Hibiscus sabdariffa (Roselle) — Hermetica Encyclopedia
Herbs (Global Traditional) · African

Hibiscus sabdariffa (Roselle)

Provisional Moderate Scorebotanical

Hermetica Superfood Encyclopedia

Evidence review status: unreviewed

Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.

Review flags: AWAITING_SEMANTIC_VALIDATION

Provisional Summary

Hibiscus sabdariffa contains anthocyanins including delphinidin-3-sambubioside (2701 ppm) and cyanidin-3-sambubioside (1939 ppm) that provide antioxidant activity. The extract inhibits digestive enzymes α-glucosidase and α-amylase, supporting metabolic health through carbohydrate metabolism regulation.

Screened PMID Records
Reported Benefits
Pending
Synergy Review
At a Glance
CategoryHerbs (Global Traditional)
GroupAfrican
Public Score StatusProvisional Moderate
Primary Keywordhibiscus sabdariffa benefits
Hibiscus sabdariffa close-up macro showing natural texture and detail — rich in antioxidant, antihypertensive, diuretic
Hibiscus sabdariffa (Roselle) — botanical close-up

Origin & History

Hibiscus sabdariffa growing in Africa — natural habitat
Natural habitat

Hibiscus sabdariffa (Roselle) is a flowering plant in the Malvaceae family, native to tropical Africa and cultivated globally in warm climates for its edible red calyces (sepals). The dried calyces are extracted using aqueous, methanolic, or ethanolic methods to yield bioactive compounds including anthocyanins, phenolic acids, flavonoids, and organic acids.

Roselle calyces have been used for centuries in African, Asian, and Caribbean traditional medicine systems as teas and infusions for antihypertensive, diuretic, liver-protective, and anti-obesity purposes. Historical analyses confirm the presence of anthocyanin pigments in dried calyces used in traditional beverages like karkade.Traditional Medicine

Research Narrative (Provisional)

The available research lacks specific human clinical trials, RCTs, or meta-analyses with PubMed PMIDs. Current evidence consists primarily of in vitro enzyme inhibition assays and chemical composition analyses, indicating preliminary support for antioxidant, antidiabetic, and anti-inflammatory effects.

Preparation & Dosage

Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.

Nutritional Profile

{"macronutrients": {"protein": "1.0 g per 100 g", "fiber": "12.5 g per 100 g"}, "micronutrients": {"vitamin_C": "12 mg per 100 g", "calcium": "215 mg per 100 g", "iron": "8.64 mg per 100 g", "magnesium": "51 mg per 100 g"}, "bioactive_compounds": {"anthocyanins": {"delphinidin-3-sambubioside": "2701 ppm", "cyanidin-3-sambubioside": "1939 ppm"}, "organic_acids": {"hibiscus_acid": "1.5 g per 100 g"}}, "bioavailability_notes": "The bioavailability of anthocyanins can be affected by factors such as food matrix and individual metabolism. Vitamin C enhances iron absorption."}

Reported Mechanism (Provisional)

Mechanism of Action

Hibiscus sabdariffa's anthocyanins, particularly delphinidin-3-sambubioside and cyanidin-3-sambubioside, inhibit carbohydrate-digesting enzymes α-glucosidase (up to 1.46 mmol ACAE/g) and α-amylase (up to 0.59 mmol ACAE/g). These compounds reduce carbohydrate breakdown and absorption while providing antioxidant protection through free radical scavenging. The enzyme inhibition occurs through competitive binding at the active sites of these digestive enzymes.

Clinical Narrative (Provisional)

Current evidence for Hibiscus sabdariffa is based primarily on in vitro laboratory studies measuring enzyme inhibition and antioxidant capacity. The quantified enzyme inhibition values of 1.46 mmol ACAE/g for α-glucosidase and 0.59 mmol ACAE/g for α-amylase demonstrate potential metabolic benefits. Anthocyanin content has been measured at 2701 ppm for delphinidin-3-sambubioside and 1939 ppm for cyanidin-3-sambubioside. Human clinical trials with specific dosages and patient outcomes are needed to confirm therapeutic efficacy and optimal dosing protocols.

Also Known As

Hibiscus sabdariffaRoselleRed sorrelJamaica sorrelFlor de JamaicaKarkadeZoboSorrel

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These statements have not been evaluated by the Food and Drug Administration. This content is for informational purposes only and is not intended to diagnose, treat, cure, or prevent any disease.
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