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Insight into High-Hydrostatic Pressure Extraction of Polyphenols from Tomato Peel Waste
Plant Foods for Human Nutrition ( IF 4 ) Pub Date : 2020-06-22 , DOI: 10.1007/s11130-020-00831-1
Antonela Ninčević Grassino 1 , Sandra Pedisić 1 , Verica Dragović-Uzelac 1 , Sven Karlović 1 , Damir Ježek 1 , Tomislav Bosiljkov 1
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In this paper, high-hydrostatic pressure extraction (HHPE) as an emerging food processing and preservation technique constitutes an alternative to conventional thermal treatment that has been used for extraction of polyphenols from tomato peel waste generated by the canning industry. The impact of time (5 and 10 min), temperature (25, 35, 45 and 55 °C) and solvents (water, 1% HCl, 50 and 70% methanol with and without addition of HCl, and 50 and 70% ethanol), at a constant pressure of 600 MPa, has been evaluated in this paper with respect to polyphenols’ yields. The results showed a significant ( p < 0.05) variation in the contents of a great number of phenolic compounds in respect of the applied temperatures and solvents. On the other hand, the time invested in HHPE had no effect on polyphenols’ yields. Among phenolic compounds, the p -coumaric acid ( p -CA) and chlorogenic acid derivative (ChA der) are predominant, i.e ., 0.57 to 67.41 mg/kg and 1.29 to 58.57 mg/kg, respectively, depending on the solvents and temperatures used. In particular, methanol (50 and 70%) at temperatures of 45 and 55 °C enhanced the recovery of polyphenols in comparison to other utilised solvents. In conclusion, this paper puts forth the theory that by applying HHPE with minimal expenditure of time, it is possible to achieve efficient production of polyphenols from low-cost tomato peel waste, generating income both for producers and agri-food industries.

中文翻译:

从番茄皮废料中高静水压提取多酚的洞察

在本文中,高静水压力提取 (HHPE) 作为一种新兴的食品加工和保存技术,是传统热处理的替代方案,传统热处理已用于从罐头工业产生的番茄皮废料中提取多酚。时间(5 和 10 分钟)、温度(25、35、45 和 55 °C)和溶剂(水、1% HCl、50% 和 70% 甲醇,添加和不添加 HCl,以及 50% 和 70% 乙醇)的影响),在 600 MPa 的恒定压力下,本文已经评估了多酚的产率。结果表明,大量酚类化合物的含量在应用温度和溶剂方面存在显着(p < 0.05)变化。另一方面,在 HHPE 上投入的时间对多酚的产量没有影响。在酚类化合物中,对香豆酸 (p-CA) 和绿原酸衍生物 (ChA der) 占主导地位,即分别为 0.57 至 67.41 毫克/千克和 1.29 至 58.57 毫克/千克,具体取决于所使用的溶剂和温度。特别是,与其他使用的溶剂相比,45 和 55 °C 的甲醇(50% 和 70%)提高了多酚的回收率。总之,本文提出的理论是,通过以最少的时间应用 HHPE,可以从低成本的番茄皮废料中高效生产多酚,为生产者和农业食品行业创造收入。与其他使用的溶剂相比,甲醇(50% 和 70%)在 45°C 和 55°C 的温度下提高了多酚的回收率。总之,本文提出的理论是,通过以最少的时间应用 HHPE,可以从低成本的番茄皮废料中高效生产多酚,为生产者和农业食品行业创造收入。与其他使用的溶剂相比,甲醇(50% 和 70%)在 45°C 和 55°C 的温度下提高了多酚的回收率。总之,本文提出的理论是,通过以最少的时间应用 HHPE,可以从低成本的番茄皮废料中高效生产多酚,为生产者和农业食品行业创造收入。
更新日期:2020-06-22
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