ライフサイエンスコーパス: beta-carotene

1 se from biomarkers of total algal abundance (beta-carotene).

2 olics and induced trans-cis isomerization of beta-carotene.

3 her concentration of some phenolic acids and beta-carotene.

4 ared to nanodispersions containing synthetic beta-carotene.

5 at governed the differential accumulation of beta-carotene.

6 to be due to a reduced further metabolism of beta-carotene.

7 orbic acid, anthocyanins, and Morus alba for beta-carotene.

8 explored theoretically, such as lycopene and beta-carotene.

9 oring SDAs at 4 degrees C to protect OAs and beta-carotene.

10 as well as the stability/bioaccessibility of beta-carotene.

11 e in the chylomicron AUC and Cmax values for beta-carotene.

12 tments showed the higher bioaccessibility of beta-carotene.

13 tion bears significant similarity to that of beta-carotene.

14 ing the mechanism of intracellular action of beta-carotene.

15 sented similar bioaccessibility/stability of beta-carotene.

16 ere recorded for esters, antheraxanthin, and beta-carotene.

17 ne 0.07-0.39%, alpha-carotene 0.01-0.12% and beta-carotene 0.03-0.61% respectively.

18 (mg/100 g) of alpha-tocopherol (11.6-21.0), beta-carotene (0.49-0.65) and chlorophyll (44.3-54.0), a

19 with HDL cholesterol (alpha-carotene = 0.17; beta-carotene = 0.24).

20 des (range: alpha-carotene = -0.19 to -0.12; beta-carotene = -0.24 to -0.13) and positive correlation

21 9; vitamin B-12, 0.51; alpha-carotene, 0.53; beta-carotene, 0.39; lutein + zeaxanthin, 0.46; lycopene

22 tenoid content (2.85mg licopene/100ge 4.65mg beta-carotene/100g), however showed the lowest ascorbic

23 activity (5.76 +/- 0.02 to 10.20 +/- 0.01%), beta-carotene (1336 +/- 1.84 to 7624 +/- 1.57 ug/100 g),

24 7 mg kg(-1)), phenols (82-135 mg kg(-1)) and beta-carotene (144-234 mg kg(-1)) content.

25 In mammalian tissues, beta-carotene 15,15'-oxygenase (BCO1) converts beta-caro

26 A detection limit of 0.01 mg/L of beta-carotene (3S(B)/m), a coefficient of determination

27 utein (51%), whereas in ripe fruits, (all-E)-beta-carotene (55%) and several carotenoid fatty acid es

28 levels of all-trans-zeaxanthin and all-trans-beta-carotene (755 and 332mug/g of oil, respectively), a

29 Another carotenoid oxygenase, beta-carotene 9',10'-oxygenase (BCO2) catalyzes the oxid

30 beta-Carotene can also be cleaved by beta-carotene 9',10'-oxygenase (BCO2) to form beta-apo-1

31 otato (OFSP) is known to be a rich source of beta-carotene, a precursor of vitamin A and a potential

32 availability, resulting in higher lutein and beta-carotene absorption, disruption of the food matrix

33 ene liberation were similar, whereas that of beta-carotene accessibility was only about two-fold.

34 The high beta-carotene accumulation in golden SNP melons was foun

35 In melon mesocarp, beta-carotene accumulation is governed by the Orange gen

36 beta-Carotene adds nutritious value and determines the c

37 nt treatment effects were detected for serum beta-carotene (adjusted effect: 3.9%; 95% CI: -0.6%, 8.6

38 Casein and WPI were capable of conserving beta-carotene against chemical oxidation up to 15 and 12

39 d substantially with milk volume (except for beta-carotene, alpha-carotene, and beta-cryptoxanthin).

40 aempferol, apigenin, and carotenoids such as beta-carotene, alpha-carotene, capsorubin, cryptoxanthin

41 nd micronutrient (fatty acids, chlorophylls, beta-carotene, alpha-tocopherol and ascorbic acid) conte

42 ential micronutrients (alpha-linolenic acid, beta-carotene, alpha-tocopherol) and carbohydrates, wher

43 suggesting increased disease incidence with beta carotene and vitamin E administration indicate that

44 ntaining 300 g raw carrot (providing 27.3 mg beta-carotene and 18.7 mg alpha-carotene).

