如何挑选莴笋

青衫不改旧人还 发布 2019-07-09

莴笋看不到里面的肉质如何,有什么好的办法挑选它吗?

2019-07-10

1、看 好的新鲜的莴笋应是笔直、大小匀称、无烂叶、无损伤、无软烂、横截面切口皮薄等现象的,而不好的莴笋可能颜色发暗、叶片发黄、烂叶等。另外记得看莴笋的根部,如果根部是完全透明的,说明里面是嫩的;如果中心处有个白点,甚至有空洞,那就是老的。 2、掂 选新鲜的蔬果都要记得一个窍门,那就是在同等大小下,一定要挑那个分量更重的,这样的食物才水分较多,而轻的那个多半是放久了或腐烂中空的。 3、闻 优质的莴笋会带有其特殊的青菜香味,而不好的莴笋闻着不是有腐烂味就是带有怪味的,这多半是莴笋腐烂变质的一个表现。

我来答:

用户名: 密码:
Array ( [$this->_last_sql] => SELECT `article_id`,`cover`,`title` FROM `v1_article` AS `a` LEFT JOIN `v1_tag_relation` as `l` ON `l`.`data_id` = `a`.`article_id` WHERE `l`.`addon_tag` = 'article_health' and `l`.`tag_id` in () limit 0,5; [$this->_bind_param] => Array ( ) [$fields] => Array ( [tag_id] => Array ( [field] => :tag_id [value] => Array ( [0] => ) [type] => 2 ) ) ) SQL: [214] SELECT `article_id`,`cover`,`title` FROM `v1_article` AS `a` LEFT JOIN `v1_tag_relation` as `l` ON `l`.`data_id` = `a`.`article_id` WHERE `l`.`addon_tag` = 'article_health' and `l`.`tag_id` in () limit 0,5; Params: 0
Fatal error: Sql Error:SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') limit 0,5' at line 1 Trace:#0 /www/wwwroot/v3.2.0-ounun/source/ounun/pdo.php(1045): PDOStatement->execute() #1 /www/wwwroot/v3.2.0-ounun/source/ounun/pdo.php(204): ounun\pdo->_execute() #2 /www/wwwroot/v3.2.1-cms.cc/app.cms.cc/addons/article/logic.php(50): ounun\pdo->query() #3 /www/wwwroot/zq/runliao/app.runliao/template/www/_default/ask_details.html.php(86): addons\article\logic->lists_tag() #4 /www/wwwroot/v3.2.1-cms.cc/app.cms.cc/app/www/controller/ask.php(37): require('/www/wwwroot/zq...') #5 /www/wwwroot/v3.2.1-cms.cc/app.cms.cc/app/www/controller/ask.php(57): app\www\controller\ask->_details() #6 /www/wwwroot/v3.2.0-ounun/source/helper.php(920): app\www\controller\ask->__call() #7 /www/wwwroot/v3.2.0-ounun/source/start.v3.php(839): v->__construct() #8 /www/wwwroot/v3.2.0-ounun/source/start.v3.php(856) in /www/wwwroot/v3.2.0-ounun/source/ounun/pdo.php on line 1054