Comparative evaluation of extraction methods for fragrant semen Trichosanthis oil: Cold pressing, conventional solvent, subcritical n-butane and supercritical CO2

IF 6.5 1区农林科学 Q1 CHEMISTRY, APPLIED

Food Chemistry: X Pub Date : 2025-06-16 DOI:10.1016/j.fochx.2025.102670

Ling-Biao Gu , Qiao-Ying Song , Lin Wang , Xue-Xia Liu , Wen-Jie Liao , Rong Gu , Hua-Min Liu , Ya-Ting Zhang , Kun-Peng Zhang , Tian-Xuan Hao

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Abstract

The physicochemical properties, chemical compositions, antioxidant activities, and volatile profiles of fragrant Semen Trichosanthis oil (FSTO) extracted by cold pressing (CP), solvent extraction (SE), subcritical n-butane extraction (SBE), and supercritical CO₂ extraction (SPE) were systematically investigated. Unsaturated fatty acids predominated in the oils (89.57–92.73 %), primarily trichosanic acid, linoleic acid, and oleic acid, with SBE oil containing the highest proportion (92.73 %). CP oil showed the highest phytosterol content (434.72 mg/100 g) and total flavonoid content, alongside the strongest antioxidant activity. In contrast, SBE oil had the greatest total phenolic content (62.08 μg GAE/g) and oxidative stability (1.24 h). All oils exhibited Newtonian flow behavior, with SBE and SPE oils exhibiting the lowest activation energy. A total of 108 volatile organic compounds were identified by gas chromatography-ion mobility spectrometry, with SBE and SPE oils displaying more complex and abundant profiles, while CP oil better retained natural aroma compounds. These results demonstrate that extraction method significantly influences the composition, functionality, and volatile profile of FSTOs. SBE achieved a favorable balance between oil yield, quality, and sustainability.

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冷压法、常规溶剂法、亚临界正丁烷法和超临界CO2法提取天花油的比较评价

对冷压萃取（CP）、溶剂萃取（SE）、亚临界正丁烷萃取（SBE）和超临界CO2萃取（SPE）四种方法提取的天花油（FSTO）的理化性质、化学成分、抗氧化活性和挥发性进行了系统的研究。油脂中以不饱和脂肪酸为主（89.57 ~ 92.73%），主要为三羧酸、亚油酸和油酸，其中SBE油所含比例最高（92.73%）。CP油的甾醇含量最高，为434.72 mg/100 g，总黄酮含量最高，抗氧化活性最强。SBE油总酚含量最高（62.08 μg /g），氧化稳定性最高（1.24 h）。所有油均表现出牛顿流体行为，SBE和SPE油的活化能最低。通过气相色谱离子迁移谱法鉴定出108种挥发性有机化合物，其中SBE油和SPE油的挥发性有机化合物分布更为复杂和丰富，而CP油更能保留天然芳香化合物。这些结果表明，提取方法对FSTOs的组成、功能和挥发性有显著影响。SBE在石油产量、质量和可持续性之间取得了良好的平衡。

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来源期刊

Food Chemistry: X CHEMISTRY, APPLIED-

CiteScore

4.90

自引率

6.60%

发文量

315

审稿时长

55 days

期刊介绍： Food Chemistry: X, one of three Open Access companion journals to Food Chemistry, follows the same aims, scope, and peer-review process. It focuses on papers advancing food and biochemistry or analytical methods, prioritizing research novelty. Manuscript evaluation considers novelty, scientific rigor, field advancement, and reader interest. Excluded are studies on food molecular sciences or disease cure/prevention. Topics include food component chemistry, bioactives, processing effects, additives, contaminants, and analytical methods. The journal welcome Analytical Papers addressing food microbiology, sensory aspects, and more, emphasizing new methods with robust validation and applicability to diverse foods or regions.