45 iling was associated with an increase in cis-beta-carotene and a decrease in the trans isomer.

46 arify the dose-response relationship between beta-carotene and all-cause mortality.

47 riboflavin, pyridoxine, lutein, zeaxanthin, beta-carotene and alpha-/gamma-tocopherol were determine

48 ces were by far the provitamin A carotenoids beta-carotene and alpha-carotene.

49 P = 0.051) genetic correlations only between beta-carotene and BMI (-0.27), WC (-0.30), and HDL chole

50 value of peroxide, chlorophyll, carotenoids, beta-carotene and high concentrations of unsaturated fat

51 cessibility of phenolics, flavonoids, rutin, beta-carotene and lutein and changes in antioxidant acti

52 according to their lipophilicity: lycopene, beta-carotene and lutein diffused to the oil phase (100%

53 The amounts of beta-carotene and lutein for both SSFs gradually increas

54 nly was observed; (ii) in chromoplasts, both beta-carotene and lycopene bioaccessibility significantl

55 However, no changes in beta-carotene and lycopene bioaccessibility were found u

56 ourg the highest levels of alpha-tocopherol, beta-carotene and monoterpenols, well-known key aroma co

57 hat the common genetic factors may influence beta-carotene and obesity and lipid traits in MA childre

58 tion between dietary or circulating level of beta-carotene and risk of total mortality yielded incons

59 ratios, pools of xanthophyll cycle pigments, beta-carotene and stored monoterpenes.

60 so catalyzes the oxidative cleavage of 9-cis-beta-carotene and the non-provitamin A carotenoids zeaxa

61 eased antioxidant activity especially due to beta-carotene and their total phenolic content.

62 e same pool to optimize a metabolic pathway (beta-carotene) and genetic circuit (XNOR logic gate).

63 rain is seriously deficient in provitamin A (beta-carotene) and in the bioavailability of iron and zi

64 oration of carotenoids (lycopene, alpha- and beta-carotene) and lipid digestion products (free fatty

65 corbic acid, phenolic compounds, flavonoids, beta-carotene, and antioxidant activity.

66 dentified carotenoids and carotenoid esters, beta-carotene, and beta-cryptoxanthin palmitate were the

67 A decrease in serum retinol, beta-carotene, and RBP4 is associated with early stage H

68 pool sizes of photoprotective xanthophylls, beta-carotene, and stored volatile isoprenoids.

69 uid chromatography for the quantification of beta-carotene, and UV spectrophotometry for the quantifi

70 tein, zeaxanthin, antheraxanthin, alpha- and beta-carotene, and xanthophyll esters) decreased signifi

71 apsules can be used for the encapsulation of beta-carotene answering the industrial demand for novel

72 beta-Carotene appeared to be more susceptible to degrada

73 ryptoxanthin esters and the ratio cis-/trans-beta-carotene approached the profile in the beverage and

74 varieties of lettuce enriched in lutein and beta-carotene are being developed to provide increased s

75 Astaxanthin and beta-carotene are important carotenoids used in numerous

76 her bioavailability compared to lycopene and beta-carotene (areas under the curve of 0.76 +/- 0.09 vs

77 of these biomolecules in the gas phase with beta-carotene as a particularly interesting example.

78 Here we show that beta-carotene availability regulates transcription and a

79 work was to study molecular binding between beta-carotene (beta-C) and whey protein isolate (WPI) as

80 opherol and six carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lutein, lycopene and

81 and individual carotenoids (alpha-carotene, beta-carotene, beta-cryptoxanthin, lycopene, and lutein)

82 toxanthin (betaCX) had higher retention than beta-carotene (betaC).

