Screening quality and browning susceptibility of five artichoke cultivars for fresh-cut processing

BACKGROUND: Artichoke is a rich source of bioactive compounds, mainly phenols, in the Mediterranean diet, but its consumption is limited by the complexity of time-consuming trimming operations. Fresh-cut processing would therefore add convenience to its consumption, even though the severity of post-...

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Veröffentlicht in:Journal of the science of food and agriculture 2009-12, Vol.89 (15), p.2588-2594
Hauptverfasser: Cabezas-Serrano, Ana B, Amodio, Maria L, Cornacchia, Rosaria, Rinaldi, Raffaella, Colelli, Giancarlo
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container_end_page 2594
container_issue 15
container_start_page 2588
container_title Journal of the science of food and agriculture
container_volume 89
creator Cabezas-Serrano, Ana B
Amodio, Maria L
Cornacchia, Rosaria
Rinaldi, Raffaella
Colelli, Giancarlo
description BACKGROUND: Artichoke is a rich source of bioactive compounds, mainly phenols, in the Mediterranean diet, but its consumption is limited by the complexity of time-consuming trimming operations. Fresh-cut processing would therefore add convenience to its consumption, even though the severity of post-cutting browning of artichoke pieces is still a major problem. Since susceptibility to browning may vary widely among genotypes, the choice of the cultivar is a very critical step in the fresh-cut process. In this study, five different Italian cultivars (C3, Catanese, Tema, Violetto Foggiano and Violetto Sardo) were screened for their initial quality and composition, and their post-cutting performance during storage at 5 °C and 20 °C.RESULTS: C3 showed the highest phenol content (3.4 g GA kg⁻¹) and antioxidant activity (24.5 mmol L⁻¹ kg⁻¹), but the worst quality in terms of appearance and colour changes, also due to its high PPO activity (62.2 U g⁻¹). Catanese showed the highest vitamin C content (117.7 mg kg⁻¹), the lowest phenol content (1.8 g GA kg⁻¹), and the best post-cutting quality. Tema, Violetto Foggiano and Violetto Sardo showed an intermediate phenol content, the latter showing the lowest appearance score after C3.CONCLUSION: These results confirmed the role of phenols in browning processes of fresh-cut artichokes, giving the first available information on artichoke cultivar suitability to be processed as a fresh-cut product.
doi_str_mv 10.1002/jsfa.3759
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Fresh-cut processing would therefore add convenience to its consumption, even though the severity of post-cutting browning of artichoke pieces is still a major problem. Since susceptibility to browning may vary widely among genotypes, the choice of the cultivar is a very critical step in the fresh-cut process. In this study, five different Italian cultivars (C3, Catanese, Tema, Violetto Foggiano and Violetto Sardo) were screened for their initial quality and composition, and their post-cutting performance during storage at 5 °C and 20 °C.RESULTS: C3 showed the highest phenol content (3.4 g GA kg⁻¹) and antioxidant activity (24.5 mmol L⁻¹ kg⁻¹), but the worst quality in terms of appearance and colour changes, also due to its high PPO activity (62.2 U g⁻¹). Catanese showed the highest vitamin C content (117.7 mg kg⁻¹), the lowest phenol content (1.8 g GA kg⁻¹), and the best post-cutting quality. Tema, Violetto Foggiano and Violetto Sardo showed an intermediate phenol content, the latter showing the lowest appearance score after C3.CONCLUSION: These results confirmed the role of phenols in browning processes of fresh-cut artichokes, giving the first available information on artichoke cultivar suitability to be processed as a fresh-cut product.</description><identifier>ISSN: 0022-5142</identifier><identifier>EISSN: 1097-0010</identifier><identifier>DOI: 10.1002/jsfa.3759</identifier><identifier>CODEN: JSFAAE</identifier><language>eng</language><publisher>Chichester, UK: John Wiley &amp; Sons, Ltd</publisher><subject>antioxidant activity ; Antioxidants ; appearance (quality) ; Artichokes ; ascorbic acid ; Biological and medical sciences ; biological resistance ; Browning ; Chemical compounds ; cold storage ; Color ; Colour ; Cultivars ; Diet ; enzymatic browning ; Food industries ; Food science ; fresh-cut foods ; Fruit and vegetable industries ; Fundamental and applied biological sciences. 