What is eating the rainbow? The phytochemical differences between colors of produce

From the perspective of color psychology, color has a real influence on mood and mental state. The different colors in a rainbow diet offer visual pleasure and stimulation, which has a positive effect on how we feel. Vivid, varied food also makes eating more enjoyable and satisfying, lifting overall mood. [1]

Have you heard of, or tried, eating the rainbow? When experts recommend "Eat the rainbow", what they are really telling us is to eat fruits and vegetables across a wider range of colors. Research shows that a colorful, varied diet plays a very significant role in health and longevity. So let us get to know the rainbow diet together, fill the plate with brightly colored fruits and vegetables, and make health a livelier business.

Eight in ten Americans fall short on phytonutrients in almost every color category

• 69% of Americans fall short on green phytonutrients
• 78% of Americans fall short on red phytonutrients
• 86% of Americans fall short on white phytonutrients
• 88% of Americans fall short on purple and blue phytonutrients
• 79% of Americans fall short on yellow and orange phytonutrients

2009 Report about phytonutrients

The importance of eating the rainbow for antioxidant intake hardly needs stating. This way of eating emphasizes fruits and vegetables across a rich range of colors, and these foods contain different antioxidants. Here is why the rainbow diet matters where antioxidants are concerned:

Working on several fronts

Fruits and vegetables of different colors contain all sorts of different antioxidants: carotenoids (orange and yellow), anthocyanins (red and purple), flavonoids (green and blue), sulfur compounds (white) and polysaccharides (black). Each antioxidant has its own properties and benefits, and eating across a range of colors ensures you take in a range of antioxidants. It is rather like a group of close friends, each with their own distinctive character, who together make the whole group more fun.

Making 1 + 1 > 2

When these antioxidants work together they can produce a synergistic effect. The antioxidants in different rainbow foods cooperate with one another, strengthening your capacity to counter oxidative stress. That synergy is like a colorful performance where every color on display amplifies the others, making the defense against free radicals that much better. These antioxidants work with one another like a warm, supportive team, standing together against oxidative stress.

Nutrient-rich

Rainbow foods are rich not only in antioxidants but in other important nutrients such as vitamins, minerals and fiber. Eating across a range of colors ensures the body receives a rich and varied supply of nutrients, supporting health overall. The rainbow diet is not merely a source of antioxidants; it supplies many other important nutrients too, like a gift of all-round care for the body. These nutrients are vital for brain function and mental health, helping reduce stress and anxiety and improving mood and emotional stability.

Countering inflammation

Many of the antioxidants in rainbow foods are also anti-inflammatory. Chronic inflammation is linked to a great many diseases, and eating rainbow foods with anti-inflammatory effects helps maintain balance in the body and ease the inflammatory response.

Keeping disease at a distance

Oxidative stress caused by free radicals can lead to chronic disease, including heart disease, cancer and neurodegenerative conditions. Antioxidants help counter oxidative stress and lower the risk of these diseases. Eating the rainbow may therefore reduce your risk of developing them. We want to protect our bodies from disease, much as we want to protect our families.

Whether you love food or focus on health, eating the rainbow is worth trying. By eating fruits and vegetables across a range of colors you give yourself a rich supply of nutrients and antioxidants, strengthen immunity and lower your risk of chronic disease.

Remember, when you are choosing ingredients, include red, orange, yellow, green, blue and purple fruits and vegetables, and make the plate as colorful a picture as you can. Beyond tasting good, these vividly colored foods bring real vitality to your health. Give your body the full range of nutrients nature has to offer.

Enrich your life with a rainbow of flavors

References:

1. The association between dietary phytochemical index with depression and quality of life in iranian adolescent girls
   Abbas Ali Sangouni,^1,2 Azam Ahmadi Vasmehjani,^1,2 Majid Ghayour-Mobarhan,³ Gordon A. Ferns,⁴ and Sayyed Saeid Khayyatzadeh^1,2

2. A Review of the Science of Colorful, Plant-Based Food and Practical Strategies for "Eating the Rainbow"Deanna M. Minich1 , 2