Modelling on Extractions and Micro Nano Encapsulation of Pistacia terebintus Cambium Layer Gum Essential Oil; Antioxidant Activity and Structural Approach Via XRD, SEM and TGA/DSC.

IF 3.1 2区农林科学 Q2 CHEMISTRY, APPLIED

Plant Foods for Human Nutrition Pub Date : 2025-02-08 DOI:10.1007/s11130-024-01274-8

Eyyup Karaogul, Abdulhalik Ugurtay, Stephen S Kelley, M Hakki Alma

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Abstract

This study explored the extraction and microencapsulation of essential oil from Pistacia terebinthus cambium layer gum (PTG-EO) using response surface methodology (RSM) to optimize extraction efficiency. Significant factors such as extraction method, time, and power were optimized for conventional extraction (CE) and microwave-assisted extraction (MAE), yielding 24.48 and 21.97% essential oil, respectively. Encapsulation efficiency was influenced by temperature, water activity, and oil/wall ratio. The chemical profile of PTG-EO revealed α-pinene as the main component (80.65%). Antioxidant activity, assessed using DPPH and ABTS, showed that freeze-dried nanoencapsulated powder (NcP-Fr) exhibited superior radical scavenging activity compared to spray-dried micro-encapsulated powders (McP-Sp). SEM analysis revealed microspherical encapsulation with sizes around 33.52 μm. Thermal degradation studies showed that the essential oil release from the wall material started at approximately 200 °C, with 10.06% of the oil being released by this temperature. X-ray diffraction analysis revealed the crystallinity/amorphous ratio (14.4/85.56%) and confirmed the stable, homogeneous encapsulation structure, supporting the strong antioxidant performance of NcP-Fr.

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来源期刊

Plant Foods for Human Nutrition 工程技术-食品科技

CiteScore

6.80

自引率

7.50%

发文量

审稿时长

12-24 weeks

期刊介绍： Plant Foods for Human Nutrition (previously Qualitas Plantarum) is an international journal that publishes reports of original research and critical reviews concerned with the improvement and evaluation of the nutritional quality of plant foods for humans, as they are influenced by: - Biotechnology (all fields, including molecular biology and genetic engineering) - Food science and technology - Functional, nutraceutical or pharma foods - Other nutrients and non-nutrients inherent in plant foods