Design of Aerated Oleogel-Hydrogel Mixtures for 3D Printing of Personalized Cannabis Edibles.

IF 5 3区 化学 Q1 POLYMER SCIENCE Gels Pub Date : 2024-10-13 DOI:10.3390/gels10100654
Eleftherios G Andriotis, Adamantini Paraskevopoulou, Dimitrios G Fatouros, Hui Zhang, Christos Ritzoulis
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Abstract

Cannabis seed oil oleogel structured with Glycerol Monostearate (20% w/w) was mixed with xanthan gum hydrogel (2% w/w) at different ratios ranging from 0% w/w hydrogel to 75% w/w hydrogel, using a syringe-to-syringe apparatus, for the preparation of 3D-printable food inks. This process enabled the simultaneous blend of oleogel and hydrogel phases and the incorporation of air in a reproducible and accurate manner. The printability of bigel inks with different mass ratios was evaluated by using a conventional benchtop food 3D printer. The printability of the inks was found to be negatively affected by the presence of higher portions of the hydrogel phase, while the printing performance of pure cannabis seed oil oleogel was superior compared to the printing performance of the bigel inks. The physicochemical properties of hybrid gels were investigated with rheological studies, thermophysical studies (Differential Scanning Calorimetry), Polarized Light Microscopy, and Confocal Laser Scanning Microscopy. The microstructure of the aerated inks was affected by the presence of a higher oleogel fraction, in terms of air bubble shape and distribution. The addition of hydrogel at concentrations higher than 50% w/w had a strong negative effect on the mechanical properties of the inks leading to a partial collapse of the printed structures and subsequently to poor printing performance.

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设计充气油凝胶-水凝胶混合物,用于三维打印个性化大麻食品。
使用注射器对注射器装置,将单硬脂酸甘油酯(20% w/w)结构的大麻籽油凝胶与黄原胶水凝胶(2% w/w)以从 0% w/w 水凝胶到 75% w/w 水凝胶的不同比例混合,用于制备可三维打印的食品油墨。该工艺可同时混合油凝胶相和水凝胶相,并以可重复和准确的方式加入空气。通过使用传统的台式食品 3D 打印机,对不同质量比的 bigel 油墨的可打印性进行了评估。结果发现,水凝胶相的比例越高,油墨的打印性能越差,而纯大麻籽油油凝胶的打印性能则优于 bigel 油墨。通过流变学研究、热物理研究(差示扫描量热仪)、偏振光显微镜和共聚焦激光扫描显微镜研究了混合凝胶的理化性质。从气泡的形状和分布来看,充气油墨的微观结构受到了较高油凝胶成分的影响。水凝胶的添加浓度高于 50%(重量比)时,会对油墨的机械性能产生强烈的负面影响,导致印刷结构部分坍塌,进而导致印刷性能低下。
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来源期刊
Gels
Gels POLYMER SCIENCE-
CiteScore
4.70
自引率
19.60%
发文量
707
审稿时长
11 weeks
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