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Sci. Food Agric</addtitle><description>BACKGROUND: Artichoke is a rich source of bioactive compounds, mainly phenols, in the Mediterranean diet, but its consumption is limited by the complexity of time-consuming trimming operations. Fresh-cut processing would therefore add convenience to its consumption, even though the severity of post-cutting browning of artichoke pieces is still a major problem. Since susceptibility to browning may vary widely among genotypes, the choice of the cultivar is a very critical step in the fresh-cut process. In this study, five different Italian cultivars (C3, Catanese, Tema, Violetto Foggiano and Violetto Sardo) were screened for their initial quality and composition, and their post-cutting performance during storage at 5 °C and 20 °C.RESULTS: C3 showed the highest phenol content (3.4 g GA kg⁻¹) and antioxidant activity (24.5 mmol L⁻¹ kg⁻¹), but the worst quality in terms of appearance and colour changes, also due to its high PPO activity (62.2 U g⁻¹). Catanese showed the highest vitamin C content (117.7 mg kg⁻¹), the lowest phenol content (1.8 g GA kg⁻¹), and the best post-cutting quality. Tema, Violetto Foggiano and Violetto Sardo showed an intermediate phenol content, the latter showing the lowest appearance score after C3.CONCLUSION: These results confirmed the role of phenols in browning processes of fresh-cut artichokes, giving the first available information on artichoke cultivar suitability to be processed as a fresh-cut product.</description><subject>antioxidant activity</subject><subject>Antioxidants</subject><subject>appearance (quality)</subject><subject>Artichokes</subject><subject>ascorbic acid</subject><subject>Biological and medical sciences</subject><subject>biological resistance</subject><subject>Browning</subject><subject>Chemical compounds</subject><subject>cold storage</subject><subject>Color</subject><subject>Colour</subject><subject>Cultivars</subject><subject>Diet</subject><subject>enzymatic browning</subject><subject>Food industries</subject><subject>Food science</subject><subject>fresh-cut foods</subject><subject>Fruit and vegetable industries</subject><subject>Fundamental and applied biological sciences. 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Sci. Food Agric</addtitle><date>2009-12</date><risdate>2009</risdate><volume>89</volume><issue>15</issue><spage>2588</spage><epage>2594</epage><pages>2588-2594</pages><issn>0022-5142</issn><eissn>1097-0010</eissn><coden>JSFAAE</coden><abstract>BACKGROUND: Artichoke is a rich source of bioactive compounds, mainly phenols, in the Mediterranean diet, but its consumption is limited by the complexity of time-consuming trimming operations. Fresh-cut processing would therefore add convenience to its consumption, even though the severity of post-cutting browning of artichoke pieces is still a major problem. Since susceptibility to browning may vary widely among genotypes, the choice of the cultivar is a very critical step in the fresh-cut process. In this study, five different Italian cultivars (C3, Catanese, Tema, Violetto Foggiano and Violetto Sardo) were screened for their initial quality and composition, and their post-cutting performance during storage at 5 °C and 20 °C.RESULTS: C3 showed the highest phenol content (3.4 g GA kg⁻¹) and antioxidant activity (24.5 mmol L⁻¹ kg⁻¹), but the worst quality in terms of appearance and colour changes, also due to its high PPO activity (62.2 U g⁻¹). Catanese showed the highest vitamin C content (117.7 mg kg⁻¹), the lowest phenol content (1.8 g GA kg⁻¹), and the best post-cutting quality. Tema, Violetto Foggiano and Violetto Sardo showed an intermediate phenol content, the latter showing the lowest appearance score after C3.CONCLUSION: These results confirmed the role of phenols in browning processes of fresh-cut artichokes, giving the first available information on artichoke cultivar suitability to be processed as a fresh-cut product.</abstract><cop>Chichester, UK</cop><pub>John Wiley &amp; Sons, Ltd</pub><doi>10.1002/jsfa.3759</doi><tpages>7</tpages></addata></record>
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source Wiley Online Library - AutoHoldings Journals
subjects antioxidant activity
Antioxidants
appearance (quality)
Artichokes
ascorbic acid
Biological and medical sciences
biological resistance
Browning
Chemical compounds
cold storage
Color
Colour
Cultivars
Diet
enzymatic browning
Food industries
Food science
fresh-cut foods
Fruit and vegetable industries
Fundamental and applied biological sciences. Psychology
Genetic algorithms
genotype
phenol
Phenols
PPO activity
screening
Studies
Trimming
Vitamin C
vitamin content
title Screening quality and browning susceptibility of five artichoke cultivars for fresh-cut processing
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