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Pigment pattern and expression of colour in fruits from different Hylocereus sp genotypes

被引：51
作者：
Esquivel, Patricia
Stintzing, Florian C.
Carle, Reinhold
机构：
[1] Univ Hohenheim, Sect Plant Foodstuff Technol, Inst Food Technol, D-70599 Stuttgart, Germany
[2] Univ Costa Rica, Escuela Tecnol Alimentos, San Pedro 2060, Costa Rica
来源：
INNOVATIVE FOOD SCIENCE & EMERGING TECHNOLOGIES | 2007年 / 8卷 / 03期
关键词：
hylocereus; dragonfruit; genotypes; betalains; colour; betanin; phyllocactin; hylocerenin; neobetanin; gomphrenin; 1; indicaxanthin;
D O I：
10.1016/j.ifset.2007.03.022
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
Pigment profiles, betalain contents, colour and pH-values were studied in fruits from five Hylocereus sp. genotypes originating from Costa Rica. Significant colour differences between fruit pulps from "Nacional" and "San Ignacio" were found for C*-values and "Lisa" exhibited the most reddish tint h degrees. Whereas highest betalain contents were registered in "San Ignacio" and "Orejona", lowest values were found in "Nacional". Additionally, pigment patterns of the genotypes were found to differ: While "Lisa", "Nacional" and "Orejona" were characterised by a similar betalain pattern, "Rosa" and "San Ignacio" were significantly different offering a valuable tool for genotype comparison. Moreover, "Rosa" showed the highest betanin and isobetanin contents, whereas phyllocactin and hylocerenin were predominant in "San Ignacio". Apart from the newly reported betalains neobetanin and gomphrenin 1, indicaxanthin was the first betaxanthin so far detected in pitaya fruits. (c) 2007 Elsevier Ltd. All rights reserved.
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收藏
页码：451 / 457
页数：7
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