Journal of Nutrition & Food Sciences
Open Access

Evaluation of inhibitory activities of two medicinal plant extracts against spoilage microorganisms isolated from mulberry fruit

4^th International Conference on Food Microbiology and Food Market

March 20-21, 2019 | New York, USA

Richard Ansah Herman

Jiangsu University of Science and Technology, China

Posters & Accepted Abstracts: J Nutr Food Sci

Abstract :

Advance in the bacterial control using a natural control like medicinal plants against plant infections were investigated. Two medicinal plants African Locust Bean (Parkia biglobosa) and Lonicera japonica, which are traditionally used in West Africa and China for the treatment of wide range of diseases were investigated on their antibacterial activity using aqueous and ethanol extracts against four spoilage microorganisms isolated from mulberry fruit. The isolated microorganisms were identified as Bacillus subtilis, Cronobacter dublinensis, Pantoea agglomerans, and Bacillus spp. The disc diffusion method was employed for the antibacterial activity of the plant extracts. The results showed that the aqueous extract of the P. biglobosa was potent against the microbial isolates with average inhibitory zones against B. subtilis, P. agglomerans, C. dublinensis and Bacillus spp. recorded as (Means±SD) of 19.5±3.54mm, 16.5±0.71mm, 16.5±0.71mm, and 15.0±1.41mm respectively. As well as 15.5±2.83mm, 15.0±0.71mm, 12.5±0.71mm, and 6.5±2.12mm for B. subtilis, Bacillus spp., P. agglomerans and C. dublinensis for L. japonica at concentrations of 400mg/mL. The ethanol extracts displayed no inhibitory effects. The presence of the secondary metabolites in these two plants might be responsible for their antibacterial properties. The results and findings obtained in the present study support the potential application of these two plants in mulberry fruits preservation as well as in traditional therapeutics.

Biography :

E-mail: hermanansah44@yahoo.com