Screening of caffeine, preservatives and antioxidants in dairy products available in Bangladesh using an RP-HPLC method

Table 4 Linearity study of the proposed method

Standards	Concentration range (mg/L)	Regression equation (Y = mX + c)	Correlation coefficient (R²)
CF	2–200	Y = 23019X-42400	0.996
BA	50–500	Y = 14211X−43609	0.992
PP	2–100	Y = 10605X−11766	0.992
BP	2–100	Y = 9294X−84770	0.997
BHA	50–300	Y = 1720X +10364	0.996
BHT	50–300	Y = 1855X−46598	0.998

CF caffeine, BA benzoic acid, PP propylparaben, BP butylparaben, BHA butylated hydroxyanisole, BHT butylated hydroxytoluene

ISSN: 2731-9245