The significance of Pentose phosphate pathway are:
(i) PPP constitutes an alternate pathway for the breakdown of carbohydrates in respiration.
(ii) It produces ribose-5-phosphate, which is used in the synthesis of nucleic acid.
(iii) Erythrose-4-phosphate produced in PPP is required for the synthesis of lignin, anthocyanin, IAA and a number of other compounds.
