Abstract
Pueraria lobata and coix seeds have complementary nutritional profiles, and their nutritional value can be enhanced through biotransformation. Agrocybe aegerita (A. aegerita) is a highly nutritious mushroom with a rich enzyme content. This study investigated the flavor, physicochemical properties, and storage stability of P. lobata-coix seed fermented beverage (PCFB) by A. aegerita. Sixty volatile compounds were detected by headspace solid-phase microextraction coupled with gas chromatography–mass spectrometry. Compared to unfermented PCFB, fermentation with A. aegerita enhanced its physicochemical properties, with the contents of essential amino acids, γ-Aminobutyric acid, and soluble proteins increasing from 16.81%, 2.64 mg/100 mL, and 49.40% to 21.06%, 4.20 mg/100 mL, and 53.08%, respectively. Two efficient shelf-life prediction models of PCFB were established with the Arrhenius model using pH and sensory evaluation as indexes. These findings demonstrate that PCFB is a novel, high-quality beverage and provide a foundation for potential industrial production of PCFB using A. aegerita.
Published Version
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