Croton lechleri Latex

DEFINITION

The article consists of the latex of Croton lechleri Müll. Arg. (Family Euphorbiaceae). The latex oozes out upon cutting or slashing the bark of the tree, collected in rainy season. It meets the Acceptance criteria under the Assay.

SYNONYMS

Croton draco var. cordatus Müll. Arg.

Oxydectes lechlen (Müll. Arg.) Kuntze

POTENTIAL CONFOUNDING MATERIALS

Croton palanostigma Klotzsch

Croton salutaris Casar.

Daemonorops draco (Willd.) Blume

Dracaena cinnabari Balf.f.

Dracaena draco (L.) L.

Eucalyptus resinifera Sm.

Pterocarpus draco L.

Pterocarpus officinalis Jacq.

SELECTED COMMON NAMES

English: Dragon’s blood, dragon’s blood croton

Spanish: Sangre de dragon, sangre de drago, sangre de grado

CONSTITUENTS OF INTEREST

Oligimeric proanthocyanidins

Alkaloids

IDENTIFICATION

• A. Botanical Characteristics

Macroscopic: Croton lechleri Latex occurs as irregular pieces of variable shapes and sizes; brownish-red on the surface and blood-red inside and when freshly powdered.

• B. Thin-Layer Chromatography

CALL FOR SUBMISSION OF VALIDATED INFORMATION

Additional information including validation data will be required to complete the development of the Identification. For requirements, please see under "Identification" and related sections of the guidelines document “Monographs in the Herbal Medicines Compendium” at http://hmc.usp.org/about/general-noticesguidelines.

Interested parties are encouraged to submit their proposals to complete the monograph.

ASSAY

• Content of Constituents of Interest

CALL FOR SUBMISSION OF VALIDATED INFORMATION

Additional information including validation data will be required to complete the development of the Assay. For requirements, please see under "Composition" and related sections of the guidelines document “Monographs in the Herbal Medicines Compendium” at http://hmc.usp.org/about/general-noticesguidelines.

Interested parties are encouraged to submit their proposals to complete the monograph.

CONTAMINANTS

• Articles of Botanical Origin, General Method for Pesticide Residues Analysis <561>: Meets the requirements

ADDITIONAL REQUIREMENTS

• Packaging and Storage: Preserve in well-closed containers, protected from light and moisture, and store at room temperature.

• Labeling: The label states the Latin binomial and the part of the plant contained in the article.

• USP Reference Standards <11>

TO COME

This discussion has not yet started. Be the first to begin it!

Please join the Herbal Medicines Compendium Online Community. Sign up is free and easy or simply mail your comments to comments.hmc@usp.org