83 WPI modulated beta-carotene bioaccessibility depending on digestive co

84 mmonly consumed protein source, can modulate beta-carotene bioaccessibility in vitro, especially unde

85 digestion, micelle fraction composition and beta-carotene bioaccessibility of SLNs with different so

86 ieties) and thermal treatments on lutein and beta-carotene bioaccessibility to the micellar fraction

87 mplete digestion as corn oil LNPs and a high beta-carotene bioaccessibility, which was related to the

88 Despite this, HPO-SLNs showed higher beta-carotene bioaccessibility, which was related to the

89 method was used to diversify a heterologous beta-carotene biosynthetic pathway that produced genetic

90 ulted purified esters was investigated using beta-carotene bleaching (BCB) and free radical scavengin

91 exhibited the strongest radical scavenging, beta-carotene bleaching activity, alpha-glucosidase inhi

92 ghest activity for raw garlic samples, while beta-carotene bleaching assay yielded the highest activi

93 nosulphur compounds tested by DPPH, FRAP and beta-carotene bleaching assays showed that allicin had a

94 ssessed by DPPH radical scavenging, FRAP and beta-carotene bleaching assays.

95 l scavenging activity (IC(50) = 6.81 ug/mL), beta-carotene bleaching inhibition (IC(50) = 206 ug/mL),

96 (IC50 PPPW=11.578 mg/mL), reducing power and beta-carotene bleaching inhibition activities, and also

97 values of 54.3 and 168.9 ug/mL meanwhile the beta-carotene bleaching results were 55.19% and 5.75% re

98 ent due to the strongest radical scavenging, beta-carotene bleaching, alpha-glucosidase inhibition an

99 xygen radical absorbance capacity (ORAC) and beta-carotene bleaching.

100 eatment arms: lower zinc dosage, omission of beta-carotene, both, or no modification.

101 t heat-treatment improves the bioactivity of beta-carotene but longer treatments made BCC prooxidant,

102 R-AID not only to increase the production of beta-carotene by 3-fold in a single step, but also to ac

103 r the intervention to measure serum retinol, beta-carotene, C-reactive protein, and alpha1-acid glyco

104 beta-Carotene can also be cleaved by beta-carotene 9',10

105 ation fasting serum in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention (ATBC) Study.

106 ite-specific cancer in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study (n = 29,104 men),

107 ite-specific cancer in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study (n=29,104 men) con

108 control studies within the Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study cohort.

109 cipants in the ATBC Study (Alpha-Tocopherol, Beta-Carotene Cancer Prevention) that originally tested

110 Synergistic effects were observed between (beta-carotene-capsanthin) (1:9) and (1:1), (alpha-tocoph

111 Antioxidants (ascorbic acid, trolox C, beta carotene, chlorogenic acid, phytic acid and butylat

112 aluated for contents in dry matter, protein, beta-carotene, chlorophylls and seven minerals.

113 an microscopy (CRM) was able to quantify the beta-carotene concentration in oil droplets and determin

114 The beta-carotene concentration in the genotypes analyzed ra

115 same in all the genotypes, variation in the beta-carotene concentration reflects on the genetic back

116 etinol concentration and a large increase in beta-carotene concentration.

117 ociations between maternal serum retinol and beta-carotene concentrations during late pregnancy and o

118 Maternal serum retinol and beta-carotene concentrations had differing associations

119 Conversely, higher maternal serum beta-carotene concentrations in late pregnancy were asso

120 n late pregnancy, maternal serum retinol and beta-carotene concentrations were measured.

121 els had a greater impact than increasing the beta-carotene content by >12 ppm.

122 mples showed higher antioxidant capacity and beta-carotene content than OD apricots.

123 The changes in beta-carotene content, total phenolic content, in vitro

124 TPC and beta-carotene contents decreased with the increase in so

125 processing (decreased by 24-43%) followed by beta-carotene (decreased by 78-83%); other carotenoids w

126 A kinetic study of beta-carotene degradation showed that the half-life of b

127 ed that oxidation is the main factor causing beta-carotene degradation under ambient conditions.

128 The effect of the gastric phase on beta-carotene degradation was also investigated using th

129 Fat types affected beta-carotene differently.

130 ary allowance (approx. 60 g/d) were added to beta-carotene dissolved in oil.

131 ella salina accumulates a high proportion of beta-carotene during abiotic stress conditions.

