Tang Pei Ling, Hassan Osman
1Department of Bioscience, Faculty of Applied Sciences, Tunku Abdul Rahman University College, Jalan Genting Kelang, Setapak, 53300 Kuala Lumpur, Malaysia.
2School of Chemical Sciences and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, UKM, 43600 Bangi, Selangor Malaysia.
BMC Chem. 2020 Feb 3;14(1):7. doi: 10.1186/s13065-020-0663-y. eCollection 2020 Dec.
This study was conducted to evaluate the potential of pineapple peel (PP) and pineapple crown leaves (PCL) as the substrate for vanillic acid and vanillin production. About 202 ± 18 mg L and 120 ± 11 mg L of ferulic acid was produced from the PP and PCL respectively. By applied response surface methodology, the ferulic acid yield was increased to 1055 ± 160 mg L by treating 19.3% of PP for 76 min, and 328 ± 23 mg L by treating 9.9% of PCL for 36 min in aqueous sodium hydroxide solution at 120 °C. The results revealed that PP extract was better than PCL extract for vanillic acid and vanillin production. Furthermore, the experiment also proved that large volume feeding was more efficient than small volume feeding for high vanillic acid and vanillin yield. Through large volume feeding, about 7 ± 2 mg L of vanillic acid and 5 ± 1 mg L of vanillin was successfully produced from PP extract via fermentation.
本研究旨在评估菠萝皮（PP）和菠萝冠叶（PCL）作为香草酸和香草醛生产底物的潜力。PP和PCL分别产生了约202±18mg/L和120±11mg/L的阿魏酸。通过应用响应面法，在120℃的氢氧化钠水溶液中，处理19.3%的PP 76分钟，阿魏酸产量提高到1055±160mg/L；处理9.9%的PCL 36分钟，阿魏酸产量提高到328±23mg/L。结果表明，在香草酸和香草醛生产方面，PP提取物优于PCL提取物。此外，实验还证明，大体积进料比小体积进料更有利于高香草酸和香草醛产量。通过大体积进料，通过发酵从PP提取物中成功生产出约7±2mg/L的香草酸和5±1mg/L的香草醛。
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