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Sigma-Aldrich

Neoxanthin

≥90% (HPLC)

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Synonym(s):
(3S,3′S,5R,5′R,6R,6′S,9′-cis)-6,7-Didehydro-5′,6′-epoxy-5′,6′-dihydro-β,β-carotene-3,3′,5(6H)-triol, 9′-cis-Neoxanthin
Empirical Formula (Hill Notation):
C40H56O4
CAS Number:
14660-91-4
Molecular Weight:
600.87
UNSPSC Code:
12352202
NACRES:
NA.32

Quality Level

100

Assay

≥90% (HPLC)

form

solid

λ

in ethanol

UV absorption

λ: 435-439 nm Amax

storage temp.

−20°C

SMILES string

C/C(C([H])=[C@]=C1[C@](C)(O)C[C@@H](O)CC1(C)C)=C\C=C\C(C)=C\C=C\C=C(C)\C=C\C=C(/C=C/[C@@]2(O3)[C@@]3(C)C[C@@H](O)CC2(C)C)C

InChI

1S/C40H56O4/c1-29(17-13-19-31(3)21-22-35-36(5,6)25-33(41)27-38(35,9)43)15-11-12-16-30(2)18-14-20-32(4)23-24-40-37(7,8)26-34(42)28-39(40,10)44-40/h11-21,23-24,33-34,41-43H,25-28H2,1-10H3/b12-11+,17-13+,18-14+,24-23+,29-15+,30-16+,31-19+,32-20+/t22?,33-,34-,38+,39+,40-/m0/s1

InChI key

PGYAYSRVSAJXTE-CLONMANBSA-N

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Application

Neoxanthin has been used as a reference standard to determine the phenolic content and antioxidant activity of Phaeodactylum tricornutum extracts by high-performance liquid chromatography (HPLC).

Biochem/physiol Actions

Neoxanthin is an allenic xanthophyll and one of the major carotenoids found in plants such as spinach and barley leaves. A trace amount of this pigment is also found in olive oil. Neoxanthin exists as two geometric isomers such as trans-neoxanthin and 9′-cis-neoxanthin. It acts as a precursor of abscisic acid. It plays a role in photoprotection by providing general antioxidant activity. Neoxanthin exhibits apoptotic and anti-proliferative effects.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Eiichi Kotake-Nara et al.
Cancer letters, 220(1), 75-84 (2005-03-02)
Neoxanthin and fucoxanthin, which have the characteristic structure of 5,6-monoepoxide and an allenic bond, were previously found to reduce the viability of human prostate cancer cells most intensively among 15 dietary carotenoids tested. In the present study, the induction of
Molecular approaches toward targeted cancer therapy with some food plant products: On the role of antioxidants and immune microenvironment
Khuda-Bukhsh A R, et al.
Cancer, 191-202 (2021)
F Bouvier et al.
European journal of biochemistry, 267(21), 6346-6352 (2000-10-13)
Neoxanthin, a precursor of the plant hormone abscisic acid, is an allenic xanthophyll recognized as the last product of carotenoid synthesis in green plants. A cDNA for neoxanthin synthase (NSY) was isolated from tomato using a molecular approach based on
Saniye AkyÄ L et al.
Acta chimica Slovenica, 67(4), 1250-1261 (2021-02-04)
The effect of homogenization, ultrasound and microwave extraction methods and conditions on fucoxanthin content, total phenolic content and antioxidant activity of extracts obtained from Phaeodactylum tricornutum were investigated in this study. The solvent/biomass ratio was the most effective parameter on
Kranthi K Chebrolu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1001, 41-48 (2015-08-11)
A high-throughput, robust and reliable method for simultaneous analysis of five carotenoids, four chlorophylls and one tocopherol was developed for rapid screening large sample populations to facilitate molecular biology and plant breeding. Separation was achieved for 10 known analytes and
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