Probiotics Australia is one of the biggest manufacturers of Papaya Leaf Extract in Australia, also known as Paw Paw Leaf Extract. Probiotics Australia's manufacturing facility has been perfecting the production process since 1992.The organically grown and certified leaves are handpicked and slow dried at 37.5 degrees Celsius. This is to preserve the minerals, nutrients, vitamins and enzymes within the leaves. Once the leaves are dried, they are micronized into tiny particles which helps during the extraction and fermentation process ensuring that all active properties in to the full.,aves are utilised