Conditions to Prolonged Release of Microencapsulated Carvacrol on Alginate Films as Affected by Emulsifier Type and PH

Table 1

Coded and actual values for independent factors (, , ) with 5 levels used in the experimental (central composite rotatable (CCRD)) design.

	Coded value
	−α (−1.68)	−1	0	+1	+α (+1.68)
	Actual values
Factors
pH,	4.8	4	6	7.2	8
Temperature (°C),	4	10	20	25	30
Relative humidity (%),	75	85	87	94	100