Abstract
Abstract This study aimed to investigate the extraction of total phenolic compounds of sugarcane bagasse using various solvents. In addition, the Sugarcane Bagasse Water Extract (SBWE) was used in refrigerated fresh meat as natural preservative. The fresh meat was dipped into water solutions containing various phenolic compounds concentrations (T1:125, T2:250 and T3:500 ppm). During 10 days of storage at 4 °C for all the treated samples were compared with untreated one. The results revealed that SBWE showed relevant values of total phenolic compounds (17.90 mg/g) and total flavonoids content (4.50 mg/g), as well as 45.90% of antioxidant content. On the other hand, microbiological examination and sensory evaluation have turned out to be the best treatment for T3:500 ppm. The SBWE showed an antibacterial impact on Staphylococcus sp. and a reduction in the Total Plate Count and in the group of Psychrotrophs. The shelf-life of refrigerated fresh meat treated with SBWE by dipping it into water solutions was also extended to more than 10 days.
Highlights
Sugarcane is one of the most important crops, and the production of sugarcane generates a huge quantity of by-products and waste that may constitute a substantial extraction of useful compounds
This study aimed to investigate the extraction of total phenolic compounds of sugarcane bagasse using various solvents
The results revealed that Sugarcane Bagasse Water Extract (SBWE) showed relevant values of total phenolic compounds (17.90 mg/g) and total flavonoids content (4.50 mg/g), as well as 45.90% of antioxidant content
Summary
Sugarcane is one of the most important crops, and the production of sugarcane generates a huge quantity of by-products and waste that may constitute a substantial extraction of useful compounds. The dry bagasse is made of cellulose (45%), hemicellulose (28%), lignin (20%), sugar (5%), minerals (1%), and ash (2%). Cellulose (45%) and pentosanes (28%) are the principal components of dry bagasse (NikodinovicRunic et al, 2013); while the composition of the aqueous extract of sugarcane bagasse contains an average 38.83% of cellulose, 27.32% of hemicellulose, 25.92% of lignin, 0.43% of ash and 10.24% of extractives (Philippini et al, 2019). Carvalho et al (2009) reported that sugarcane bagasse aqueous extract contains about 42.50% of cellulose, 20.90% of lignin, 24.88% of hemicelluloses, 1.64% of ash and 5.83% of extractives Cellulose (45%) and pentosanes (28%) are the principal components of dry bagasse (NikodinovicRunic et al, 2013); while the composition of the aqueous extract of sugarcane bagasse contains an average 38.83% of cellulose, 27.32% of hemicellulose, 25.92% of lignin, 0.43% of ash and 10.24% of extractives (Philippini et al, 2019). Carvalho et al (2009) reported that sugarcane bagasse aqueous extract contains about 42.50% of cellulose, 20.90% of lignin, 24.88% of hemicelluloses, 1.64% of ash and 5.83% of extractives
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