Evaluation of antibacterial and antioxidant activities of methanolic extracts of some plants used in folk medicine in Saudi Arabia

العناوين الأخرى

تقييم الخصائص المضادة للبكتيريا و المضادة للأكسدة للمستخلصات الميثانولية لبعض النباتات المستخدمة في الطب الشعبي في المملكة العربية السعودية

مقدم أطروحة جامعية

al-Shahri, Mishrif Salih Abd Allah

مشرف أطروحة جامعية

al-Tarawinah, Khalid Ahmad

أعضاء اللجنة

al-Mustafa, Ahmad Husayn Husayn
al-Nuaymat, Sulayman
al-Quran, Salih

الجامعة

جامعة مؤتة

الكلية

كلية العلوم

القسم الأكاديمي

قسم الأحياء

دولة الجامعة

الأردن

الدرجة العلمية

ماجستير

تاريخ الدرجة العلمية

2017

الملخص الإنجليزي

The aim of this study was to assess the antibacterial and antioxidant activities of methanolic extracts obtained from Cinnamomum cassia, Hibiscus sabdariffa, Salvia officinalis and Senna alexandrina.

Both disc diffusion and broth serial dilution methods were used to assess the antibacterial activity of these extracts against several bacterial strains (S.

aureus, M.

luteus, K.

oxytoca and E.

coli).

Antioxidant activity of these extracts was measured in vitro by DPPH and FRAP methods and expressed as trolox equivalents.

All extracts exhibited antibacterial activity in dose-dependent manner against the tested bacteria.

MICs were found between 0.75 to 3mg /mL for all plant extracts against the tested bacteria.

E.

coli growth was inhibited only by C.

cassia and H.

sabdariffa extracts.

C.

cassia extract showed the highest amount of phenolic compounds (45.2 mg GA/g plant extract) compared to the other plants.

Moreover, C.

cassia extract exhibited the best DPPH scavenging capacity and the best ferric reducing antioxidant power (88.97 and 5.36 mg Trolox/g plant extract, respectively).

In conclusion, both C.

cassia and H.

sabdariffa exhibited a potential antibacterial activities against the tested strains , while C.

cassia and S.

officinalis were the plants that showed the greatest antioxidant activity

التخصصات الرئيسية

الأحياء

الموضوعات

عدد الصفحات

38

قائمة المحتويات

Table of contents.

Abstract.

Abstract in Arabic.

Chapter One : Theoretical background.

Chapter Two : Literature review.

Chapter Three : Design and methodology.

Chapter Four : Results, discussion and recommendation.

References.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

al-Shahri, Mishrif Salih Abd Allah. (2017). Evaluation of antibacterial and antioxidant activities of methanolic extracts of some plants used in folk medicine in Saudi Arabia. (Master's theses Theses and Dissertations Master). Mutah University, Jordan
https://search.emarefa.net/detail/BIM-749146

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

al-Shahri, Mishrif Salih Abd Allah. Evaluation of antibacterial and antioxidant activities of methanolic extracts of some plants used in folk medicine in Saudi Arabia. (Master's theses Theses and Dissertations Master). Mutah University. (2017).
https://search.emarefa.net/detail/BIM-749146

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

al-Shahri, Mishrif Salih Abd Allah. (2017). Evaluation of antibacterial and antioxidant activities of methanolic extracts of some plants used in folk medicine in Saudi Arabia. (Master's theses Theses and Dissertations Master). Mutah University, Jordan
https://search.emarefa.net/detail/BIM-749146

لغة النص

الإنجليزية

نوع البيانات

رسائل جامعية

رقم السجل

BIM-749146