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  Vitamine vs Vitamin History   1910- Japanese scientist Umetaro Suzuki discovered a new nutrients(Vitamin B1) and named it Aberic acid 1912- nutrient(Vitamin B1) was rediscovered by Casimir Funk(Polish Biochemist). He coined the term Vitamine for discovered nutrient.  Coined Vitamine= Vital + Amine (having nitrogen atom)  Frederick Gowland Hopkins  later made experiment Protein+ Carbohydrate+ Fat+ Salt → No growth in Rat Protein+ Carbohydrate+ Fat+ Salt+ Milk → Growth in Rat He suggested- there are some accessory factors (Vitamine) in milk that are resulting in growth of Rat. And this accessory factors is not regular Amines.  1920- Jack Cecil Drummond proposed that not all vitamines have an amine component. So he asked to change the name from Vitamine to Vitamin.  Vitamine→Vitamin 1929- Frederick Gowland Hopkins got noble prize for discovery of Vitamin.  Facts (Name, Function, Associate Disease) Vitamin plays many important role in human body. The most important one is metabolism.

Lecture 4 Types of Vaccine Whenever an Antigen(Foreign agent- bacteria, virus, fungi, etc.) attacks our body, Antibody Fought war against the Antigen.   In other words- Antibody is the army of our body. And the job of the vaccine is to train antibodies about the weakness of foreign invaders(Antigen). Vaccines did not fight with foreign invaders, they just trained our antibodies to fight against antigen. Vaccines play the role of a trainer. In corona time you may encounter different terms like- mRNA vaccine, Conjugated vaccine, inactive vaccine etc. In this post we will clarify all types of vaccines. There are two types of vaccine based on targeted action point- 1. Antigen vaccine- The vaccine trains our antibody to fight against antigen 2. Toxoid vaccine-   The vaccine trains our antibodies to fight against the weapon of antigen. The main target of the antibody was not the antigen but the toxin product released by antigen. Toxoid vaccine- Tetanus vaccine(caused by bacteria), Diphtheri