亚临界丁烷萃取富集植物甾醇的油茶籽油：理化性质和氧化稳定性

IF 9.8 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry Pub Date : 2025-01-06 DOI:10.1016/j.foodchem.2025.142791

Tao Yang , Rui He , Qiuyu Xia , Ilaria Cacciotti , Sameh A. Korma , Weimin Zhang , Guohui Yi

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引用次数: 0

摘要

茶（Camellia oleifera Abel）籽油（TSO）具有抗氧化和药理作用。本研究采用亚临界正丁烷萃取法（SBE）从茶叶种子中提取TSO，这是一种环保的方法。比较了超临界二氧化碳萃取法（SCDE）和常规冷压法（CP）得到的油的产油率、品质特征和化学成分。SBE的TSO产率（51.35 %）与SCDE（50.30 %）相当，但高于CP（31.82 %）。SBE TSO的氧化稳定性优于SCDE，毒性醛含量（0.41 mg/L）低于SCDE（0.71 mg/L）和CP（2.67 mg/L）。此外，SBE TSO具有较高的生育酚（26.20 mg/100 g）和植物甾醇（842.25 mg/100 g）含量。基于这些发现，SBE是一种很有希望获得富含生育酚和植物甾醇的高质量TSO的方法。

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Phytosterol-enriched Camellia oleifera Abel seed oil obtained by subcritical butane extraction: Physicochemical properties and oxidative stability

Tea (Camellia oleifera Abel) seed oil (TSO) has antioxidant and pharmacological properties. In this study, TSO was obtained from tea seeds by subcritical n-butane extraction (SBE), which is an environmentally friendly method. The oil yield, quality characteristics, and chemical composition of the extracted TSO were compared with those of oils obtained by supercritical carbon dioxide extraction (SCDE) and conventional cold pressing (CP). The TSO yield from SBE (51.35 %) was similar to that from SCDE (50.30 %), but higher than that from CP (31.82 %). TSO from SBE had better oxidative stability than that from SCDE and a lower toxic aldehyde content (0.41 mg/L) than that from SCDE (0.71 mg/L) and CP (2.67 mg/L). Moreover, TSO from SBE had relatively high tocopherols (26.20 mg/100 g) and phytosterols (842.25 mg/100 g) contents. Based on these findings, SBE is a promising method for obtaining high-quality TSO enriched with tocopherols and phytosterols.

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来源期刊

Food Chemistry 工程技术-食品科技

CiteScore

16.30

自引率

10.20%

发文量

3130

审稿时长

122 days

期刊介绍： Food Chemistry publishes original research papers dealing with the advancement of the chemistry and biochemistry of foods or the analytical methods/ approach used. All papers should focus on the novelty of the research carried out.