132 The stability of beta-carotene during baking and the contribution of OFSP

133 SD-M provided better protection for alpha + beta carotene (E(a) = 29 kJ/mol).

134 We show that the HliD binds two different beta-carotenes, each present in two non-equivalent bindi

135 evundimonas sp. in tomato fruit, followed by beta-carotene enhancement through the introgression of a

136 However, beta-carotene entrapped within protein-coated MCT drople

137 total carotenoids from 23.38 to 1056.59 mug beta-carotene equivalent g(-1), total phenolic content f

138 ascorbic acid equivalent and 26.6-3829.2mug beta-carotene equivalent/100g fresh weight, respectively

139 resembles that obtained in the oxidation of beta-carotene, except that with canthaxanthin these prod

140 nal intakes only a positive association with beta-carotene existed.

141 beta-Carotene experienced both antagonistic and additive

142 gy-adjusted intakes of vitamins D, C, and E; beta-carotene; folate; choline; and n-3 and n-6 polyunsa

143 sibility of lutein, neoxanthin, lycopene and beta-carotene, following in vitro gastro-intestinal dige

144 Daily consumption of beta-carotene from biofortified cassava improved serum r

145 astaxanthin from Haematococcus pluvialis and beta-carotene from Dunaliella salina.

146 egulator per se The mammalian embryo obtains beta-carotene from the maternal circulation.

147 PC), total carotenoids, squalene, quercetin, beta-carotene, fucosterol, stigmasterol and antioxidant

148 The objective of this work was to study beta-carotene functionalities (color and antioxidant act

149 g(-1)DW) and total carotenoids (0.22-0.50 mg beta-carotene g(-1)DW).

150 related parameters showed following order: k(beta-carotene) > k(sensory (color)) > k(non-enzymatic br

151 ritability (h(2)) = 0.81, P = 6.7 x 10(-11); beta-carotene: h(2) = 0.90, P = 3.5 x 10(-15)].

152 atty acids, lutein plus zeaxanthin, zinc, or beta-carotene had no statistically significant impact on

153 This second beta-carotene has highly twisted beta-rings adopting a f

154 bles are primary food sources for lutein and beta-carotene, however these bioactives have low bioavai

155 beta-carotene through the expression of the beta-carotene hydroxylase (CrtZ) and oxyxgenase (CrtW) f

156 The maize (Zea mays) enzyme beta-carotene hydroxylase 2 (ZmBCH2) controls key steps

157 Ven1 encodes beta-carotene hydroxylase 3, an enzyme that modulates ca

158 synthase, 9-cis-epoxycarotenoid dioxygenase, beta-carotene hydroxylase and carotene epsilon-monooxyge

159 For tuber flesh colour beta-carotene hydroxylase and zeaxanthin epoxidase were

160 The resulting constructs were tested in a beta-carotene hyper-producing strain by comparing colony

161 approximately 570 (alpha-carotene in 565 and beta-carotene in 572) of these children with the use of

162 Increasing the concentration of beta-carotene in an emulsion (from 0.1 to 0.3g/kg emulsi

163 CRM also enabled the localization of beta-carotene in an emulsion.

164 The retention of all-trans-beta-carotene in breads containing 10, 20 and 30% OFSP f

165 preconcentration and UV-Vis spectroscopy of beta-carotene in fruit juice samples.

166 f vitamin C, alpha-tocopherol, phytoene, and beta-carotene in fruits; however, the effect was cultiva

167 ) best explained the degradation kinetics of beta-carotene in Golden Rice(R) lines across all the sto

168 lementary vitamin A and vitamin E esters and beta-carotene in infant formulae.

169 iles and contents of organic acids (OAs) and beta-carotene in sulfured dried apricots (SDAs) were inv

170 sus paper, to assess the bioaccessibility of beta-carotene in sweet potato flour.

171 olein:2% WPI) decreased the concentration of beta-carotene in the oil droplet.

