期刊
JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE
卷 96, 期 10, 页码 3321-3333出版社
WILEY
DOI: 10.1002/jsfa.7510
关键词
Moringa oleifera seed oil; enzymatic interesterification; plastic fats; oleic acid; palm stearin; palm kernel oil
资金
- Universiti Putra Malaysia (UPM) [02-01-04-SF0395]
BACKGROUND: High oleic acid Moringa oleifera seed oil (MoO) has been rarely applied in food products due to the low melting point and lack of plasticity. Enzymatic interesterification (EIE) of MoO with palm stearin (PS) and palm kernel oil (PKO) could yield harder fat stocks that may impart desirable nutritional and physical properties. RESULTS: Blends of MoO and PS or PKO were examined for triacylglycerol (TAG) composition, thermal properties and solid fat content (SFC). EIE caused rearrangement of TAGs, reduction of U-3 and increase of U2S in MoO/PS blends while reduction of U3 and S-3 following increase of S2U and U2S in MoO/PKO blends (U, unsaturated and S, saturated fatty acids). SFC measurements revealed a wide range of plasticity, enhancements of spreadability, mouthfeel and cooling effect for interesterified MoO/PS, indicating the possible application of these blends in margarines. However, interesterified MoO/PKO was not suitable in margarine application, while ice-cream may be formulated from these blends. A soft margarine formulated from MoO/PS 70: 30 revealed high oxidative stability during 8 weeks storage with no significant changes in peroxide and p-anisidine values. CONCLUSION: EIE of fats with MoO allowed nutritional and oxidative stable plastic fats to be obtained, suitable for possible use in industrial food applications. (C) 2015 Society of Chemical Industry
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