HPLC analysis of fat-soluble vitamins on standard and narrow bore columns with UV, electrochemical and particle beam MS detection

1997 ◽  
Vol 44 (11-12) ◽  
pp. 605-612 ◽  
Author(s):  
R. Andreoli ◽  
M. Careri ◽  
P. Manini ◽  
G. Mori ◽  
M. Musci
2013 ◽  
Vol 52 (9) ◽  
pp. 985-991 ◽  
Author(s):  
H. G. Daood ◽  
G. Bencze ◽  
G. Palotas ◽  
Z. Pek ◽  
A. Sidikov ◽  
...  
Keyword(s):  

1978 ◽  
Vol 16 (12) ◽  
pp. 616-622 ◽  
Author(s):  
J. W. Dolan ◽  
J. R. Gant ◽  
N. Tanaka ◽  
R. W. Giese ◽  
B. L. Karger

2000 ◽  
Vol 71 (4) ◽  
pp. 535-543 ◽  
Author(s):  
P Salo-Väänänen ◽  
V Ollilainen ◽  
P Mattila ◽  
K Lehikoinen ◽  
E Salmela-Mölsä ◽  
...  

1985 ◽  
Vol 15 (1-2) ◽  
pp. 185-192 ◽  
Author(s):  
F. Marx ◽  
J. G. S. Maia

It was found that fish livers from the Amazon have considerable amounts of vitamins A, D and E compared with the values of the standartized cod-liver oil. Tambaqui liver oil has high concentration of vitamin A1(retinol) and vitamin A2 (degidroretinol) whereas the liver oils of pirarucu and cuiu-cuiu have preferently the vitamin A2. The contents of the vitamins D and E observed in the liver oils of tambaqui and cuiu-cuiu was extremely high.


2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Rokayya Sami ◽  
Yang Li ◽  
Baokun Qi ◽  
Shengnan Wang ◽  
Qiaozhi Zhang ◽  
...  

Okra is consumed as a vegetable by populations in Africa and Asia and particularly in Egypt. In this study, we investigated some nutritional components of okra grown in four different geographical locations of Egypt. A comparative analysis of water-soluble vitamins (B2, B3, B6, B12, and C) and fat-soluble vitamins (E, K, D, A, andβ-carotene) in okra pods was carried out. Results of principal component analysis (PCA) showed three clusters of varieties. The first cluster included the Dakahlia (D) and Kafr El-Sheikh (K) varieties. The second and the third clusters separated out the Suez (S) and Mansoura (M) varieties independently. The S pod showed the highest contents of vitamins B6 (49.81 μg/100 g) and E (1.47 mg/100 g) but contained the lowest contents of vitamins B3 (1.42 μg/100 g) and B12 (undetected). The K pod showed the lowest vitamin C content (11.60 mg/100 g). The M pod showed the highest contents of vitamins B3 (22.70 μg/100 g), B12 (91.20 μg/100 g), C (27.14 mg/100 g), and K (0.21 mg/100 g). The D pod showed the lowest contents of vitamins E (0.15 mg/100 g), K (0.05 mg/100 g), and B6 (11.50 μg/100 g). These findings could help develop meal planning at the community level by incorporating okra varieties with high vitamin content.


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