Table 2. Surface oil (mg/100 g) of the samples (mean±SD)

Sample	Composition (% emulsifier-wall material)	Surface oil
1	2–20	39±1.95^a
2	2–25	35±0.58^c
3	4–20	37±0.57^b
4	4–25	31.66±0.54^d

Values in the same column with same letter have no significant difference (p>0.05).