# Blue Pea Flower (Clitoria ternatea)

**Canonical URL:** https://ingredients.hermeticasuperfoods.com/ingredients/blue-pea-flower
**Data Source:** Hermetica Superfoods Ingredient Encyclopedia
**Updated:** 2026-04-01
**Evidence Score:** 2 / 10
**Category:** Adaptogen
**Also Known As:** Clitoria ternatea, butterfly pea flower, Asian pigeonwings, blue butterfly pea, cordofan pea, Darwin pea, blue tea, butterfly blue pea, aprajita, shankhpushpi, bunga telang, anchan, nam dok anchan

## Overview

Blue pea flower (Clitoria ternatea) contains anthocyanin-based pigments called ternatins and delphinidin glycosides, which exhibit [antioxidant activity](/ingredients/condition/antioxidant) by scavenging free radicals and inhibiting lipid peroxidation. Cyclotide compounds found in its leaves show [immunomodulatory](/ingredients/condition/immune-support) potential by modulating [cytokine](/ingredients/condition/inflammation) pathways, though human clinical evidence remains limited.

## Health Benefits

• [Antioxidant activity](/ingredients/condition/antioxidant) from delphinidin compounds (preliminary evidence only, no human trials available)
• Traditional use for general wellness in Southeast Asian folk medicine (no clinical validation)
• Potential [immunomodulatory](/ingredients/condition/immune-support) effects from cyclotide compounds (preclinical data only)
• Color-changing properties valued in traditional medicine systems (cultural use, no clinical evidence)
• Natural food coloring alternative (culinary application, not a health benefit per se)

## Mechanism of Action

Ternatin anthocyanins in Clitoria ternatea inhibit NF-κB signaling and reduce [pro-inflammatory cytokine](/ingredients/condition/inflammation) production, including TNF-α and IL-6, at the transcriptional level. Delphinidin-3,5-diglucoside directly scavenges [reactive oxygen species](/ingredients/condition/antioxidant) (ROS) and chelates transition metal ions that catalyze oxidative chain reactions. Cyclotide peptides, specifically cliotides, interact with membrane phosphatidylethanolamine to exert [immunomodulatory](/ingredients/condition/immune-support) and cytotoxic effects in preclinical models.

## Clinical Summary

Human clinical research on Clitoria ternatea is extremely limited, with most evidence derived from in vitro cell studies and rodent models. One small pilot study in healthy Thai adults (n=15) suggested an acute postprandial glycemic-lowering effect when butterfly pea flower tea was consumed with sucrose, but the sample size was insufficient for clinical conclusions. Animal studies have demonstrated anxiolytic effects comparable to diazepam via GABAergic modulation in rodent models, though this has not been replicated in human trials. Overall, the evidence base is preclinical and preliminary, and no standardized dosing protocols have been validated in controlled human studies.

## Nutritional Profile

Blue Pea Flower (Clitoria ternatea) is primarily consumed as a tea/infusion, so nutritional contribution from macronutrients is negligible in typical use. Dried flowers contain approximately 3-5% protein by dry weight, minimal fat (<1%), and roughly 60-65% total carbohydrates including structural polysaccharides. Dietary fiber content is moderate at approximately 15-20% dry weight, though this is largely irrelevant in infusion preparations where fiber is not extracted. The dominant bioactive compounds are anthocyanins, specifically ternatins (A1, A2, B1, B2, B3, B4, C1, C2, C3, C4, D1, D2) and delphinidin-3,5-glucosides, collectively present at approximately 1.0-2.5 mg/g dried flower weight, making them among the most structurally complex polyacylated anthocyanins known. Total phenolic content ranges from 8-15 mg gallic acid equivalents per gram dried flower. Flavonoids including kaempferol, quercetin, and myricetin glycosides are present at approximately 0.5-1.2 mg/g. Cyclotides (Cter A, Cter B, Cter M) — small disulfide-rich peptide macrocycles — are present in leaves and seeds at trace concentrations (µg/g range) with limited extraction into aqueous infusions. Minerals detected include calcium (~120 mg/100g dry weight), potassium (~180 mg/100g), magnesium (~40 mg/100g), and iron (~8 mg/100g dried material), though bioavailability from infusions is low (<10% of mineral content transfers to liquid). Vitamin C is present at approximately 10-20 mg/100g dried flower but degrades significantly with hot water preparation. Anthocyanin bioavailability from aqueous extracts is estimated at 5-15% absorption in human gut, with bioavailability influenced by gastric pH; the characteristic color shift from blue (alkaline) to purple/pink (acidic) reflects anthocyanin structural changes at pH transition points, which may affect bioavailability kinetics. No significant vitamin B complex, omega fatty acids, or complete amino acid data are currently documented in peer-reviewed literature for this specific species.

## Dosage & Preparation

No clinically studied dosage ranges are available as human trials are absent. Traditional preparations involve flower tea infusions, but standardization and specific quantities are unspecified in the research. Consult a healthcare provider before starting any new supplement.

