A study on presence of parasites in commonly used raw herbal greens

Abstract

Introduction: Helminthic infectivity of fresh green leafy vegetables still remains the most common public health problem. Consumption of raw and unwashed vegetables is an important means of transmission of several infectious diseases. Aim: The present study aimed to evaluate the presence of helminthic larvae in raw herbal greens retailed at chennai markets. Materials and Methods: A total of 3 different types of raw herbal greens: roots and leaves of coriander, mint and spinach were collected and tested for parasitic larvae by saline wet mount preparation. Results: Strongyloides larvae were detected in 3 types of raw herbal greens: roots and leaves of coriander, mint and spinach among which coriander roots and leaves showed greater load of nematode larvae than mint and spinach. Commonly these leafy greens are consumed raw, therefore appropriate washing and proper cooking of all vegetables is very important. Conclusion: This study highlights the necessity of appropriate washing and cooking of green leafy vegetables before they are consumed.