crab's eye

Abrus precatorius · Accepted scientific name

Scientific literature: Very Extensive (457 studies) · ★★★★★

Crab's eye, scientifically known as Abrus precatorius, is a creeping perennial legume widely distributed across tropical regions. Renowned for its distinctive, bright red seeds with black tips, this plant possesses significant pharmacological potential. However, it contains abrin, a highly potent toxin, requiring careful handling in medicinal applications.

Family
Fabaceae
Native range
Africa
Parts used
Seed · Leaf
Common names
Jumbi Bead · Jumbie Beads · 26 more
Scientific synonyms
Not available

Names

Common Names

Regional and Traditional Names

Spanish:

  • Abrus squamulosus
  • Pepusa
  • Abrus cyaneus
  • Peronilla
  • Abrus precatorius var. novo guineensis
  • Regaliz americano
  • Abrus precatorius var novo-guineensis
  • Abro
  • Abrus tunguensis
  • Glycine abrus
  • Abrus abrus
  • Abrus maculatus
  • Abrus pauciflorus
  • Abrus precatorius var novo guineensis
  • Bugallón
  • Chochitos de indio
  • Bugallon
  • Coralillo asiático
  • Peonía

German:

  • Paternostererbse
  • Paternostererbsen
  • Paternostererbse

French:

  • abrus à chapelet
  • haricot paternoster
  • pois rouge
  • Cascavelle
  • Réglisse marron
  • Réglisse marronne
  • Soldat
  • liane réglisse

Scientific Names

Accepted name

Abrus precatorius

Taxonomical Classification

This plant belongs to the kingdom Plantae and is classified within the phylum Streptophyta and the class Equisetopsida. It is further categorized under the subclass Magnoliidae and the order Fabales. As a member of the Fabaceae family, it is specifically identified by the genus Abrus.

Rank Classification Source
Kingdom Plantae WCVP
Phylum Streptophyta WCVP
Class Equisetopsida WCVP
Subclass Magnoliidae WCVP
Order Fabales WCVP
Family Fabaceae WCVP
Genus Abrus WCVP

Distribution

This plant exhibits a diverse geographical distribution spanning multiple regions across the Atlantic and Africa. In the Macaronesia region, it can be found specifically in Cape Verde. Its presence extends significantly into West Tropical Africa, where it is documented in Benin and Burkina. Additionally, the species is located within the territories of Gambia and Guinea-Bissau. Together, these locations highlight the plant's ability to thrive in various tropical environments.

Region Area Source
Macaronesia Cape Verde WCVP
West Tropical Africa Benin WCVP
West Tropical Africa Burkina WCVP
West Tropical Africa Gambia WCVP
West Tropical Africa Guinea-Bissau WCVP
West Tropical Africa Guinea WCVP
West Tropical Africa Ivory Coast WCVP
West Tropical Africa Liberia WCVP
West Tropical Africa Mali WCVP
West Tropical Africa Mauritania WCVP

Plant Parts

This plant, known commonly as Rosary Pea, possesses various components that are utilized in traditional medicine. The most distinctive feature is the seeds, which are bright red with a black spot and contain potent toxins. The leaf structure consists of trifoliate arrangements, where each individual leaves unit contributes to the plant's overall photosynthetic capacity. In many pharmacological studies, the seed is specifically isolated for its chemical properties, while the aerial parts are often harvested in their entirety for decoctions and topical applications.
Plant Part Sources Consensus
seed Asian Pacific journal of tropical medicine (and other 11 sources) ★★★★★
leaf Asian Pacific journal of tropical medicine (and other 9 sources) ★★★★☆
root Journal of ethnopharmacology (and other 2 sources) ★☆☆☆☆
stem Journal of ethnopharmacology (and other 2 sources) ★☆☆☆☆
flower Asian Pacific journal of tropical medicine (and other 1 sources) ★☆☆☆☆

Chemicals

Abrus precatorius has 78 reported phytochemicals identified across 25 scientific publications and several other databases. The most consistently reported chemicals include Flavonoids, Abruquinone A, Abruquinone B, Abrusogenin, Cirsimaritin.

