Cultivar / Skin colour

Phenolic Compounds [mg•100g-1 FW]

Caffeic
and chlorogenic acid
(A)

Flavonoid glycosides
[as rutine equivalent]
(B)

Free flavonoids
[as quercetin equivalent]
(C)

Alibaba / white

 

 

 

harvest

-

-

-

storage

-

-

-

Efekt / yellow

 

 

 

harvest

339.5 i*

579 ab

1579.0 g

storage

257.5 h

1024.5 cd

1626.5 g

Kristine / yellow

 

 

 

harvest

329.5 i

627.5 b

1012.5 e

storage

197.0 fg

531.0 ab

739.5 bc

Tęcza / yellow

 

 

 

harvest

200.5 fg

639.0 b

879.5 cde

storage

122.5 ab

638.5 b

909.0 de

Zorza / yellow

 

 

 

harvest

169.5 de

483.0 ab

608.5 ab

storage

211.0 g

403.5 a

799.5 cd

LR/2 (breeding line) / yellow

 

 

 

harvest

129.0 abc

653.5 b

657.0 ab

storage

179.0 ef

473.5 ab

821.0 cd

Scarlet F1 / purple

 

 

 

harvest

-

-

-

storage

250.0 h

1048.5 cd

1595.5 g

Wenta / purple

 

 

 

harvest

115.5 a

891.5 c

531.0 a

storage

141.0 bc

454.5 ab

1260.5 f

NOE 8 (breeding line) / purple

 

 

 

harvest

181.0 ef

1142.5 d

838.0 cd

storage

150.9 cd

2190.0 e

998.5 e

*values marked with the same letter within columns do not differ significantly at α=0.05
Table 4: Level of phenolics compounds measured by HPLC in tunic of examined onion bulbs.