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  1. Ariffin, A.A., Chan, H.H., Yusof, N., Mohd, S., Ng, W.M., Mansor A.
    JUMMEC, 2019;22(1):66-71.
    MyJurnal
    Freeze drying is a dehydration method to dry bone under freezing environment, enabling removal of water
    with no or minimial effects on bone strength and durability. Larger size bones obviously require longer freeze
    drying time to reduce water content to the required level for long term storage at room temperature. For small
    size bone cubes or chips, it is a normal practice to pool cortical and cancellous bones for freeze drying. The
    study was aimed at determining if different type of bones of the same size influence the drying time. Human
    bone cubes of 10 mm x 10 mm x 10 mm were prepared from cortical bone of tibiae and cancellous bone from
    femoral heads. The bone cubes were freeze dried to reduce water content to less than 6%. Moisture content
    was monitored using gravimetric method.Weight and density of cortical bone were significantly higher than
    cancellous bone despite of having similar small size (p
  2. Mohd Jaih, A.A., Abdul Rahman, R., Abdull Razis, A.F., Ariffin, A.A., Al-Awaadh, A., Suleiman, N.
    MyJurnal
    Oil is one of the major components of date seed alongside dietary fibre, carbohydrate, protein, moisture and ash. Therefore, the present work focused on the extraction of oil from five varieties of date seed using Soxhlet extraction method and subsequently characterised their physicochemical and antioxidant properties accordingly. Oil extracted from the seeds ranged between 8 to 9.8%, whereas the iodine values were between 48.7 to 55.5 g I2/100g. Furthermore, oleic and lauric acids were revealed as the main fatty acids present in the date seed oil, with LaOO (La: lauric acid; O: oleic acid) as the main triacylglycerol. The total phenolic content in the oil ranged from 7.96 to 17.72 mg GAE/g oil, while the antioxidant activity, expressed as EC50, ranged from 5.17 to 17.18 mg/mL. Additionally, the highest reducing activity was observed at 4mg/mL. Hence, oil characteristics are dependent on the type of date, thus indicating that different potential applications may be suggested.
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