Recipe lab

Saponis

Head-to-head

Palm Oil (RSPO) vs Rice Bran Oil

hard
soft

Substitution factor

NaOH SAP A 0.1420NaOH SAP B 0.1340A / B = 0.1420 / 0.1340

1.0597

Multiply your lye amount by 1.0597 when swapping Palm Oil (RSPO) for Rice Bran Oil.

Inverse 0.9437 when swapping Rice Bran Oil for Palm Oil (RSPO).

500 g swap · pure NaOH

500 g Palm Oil (RSPO)
71.00 g NaOH
500 g Rice Bran Oil
67.00 g NaOH
Lye_A = Lye_B × factor
67.00 × 1.0597 = 71.00
Reverse pair

Constants

SAP, iodine, INS

MetricPalm Oil (RSPO)Rice Bran OilΔ A−B
NaOH SAP (pure)

0.1420

0.1340

+0.0080
KOH SAP (pure)

0.1990

0.1870

+0.0120
KOH SAP (90%)

0.2211

0.2078

+0.0133
Iodine value

53

100

-47
INS

145

87

+58
Max % of oils

50%

20%

+30
Hardness class

hard

soft

—
Trace

neutral

slows

—
INCI (pre-sap)

Elaeis Guineensis (Palm) Oil

Oryza Sativa (Rice) Bran Oil

—
INCI NaOH salt

Sodium Palmate

Sodium Rice Branate

—
INCI KOH salt

Potassium Palmate

Potassium Rice Branate

—

Fatty acids

Eight-acid profile

MetricPalm Oil (RSPO)Rice Bran OilΔ A−B
Lauric C12:0

0.0%

0.0%

0.0
Myristic C14:0

1.0%

1.0%

0.0
Palmitic C16:0

44.0%

21.0%

+23.0
Stearic C18:0

5.0%

2.0%

+3.0
Ricinoleic C18:1-OH

0.0%

0.0%

0.0
Oleic C18:1

39.0%

42.0%

-3.0
Linoleic C18:2

10.0%

31.0%

-21.0
Linolenic C18:3

0.0%

1.0%

-1.0

Quality

Physical contribution

MetricPalm Oil (RSPO)Rice Bran OilΔ A−B
Hardness

50.0

24.0

+26.0
Cleansing

1.0

1.0

0.0
Conditioning

49.0

74.0

-25.0
Bubbly lather

1.0

1.0

0.0
Creamy lather

49.0

23.0

+26.0
Longevity

49.0

23.0

+26.0