Evaluation on the quality of Malaysian refined palm stearin

The quality of Malaysian palm stearin was monitored through a twelve-month survey in 2018, by participation of palm oil refineries and oleochemical plants from Peninsular Malaysia and Sarawak. Quality parameters requirement as listed in the Palm Oil Refinery Association of Malaysia (PORAM) specifica...

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Veröffentlicht in:Oléagineux corps gras lipides 2022, Vol.29, p.37
Hauptverfasser: Ahmad Bustamam, Farah Khuwailah, Yeoh, Chee Beng, Sulaiman, Najwa, Saw, Mei Huey
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Sprache:eng
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Zusammenfassung:The quality of Malaysian palm stearin was monitored through a twelve-month survey in 2018, by participation of palm oil refineries and oleochemical plants from Peninsular Malaysia and Sarawak. Quality parameters requirement as listed in the Palm Oil Refinery Association of Malaysia (PORAM) specification such as moisture, impurities, free fatty acids, slip melting point, peroxide value and iodine value were determined. Other identity characteristics analyses as detailed in the palm stearin specification namely Malaysian Standard MS 815:2007 and Codex Alimentarius CXS 210-1999 documents were also analyzed, which were apparent density, refractive index, fatty acids composition, triacylglycerols, etc. Results obtained from this survey indicated that the quality of Malaysian palm stearin complied with the requirements specified in MS 815:2007 and Codex CXS 210-1999 documents. The iodine value determined was ranged from 28 g I 2 /100 g oil to 48 g I 2 /100 g oil, with 60.9% of the palm stearin tested were in the range of 30 g I 2 /100 g oil to 35 g I 2 /100 g oil. Meanwhile, some deviations are found in the average of parameter such as refractive index, apparent density, slip melting point, oleic and palmitic acids of the palm stearin produced. These deviations could be due to the improvement in current fractionation technologies causing less olein entrainment in stearin products, which resulted of harder stearin fraction in the sample itself, giving a more representative reading of the parameters. La qualité de la stéarine de palme de Malaisie a été contrôlée lors d’une enquête menée durant 12 mois en 2018, avec la participation des raffineries d’huile de palme et des usines oléo-chimiques de la Malaisie péninsulaire et du Sarawak (un des 2 états de Malaisie orientale, situé sur l’île de Bornéo). Les exigences relatives aux paramètres de qualité listés dans la spécification de la Palm Oil Refinery Association of Malaysia (PORAM), tels que l’humidité, les impuretés, les acides gras libres, le point de fusion par glissement, l’indice de peroxyde et l’indice d’iode ont été déterminées. D’autres caractéristiques telles que détaillées dans la norme malaisienne MS 815:2007 et les documents du Codex Alimentarius CXS 210-1999 relatifs à la stéarine de palme, ont également été analysées : densité apparente, indice de réfraction, composition des acides gras, triacylglycérols, etc. Les résultats de cette étude ont indiqué que la qualité de la stéarine de palme de Malaisie
ISSN:2272-6977
2257-6614
DOI:10.1051/ocl/2022030