Production of Protocatechuic Acid from <i>p</i> -Hydroxyphenyl (H) Units and Related Aromatic Compounds Using an Aspergillus niger Cell Factory

Abstract

Aromatic compounds have broad applications and are used in many industries, such as the cosmetic, food, fragrance, paint, plastic, pharmaceutical, and polymer industries. The majority of aromatic compounds are synthesized from fossil sources, which are becoming limited.