• Is expeller pressing better than solvent extraction?
  • However, both methods have some major pitfalls to overcome: a lower oil yield with expeller pressing compared to solvent extraction can make the process economically disadvantageous, and the use of organic solvents brings environmental concerns.
  • Why is pepper production increasing in Malaysia?
  • In terms of pepper production, Malaysia registered an increase of 2.13% from 23,000 tonnes in 2016 to 23,500 tonnes in 2017 (IPC, 2018a). The increase was partly due to the expansion of pepper farms throughout the region fostered by temporary higher pepper prices in 2015. Figure 1 depicts pepper production in Malaysia from 2015 to 2017.
  • Does mechanical pressing extract oil from oilseeds?
  • Mechanical pressing is commonly employed to extract oil from oilseeds and is dependent on pretreatment of raw seed material ( Mildner-Szkudlarz, R¨®?a¨½ska, Siger, Kowalczewski, & Rudzi¨½ska, 2019 ). However, mechanical pressing processes have a low extraction efficiency (<70% oil is extracted).
  • What is the difference between expeller pressed and cold pressed oil extraction?
  • The difference between expeller pressed vs cold pressed oil extraction is that during the latter process, the fruit/nuts/seeds are pressed using either a bladder press (used with softer fruits), hydraulic press, or low resistance expeller pressing so as not to exceed the 122¡ãF temperature requirement.
  • What seeds can be used for oil extraction using SFE?
  • The most important economically viable seeds for extraction of oil using SFE in the industrial scale include more recently hemp ( Cannabis sativa L.) seed, rasp grape seed, berry seed, and date seed, since a number of these seeds are discarded as an industrial waste, therefore they can be utilized for the green production of oil.
  • Is pepper planting a challenging farming activity in Malaysia?
  • Pepper planting activity remains a challenging farming activity in the rural community, particularly in Sarawak, Malaysia.