alpha carotene/brassica

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Disruption of a CAROTENOID CLEAVAGE DIOXYGENASE 4 gene converts flower colour from white to yellow in Brassica species.

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In Brassica napus, yellow petals had a much higher content of carotenoids than white petals present in a small number of lines, with violaxanthin identified as the major carotenoid compound in yellow petals of rapeseed lines. Using positional cloning we identified a carotenoid cleavage dioxygenase 4

Quantification of Provitamin A Compounds in ChInese Vegetables by High-Performance Liquid Chromatography.

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The provitamin A contents of 16 vegetables grown in Taiwan were analyzed by high-performance liquid chromatography with photodiode-array detection. The amounts of the major provitamin A compounds, (β-cryptoxanthin, α-carotene, and β-carotene ranged from 0-6.8, 0-27.7, and 0.6-104.9 (μg/g,

[Carotenoid intake in the German National Food Consumption Survey].

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In nutritional epidemiological studies high consumption of fruits and vegetables was shown to be an important preventive measure to reduce the risk of cancer, coronary heart disease, and cataracts. These effects cannot be explained completely and in a sufficient way by the intake of beta-carotene

Comparison of a liquid solvent extraction technique and supercritical fluid extraction for the determination of alpha- and beta-carotene in vegetables.

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An ethanol-pentane solvent extraction procedure and a supercritical CO2 extraction procedure are compared for the high-performance liquid chromatographic determination of alpha- and beta-carotene in vegetables. The vegetables tested included carrots, collard greens, turnips, turnip greens, kale,

Effects on intestinal cellular bioaccessibility of carotenoids and cellular biological activity as a consequence of co-ingestion of anthocyanin- and carotenoid-rich vegetables.

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The effects of co-digestion of a carotenoid-rich vegetable such as carrot, cherry tomato or baby spinach with an anthocyanin-rich vegetable such as red cabbage with and without salad dressing on the intestinal cellular bioaccessibility (cBAC) of carotenoids and the resultant cellular antioxidant and

Molecular characterization of glucosinolates and carotenoid biosynthetic genes in Chinese cabbage (Brassica rapa L. ssp. pekinensis).

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The present study aimed to investigate the contents of glucosinolates (GSLs) and carotenoids in eleven varieties of Chinese cabbage in relation to the expression level of the important transcription factors. MS and HPLC analysis identified the presence of 13 GSLs (progoitrin, sinigrin, glucoalyssin,

Carotene, tocopherol, and ascorbate contents in subspecies of Brassica oleracea.

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Cruciferous vegetables contain high levels of vitamins that can act as antioxidants, compounds that may protect against several degenerative diseases. The edible portions of 50 broccoli and 13 cabbage, kale, cauliflower, and Brussels sprouts accessions were assayed to determine variation in

Co-ingestion of red cabbage with cherry tomato enhances digestive bioaccessibility of anthocyanins but decreases carotenoid bioaccessibility after simulated in vitro gastro-intestinal digestion.

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The effects of co-digestion of red cabbage with carrot, baby spinach and/or cherry tomato on the bioaccessibility of anthocyanins and carotenoids such as α-carotene, β-carotene, lutein and lycopene were examined using a simulated in vitro gastro-intestinal digestion model. The individual vegetables

The development and application of a carotenoid database for fruits, vegetables, and selected multicomponent foods.

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A carotenoid database for individual and multicomponent foods has been compiled that contains values for the five most common carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lycopene, lutein) in 2,458 fruits, vegetables, and multicomponent foods containing fruits and vegetables. The

The association of consumption of fruits/vegetables with decreased risk of glaucoma among older African-American women in the study of osteoporotic fractures.

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OBJECTIVE To explore the association between consumption of fruits and vegetables and the presence of glaucoma in older African-American women. METHODS Cross-sectional study. METHODS Disc photographs and suprathreshold visual fields were obtained from the 662 African-American participants in the

Carotene-rich plant foods ingested with minimal dietary fat enhance the total-body vitamin A pool size in Filipino schoolchildren as assessed by stable-isotope-dilution methodology.

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BACKGROUND Strategies for improving the vitamin A status of vulnerable populations are needed. OBJECTIVE We studied the influence of the amounts of dietary fat on the effectiveness of carotene-rich plant foods in improving vitamin A status. METHODS Schoolchildren aged 9-12 y were fed standardized

Pathway engineering of Brassica napus seeds using multiple key enzyme genes involved in ketocarotenoid formation.

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Brassica napus (canola) plants were genetically manipulated to increase the amount and composition of carotenoids in seeds by using seven key enzyme genes involved in ketocarotenoid formation, which originated from a soil bacterium Pantoea ananatis (formerly called Erwinia uredovora 20D3), and

Enhancing the carotenoid content of Brassica napus seeds by downregulating lycopene epsilon cyclase.

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The accumulation of carotenoids in higher plants is regulated by the environment, tissue type and developmental stage. In Brassica napus leaves, beta-carotene and lutein were the main carotenoids present while petals primarily accumulated lutein and violaxanthin. Carotenoid accumulation in seeds was

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