Table 2 Predicted critical packing parameter for different phospholipid types and fatty acid compositions.

From: Spontaneous nanosized liposome formation from crude dried lecithin upon addition of glycerol

Fatty acid at sn-1 and sn-2

Phospholipid

Critical packing parameter

 

Phosphatidylcholine

 

Linolenic–Linolenic

 

0.96

Linolenic–Linoleic

 

0.92

Linoleic–Linoleic

 

0.84

Oleic–Linoleic

 

0.85

Oleic–Oleic

 

0.84

Palmitic–Linoleic

 

0.79

Palmitic–Oleic

 

0.80

Palmitic–Palmitic

 

0.73

 

Phosphatidylethanolamine

 

Linolenic–Linolenic

 

1.10

Linolenic–Linoleic

 

1.10

Linoleic–Linoleic

 

1.00

Oleic–Linoleic

 

1.01

Oleic–Oleic

 

1.01

Palmitic–Linoleic

 

1.03

Palmitic–Oleic

 

1.01

Palmitic–Palmitic

 

1.03

 

Phosphatidylinositol

 

Linolenic–Linolenic

 

0.77

Linolenic–Linoleic

 

0.77

Linoleic–Linoleic

 

0.81

Oleic–Linoleic

 

0.80

Oleic–Oleic

 

0.80

Palmitic–Linoleic

 

0.68

Palmitic–Oleic

 

0.75

Palmitic–Palmitic

 

0.59

 

Phosphatidylserine

Protonated|Ionized

Linolenic–Linolenic

 

1.14|1.00

Linolenic-Linoleic

 

1.14|0.97

Linoleic–Linoleic

 

1.16|0.96

Oleic–Linoleic

 

1.15|0.95

Oleic–Oleic

 

1.15|0.97

Palmitic–Linoleic

 

1.14|0.92

Palmitic–Oleic

 

1.14|0.98

Palmitic–Palmitic

 

1.10|0.97

 

Phosphatidic Acid

 

Linolenic–Linolenic

 

0.89

Linolenic–Linoleic

 

0.88

Linoleic–Linoleic

 

0.84

Oleic–Linoleic

 

0.84

Oleic–Oleic

 

0.84

Palmitic–Linoleic

 

0.88

Palmitic – Oleic

 

0.93

Palmitic–Palmitic

 

0.94

 

Phosphatidylglycerol

 

Linolenic–Linolenic

 

0.60

Linolenic-Linoleic

 

0.60

Linoleic–Linoleic

 

0.58

Oleic–Linoleic

 

0.58

Oleic–Oleic

 

0.60

Palmitic–Linoleic

 

0.56

Palmitic–Oleic

 

0.56

Palmitic–Palmitic

 

0.56

 

Lyso-Phosphatidylcholine

 

sn-2 Linolenic PC/sn-1 Linolenic PC

 

0.20/0.21

sn-2 Linoleic PC/sn-1 Linoleic PC

 

0.20/0.22

sn-2 Oleic PC/sn-1 Oleic PC

 

0.23/0.23

sn-2 Palmitic PC/sn-1 Palmitic PC

 

0.20/0.22

 

Lyso-Phosphatidylethanolamine

 

sn-2 Linolenic PE/sn-1 Linolenic PE

 

0.46/0.45

sn-2 Linoleic PE/sn-1 Linoleic PE

 

0.47/0.46

sn-2 Oleic PE/sn-1 Oleic PE

 

0.46/0.46

sn-2 Palmitic PE/sn-1 Palmitic PE

 

0.45/0.44

 

Lyso-Phosphatidylinositol

 

sn-2 Linolenic PI/sn-1 Linolenic PI

 

0.060/0.090

sn-2 Linoleic PI/sn-1 Linoleic PI

 

0.060/0.092

sn-2 Oleic PI/sn-1 Oleic PI

 

0.064/0.092

sn-2 Palmitic PI/sn-1 Palmitic PI

 

0.064/0.100

 

Lyso-Phosphatidylserine

Protonated|Ionized

sn-2 Linolenic PS/sn-1 Linolenic PS

 

0.33/0.30|0.25/0.22

sn-2 Linoleic PS/sn-1 Linoleic PS

 

0.36/0.36|0.20/0.28

sn-2 Oleic PS/sn-1 Oleic PS

 

0.31/0.31|0.25/0.25

sn-2 Palmitic PS/sn-1 Palmitic PS

 

0.30/0.32|0.27/0.26

 

Lyso-Phosphatidic Acid

 

sn-2 Linolenic PA/sn-1 Linolenic PA

 

0.46/0.44

sn-2 Linoleic PA/sn-1 Linoleic PA

 

0.42/0.40

sn-2 Oleic PA/sn-1 Oleic PA

 

0.40/0.40

sn-2 Palmitic PA/sn-1 Palmitic PA

 

0.39/0.38