Finally, i did it with str_replace.
$name = str_replace("\"", "", $quote[1]);
Full:
foreach($quotes as $quoteraw) {
$quoteraw = str_replace(", I", " I", $quoteraw);
$quote = explode(",", $quoteraw);
$name = str_replace("\"", "", $quote[1]);
print_r($name);
}