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chlorophyll a (black line) and chlorophyll b (gray line) in diethyl ether, and β-carotene (dashed line) in hexane based on data from http://omlc.ogi.edu/spectra/PhotochemCAD/index.html . Other carotenoids like lutein and zeaxanthin have a similar

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carotenoids found in plants, beta-carotene is an important precursor to vitamin A, and lutein, and zeaxanthin are the two principal pigments in the macular region of the retina. An extensive survey of winter squash cultivars and breeding lines was conducted to

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lutein, zeaxanthin, and β-carotene (41% to 63% of total carotenoid concentration) and flavoxanthin and neoxanthin (37% to 59% of total carotenoid concentration) in C. maxima hybrids. Similarly, lutein and β-carotene were the highest observed in three

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.3 mg·kg −1 FW per month in average for Chl a and Chl b, respectively). Fig. 5. ( A ) Chlorophyll a, ( B ) chlorophyll b, ( C ) carotenoids:chlorophyll (Car:Chl) ratio, ( D ) total chlorophyll, ( E ) α-carotene, ( F ) β-carotene, ( G ) lutein

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different gradient elution schedules: 1) to assay all- trans -violaxanthin ( t -VIO), 9- cis -violaxanthin ( c -VIO), lutein (LUT), BCR, α-carotene (ACA), and PHY, the eluent composition (all ratios expressed as v/v) altered from an initial 95% MeOH, 1% MTBE

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-carotene, lutein, zeaxanthin, violaxanthin, capsanthin, and capsorubin were purchased from Fujifilm Wako Pure Chemical (Osaka, Japan). These standard samples and the extracted compounds were analyzed by HPLC under the same conditions as described previously, and

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marketability up to 14 d at 5 °C plus 1 d at 20 °C when harvested at yellow stage ( Lon Kan et al., 2007a ). No CI was evident during storage at 5 or 10 °C. Increases in lutein, beta-carotene, and total carotenoids contents were reported as ‘Wanda’ fruit ripened

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Spinach is one of the most desirable dark green, leafy vegetables as a result of its high content of beta carotene (provitamin A), lutein, folate, vitamin C, calcium, iron, phosphorous, and potassium ( Morelock and Correll, 2008 ). Spinach is

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such as β-carotene, lutein, and zeaxanthin and their potential health benefits were well documented ( Pryor et al., 2000) . Momordicin, a triterpenoid, is reported to possess insulin-like activity ( Saxena and Vikram, 2004 ). It is noteworthy that

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regions (430 and 453 nm, respectively) of the visible light spectrum. In contrast, absorption of the carotenoid pigments of lutein (LUT) and β-carotene (BC) are highest in the blue region at 448 and 454 nm, respectively ( Lefsrud et al., 2008

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