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Co-management of agro-industrial wastes by solid-state fermentation for the production of bioactive compounds
Industrial Crops and Products ( IF 5.9 ) Pub Date : 2021-09-01 , DOI: 10.1016/j.indcrop.2021.113990
Paulina Leite 1 , Isabel Belo 1 , José Manuel Salgado 1, 2
Affiliation  

Agro-food industries face the challenge of re-using their wastes following the circular economy concept. The co-bioprocessing of wastes produced by different agro-food industries located in the same region can be a suitable strategy for the valorization of these wastes. This work evaluated the use of mixtures of wastes from wineries, olive mill and breweries to produce lignocellulolytic enzymes and antioxidant compounds by Aspergillus niger under solid-state fermentation (SSF). The SSF of a mixture of brewery spent grain with crude and exhausted olive pomace led to the highest values of enzymatic activity (xylanase, 837 U/g, cellulase, 87 U/g; β-glucosidase, 254 U/g), being higher than enzymes activities per mass of total substrates. The highest antioxidant activity was achieved after 1 day of fermentation, being 2.3-fold higher in comparison to the unfermented wastes. SSF allowed the co-management of agro-industrial wastes from different industries.



中文翻译:

通过固态发酵生产生物活性化合物共同管理农业工业废物

农业食品行业面临着遵循循环经济概念重新利用其废物的挑战。对位于同一地区的不同农业食品工业产生的废物进行协同生物处理可能是对这些废物进行增值的合适策略。这项工作评估了黑曲霉使用酿酒厂、橄榄磨坊和啤酒厂的废物混合物生产木质纤维素分解酶和抗氧化化合物的情况。在固态发酵(SSF)下。啤酒糟与粗橄榄果渣混合物的 SSF 导致酶活性的最高值(木聚糖酶,837 U/g,纤维素酶,87 U/g;β-葡萄糖苷酶,254 U/g),更高比每质量总底物的酶活性。发酵 1 天后达到最高的抗氧化活性,比未发酵的废物高 2.3 倍。SSF 允许对来自不同行业的农业工业废物进行共同管理。

更新日期:2021-09-02
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