石榴皮:作为抗微生物和细胞毒剂的生物活性
Lubna F Abu-Niaaj1, Hala I Al-Daghistani2, Ibrahim Katampe1
1Department of Agricultural and Life Sciences, John W. Garland College of Engineering, Science, Technology, and Agriculture Central State University Wilberforce Ohio USA.
Food science & nutrition
|April 17, 2024
概括
石榴皮提取物 (PPEs) 显示出强大的抗菌和抗增殖作用,与抗生素相当. 水性提取物表现出显著的抗微生物活性,特别是针对李斯特菌,以及针对特定癌症细胞系的显著细胞毒性.
科学领域:
- 食品科学 食品科学 食品科学
- 自然产品化学 自然产品化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 石榴皮是一种丰富的生物活性化合物的来源.
- 对天然抗微生物药物和食品添加剂的需求日益增加.
- 传统的合成添加剂面临着越来越严格的审查.
研究的目的:
- 评估六种石榴皮提取物 (PPEs) 的抗菌和抗增殖潜力.
- 评估PPE的抗氧化能力.
- 为了确定溶剂系统对提取物的疗效的影响.
主要方法:
- 使用四种溶剂系统制备了六种PPE.
- 使用扩散方法对食源性病原体进行了抗菌活性评估.
- 用MTT测定对癌细胞系 (HCT116,PC3,SKOV-3) 和纤维细胞 (MRC-5) 的细胞毒性进行了评估.
- 使用DPPH测定法测量了抗氧化活性.
主要成果:
- 所有六种PPE都表现出与标准抗生素相当的抗菌活性,其有效性因细菌菌株而异.
- 水性提取物,特别是在室温下,显示出对李斯特菌的显著抑制.
- 水性 (RT) 和甲醇PPE显示出显著的抗氧化能力和对PC3细胞的强大的细胞毒性 (IC50 = 0.1μg/mL).
- 煮熟的水性提取物显示出对HCT116细胞的抗增殖活性 (IC50=21.45μg/mL).
- 抗氧化剂活性通常与溶剂极性有反向相关性,但醇除外.
结论:
- 石榴皮是一种有希望的,环保的天然化合物来源,具有显著的抗菌和抗增殖特性.
- 基于水的PPE是有效的天然抗微生物药物,可能在食品工业中使用.
- 个人防护剂可以作为天然食品添加剂,用于打击食源性疾病并提高食品的保存.
相关概念视频
Hand hygiene
3.2K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
Hand washing...
3.2K
Antimicrobial Proteins
984
Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
984
Surface Membrane Barriers
1.1K
The skin and mucous membranes serve as the primary line of defense against pathogens by providing both physical and chemical protection. These barriers are essential in preventing the entry and establishment of microbes, thereby maintaining the integrity of the host.
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
The outer layer of the skin, the epidermis, is a robust barrier comprising layers of closely packed keratinized cells. This dense arrangement prevents microbes from penetrating the body. The periodic shedding of epidermal cells...
1.1K
Introduction to Plant Diversity
44.6K
From Water to Land
44.6K


