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Asian Journal of Dairy and Food Research, volume 37 issue 4 (december 2018) : 261-266

Evaluation of nutritional, physio-chemical and sensory properties of sapodilla (Manilkara zapota) pulp incorporated set yoghurt

R.M.S. Madhubhashini, U.L.P. Mangalika, W.A.D. Nayananjalie, W.A.P.P. Weeragalle, M.V.I. Kumari
1Department of Animal and Food Sciences, Faculty of Agriculture, Rajarata University of Sri Lanka, Puliyankulama, Anuradhapura, Sri Lanka.
Cite article:- Madhubhashini R.M.S., Mangalika U.L.P., Nayananjalie W.A.D., Weeragalle W.A.P.P., Kumari M.V.I. (2018). Evaluation of nutritional, physio-chemical and sensory properties of sapodilla(Manilkara zapota) pulp incorporated set yoghurt. Asian Journal of Dairy and Food Research. 37(4): 261-266. doi: 10.18805/ajdfr.DR-125.

ABSTRACT

The study was conducted to develop a value added set yoghurt, flavoured with acceptable combination of milk and ripened sapodilla fruit pulp. Sensory data showed that, the sample incorporated with 5% sapodilla pulp had the best qualities. Significantly lower (P < 0.05) pH (4.0 – 4.2) was observed in sapodilla added samples compared to the control (4.7). Further, significantly higher (P < 0.05) protein contents (5.58 - 5.73%) and total solids (29.34 - 29.64%) were observed in control and 5% sapodilla added yoghurts compared to 15% sapodilla added yoghurts. Escherichia coli was not detected and yeast and mould counts were accordance with the Sri Lanka Standards (824:1989) for a period of 15 days at refrigerated storage. In conclusion, yoghurt incorporated with 5% (w/w) sapodilla pulp has better organoleptic properties and nutritional value and can be stored under refrigerated conditions for 15 days without any quality deterioration while producing at lower cost. 

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