ライフサイエンスコーパス: alpha-carotene

1 (providing 27.3 mg beta-carotene and 18.7 mg alpha-carotene).

2 vels of the antioxidant vitamins A and C and alpha-carotene.

3 significantly higher thereafter, except for alpha-carotene.

4 v. Chanee), and even larger ones in those of alpha-carotene.

5 is prevalence was inversely related to serum alpha-carotene.

6 n between the highest and lowest quintiles): alpha-carotene (0.87; 95% CI: 0.78, 0.97), beta-carotene

7 positive correlations with HDL cholesterol (alpha-carotene = 0.17; beta-carotene = 0.24).

8 aits: BMI, WC, FM, and triglycerides (range: alpha-carotene = -0.19 to -0.12; beta-carotene = -0.24 t

9 d intake (adjusted correlation coefficients: alpha-carotene, 0.35; beta-carotene, 0.28; beta-cryptoxa

10 iomarkers: folate, 0.49; vitamin B-12, 0.51; alpha-carotene, 0.53; beta-carotene, 0.39; lutein + zeax

11 multivariable RRs for the same comparison): alpha-carotene (1.04; 95% CI: 0.99, 1.09), beta-carotene

12 for lycopene, 1.27 (95% CI: 0.63, 2.57) for alpha-carotene, 1.10 (95% CI: 0.57, 2.13) for beta-carot

13 5% confidence interval (CI): 0.87, 1.58) for alpha-carotene, 1.10 (95% CI: 0.82, 1.48) for beta-carot

14 centrations of plasma lutein, cryptoxanthin, alpha-carotene, 13-cis-beta-carotene, all-trans-beta-car

15 rum concentrations of beta-carotene (1483%), alpha-carotene (145%), and beta-cryptoxanthin (67%) (P <

16 reases in mean serum beta-carotene (5-fold), alpha-carotene (19-fold), and beta-cryptoxanthin (2-fold

17 otenoids were beta-carotene (about 80%), and alpha-carotene (20%), with minor levels of lutein and ze

18 d toward preferential cleavage compared with alpha-carotene (22% higher, P = 0.084).

19 In each phase, 80% of alpha-carotene, 82% of beta-carotene, 85% of lycopene, a

20 /cm and 5 pulses led to maximum increases of alpha-carotene, 9- and 13-cis-lycopene, which increased

21 less sensitive to extrusion than carotenes (alpha-carotene, 9-cis-beta-carotene and 13-cis-beta-caro

22 sterol was associated with a 17% increase in alpha-carotene, a 16% increase in beta-carotene, and an

23 Asymmetric alpha-carotene, a provitamin A carotenoid, is cleaved to

24 ptoxanthin), three hydro-carbon carotenoids (alpha-carotene, all-trans-beta-carotene, and 13-cis-beta

25 carotenoids were all-trans-lutein, all-trans-alpha-carotene and all-trans-beta-carotene in both culti

26 In cv. Prata, all-trans-alpha-carotene and all-trans-beta-carotene were signific

27 ces in a protective direction were noted for alpha-carotene and ascorbic acid.

28 lden and Scotch Bonnet showed a high lutein, alpha-carotene and beta-carotene amounts, and Habanero o

29 n in cv. Monthong, which was correlated with alpha-carotene and beta-carotene concentrations.

30 ysis of repeated measurements indicated that alpha-carotene and beta-carotene were inversely associat

31 quality resulting in R(2)=0.97 and 0.96 for alpha-carotene and beta-carotene, in R(2)=0.90 for falca

32 The inverse association observed with alpha-carotene and breast cancer was greater for invasiv

33 Except for alpha-carotene and cryptoxanthin, none of the model caro

34 Both lower and higher quarters of alpha-carotene and gamma-tocopherol increased the risk o

35 from 0.80 for beta-cryptoxanthin to 0.89 for alpha-carotene and lutein-zeaxanthin; for serum concentr

36 In the pooled analyses, alpha-carotene and lycopene intakes were significantly a

37 Among the hydrocarbon cartenoids, 18% of alpha-carotene and of beta-carotene and 13% of lycopene

38 ed for the biosynthesis of beta-carotene and alpha-carotene and to a lesser extent genes for xanthoph

