Palm oil is traditionally, and still industrially, produced by milling the fruits of oil palm. Besides milling, palm oil is produced by cold-pressing the fruit of the oil palm since the 1990s. This type of artisanal palm oil is usually not further refined, so they keep the natural red color.
How to remove color from palm oil in Malaysia?
Palm oil production is important part of economies in many parts of rural Malaysia, but is also a source of environmental conflict Crude PO can be refined to remove its non-triglyceride components. Bleaching removes color from the oil. This is achieved by adding a clay absorbent called bleaching earth in a vacuum mixer.
How much oil is extracted from palm kernels?
The oil palm produces bunches containing many fruits with the fleshy mesocarp enclosing a kernel that is covered by a very hard shell. The FAO considers palm oil (coming from the pulp) and palm kernels to be primary products. The oil extraction rate from a bunch varies from 17 to 27% for palm oil, and from 4 to 10% for palm kernels.
How much oil does a palm oil farm produce per hectare?
In 2016, it was found that palm oil farms produce around 4.17 metric tons of oil per hectare. By contrast other oils, such as sunflower, soybean, or peanut only produce 0.56, 0.39, and 0.16 metric tons respectively per hectare.