Research Papers/Topics in Natural Products Technology

Quantification of phenolics, flavanoids and antioxidant activity of tamarindus indica l. From selected areas in tanzania

ABSTRACT The purpose of this study was to establish the quantities and antioxidant activity in fruits and leaves of Tamarindus indica L. collected from three agro-ecological zones of Tanzania represented by Morogoro, Tanga and Dodoma regions. Samples were studied for their total phenolic and flavonoid contents as well as their antioxidant activity. The total phenolic content in all extracts of the fruits and leaves were significantly different (p

Evaluation Of Antimicrobial Activity And Safety Of Syrup Prepared From Ambu Roots

ABSTRACT Some rural communities in Tanzania use decoctions from different parts of AMBU for treatments of various health conditions. However, few studies have been conducted to ascertain their quality, efficacy and safety. This study aimed at establishing baseline information on the quality, efficacy and toxicity of syrup prepared from AMBU roots. Decoction was prepared and some of the aliquots were freeze dried into powder then dissolved in sucrose vehicle to make the final syrup. ...

Assessment Of Insecticidal Effectiveness Of Selected Crude Plant Extracts On The Tomato Leaf Miner, Tuta Absoluta (Meyrick) (Lepidoptera: Gelechiidae)

ABSTRACT Effects of Commiphora swynnertonii, Synadenium glaucescens and Allium sativum ethanolic extracts on the tomato leaf miner, Tuta absoluta Meyrick were evaluated under laboratory and screen house conditions. The threes life stages (eggs, second instar larvae and adults) of the tomato leaf miner were involved in the experiment. All the life stages of tomato leaf miner were treated topically with the plants extracts at (2%, 4% and 8%). The mean percentage mortality of eggs, second ...

Evaluation Of Antifungal Activity And Wound Healing Potential Of Herbal Cream From Ambu Leave Extracts

ABSTRACT This study was conducted to evaluate the antifungal activity and wound healing potential of a cream from AMBU leave extracts. In this study AMBU leaf ethanol and aqueous extract were used in the formulation of cream. The antifungal activity was determined by broth microdilution method. Wound healing potential was assessed using mice which were divided randomly into seven groups (n=7) and inflicted with wound. Group 1 received no treatment while groups 2, 3, 4, 5, 6 and 7 were g...

Antimicrobial Activity Of Indigenous Plants Used By Pastoral Communities For Milk Preservation In Kilosa District, Tanzania

ABSTRACT Milk is an important part of the diet among pastoral communities in Kilosa district, Tanzania. Its production and consumption derives much food security and economic benefits to the rural people in the district. However, Milk has a complex biochemical composition and its high-water activity and nutritional value serves as an excellent medium for growth and multiplication of many kinds of microorganisms. This shortens the shelf-life of milk. In the framework of research to impro...