Skip to main content
ARS Home » Pacific West Area » Albany, California » Western Regional Research Center » Healthy Processed Foods Research » Research » Publications at this Location » Publication #335800

Research Project: Defining, Measuring, and Mitigating Attributes that Adversely Impact the Quality and Marketability of Foods

Location: Healthy Processed Foods Research

Title: Crystal structure of cocosin, a potential food allergen from coconut (Cocos nucifera) (abstract)

Author
item Zhang, Yuzhu
item Jin, Tengchuan - University Of Science And Technology Of China

Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: 11/21/2016
Publication Date: N/A
Citation: N/A

Interpretive Summary:

Technical Abstract: RATIONALE: Coconut allergy cases have been reported, but only one coconut allergen has been identified. The 11S seed storage proteins belong to one of a few protein families that contain known food allergens in many food of plant sources. Cocosin, the 11S protein from cocosin remains to be characterized as a potential food allergen. METHODS: Cocosin was purified from coconut meat. Its characterization was carried out by crystallization any x-ray crystallography studies. RESULTS: The crystal structure of cocosin was determined by molecular replacement. Information on likely linear IgE epitopes was inferred from sequence and structural comparison with other 11S food allergens. CONCLUSIONS: Cocosin is likely to be a food allergen and its potential linear epitopes need to be further studied with patient sera when available.