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Communication

Reducing Oil Separation in Ready-to-Use Therapeutic Food

Department of Pediatrics, Washington University, St. Louis, MO 63110, USA
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Foods 2020, 9(6), 706; https://doi.org/10.3390/foods9060706
Received: 7 May 2020 / Revised: 25 May 2020 / Accepted: 28 May 2020 / Published: 1 June 2020
Ready-to-use therapeutic food (RUTF) is a shelf-stable, low moisture, energy dense medicinal food composed of peanut butter, vegetable oils, milk powder, a multiple micronutrient premix and sugar. RUTF is used by millions of children annually to treat malnutrition. After mixing, RUTF is a semisolid covered with oil. To produce a homogenous RUTF, hydrogenated vegetable oils are incorporated in small quantities. This study utilized a benchtop methodology to test the effect of RUTF ingredients on oil separation. An acceptable oil separation was <4%. This method compared 15 different vegetable oil stabilizers with respect to oil separation. The dynamic progression of oil separation followed a Michaelis–Menten pattern, reaching a maximum after 60 days when stored at 30 °C. Hydrogenated vegetable oils with triglyceride or 50% monoglycerides reduced the oil separation to acceptable levels. The additive showing the largest reduction in oil separation was used in an industrial trial, where it also performed acceptably. In conclusion, fully hydrogenated soybean and rapeseed oil added as 1.5% controlled oil separation in RUTF. View Full-Text
Keywords: ready-to-use therapeutic food; oil separation; hydrogenated vegetable oils; food aid; peanut paste ready-to-use therapeutic food; oil separation; hydrogenated vegetable oils; food aid; peanut paste
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MDPI and ACS Style

Zuzarte, A.; Mui, M.; Ordiz, M.I.; Weber, J.; Ryan, K.; Manary, M.J. Reducing Oil Separation in Ready-to-Use Therapeutic Food. Foods 2020, 9, 706. https://doi.org/10.3390/foods9060706

AMA Style

Zuzarte A, Mui M, Ordiz MI, Weber J, Ryan K, Manary MJ. Reducing Oil Separation in Ready-to-Use Therapeutic Food. Foods. 2020; 9(6):706. https://doi.org/10.3390/foods9060706

Chicago/Turabian Style

Zuzarte, Andrea, Melody Mui, Maria I. Ordiz, Jacklyn Weber, Kelsey Ryan, and Mark J. Manary 2020. "Reducing Oil Separation in Ready-to-Use Therapeutic Food" Foods 9, no. 6: 706. https://doi.org/10.3390/foods9060706

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