巴西果的热冷注入:生物活性潜力和储存稳定性
Patrícia Berilli1, Giovanna Lourenço Graziani1, Nathália Medina1
1Universidade Estadual de Campinas (UNICAMP), Faculdade de Engenharia de Alimentos, Campinas, São Paulo, Brazil.
Natural product research
|March 28, 2025
概括
巴西紫红色水果的热提取,如grumixama,cereja-do-Rio-Grande和araçaúna,产生了卓越的抗氧化剂和素化合物. 这些水果注显示出作为功能性食物的潜力,尽管在储存过程中,安东素会迅速降解.
科学领域:
- 食品科学 食品科学 食品科学
- 营养生物化学 营养生物化学
- 植物化学 植物化学
背景情况:
- 巴西本土的紫红色水果,包括格鲁米克萨马 (Eugenia brasiliensis),cereja-do-Rio-Grande (Eugenia involucrata) 和阿拉索纳 (Psidium myrtoides),以其丰富的抗氧化剂特征而闻名.
- 这些水果是具有健康益处的生物活性化合物的潜在来源,需要研究最佳提取方法.
研究的目的:
- 研究不同水性提取温度和时间对巴西紫红色水果的植物化学成分和抗氧化能力的影响.
- 为了确定主要的安东素,并评估这些化合物的稳定性在水果灌注储存期间.
主要方法:
- 在两种条件下对grumixama,cereja-do-Rio-Grande和araçaúna进行了水性提取:在22°C下120分钟,在90°C下7分钟.
- 评估的参数包括颜色,pH值,总含量 (TPC),单体安托含量 (MAC),通过二极管阵列检测 (HPLC-DAD) 高性能液体染色学 (HPLC-DAD) 的安托配置,以及使用氧基吸收能力 (ORAC) 和ABTS测定的抗氧化能力.
- 在4°C保存48小时后,评估了安托西亚宁的稳定性.
主要成果:
- 热提取 (90°C/7分钟) 与冷提取 (22°C/120分钟) 相比,更有效地提取和酸盐化合物.
- 阿拉索纳表现出最高的TPC和ABTS激素清除活动,格鲁米克萨马显示出最高的MAC,而Cereja-do-Rio-Grande显示出最大的ORAC值.
- 鉴定出氨基-3-葡萄糖化和氨基-3-葡萄糖化是占主导地位的氨酸. 在储存过程中观察到大量的安东 (40.8%),而TPC的损失是最小的 (7.4%).
结论:
- 热水提取是一种优越的方法,可以最大限度地从这些巴西紫红色水果中恢复生物活性化合物.
- 果汁具有显著的抗氧化特性,可以被视为潜在的功能性食品.
- 反氨酸对降解的高度敏感性需要进一步研究稳定技术,以便在储存期间保持其含量和功能.
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