172 to the results, self-association constant of beta-carotene in the presence of casein is 1.7-fold of t

173 t storage conditions on the stability of the beta-carotene in the transgenic Golden Rice(R) lines was

174 t genes such as Aldh1a2, Dhrs3, and Ccr9 The beta-carotene-inducible disruption of retinoid homeostas

175 However, subsequent beta-carotene instability during storage negatively affe

176 ce interval: 0.59, 0.85; P-trend < 0.01) and beta-carotene intake (hazard ratio = 0.76, 95% confidenc

177 Seven studies that evaluated dietary beta-carotene intake in relation to overall mortality, i

178 Our results show that beta-carotene interacted with other ingredients of emuls

179 The study of beta-carotene interaction with proteins showed, on the o

180 rotenes (phytoene, phytofluene, lycopene and beta-carotene) intestinal absorption are still only part

181 beta-Carotene is an important source of vitamin A for th

182 ene degradation showed that the half-life of beta-carotene is extended from less than 4 wk to 10 wk o

183 t tobacco plants shows that a pigment called beta-carotene is not necessary for photosynthesis.

184 Given that beta-carotene is transported in the adult bloodstream by

185 The cis-beta-carotene isomer was significantly increased after p

186 nalysis comprising seven studies showed high beta-carotene level in serum or plasma was associated wi

187 fect of Ven1(A619), while maintaining a high beta-carotene level.

188 h in lutein/zeaxanthin and contained highest beta-carotene levels among nuts.

189 e mutation (Cmor-lowbeta) that lowered fruit beta-carotene levels with impaired chromoplast biogenesi

190 l as fat addition and fat type on lutein and beta-carotene liberation and in vitro accessibility from

191 Fat addition increased beta-carotene liberation from raw and steamed puree, but

192 ticle size and heat treatments on lutein and beta-carotene liberation from spinach and Asia salads by

193 Results for beta-carotene liberation were similar, whereas that of b

194 t was determined by DPPH radical scavenging, beta-carotene-linoleic acid and lipid peroxidation assay

195 /- 0.05%), ORAC (43.40 +/- 6.22 uM TE/g) and beta- carotene/linoleic acid (61.41 +/- 5.30%) assays.

196 .0%), while 90.5% inhibition of oxidation of beta-carotene/linoleic acid system, and 30% reduction of

197 ity was assessed by DPPH and ABTS(+) assays, beta-carotene/linoleic acid system, and reduction of oxi

198 c process (electrospray) was used to produce beta-carotene loaded nanocapsules based on whey protein

199 ssociated with a higher intake of alpha- and beta-carotene, lower risk of diabetes was associated wit

200 The reaction kinetics and half-life for beta-carotene, lutein and alpha-tocopherol at 4 degrees

201 The rate of beta-carotene, lutein and alpha-tocopherol loss displaye

202 nins and carotenoids such as alpha-carotene, beta-carotene, lutein and lycopene were examined using a

203 ell as the smallest amounts of chlorophylls, beta-carotene, lutein and neoxanthin in fresh mass of co

204 y with decreased risk-vitamin A, vitamin B6, beta-carotene, lutein and zeaxanthin, magnesium, copper,

205 D: vitamin A, vitamin B6, vitamin C, folate, beta-carotene, lutein and zeaxanthin, magnesium, copper,

206 Serum concentrations of alpha- and beta-carotene, lutein plus zeaxanthin (L + Z), and alpha

207 participant characteristics, for alpha- and beta-carotene, lutein plus zeaxanthin, and alpha-tocophe

208 The stability of selected nutrients (beta-carotene, lutein, and alpha-tocopherol) in the free

209 Bioaccessibility was determined for beta-carotene, lutein, and total carotenoids via HPLC.

210 In addition, beta-carotene, lutein, beta-cryptoxanthin and violaxanth

211 opherol, gamma-tocopherol, delta-tocopherol, beta-carotene, lutein, beta-sitosterol, campesterol and

212 The highest concentrations of chlorophylls, beta-carotene, lutein, neoxanthin and violaxanthin were

213 al polyphenols, ascorbic acid, chlorophylls, beta-carotene, lutein, neoxanthin and violaxanthin.

