Characterisation and in vivo evaluation of Araucaria angustifolia pinhão seed coat nanosuspension as a functional food source,Food & Function

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Characterisation and in vivo evaluation of Araucaria angustifolia pinhão seed coat nanosuspension as a functional food source
Food & Function ( IF 5.1 ) Pub Date : 2020-10-08 , DOI: 10.1039/d0fo02256j
Gabriel Goetten de Lima _{1,

2,

3,

4,

5} , Neli Branco de Miranda _{4,

6,

7} , Thaynã Gonçalves Timm _{4,

6,

7} , Mailson Matos _{1,

2,

3,

4} , Tielidy Angelina Moraes de Lima _{5,

8,

9,

10} , Washington Luiz Esteves Magalhães _{1,

2,

3,

4,

11} , Lorena Benathar Ballod Tavares _{4,

6,

7} , Fabrício Augusto Hansel _{4,

11,

12} , Cristiane Vieira Helm _{4,

11,

12}

Affiliation

Araucaria angustifolia seeds from South America are culturally important; however, the seed coat is generally discarded and it has yet to find a beneficial commercial impact. Herein, we propose a new formulation for the use of the seed coat for the production of a food source. A nanosuspension was developed under two conditions, bleached and unbleached treatment. Initial characterisation of the seed coat, as well as the nanosuspension, was conducted, in which nanofibrils with antioxidant activity and high values of phenol and sterol classes with health-promoting ability were detected by GC-MS; however, after bleaching, the compounds were removed. The nanosuspension induced a decrease in cholesterol, triglycerides, glucose levels and weight gain when added to the daily rat diet. No significant differences were determined when bleach treatment was used, suggesting that dietary fibre plays a more significant role. Histology analysis and biochemical markers reported no toxicity from the rat ingestion of the nanoformulation.

中文翻译：

南洋杉作为功能性食品来源的特性及其体内评价

南洋杉来自南美的种子具有重要的文化意义；然而，种皮通常被丢弃，并且尚未发现有益的商业影响。在此，我们提出了一种新的配方，用于将种皮用于生产食物。在漂白和未漂白的两种条件下开发了纳米悬浮液。进行了种皮以及纳米悬浮液的初步表征，其中通过GC-MS检测了具有抗氧化活性和高值酚类和固醇类具有促进健康能力的纳米原纤维；但是，漂白后，化合物被去除。当添加到日常大鼠饮食中时，纳米悬浮液可降低胆固醇，甘油三酸酯，葡萄糖水平和体重增加。使用漂白剂处理时，没有发现明显差异，表明膳食纤维起着更重要的作用。组织学分析和生化标志物表明大鼠摄入纳米制剂没有毒性。

更新日期：2020-11-03

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