39 , peach, apple, and kale were stable (except alpha-carotene and zeaxanthin in peach) for 13, 9.7, 5.7

40 Both hydrocarbon (beta-carotene and alpha-carotene) and oxygenated carotenoids (lutein, zeax

41 (s) against lung cancer; that cryptoxanthin, alpha-carotene, and ascorbic acid need to be investigate

42 m levels of lycopene, lutein, cryptoxanthin, alpha-carotene, and beta-carotene were assessed in 813 p

43 n, zeaxanthin, beta-cryptoxanthin, lycopene, alpha-carotene, and beta-carotene were measured in archi

44 thin) and hydrocarbon carotenoids (lycopene, alpha-carotene, and beta-carotene).

45 r carotenoids, including beta-cryptoxanthin, alpha-carotene, and beta-carotene, were associated with

46 oncentrations of lutein, beta-cryptoxanthin, alpha-carotene, and beta-carotene.

47 validity of indexes of intake of vitamin E, alpha-carotene, and beta-carotene.

48 ssociation was found for beta-cryptoxanthin, alpha-carotene, and beta-carotene.

49 of carotenoids, particularly beta-carotene, alpha-carotene, and beta-cryptoxanthin, in both the supp

50 cancer for decreasing beta-carotene, lutein, alpha-carotene, and beta-cryptoxanthin.

51 the provitamin A carotenoids beta-carotene, alpha-carotene, and beta-cryptoxanthin.

52 r concentrations of plasma beta-carotene and alpha-carotene are associated with lower breast cancer r

53 ll allele, lut5-1, causes an accumulation of alpha-carotene at a level equivalent to beta-carotene in

54 eta and epsilon cyclases convert lycopene to alpha-carotene (beta, epsilon-carotene), a carotenoid wi

55 jor in vivo activity toward the beta-ring of alpha-carotene (beta,epsilon-carotene) and minor activit

56 Lutein, a dihydroxy derivative of alpha-carotene (beta,epsilon-carotene), is the most abun

57 ylases catalyze the formation of lutein from alpha-carotene (beta,epsilon-carotene).

58 ene, lutein, zeaxanthin, beta-cryptoxanthin, alpha-carotene, beta-carotene and lycopene) is described

59 composition, including vitamin A precursors alpha-carotene, beta-carotene, and beta-cryptoxanthin.

60 ciated with lower levels of serum vitamin C, alpha-carotene, beta-carotene, and beta-cryptoxanthin.

61 alpha-Carotene, beta-carotene, and lutein values were >9

62 alpha-Carotene, beta-carotene, and lutein/zeaxanthin int

63 Intakes of alpha-carotene, beta-carotene, and lutein/zeaxanthin wer

64 h fat-free salad dressing, the appearance of alpha-carotene, beta-carotene, and lycopene in chylomicr

65 oid contents, including lutein, zeaxanthin , alpha-carotene, beta-carotene, and lycopene in TRL were

66 Only 20-25% of alpha-carotene, beta-carotene, and lycopene was transpor

67 of carotenoid not present in eggs, including alpha-carotene, beta-carotene, and lycopene, increased 3

68 re; and intakes of yellow-orange vegetables, alpha-carotene, beta-carotene, and vitamins A, C, and E.

69 ns (r) between intakes and concentrations of alpha-carotene, beta-carotene, beta-cryptoxanthin, and l

70 Baseline plasma levels of lycopene, alpha-carotene, beta-carotene, beta-cryptoxanthin, and l

71 ace with the intakes of several carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lutei

72 t Study to evaluate FFQ-estimated intakes of alpha-carotene, beta-carotene, beta-cryptoxanthin, lutei

73 he serum concentrations of five carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

74 A, C, D, and E) and individual carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

75 assessed intakes of vitamins A, C, and E and alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

76 Circulating levels of alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

77 Baseline plasma carotenoids, including alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

78 ween total and individual carotenoid intake (alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

79 tively assessed the relations between plasma alpha-carotene, beta-carotene, beta-cryptoxanthin, lycop

80 1991) were used to examine concentrations of alpha-carotene, beta-carotene, cryptoxanthin, lutein/zea