## Safety & Drug Interactions

Blue pea flower is generally considered safe when consumed as a food-grade tea in culinary quantities, with no serious adverse events reported in traditional use populations. Due to preliminary evidence of hypoglycemic effects, individuals taking antidiabetic medications such as metformin or insulin should exercise caution, as additive [blood glucose](/ingredients/condition/weight-management)-lowering effects are theoretically possible. Pregnant and breastfeeding women are advised to avoid concentrated extracts, as some animal data suggests uterotonic activity from unidentified alkaloid fractions. Individuals on anticoagulant therapy should consult a healthcare provider, given the [antioxidant](/ingredients/condition/antioxidant) compounds' potential to modestly affect platelet aggregation pathways.

## Scientific Research

No human clinical trials, RCTs, or meta-analyses for Clitoria ternatea flower extracts were found in the research dossier. All available evidence comes from preclinical studies identifying chemical compounds like ternatins and cyclotides, but without human efficacy or safety data.

## Historical & Cultural Context

In Southeast Asian traditional medicine systems, particularly Thai and Vietnamese folk medicine, C. ternatea flowers are used for tea preparations often mixed with honey or lemon, valued for their color-changing properties. The flower also appears in Malaysian cuisine such as Nasi Kerabu for its natural blue coloring.

## Synergistic Combinations

Green tea, hibiscus, butterfly pea flower extract, vitamin C, quercetin

## Frequently Asked Questions

### What gives blue pea flower its color-changing property?

The vivid blue-to-purple color shift is caused by ternatin anthocyanins, specifically delphinidin-based glycosides, which are highly pH-sensitive. When an acidic ingredient like lemon juice (pH ~2-3) is added, these anthocyanins undergo structural protonation, shifting the color from blue to pink or red. This reaction is purely chemical and does not alter the bioactive compound content significantly.

### Does blue pea flower reduce anxiety?

Preclinical rodent studies have demonstrated anxiolytic effects attributed to flavonoids in Clitoria ternatea that appear to potentiate GABA-A receptor activity, similar in mechanism to benzodiazepines like diazepam. One mouse study observed significant reduction in anxiety-related behaviors at an extract dose of 50 mg/kg body weight. No peer-reviewed human clinical trials have confirmed this effect, so claims of anxiety relief in humans remain unvalidated.

### Can blue pea flower lower blood sugar levels?

A small Thai pilot study (n=15) found that consuming butterfly pea flower tea alongside a sucrose solution resulted in a statistically lower postprandial blood glucose peak compared to sucrose alone, attributed to ternatin anthocyanins inhibiting intestinal alpha-glucosidase enzymes. However, the study lacked a placebo-controlled design and had a very small sample size. People with diabetes should not substitute it for prescribed medication, and further controlled trials are needed to confirm this effect.

### What is the recommended dosage of blue pea flower?

No standardized clinical dosage has been established for Clitoria ternatea supplements because no large-scale human trials have defined therapeutic thresholds. Traditional Southeast Asian use typically involves brewing 8-15 dried flowers in 250 ml of hot water as a tea. Commercial extracts vary widely in ternatin concentration (often 5:1 to 20:1 standardization), and manufacturers commonly suggest 300-500 mg of dried extract daily, though these doses are not clinically validated.

### Is blue pea flower the same as butterfly pea flower?

Yes, blue pea flower and butterfly pea flower are common names for the same plant, Clitoria ternatea, a leguminous vine native to tropical Asia. It is also called Asian pigeonwings or Aparajita in Ayurvedic tradition. The name 'butterfly pea' refers to the distinctive butterfly-shaped blue flowers, which are the primary plant part used in both culinary applications and herbal preparations.

### Is blue pea flower safe during pregnancy and breastfeeding?

There is insufficient clinical evidence regarding the safety of blue pea flower supplementation during pregnancy and breastfeeding, so it is generally recommended to avoid use during these periods without medical supervision. Traditional use in Southeast Asian cultures does not replace formal safety studies in pregnant or nursing populations. Consult a healthcare provider before using blue pea flower if you are pregnant, planning pregnancy, or breastfeeding.

### Does blue pea flower interact with diabetes or blood pressure medications?

Blue pea flower has been studied for potential blood sugar and blood pressure effects, which theoretically could interact with medications for these conditions, though no formal drug interaction studies exist. If you take diabetes or hypertension medications, consult your healthcare provider before adding blue pea flower supplements, as combining them could affect medication efficacy or safety. Monitor your blood sugar and blood pressure closely if you choose to use blue pea flower alongside prescription medications.

### What is the evidence quality for blue pea flower's health benefits?

Most research on blue pea flower is preclinical or conducted in animal models; human clinical trials are extremely limited, making it difficult to confirm efficacy claims. The antioxidant and immunomodulatory compounds identified in the plant (delphinidin and cyclotides) show promise in laboratory settings but lack the rigorous human studies needed to establish clinical benefit. Current evidence is strongest for its traditional use as a food ingredient and beverage rather than as a therapeutic supplement.

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*Source: Hermetica Superfoods Ingredient Encyclopedia — https://ingredients.hermeticasuperfoods.com*
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