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Table 1 Variables and their levels in the central composite design

From: Active packaging based on wheat germ protein isolate–Malva sylvestris leaf mucilage embedded with D-limonene nanoliposome: preparation and characterization

Factors: independent variables

 

Level used

x1 = The ratios of WGPI to MSLM

0.4

2.5

x2 = Glycerol (according to the starting WGPI weight) (%)

35

50

x3 = Nanoliposome (%)

0

3

Responses

Goal

WVP (10–11 g/m s Pa)

min

Solubility (%)

min

Tensile Strength (MPa)

max

Elongation (%)

max

Thickness (mm)

min

Antioxidant activity (%)

max

  1. WGPI: Wheat germ protein isolate, MSLM: Mucilage of Malva sylvestris leaves