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A
XcisBC
= the peak area of unidentified
cis
isomers of β-carotene in the sample
chromatogram (AU)
A
A
= the peak area of apocarotenal in the sample chromatogram (AU)
RF
BC
= the response factor for all-
trans
-β-carotene
BC
Total
= BC
trans
+ BC
cis
References
(a)
Aman et al. (2005).
Food Chem
. 92: 753-763.
(b)
Bierer et al. (1995).
J. Nutr.
125: 1569-1577.
(c)
Craft and Soares (1992).
J. Agric. Food Chem
. 40: 431-434.
(d)
Granado et al. (2001).
J. Food Comp. Anal
. 14: 479-489.
(e)
Marx et al. (2000).
Food Chem
. 70: 403-408.
(f)
Müller et al. (2008).
J. AOAC Int
. 91(6): 1284-1297.
(g)
Ping and Lian (2006).
J. Oil Palm Res.
17: 92-102.
(h)
Puspitasari-Nienaber et al. (2002).
JAOCS
79(7): 633-640.
(i)
Szpylka and DeVries (2005).
J. AOAC Int
. 88(5): 1279-1291.
(j)
The United States Pharmacopeial Convention (2014). Revision Bulletin - Beta Carotene.
(k)
Waysek et al. (2010).
J. AOAC Int
. 93(2): 499-509.
METHOD
FOR ERP USE ONLY
DO NOT DISTRIBUTE