known as palm fruit oil. It is a mix of α, β, and γ-carotenes that are obtained from palm fruit oil and is the richest natural source of combined carotenoids.
Natural carotene has a yellow color with a slight hint of orange and shows great stability against light, changes in pH, and heat.
Beta-carotene can vary in color from red to yellow, depending on its concentration and processing. It is highly tolerant to variations in heat, light, and pH.
Turmeric comes from the rhizomes of plants in the ginger family, Curcuma. These plants thrive in sunlight and are robust in tropical climates.
Turmeric has a yellow color with a slight greenish tint, thanks to curcumin, its coloring component. It is highly heat-resistant and tolerant of different pH levels.
Gardenia yellow is a type of carotenoid pigment found in gardenia flowers. Its yellow pigment component is crocin, which is similar to the crocin found in saffron.
Gardenia yellow is effective in staining proteins and starches. It has good light and heat resistance under neutral or slightly alkaline conditions, but its heat and light resistance are lower under low pH conditions, making it susceptible to browning.
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