An efficient parallel procedure for the simulation of crack growth using the cohesive surface methodology

Optimization of an Extraction Procedure

Optimization of an Extraction Procedure for the Quantification of Vitamin E in Tomato and Broccoli using Response Surface Methodology

✍ Junsoo Lee; Lin Ye; William O. Landen Jr.; Ronaldo R. Eitenmiller 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 180 KB

Response surface methodology (RSM) was applied to optimize the extraction procedure for the determination of vitamin E in tomato and broccoli samples. The e!ects of varying the amount of 60% potassium hydroxide (KOH), saponi"cation time, and "nal ethanol concentration (EtOH) on the tocopherol conten