81 ementation) and the most-common carotenoids (alpha-carotene, beta-carotene, lutein plus zeaxanthin, l

82 ging activities of Trolox, alpha-tocopherol, alpha-carotene, beta-carotene, lutein, and probucol in o

83 Plasma concentrations of alpha-carotene, beta-carotene, lutein, beta-cryptoxanthi

84 Other carotenoids, including alpha-carotene, beta-carotene, lutein, beta-cryptoxanthi

85 tion between lung cancer risk and intakes of alpha-carotene, beta-carotene, lutein, lycopene, and bet

86 Plasma analysis included quantification of alpha-carotene, beta-carotene, lutein, lycopene, retinol

87 tween serum carotenoids (beta-cryptoxanthin, alpha-carotene, beta-carotene, lutein/zeaxanthin, and ly

88 and zeaxanthin but not of other carotenoids (alpha-carotene, beta-carotene, lycopene, and beta-crypto

89 Other carotenoids (alpha-carotene, beta-carotene, lycopene, and beta-crypto

90 ignificant results were shown for vitamin E, alpha-carotene, beta-carotene, lycopene, and lutein plus

91 Higher concentrations of alpha-carotene, beta-carotene, lycopene, and total carot

92 hether plasma concentrations of carotenoids (alpha-carotene, beta-carotene, lycopene, lutein, zeaxant

93 was to evaluate associations between dietary alpha-carotene, beta-carotene, lycopene, lutein, zeaxant

94 Prediagnostic samples were analyzed for alpha-carotene, beta-carotene, lycopene, lutein, zeaxant

95 Dietary and blood carotenoids, including alpha-carotene, beta-carotene, lycopene, lutein/zeaxanth

96 s and controls had similar concentrations of alpha-carotene, beta-carotene, total carotene, beta-cryp

97 mokers according to baseline levels of serum alpha-carotene, beta-carotene, zeaxanthin, beta-cryptoxa

98 yme also catalyzed the oxidative cleavage of alpha-carotene, beta-cryptoxanthin, and beta-apo-8'-caro

99 ere selected as predictors of beta-carotene, alpha-carotene, beta-cryptoxanthin, and lutein/zeaxanthi

100 Plasma levels of antioxidants alpha-carotene, beta-cryptoxanthin, lutein/zeaxanthin, a

101 ns between dietary intakes of beta-carotene, alpha-carotene, beta-cryptoxanthin, lycopene, and lutein

102 ographic density, high levels of circulating alpha-carotene, beta-cryptoxanthin, lycopene, and lutein

103 nthesis in plants: ring cyclizations to form alpha-carotene, beta-ring hydroxylation of alpha-caroten

104 ive in the synthesis of lutein, loroxanthin (alpha-carotene branch), zeaxanthin, and antheraxanthin (

105 m alpha-carotene, beta-ring hydroxylation of alpha-carotene by CYP97A3 to produce zeinoxanthin, follo

106 aimed to accurately characterize intestinal alpha-carotene cleavage and its relative contribution to

107 persistent 2-fold increase in median plasma alpha-carotene concentrations (45 nmol/L at baseline to

108 was inversely associated with baseline serum alpha-carotene concentrations (hazard ratio for highest

109 alpha-Carotene concentrations in the LDL fraction were l

110 The vitamin A activity of alpha-carotene-containing foods is likely overestimated

111 accurately assess the vitamin A capacity of alpha-carotene-containing foods.

112 t association of this polymorphism with both alpha-carotene content and the alpha-/beta-carotene rati

113 d conversion efficiencies was observed, with alpha-carotene contributing 12-35% of newly converted vi

114 nstrate large interindividual variability in alpha-carotene conversion.

115 le pigments (zeaxanthin and antheraxanthin), alpha-carotene-derived xanthophylls such as lutein, whic

116 82 (95% CI: 0.73, 0.92, I(2): 3%) per 10 mug alpha-carotene/dL (n = 12), and 0.68 (95% CI: 0.52, 0.89

117 The percentage of absorption of alpha-carotene from raw carrots was not significantly di

118 tions were highly heritable and significant [alpha-carotene: heritability (h(2)) = 0.81, P = 6.7 x 10

119 Dietary alpha-carotene (highest versus lowest quintile: RR = 0.8

120 trations were measured in approximately 570 (alpha-carotene in 565 and beta-carotene in 572) of these

121 re characterized by unusually high levels of alpha-carotene in addition to beta-carotene.

