The present invention relates to extracts derived from Pueraria mirifica, Butea superba and/or Mucuna colletti and extraction thereof, foods, beverages, pharmaceutical products and/or cosmetics containing the extracts as an active ingredient and manufacturing thereof. The extracts isolated from the said plants contain higher concentration of isoflavones. The products products produced from composition containing the extracts considerably increase a resilience an gloss of skin at its application in human body.