Title
Anthocyanins from banana bracts (Musa X paradisiaca) as potential food colorants
Date Issued
14 May 2001
Access level
metadata only access
Resource Type
journal article
Author(s)
University of Maryland
Abstract
Banana (Musa X paradisiaca) bracts, abundant edible residues of banana production, were investigated as a potential source of natural colorant. Anthocyanins were extracted with acidified methanol, purified using C-18 resin, and characterized by UV-visible spectroscopy, physicochemical reactions, HPLC, and electrospray mass spectrometry. Monomeric anthocyanin content was 32.3 mg/100 g bracts on a cyanidin-3-rutinoside basis. Color characteristics (Hunter CIE L*hc) of a solution (absorbance of 0.3, 520 nm, pH 3.5), were L*=86.8, h=44.2 and c=12.7. Cyanidin-3-rutinoside represented ∼80% of the total pigment. Other anthocyanins were 3-rutinoside derivatives of delphinidin, pelargonidin, peonidin and malvidin. One acylated anthocyanin (∼2% of the pigment) was found but not identified. Acid hydrolysis of anthocyanins revealed the concomitant presence of six more common anthocyanidins (delphinidin, cyanidin, petunidin, pelargonidin, peonidin and malvidin) suggesting that, besides being a good pigment source, it could also be a useful tool for anthocyanin identification. Copyright © 2001 Elsevier Science Ltd.
Start page
327
End page
332
Volume
73
Issue
3
Language
English
OCDE Knowledge area
Biotecnología agrícola, Biotecnología alimentaria
Subjects
Scopus EID
2-s2.0-0035035649
Source
Food Chemistry
ISSN of the container
03088146
Sources of information:
Directorio de Producción Científica
Scopus