OPTIMIZATION OF β-CAROTENE FROM ‘ATAULFO’ MANGO (Mangifera indica L.) BY-PRODUCTS USING ULTRASOUND-ASSISTED EXTRACTION
The present study investigated β-carotenecontent of ‘Ataulfo’ Mango by-products, obtained from a local industry. β-carotenewas investigated by HPLC-PDA. Extraction of β-carotene from mango peel and paste was optimized using ultrasound-assisted extraction (UAE). The influence of three independent variables was evaluated: extraction time (min, XET), sonication amplitude (%, XSA), and pulse cycle (XPC). Theβ-carotene extraction was optimized using a response surface methodology. The optimal conditions to achieve the maximal content of β-carotene were XET(30 min), XSA(30%), XPC(0.8) for both by-products. Experimental results (peel 19.13 ± 0.41mg/g DWand paste 6.60 ± 1.60mg/g DW)correlated positively (R=0.99) with predicted values. The extraction efficiency of β-carotene was significantly higher in UAE than conventional solvent extraction. These results indicate that UAE of β-carotene from mango peel and paste can be used to improve the yield in the extraction of carotenoids in mango by-products.
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