Abstract: The present invention discloses composition(s) for increasing the levels of tyrosine hydroxylase in the mammalian brain of human subjects and thus increasing the levels of brain catecholamines, in treating neurological related disorders. The composition(s) comprise(s) a biological extract obtained from the oil palm fruit bunch or aqueous stream of the processing or milling of oil palm fruit bunches. In an embodiment, the extract is obtained from the oil palm fruit bunch or aqueous stream of the processing or milling of oil palm fruit bunches. The extract is water-soluble. In another embodiment, the extract further comprises one or more organic compounds. The one or more organic compounds are selected from the group consisting of but not limited to sugars, phenolic compounds, flavonols, stilbenoids, dihydroflavonols, anthocyanins, shikimic acid, soluble fibres and peptides.

Abstract: The invention provides a method for enhancing flavour profile of beverages comprising increasing perceptibility of sweetness, increasing acidity, and decreasing astringent taste in beverages, increasing perceptibility of floral and spice notes by adding an effective flavour enhancing amount of water-soluble Palm Fruit Bioactive complex (wsPFBc/OPP) or their extracts into a beverage is disclosed a composition comprising a beverage and oil palm phenolics (OPP) or their extracts such that the OPP or their extracts modify or alter the fragrance and flavour of the beverage.