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Mineral oil hydrocarbons (MOSH/MOAH) in tropical plants oils and removal of them by molecular distillation
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  • Mingming Zhang,
  • Hai Zhang,
  • Wenming Cao,
  • Yan Wang,
  • Hong Zhang,
  • Yuanrong Jiang
Mingming Zhang

Corresponding Author:zhangleming0703@163.com

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Wenming Cao
Wilmar Biotechnology R&D Centre
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Yan Wang
Wilmar Shanghai Biotechnology Research and Development Center Co Ltd
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Hong Zhang
Wilmar Biotechnology R&D center, Shanghai R&D center
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Yuanrong Jiang
Wilmar Shanghai Biotechnology Research and Development Center Co Ltd
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Abstract

Nowadays, tropical plants oils (e.g. palm oil and coconut oil) are extensively used in consumer products, especially in infant formulas. However, there is a lack of statistical data about the levels of mineral oil in tropical oils, including saturated hydrocarbons (MOSH) and aromatic hydrocarbons (MOAH). In this study, we reported a survey of MOSH/MOAH in tropical oils. Meanwhile, we provided an effective strategy to reduce the content of MOSH/MOAH. A total of 708 tropical plant oils were collected from five tropical countries for this survey. The highest quantifiable MOSH and MOAH concentrations were up to 455.99 mg kg-1 and 78.87 mg kg-1, respectively. Thereinto, MOSH was ubiquitous in almost all the tested samples. The distribution of sub-fractions for MOSH was centered at C25-C35 and C35-C40 for most crude and refined oils. After distillation, the MOH sub-fraction ≤C40 could be removed effectively, but there was no effect on the sub-fraction >C40.