Chemicals reported in Abrus precatorius
Chemical Supporting sources Consensus
Flavonoids 3 supporting sources ★★☆☆☆
Abruquinone A 2 supporting sources ★☆☆☆☆
Abruquinone B 2 supporting sources ★☆☆☆☆
Abrusogenin 2 supporting sources ★☆☆☆☆
Cirsimaritin 2 supporting sources ★☆☆☆☆
ETHYL ACETATE 2 supporting sources ★☆☆☆☆
Gallic acid 2 supporting sources ★☆☆☆☆
glycyrrhizin 2 supporting sources ★☆☆☆☆
linoleic acid 2 supporting sources ★☆☆☆☆
polyphenols 2 supporting sources ★☆☆☆☆

Flavonoids

  1. Future science OA
  2. International journal of medicinal chemistry
  3. Asian Pacific journal of tropical biomedicine

Abruquinone A

  1. Dr. Duke
  2. European journal of pharmacology

Abruquinone B

  1. Dr. Duke
  2. Experimental parasitology

Abrusogenin

  1. Dr. Duke
  2. Biomedical engineering and computational biology

Cirsimaritin

  1. Biomedical engineering and computational biology
  2. Planta medica

ETHYL ACETATE

  1. Asian Pacific journal of tropical medicine
  2. Scientific reports

Gallic acid

  1. Dr. Duke
  2. Journal of separation science

glycyrrhizin

  1. Dr. Duke
  2. Planta medica

linoleic acid

  1. Dr. Duke
  2. Scientific reports

polyphenols

  1. Planta medica
  2. International journal of medicinal chemistry

Activities

Abrus precatorius has 267 reported activities identified across 25 scientific publications and several other databases. The most consistently reported activities include Antioxidant, Anticancer, Antidiabetic, Antiallergic, Antiangiogenic.

Most Reported Activities

Activity Sources Consensus
Antioxidant Dr. Duke (and other 5 sources) ★★★☆☆
Anticancer Dr. Duke (and other 4 sources) ★★☆☆☆
Antidiabetic Dr. Duke (and other 3 sources) ★★☆☆☆
Antiallergic Dr. Duke (and other 2 sources) ★☆☆☆☆
Antiangiogenic Dr. Duke (and other 2 sources) ★☆☆☆☆
Antifertility Dr. Duke (and other 2 sources) ★☆☆☆☆
Antiproliferative Scientific reports (and other 2 sources) ★☆☆☆☆
Antitumor Dr. Duke (and other 2 sources) ★☆☆☆☆
Chemopreventive Dr. Duke (and other 2 sources) ★☆☆☆☆
Cytotoxic Dr. Duke (and other 2 sources) ★☆☆☆☆

Medicinal Uses

Abrus precatorius has 35 reported medicinal uses identified across 25 scientific publications and several other databases. The most consistently reported uses include inflammation, malaria, Diabetes mellitus, Plasmodium falciparum, Schistosomiasis.

Most Reported Uses

Use Sources Consensus
inflammation Journal of ethnopharmacology (and other 2 sources) ★☆☆☆☆
malaria Journal of ethnopharmacology (and other 2 sources) ★☆☆☆☆
Diabetes mellitus Planta medica (and other 1 sources) ★☆☆☆☆
Plasmodium falciparum Parasitology research (and other 1 sources) ★☆☆☆☆
Schistosomiasis Biomedical engineering and computational biology (and other 1 sources) ★☆☆☆☆
abdominal pain Journal of ethnopharmacology (and other 1 sources) ★☆☆☆☆
allergy Planta medica (and other 1 sources) ★☆☆☆☆
anemia Veterinary and human toxicology (and other 1 sources) ★☆☆☆☆
angiogenesis Scientific reports (and other 1 sources) ★☆☆☆☆
anti-malarial Asian Pacific journal of tropical biomedicine (and other 1 sources) ★☆☆☆☆

Preparations

Preparations Sources Consensus
seeds Biochimica et biophysica acta (and other 3 sources) ★★☆☆☆
methanol extract Biochemistry research international (and other 2 sources) ★☆☆☆☆
70% ethanol extracts BMC complementary and alternative medicine (and other 1 sources) ★☆☆☆☆
80% methanol extract Biochemistry research international (and other 1 sources) ★☆☆☆☆
Abrus agglutinin Acta pharmacologica Sinica (and other 1 sources) ★☆☆☆☆
Soxhlet and Maceration extraction methods Scientific reports (and other 1 sources) ★☆☆☆☆
acid hydrolyzed methanol-soluble extract Natural product letters (and other 1 sources) ★☆☆☆☆
aqueous extract The Onderstepoort journal of veterinary research (and other 1 sources) ★☆☆☆☆
aqueous extract of the leaves The Onderstepoort journal of veterinary research (and other 1 sources) ★☆☆☆☆
aqueous extract of the seeds Iranian journal of immunology : IJI (and other 1 sources) ★☆☆☆☆