Oyster sauce salt, should be added to the sauce, since the oysters should provide all the savoury flavour. However, this method is prohibitively expensive. Many modern oyster sauces are thickened with cornstarch, flavoured with oyster essence or extract and darkened with caramel. Vegetarian oyster sauce prepared from mushrooms, often oyster mushrooms or shiitake mushrooms, is also popular and generally lower in price. It may contain more taste enhancers if less mushroom extract is used to reduce costs. Most of the oyster sauces available on the market contain added monosodium glutamate (MSG). In recent years MSG-free varieties can also be found. The taste
Portobello Road Dog" is titled "Portobello Road" and discusses a walk through the famous street and market. The track also appears on Cat Stevens' 1967 debut album Matthew and Son. One of the most famous TV show, from 1977 to 1983, in Italian television broadcast RAI was named "Portobello" after Portobello Road. The programme was suspended after the arrest of the anchorman Enzo Tortora for drug selling. Afterwards in 1987 Tortora was declared innocent and became a symbol, in Italian popular culture, of the victim of miscarriages of justice. In 1987, Tortora come back in television with "Portobello". In Caetano Veloso's "Nine