Carotenoid composition of Algerian date varieties (Phoenix dactylifera) at different edible maturation stages

被引:71
作者
Boudries, Hafid
Kefalas, Panagiotis
Hornero-Méndez, Damaso
机构
[1] CSIC, Dept Food Biotechnol, Inst Grasa, Seville 41012, Spain
[2] MAICh, Dept Food Qual Management & Chem Nat Prod, Khania 73100, Crete, Greece
关键词
Phoenix dactylifera; carotenoid profile; provitamin A value; fruit ripening; Algeria date fruit;
D O I
10.1016/j.foodchem.2006.03.043
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The aim of this study was to investigate the carotenoid composition and the provitamin A value of three palm date (Phoenix dactylifera) varieties (Deglet-Nour, Hamraya and Tantebouchte) from Algeria at three different ripening stages (khallal, rutab and tamr). Chromatographic analysis showed that the major carotenoid pigment present in dates is lutein followed by beta-carotene, with an evident carotenoid disappearance during ripening from the khallal to the tamr stage. The different date fruits present a total carotenoid content in the range of 61.7-167, 32.6-672, and 37.3-773 mu g/100 g fresh weight (FW) in Deglet-nour, Tantebouchte and Hamraya varieties, respectively. The rutab stage of Tantebouchte showed the lowest carotenoid content of 32.6 mu g/100 g FW, whereas the khallal stage of Hamraya presented the highest value, 773 mu g/100 g FW, followed by Tantebouchte with 672 mu g/100 g FW. Provitamin A value (due exclusively to beta-carotene) increased from 0.4 to 0.5 RE/100 g in Deglet-Nour fruits, but decreased from 11.7 to 1.6 RE/100 g and from 3.9 to 0.5 RE/100 g in Tantebouchte and Hamraya fruits, respectively, during ripening. The lowest value was found at the tamr stage of the Deglet-Nour variety (0.5 RE/100 g) whereas the highest provitamin A content was found at the khallal stage of the Tantebouchte variety (11.7 RE/100 g). (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1372 / 1377
页数:6
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