214 due to co-extracted antioxidants (alpha- and beta-carotenes, lutein, alpha-tocopherol), and gelling e

215 hlorophylls a and b, carotenoids, alpha- and beta-carotenes, lutein, violaxanthin and zeaxanthin was

216 e produced with carotenoids extracts rich in beta-carotene, lycopene, and bixin.

217 Moreover, the highest stabilities of beta-carotene, MA and SO2 were determined in SDAs contai

218 rating oxidative stress, while vitamin A and beta-carotene may have additional antimycobacterial prop

219 Both populations of beta-carotene molecules were in all-trans configuration

220 sters inhibited the oxidative destruction of beta-carotene more effectively than did BHT and alpha-to

221 tamins, vitamin D plus calcium, vitamin C or beta-carotene, multi-ingredient supplements, or other OT

222 nalysis showed continued decrease of lutein, beta-carotene, neochrome a and neoxanthin continued to d

223 nce was in the percentage ranges relative to beta-carotene of 0.03-3.87%.

224 stitution levels and modest increases in the beta-carotene of rice produced a meaningful decrease in

225 This study investigated the impact of adding beta-carotene on the structure of fresh O/W emulsions wi

226 work, the bioactivity of commercial natural beta-carotenes, one softly extracted without heat-assist

227 tes being occupied by astaxanthin instead of beta-carotene or remaining empty (i.e. are not occupied

228 he micellar solubilization of (pro)vitamins (beta-carotene or retinyl palmitate) and the digestion of

229 and diepoxides were clearly identified from beta-carotene oxidation but in contrast, with canthaxant

230 metabolism were located in this QTL- region: beta-carotene oxygenase 1 (bco1) and beta-carotene oxyge

231 region: beta-carotene oxygenase 1 (bco1) and beta-carotene oxygenase 1 like (bco1l).

232 how that agouti signaling protein (ASIP) and beta-carotene oxygenase 2 (BCO2) are predictably diverge

233 The enzyme beta-carotene oxygenase 2 (BCO2) converts carotenoids in

234 beta-carotene oxygenase 2 (BCO2) is a carotenoid cleavag

235 that encodes the carotenoid-cleaving enzyme beta-carotene oxygenase 2 (BCO2).

236 sepiapterin reductase (SPR)] and carotenoid [beta-carotene oxygenase 2 (BCO2)] metabolism, demonstrat

237 ses of genes coding for scavenger receptors, beta-carotene oxygenases, and ketolases.

238 umors was statistically significant only for beta-carotene (P-heterogeneity = 0.03).

239 From the Raman image, the beta-carotene partitioning between the aqueous and oil p

240 Dietary supplements consisting of beta-carotene (precursor to vitamin A), vitamins C and E

241 e or esterified), derived from the intake of beta-carotene present in pasture plants, was found in mi

242 The addition of beta-carotene promoted an increase of viscoelasticity of

243 e presence of light, films with lycopene and beta-carotene protected sunflower oil mainly by their li

244 ith industrial and nutritional value such as beta-carotene (provitamin A).

245 0.60; P < 0.001; lutein r = 0.75; P < 0.001; beta-carotene r = 0.78; P < 0.001) while ORAC correlated

246 The beta-carotene reduced the interfacial tension of the LCT

247 The device was used to study the kinetics of beta-carotene release during tricaprylin digestion (inte

248 The fraction of lycopene and beta-carotene released from the plant matrix into the oi

249 /L.h for phytofluene, phytoene, lycopene and beta-carotene, respectively).

250 d measurements of maternal serum retinol and beta-carotene, respectively.

251 The beta-carotene retention at 25 degrees C was not related

252 Coatings containing CA or AA promoted beta-carotene retention in dried apricot pretreated by O

253 iation in circulating ascorbate (vitamin C), beta-carotene, retinol (vitamin A), and urate.

254 s suggest that higher exposure to ascorbate, beta-carotene, retinol, or urate does not lower the risk

255 in concentration and serum concentrations of beta-carotene, retinol-binding protein, and prealbumin.

256 are used to model ejection of particles from beta-carotene samples bombarded by 15 keV Ar(2000).

