When turning a bottle, we always see on the back label "contains sulfites", well the natural sulfites quantity in the wine is about 10mg/ltr.
But the producers use the sulfites in the grapes to avoid the fungus, after the fermentation process as a hygienic solution, during the claryfing process and before the bottling.
There are some producers that are trying to make only a natural wine, but it is too difficult, because the sulfites work as an anti-oxidant and wine preservative, so the wine will be very fragile and with an awful presentation without it, this is still for personal comsuption.
Per liter in a bottle of red wine we have 160mg/ltr; for white wine 260mg/ltr; untill 300mg/ltr for fortified wines like Moscatel and 400mg/ltr for a Late harvest.
According to World Healthcare Organization, it is particulary dangerous for a person with asthma.
The maximum daily quantity of sulfites is 0,7mg/ per kilo of body weight per day...ex. for a person with 70 kilos the maximum value (daily) 49mg/ltr.
In a bottle of Port there is an average of 60/70mg/ltr, (and speaking about bottles with 75cl content) so that lead us to about 45mg/ltr in a bottle of Port and saying it briefly.
In short drinking Port is the best choise...always with moderation.
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| One of many great experiences at C. da Silva Port & Wine shop |
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