Lactobacillus acidophilus- An Overview

Lactobacillus acidophilus

What is Lactobacillus acidophilus? Lactobacillus is a taxonomically diverse group of Gram-positive, non-sporing rods that are defined by the formation of lactic acid as the sole end product of carbohydrate metabolism. Lactobacillus acidophilus is one of the most important species of Lactobacillus which has been extensively used to produce probiotics with numerous health benefits. L. acidophilus is a part of …

Read more

Biochemical Test of Lactobacillus spp.

Biochemical Test of Lactobacillus spp

Image Source: Creative Market and India Mart. Some of the characteristics are as follows: Basic Characteristics Properties (Lactobacillus spp.) Capsule Negative (-ve) Catalase Negative (-ve) Citrate Negative (-ve) Flagella If present, peritrichous Gas Negative (-ve) Gelatin Hydrolysis Negative (-ve) Gram Staining Gram positive H2S Negative (-ve) Indole Negative (-ve) Motility Mostly Negative (-ve) MR (Methyl Red) Negative (-ve) Nitrate Reduction …

Read more

MRS Broth Test- Principle, Procedure and Results

Result Interpretation of MRS Broth Test

Objectives of MRS Broth Test It is used for the cultivation and enumeration of lactobacilli in a laboratory setting To determine the ability of organism to form gas during glucose fermentation Principle of MRS Broth Test MRS Broth is an improved medium for lactobacilli, it supports good growth and is particularly useful for a number of fastidious strains which grow poorly on other …

Read more