122 er convergent not discriminant validity, the alpha-carotene index adequate convergent and discriminan

123 the top compared with the bottom quintile of alpha-carotene intake (RR: 0.37; 95% CI: 0.18, 0.77).

124 The authors concluded that low vitamin C and alpha-carotene intakes are associated with asthma risk i

125 modified the inverse associations of plasma alpha-carotene level (P, ordinal test for interaction =

126 We found similarly increased alpha-carotene levels in leaves of orange carrots compar

127 white-rooted cultivars and strongly reduced alpha-carotene levels in the roots.

128 d to the chylomicron AUC and Cmax values for alpha-carotene, lycopene, phylloquinone, and retinyl pal

129 h that for women with the lowest quintile of alpha-carotene (odds ratio (OR) = 0.64, 95% confidence i

130 l, 95% confidence interval = 0.55, 0.95) and alpha-carotene (odds ratio = 0.95 per micro g/dl, 95% co

131 ciated negatively with increasing deciles of alpha carotene (OR, 0.82; 95% CI, 0.72-0.94), beta carot

132 In quintile 5 compared with quintile 1, alpha-carotene (OR: 0.61; 95% CI: 0.39, 0.98) and beta-c

133 not associated with the intake of vitamin E, alpha-carotene, or lycopene from food; total vitamin C o

134 ycopene (P = 0.006) concentrations but lower alpha-carotene (P < 0.001) concentrations than did white

135 at year 0 were 3.9 and 3.3 microg/liter for alpha-carotene (p < 0.001), 9.1 and 8.0 microg/liter for

136 American children and adolescents had higher alpha-carotene (P < 0.001), beta-cryptoxanthin (P < 0.00

137 tion increased beta-carotene (P < 0.001) and alpha-carotene (P < 0.05) concentrations but did not aff

138 amin A (P = .011), vitamin C (P = .018), and alpha-carotene (P = .021), and close to statistically si

139 ine concentrations were inversely related to alpha-carotene (P = 0.002), beta-carotene (P < 0.001), a

140 etween smoking status and folate (P = 0.02), alpha-carotene (P = 0.02), beta-carotene (P = 0.005), an

141 was 0.65 (p < 0.05), whereas it was 0.74 for alpha-carotene (p = 0.066).

142 rse correlations were found between SSPG and alpha-carotene (r = -0.58, P: = 0.0002), beta-carotene (

143 ociated with higher plasma concentrations of alpha-carotene (r = 0.40), beta-carotene (r = 0.28), bet

144 Lutein, beta-cryptoxanthin, lycopene, alpha-carotene, retinol, and alpha-tocopherol concentrat

145 tended to have lower serum total carotenoid, alpha-carotene, ss-carotene, and cryptoxanthin concentra

146 ated with active smoking (total carotenoids, alpha-carotene, ss-carotene, and cryptoxanthin).

147 concentrations of vitamins A, B-6, and E and alpha-carotene than did non-Hispanic whites.

148 However, they accumulate more lutein and alpha-carotene than the wild type.

149 noids (beta-carotene and, to a lower extent, alpha-carotene) that accumulate in its storage root duri

150 Although the association was strongest for alpha-carotene, the high degree of collinearity among pl

151 The contribution of newly absorbed alpha-carotene to postprandial vitamin A should not be e

152 articipants with the highest serum levels of alpha-carotene, total carotenoids, and selenium were sig

153 n plasma concentrations of alpha-tocopherol, alpha-carotene, total carotenoids, lycopene, or retinol

154 psilon cyclase (lcyE) locus alters flux down alpha-carotene versus beta-carotene branches of the caro

155 CI: 1.01, 1.40; P for trend = 0.11), whereas alpha-carotene was associated with a slightly lower risk

156 e in preference for absorption of beta- over alpha-carotene was observed (adjusting for dose, 28% hig

157 Serum concentration of alpha-carotene was significantly greater (P < 0.005) in