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Chocolate Strawberries

Rainbow OPCs

OPCs (oligomeric proanthocyanidins) are powerful plant antioxidants found naturally in many of the most deeply coloured fruits, berries, seeds, bark, and leaves. Like the colours of the rainbow, these protective compounds are distributed throughout the plant kingdom, with each food offering its own unique blend of polyphenols that support health and resilience.

List of Rainbow Foods containing OPCs

🔴 Red Foods

Excellent

  • Cranberries ★★★★★

  • Red grapes ★★★★★

  • Pomegranate ★★★★★

  • Cinnamon ★★★★★

Very Good

  • Red apples ★★★★

  • Red potatoes ★★★★

Good

  • Cherries ★★★

  • Strawberries ★★★

  • Raspberries ★★★

  • Salmonberries ★★★

  • Goji berries ★★★

Moderate

  • Red plums ★★

  • Rhubarb ★★

Small

  • Tomatoes ★

  • Tomato sauce ★

  • Watermelon ★

  • Red peppers ★

🟠 Orange Foods

Moderate

  • Apricots ★★

  • Peaches ★★

  • Pinto beans ★★★

  • Kidney beans ★★★

Small

  • Butternut squash ★

  • Oranges ★

  • Pumpkin ★

  • Carrots ★

  • Sweet potato ★

  • Mango ★

  • Papaya ★

🟡 Yellow Foods 

Excellent

  • Pecans ★★★★

  • Hazelnuts ★★★★

Good

  • Pistachios ★★★

  • Almonds ★★★

  • Almond butter ★★★

  • Walnuts ★★★

Moderate

  • Golden apples ★★★

  • Cashews ★★

  • Nut butters (cashew, walnut, pistachio) ★★

  • Sesame butter ★★

  • Pears ★★

  • Quinoa ★★

Small

  • Macadamia nuts ★

  • Sunflower seed butter ★

  • Corn ★

  • Extra-virgin olive oil ★ (trace amounts of proanthocyanidins; richer in other polyphenols)

  • Lecithin ★ (depends on source and processing)

🟢 Green Foods

Moderate

  • Green apples ★★★★

  • Green grapes ★★★★★

  • Avocados ★★

  • Fava beans ★★

Small 

  • Green beans ★

  • Kale ★

  • Spinach ★

  • Broccoli ★

  • Asparagus ★

  • Arugula ★

  • Brussels sprouts ★

🔵 Blue / Indigo Foods

Excellent 

  • Blueberries ★★★★★

  • Black currants ★★★★★

  • Aronia (chokeberries) ★★★★★

  • Elderberries ★★★★★

  • Concord grapes ★★★★★

🟣 Purple Foods

Excellent

  • Purple grapes ★★★★★

  • Black grapes ★★★★★

  • Blackberries ★★★★★

  • Blueberries ★★★★★

Good

  • Plums ★★★

  • Prunes ★★★★

Moderate

  • Purple cabbage ★★

  • Eggplant ★★

🟤 Brown Foods 

Excellent

  • Dark chocolate (70%+ cocoa) ★★★★★

  • Unsweetened cocoa powder ★★★★★

Good

  • Buckwheat ★★★

  • Whole oats and unsweetened oat cereal ★★★

Moderate

  • Whole wheat ★★

  • Sprouted grains ★★

  • Barley ★★

  • Spelt ★★

  • Kamut ★★

  • Rye ★★

  • Whole grain sourdough bread ★★

  • Whole grain pasta ★★

Small

  • Amaranth ★

  • Teff ★

  • Brown rice ★

⚫ Black Foods

Excellent

  • Black beans ★★★★

Good

  • Figs (especially dried) ★★★

  • Black olives ★★★

Moderate

  • Blackstrap molasses ★★

  • Poppy seeds ★★

  • Balsamic vinegar ★★

  • Black Panda licorice ★★ (contains blackstrap molasses)

Small

  • Wild rice ★

  • Black pepper ★

⚪ White Foods 

Good

  • Sesame seeds ★★★

  • Tahini ★★★

Moderate

  • Soy protein powder ★★

  • Tofu ★★

  • Soy milk ★★

  • Almonds and almond milk ★★

  • Onion ★★

  • Shallot ★★

  • Leek ★★

  • Garlic ★★

Small

  • Cauliflower ★

  • Turnip ★

  • Potato (especially with the skin) ★

  • Jicama ★

  • Coconut and coconut butter ★

  • Oat milk ★

  • Rice milk ★

⚪ Clear Foods 

Moderate

  • Rice bran ★★

  • Oat bran ★★

Small

  • Psyllium ★

  • Guar gum ★

  • Nori ★

  • Kelp ★

  • Sea vegetables ★

🌸 Pink Foods 

Excellent

  • Cinnamon tea ★★★★

  • Pine bark tea ★★★★

  • Grape seed tea ★★★★

Moderate

  • Pink grapefruit ★★

  • Rose hip tea ★★

Small

  • Beets ★

  • Herbal teas ★ (varies greatly depending on the herbs used: some, such as cinnamon tea, rosehip tea, grape seed tea, and pine bark tea, can be meaningful sources of OPCs, while others contribute little or none.  )

  • Salad dressing ★ (if made with ingredients such as balsamic vinegar, berries, herbs, or extra-virgin olive oil)

Exceptional OPC Sources

  • ★★★★★ Grape seeds

  • ★★★★★ Pine bark

  • ★★★★★ Aronia (chokeberries)

  • ★★★★★ Cranberries

  • ★★★★★ Red, purple and black grapes

  • ★★★★★ Pomegranate

  • ★★★★★ Cocoa powder / dark chocolate

  • ★★★★★ Blueberries

  • ★★★★★ Black currants

  • ★★★★★ Elderberries

  • ★★★★★ Cinnamon

Rainbow Amid Clouds

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