Lutein: A Valuable Ingredient of Fruit and Vegetables

Calvo, María Sol Rodríguez

doi:10.1080/10408690590957034

Cited by 131 publications

(90 citation statements)

References 145 publications

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“…This was done by selecting the specific foods and beverages that both were consumed in the present study and had a high content of carotenoids. The selection of the carotenoid-rich foods was based on the carotenoid concentrations presented in the US Department of Agriculture's National Nutrient Database (24) and papers covering the applicable foods eaten in the present study (17,(25)(26)(27)(28)(29)(30) . Foods are presented in descending order from the most eaten for the following variables that were constructed.…”

Section: Construction Of the Carotenoid-rich Foods Variablesmentioning

confidence: 99%

Associations between reported intakes of carotenoid-rich foods and concentrations of carotenoids in plasma: a validation study of a web-based food recall for children and adolescents

Medin

Carlsen

Andersen

2016

Public Health Nutr.

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Objective: To validate estimated intakes of carotenoid-rich foods from a web-based food recall (WebFR) using carotenoids in blood as an objective reference method. Design: Cross-sectional validation study using carotenoids in plasma to evaluate estimated intakes of selected carotenoid-rich foods. Participants recorded their food intake in the WebFR and plasma concentrations of β-carotene, α-carotene, β-cryptoxanthin, lycopene, lutein and zeaxanthin were measured. Setting: Schools and homes of families in a suburb of the capital of Norway. Subjects: A total of 261 participants in the age groups 8-9 and 12-14 years. Results: Spearman's rank correlation coefficients ranged from 0·30 to 0·44, and cross-classification showed that 71·6-76·6 % of the participants were correctly classified, when comparing the reported intakes of carotenoid-rich foods and concentrations of the corresponding carotenoids in plasma, not including lutein and zeaxanthin. Conclusions: Correlations were acceptable and cross-classification analyses demonstrated that the WebFR was able to rank participants according to their reported intake of foods rich in α-carotene, β-carotene, β-cryptoxanthin and lycopene. The WebFR is a promising tool for dietary assessment among children and adolescents.

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Section: Construction Of the Carotenoid-rich Foods Variablesmentioning

confidence: 99%

Associations between reported intakes of carotenoid-rich foods and concentrations of carotenoids in plasma: a validation study of a web-based food recall for children and adolescents

Medin

Carlsen

Andersen

2016

Public Health Nutr.

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“…The main sources of lutein are vegetables and fruit. Calvo (2005) collected data of lutein concentration in 74 species of fruit and vegetables reported by 44 authors since 1990. He observed that lutein concentration in green vegetables (lettuce, broccoli, water cress, parsley, pea, spinach) was higher than in yellowish-white vegetables.…”

Section: Introductionmentioning

confidence: 99%

Variability of Lutein Content in Peas (Pisum sativum L.) in Relation to the Variety, Season and Chlorophyll Content

Holasová¹,

Dostálová²,

Fiedlerová³

et al. 2009

Czech J. Food Sci.

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Lutein and β-carotene contents in 32 samples of field peas with green (ii), yellow (I.) and orange cotyledons (orcorc) were determined. The highest lutein concentration ranging between 0.768 and 1.394 mg/100 g was found in varieties with green cotyledons (median 0.978 mg/100 g). Yellow cotyledons contained lower amount of lutein, median = 0.692 mg/100 g. Big variation in lutein content was found in tested breeding lines with orange cotyledons, only 4 lines showed higher lutein content in comparison with the lowest value found in green cotyledons. Content of β-carotene in field peas with green cotyledons ranged between 0.1-0.2 mg/100 g. Field peas with yellow and orange cotyledons contain β-carotene in 10 times lower concentration. 27 samples of garden peas were tested. Lutein content fluctuated between 0.471 and 1.524 mg/100 g with median = 0.791 mg/100 g. Year-to-year differences in 54% of all repeatedly tested samples shoved coefficient of variation lower than 10%. Coefficient of variation under 20% was found in 96% of repeatedly analysed samples. A strong correlation (r = 0.77, P < 0.01) between lutein and chlorophyll contents was found.

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“…It occurs in many kinds of fruits and vegetables, especially in leafy vegetables. It is also found in yolk and eye tissues (Calvo, 2005;Čopíková et al 2005). Pure lutein is a red-orange crystallic substance soluble in fats and organic solvents, but insoluble in water.…”

Section: Luteinmentioning

confidence: 99%

Lutein in food supplements available on the markets of the Viszegrad countries

Šivel

Fišera

Klejdus

et al. 2014

Potr. S. J. F. Sci.

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RP-HPLC method with UV-VIS detection was implemented for determination of contents of lutein in food supplements available on the markets in the Czech Republic, Slovakia, Poland, and Hungary. Altogether, 48 samples of food supplements in three dosage forms (22 samples of tablets, 18 samples of soft capsules, and 8 samples of hard capsules) were analysed. The amounts of lutein specified by the producer complied with their real contents only in 7 samples of the food supplements. Lutein in soft capsules showed the highest stability against oxidation; lutein in tablets was more prone to oxidation and lutein in hard capsules was most susceptible to oxidation process. Out of 21 Czech products, only four fell into the category of satisfactory products, three of them were soft capsules and one was a tablet. Out of 27 products manufactured abroad, only three were evaluated as satisfactory products, all of them were soft capsules, out of 48 analysed food supplement samples just seven fell into the category of satisfactory preparations, eight were evaluated as less satisfactory preparations, five were found inadequate products and 28 samples were labelled unsatisfactory. Only one in six analyzed samples contained the amount of lutein specified by the manufacturer, almost 60% of monitored lutein containing food supplement samples fell into the unsatisfactory product category.

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Lutein: A Valuable Ingredient of Fruit and Vegetables

Cited by 131 publications

References 145 publications

Associations between reported intakes of carotenoid-rich foods and concentrations of carotenoids in plasma: a validation study of a web-based food recall for children and adolescents

Associations between reported intakes of carotenoid-rich foods and concentrations of carotenoids in plasma: a validation study of a web-based food recall for children and adolescents

Variability of Lutein Content in Peas (Pisum sativum L.) in Relation to the Variety, Season and Chlorophyll Content

Lutein in food supplements available on the markets of the Viszegrad countries

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