Silva announced his farewell on Monday in an emotional video message on Chelsea's website
The study, led by Dr Roger Hurst and published in the journal Molecular Nutrition and Food Research, found that the compound works together with the body's own natural defence mechanism to suppress long-term lung inflammation.
The research, shows that natural chemicals found in the fruit may help breathing in some types of asthma.
They also found that a compound in blackcurrants, epigallocatechin, may reduce lung inflammation in allergy-induced asthma.
Blackcurrant's also contain another inflammation-reducing group of compounds, known as anthocyanins, reports telegraph.co.uk.
They are known for their antioxidant properties and have been shown by Hurst's research group to also complement the body's own natural immune responses.
Silva announced his farewell on Monday in an emotional video message on Chelsea's website
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