在代谢不健康的正常体重实验模型中,食用冷压提取奇异籽油的副产品可改善心血管风险因素。

IF 3.1 2区 农林科学 Q2 CHEMISTRY, APPLIED Plant Foods for Human Nutrition Pub Date : 2024-06-01 Epub Date: 2024-05-22 DOI:10.1007/s11130-024-01193-8
Gabriela Alarcón, Agostina Valoy, Florencia Martin Alzogaray, Analía Medina, Carina Van Nieuwenhove, Mirta Medina, Susana Jerez
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引用次数: 0

摘要

用冷压榨法(又称榨油机)榨取西班牙鼠尾草(奇亚)籽油的副产品具有很高的营养价值。它富含蛋白质、纤维和矿物质,残油含量为 7-11%,富含欧米伽 3 亚麻酸 (ALA)。然而,这种副产品的价值历来被低估。因此,当前工作的目的是研究食用富含奇异籽籽油的饮食对代谢不健康的正常体重兔子模型的影响,以验证其作为功能性食品的用途。对兔子进行为期 6 周的不同饮食喂养:标准饮食(CD)、高脂饮食(HFD)、富含奇异果的 CD(Exp-CD)和富含奇异果的 HFD(Exp-HFD)。Exp-HFD 可减轻高脂饮食引起的基础血糖、TyG 指数、甘油三酯、胆固醇和非高密度脂蛋白胆固醇的升高。与各自的对照组相比,两种富含胰岛素的膳食都能降低平均动脉血压(MAP),提高肝脏和脂肪中的ALA水平。此外,与各自的对照组相比,食用富含雌激素日粮的动物肺部血管紧张素转换酶(ACE)活性较低。体外研究表明,ALA 能抑制 ACE 的活性。对血管反应性的评估显示,富含膳食纤维的膳食改善了血管紧张素 II 的亲和力,降低了对去甲肾上腺素的收缩反应。总之,食用富含叶黄素的膳食对预防心血管风险因素(如胰岛素抵抗、血脂异常和 MAP)有好处。因此,将其用作功能性配料大有可为。
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Consumption of a Byproduct of Chia Seed Oil Extraction by Cold Pressing Ameliorates Cardiovascular Risks Factors in an Experimental Model of Metabolically Unhealthy Normal Weight.

The byproduct of Salvia hispanica (chia) seed oil extraction by cold pressing, also known as expeller, possesses a high nutritional value. It is rich in proteins, fibers, minerals, and has a residual oil content of 7-11%, which is rich in omega 3 linolenic acid (ALA). However, this byproduct has been historically undervalued. Thus, the aim of current work was to study the effects of consuming of a rich in chia expeller diet on a rabbit model of metabolically unhealthy normal weight to validate their use as a functional food. Rabbits were fed different diets for a period of 6 weeks: a standard diet (CD), a high-fat diet (HFD), a rich in expeller CD (Exp-CD) and a rich in expeller HFD (Exp-HFD). The Exp-HFD attenuated the rise in basal glucose, TyG index, triglycerides, cholesterol and non-HDL cholesterol induced by the HFD. Both rich in expeller diets reduced mean arterial blood pressure (MAP) and increase liver and fat ALA levels compared to their respective controls. Furthermore, the angiotensin converting enzyme (ACE) activity was lower in the lungs of animals fed on rich in expeller diets compared to their respective controls. In vitro studies showed that ALA inhibited ACE activity. The evaluation of vascular reactivity revealed that rich in expeller diets improved angiotensin II affinity and reduced contractile response to noradrenaline. In conclusion, the consumption of rich in expeller diets showed beneficial effects in preventing cardiovascular risk factors such as insulin resistance, dyslipidemia and MAP. Therefore, its use as functional ingredient holds significant promise.

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来源期刊
Plant Foods for Human Nutrition
Plant Foods for Human Nutrition 工程技术-食品科技
CiteScore
6.80
自引率
7.50%
发文量
89
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
期刊最新文献
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