Iggy

Blackcurrant

A tart, deep-purple berry (Ribes nigrum) rich in vitamin C and purple anthocyanin pigments that give color and flavor to foods.

Should I eat Blackcurrant?

For nutrients and potential glucose benefits, choose products that use real blackcurrant fruit, not just 'fruit juice (color)'. If you’re salicylate-sensitive or have a reactive gut, keep portions modest and skip concentrates.

Summary

Blackcurrant is a tart, deep-purple berry rich in vitamin C and anthocyanin pigments. Regulators recognize these pigments as food colors and reviews report no safety concern at approved uses. Human absorption of the pigments is limited, so effects are modest; still, small trials show whole-fruit servings can blunt post-meal glucose. People sensitive to salicylates may react, and large amounts of concentrates can upset the gut. When used only as color, amounts are tiny and add little nutrition.

Key Research Benefits

Antioxidant pigments plus vitamin C

Blackcurrant brings purple anthocyanins (plant pigments with antioxidant activity) and packs high vitamin C. This supports your body’s defenses against oxidative stress.

Low glycemic impact potential

Whole-fruit servings (about 75 g purée) have lowered post-meal blood sugar in small trials, and fresh blackcurrant has a low GI. This may help smooth glucose spikes after carb-heavy foods.

Key Research Risks

Salicylates can trigger symptoms

Blackcurrant contains natural salicylates; sensitive people can react, especially with concentrated or dried forms. If you’re sensitive, keep portions small and avoid concentrates.

Large intakes may upset gut

Very large servings of fruit or concentrates can cause bloating or loose stools because of sugars and acids. Portions around 75 g purée were well tolerated in a clinical study.

Color adds little nutrition

When the label lists 'fruit juice (color),' the amount used is tiny and does not add meaningful vitamin C or polyphenols. Don’t count it toward fruit intake.

Overview

What is it?

Source: Blackcurrants
Method: Press juice; clarify; concentrate or dry
Processing Level: 1 / 10

Why is it used?

Purpose: Natural purple color and tart berry flavor with vitamin C.
Commonly found in: protein bars, gummies, beverages, fruit snacks, yogurts
Why manufacturers choose it: Delivers vivid purple color and distinctive cassis flavor at low use levels while fitting clean‑label expectations.

Origin

Blackcurrant is a cold-climate shrub native to Northern Europe and Asia. Its cultivation surged in the UK and Eastern Europe; the berry’s juice and ‘cassis’ products became culinary staples. In the early 1900s, U.S. blackcurrant cultivation waned due to white pine blister rust regulations, but plantings later resumed in select states. The modern food industry uses blackcurrant juice, concentrates, and powders for natural color and flavor.

Process: Press juice; clarify; concentrate or dry

Steps

1. Harvest & wash: Ripe berries cleaned of debris.
2. Crush/press: Juice expressed from berries.
3. Clarify/filter: Remove pulp; optional enzyme-aided clarification.
4. Stabilize: Pasteurize to preserve.
5. Concentrate or dry: Vacuum concentration; or spray/air dry to powder.

Chemicals

Research & Safety

Research Summary

Blackcurrant (Ribes nigrum) is a tart, dark‑purple berry rich in vitamin C and anthocyanin pigments. Regulatory reviews consider anthocyanins safe at approved uses: the EU authorizes them as color E163, and the U.S. permits fruit‑juice color uses under good manufacturing practice. As a food, blackcurrant provides nutrients and polyphenols; as a color additive, the amounts added are very small and mainly for appearance, not nutrition. Human studies suggest potential but modest functional effects. A controlled trial found about 75 g of blackcurrant purée reduced post‑meal glucose rise, and the berry’s GI is low, yet anthocyanins are absorbed in small amounts and effects vary among people. Overall, whole fruit is a nutrient‑dense choice; concentrated colors and flavors can enhance products’ look and taste while contributing little nutrition.

Digestive Effects

Most people tolerate typical food amounts well. Clinical testing with ~75 g of purée found no major issues, though very large servings of fruit or concentrates may cause bloating or loose stools in sensitive individuals. People with IBS or fructose malabsorption sometimes do better with smaller portions and testing tolerance. Start with modest amounts and increase as comfortable.

Limit Consumption

Individuals on physician‑directed low‑salicylate diets should limit or avoid blackcurrant, particularly in concentrated forms. Those with a history of fruit allergies or pollen‑food syndrome should introduce it cautiously and stop if symptoms occur. For infants and young children, whole fruit should be offered in age‑appropriate textures; when used as a color additive, amounts follow good manufacturing practice with no infant‑specific prohibition noted. People managing blood sugar should remember that whole fruit offers fiber and polyphenols, while color‑use levels are nutritionally negligible.

Fact Sheet

Regulatory Status

US FDA: Whole fruit is GRAS as a conventional food. As a color additive, fruit juice color (including blackcurrant) is listed at 21 CFR §73.250 (exempt from certification).
EU Status: Anthocyanins (E163) authorised as food color; blackcurrant extract corresponds to INS 163(iii).
Codex INS: 163(iii) (Blackcurrant extract)
JECFA ADI: No ADI allocated for anthocyanins (class); specification exists for INS 163(iii).

ESG & Sustainability

Environmental Footprint: Perennial shrubs; regional sourcing (EU/NZ) reduces annual tilling; specific LCA data vary by farm and processing.
Sustainability: Supports natural color replacement of synthetics; by-products (pomace) can be upcycled into fiber powders.
Animal Welfare: Not applicable (plant ingredient).
Carbon Footprint: Not well-characterized; transport and concentration/drying steps drive impacts.

Allergens and Diet

Allergen Status: None
Diet Compatibility: Vegan, Vegetarian, Kosher, Halal, Gluten-free, Dairy-free, Non-GMO

Natural Alternatives

Blueberry

Source: Blueberries (Vaccinium spp.)
Processing Level: Light
Common Uses: Coloring, flavoring, powders, inclusions
Replacement Benefit: Similar whole-fruit profile with polyphenols and fiber; widely available.
Why it's not used: Blackcurrant delivers deeper purple hue and sharper tart flavor that stands out at low use levels.

Blackberry

Source: Blackberries (Rubus spp.)
Processing Level: Light
Common Uses: Flavor, pieces, purees, powders
Replacement Benefit: Whole-fruit option with fiber and polyphenols; familiar taste.
Why it's not used: Blackcurrant’s anthocyanins yield more stable, vivid purple and a distinctive ‘cassis’ flavor signature.

Tart cherry

Source: Sour cherries (Prunus cerasus)
Processing Level: Light
Common Uses: Color/flavor for bars and gummies
Replacement Benefit: Whole-fruit ingredient with polyphenols; widely sourced.
Why it's not used: Blackcurrant provides darker purple tone and stronger tartness at lower inclusion; supply chains established in EU/NZ.

Citations