Marigold
The fundamentals
Latin name: Tagetes erecta
Pigment: Lutein
E-number: E-161b
Five facts about marigold
Marigold flowers are edible and can be used fresh, dried or infused into beverages. Some varieties give an anise-like flavor and can be used as a substitute for French tarragon.
Marigolds are often planted among other plants in gardens because they deter pests and attract pollinators like bees, butterflies, moths and even hummingbirds.
Marigolds are used widely in Hindu rituals, symbolizing vibrancy and positivity of life. So it may be surprising to learn that marigolds are not native to India; they were introduced in the 1500’s.
Marigolds are native to Mexico, and were cultivated by the Aztecs for medicinal, ceremonial, protective and decorative purposes. They are widely used in Mexico at the traditional Day of the Dead celebration.
Marigolds contain lutein which is considered to be a powerful antioxidant and may have additional benefits for the health of our eyes.
How marigold is grown
There are hundreds of varieties of marigold and they are typically a hardy plant. An African marigold is used to produce natural colors.
Tagetes erecta marigolds are bushy annual plants that need to be planted each year. They grow to be more than 60 cm (2 feet) tall and take 75 days to reach maturity. The flower heads can be up to 4” across.
Marigold harvest calendar and growing areas
In the northern hemisphere, marigold is sown in the spring and harvested in late summer. It is drought tolerant, can grow in a variety of soil types, and has few insect or disease problems.
What you should know about lutein from marigold
Oterra's stable, industry-leading formulations allow you to benefit from all of the advantages of marigold as a natural food color while minimizing any intrinsic challenges associated with this plant.
The primary coloring property of marigold petals is lutein. Lutein is a phytochemical that belongs to the class of carotenoids known as xanthophylls. It is naturally oil soluble but can be formulated to be water dispersible.
As a color, lutein produces an attractive bright yellow that is neither warm or cold.
Natural Strengths
Stable to heat and light
Unaffected by pH
Natural Challenges
When used in high dosages, it can impart taste
May require ascorbic acid in high-water-activity applications