257 beta-carotene seems more dialysable than lutein in all l

258 ional method involving solvent extraction of beta-carotene separately from the total emulsion as well

259 A 2.7- and 3.6-fold enhancement in beta-carotene solubility was observed in the presence of

260 ethanol (5, 10 and 15%) which were used for beta-carotene solubilization.

261 Moreover, their beta-carotene stability and in vitro digestibility kinet

262 ention) that originally tested vitamin E and beta-carotene supplementation.

263 %) when compared to nanoparticles containing beta-carotene synthetic.

264 dding 30% of ethyl acetate in acetone, being beta-carotene the major carotenoid (7.8 and 7.3 mg/100 g

265 gy adopted involved pathway extension beyond beta-carotene through the expression of the beta-caroten

266 is critical to control the metabolic flow of beta-carotene through this important branching point of

267 volves an inhibited metabolism downstream of beta-carotene to dramatically affect both carotenoid con

268 15 and 12%, respectively, at 1:5 M ratio of beta-carotene to protein.

269 s a major site for the conversion of dietary beta-carotene to retinaldehyde by the enzyme BCO1.

270 ta-carotene 15,15'-oxygenase (BCO1) converts beta-carotene to retinaldehyde, which is then oxidized t

271 CH2) controls key steps in the conversion of beta-carotene to zeaxanthin in the endosperm.

272 n resulted in 85.6, 76.8, 60.2% retention in beta-carotene, total phenolics, Vitamin C, respectively,

273 After absorption, beta-carotene trended toward preferential cleavage compa

274 te the highest quantities of astaxanthin and beta-carotene (up to 7% and 13% dry weight respectively)

275 , folic acid alone or with other B vitamins, beta-carotene, vitamin C, vitamin D plus calcium, and mu

276 At follow-up, mean serum beta-carotene was 0.14 mumol/L (95% CI: 0.09, 0.20 mumol

277 ids, total anthocyanins, vitamin C and E and beta-carotene was assessed.

278 rption position of the farthest blue-shifted beta-carotene was attributed entirely to the polarizabil

279 t, the absorption maximum of the red-shifted beta-carotene was attributed to two different factors: t

280 d at 6 h, and total absorption of alpha- and beta-carotene was calculated.alphaRP was identified and

281 trans-beta-Carotene was found to be the major carotenoid in al

282 The kinetics of beta-carotene was found to follow the kinetics of lipoly

283 In conclusion, dietary or circulating beta-carotene was inversely associated with risk of all-

284 beta-Carotene was more susceptible to degradation compar

285 beta-Carotene was mostly converted in the proximal and m

286 , although a trend toward higher cleavage of beta-carotene was observed.

287 associated with these measurements, whereas beta-carotene was positively associated.

288 The beta-carotene was quantified using RP-HPLC at bimonthly

289 mortality, indicated that a higher intake of beta-carotene was related to a significant lower risk of

290 beta-Carotene was significantly higher in the Kamalsunda

291 tract, the stability and bioaccessibility of beta-carotene were also assessed.

292 trans- and cis-beta-Carotenes were analyzed by reversed-phase HPLC meth

293 omparison between lutein plus zeaxanthin and beta-carotene, were assessed for genotype interaction.

294 tein, zeaxanthin, antheraxanthin, alpha- and beta-carotene, were quantified by HPLC-DAD-MS in fourtee

295 carrots was not significantly different from beta-carotene when adjusting for dose, although a trend

296 ourfold increase in liberation of lutein and beta-carotene when comparing whole leaf and puree prepar

297 The CPSFL1 protein bound phytoene and beta-carotene when expressed in Escherichia coli and pho

298 ein, followed by its esters, zeaxanthin, and beta-carotene, while antheraxanthin and alpha-carotene o

299 icrog/100g fresh weigth, followed by (all-E)-beta-carotene with 200.40 and 173.50microg/100g fresh we

300 oil, identifying a sensor which responds to beta-carotene with a dissociation constant of 2.2 muM.

301 of the study was to encapsulate palm oil and beta-carotene with chitosan/sodium tripolyphosphate or c

302 etermine the partitioning characteristics of beta-carotene within the emulsion system in situ.