Antioxidant Activity and Nutritional Properties of Freshly Tapped Palmyra (Borassus flabellifer) Sap

Q3 Engineering

Advances in Technology Innovation Pub Date : 2021-07-06 DOI:10.31357/AIT.V1I2.4880

M. Sivaji, B. Aheeshan

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Abstract

This study aims to analyze the antioxidant activity and the nutritional profile of the freshly tapped palmyra sap. Samples were collected in pre-sterile sample collection bottles from different parts of Jaffna peninsula and immediately transferred into an ice box. Pooled samples were centrifuged (1000rpm, 5 minutes) and the supernatant is stored at the refrigerator (4℃) for nutritional, and antioxidant analysis. The results exhibit that fresh sap consists of Na (15.3±0.14 mg/100g) and K (22.6±0.12 mg/100g), while the total ash content was 0.62±0.45 (g/100g). The total sugar content of the sap was 16.43±0.07(g/100g) and the reducing sugar and non-reducing sugar content were 2.16±0.32 (g/100g), 14.27±0.04 (g/100g) respectively. Sap exhibited a relatively low amount of fat 0.02±0.01 (mg/100g). DPPH scavenging activity with regard to IC 50 value was 1.36±0.35 mg/mL, and the total phenolic content and ascorbic acid content were recorded as 186±12.27(mg GAE/100g), 12.16±0.31 (mg/100g) respectively. It can be concluded that the fresh sap of palmyra is a good source of antioxidant properties and nutritional value.

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鲜采巴尔米拉(Borassus flabellifer)树液的抗氧化活性和营养特性

本研究旨在分析新鲜提取的棕榈树汁液的抗氧化活性和营养成分。样品收集于贾夫纳半岛不同地区的预无菌样品收集瓶中，并立即转移到冰箱中。将混合后的样品离心(1000rpm, 5分钟)，上清液保存在冰箱(4℃)，用于营养和抗氧化分析。结果表明:鲜液中Na含量为15.3±0.14 mg/100g, K含量为22.6±0.12 mg/100g，总灰分含量为0.62±0.45 (g/100g)。树液总糖含量为16.43±0.07(g/100g)，还原糖和非还原糖含量分别为2.16±0.32 (g/100g)、14.27±0.04 (g/100g)。汁液中脂肪含量相对较低，为0.02±0.01 (mg/100g)。DPPH对IC 50值的清除活性为1.36±0.35 mg/mL，总酚含量为186±12.27(mg GAE/100g)，总抗坏血酸含量为12.16±0.31 (mg/100g)。由此可见，棕榈新鲜汁液具有良好的抗氧化性能和营养价值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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