Singapore authorities have ordered supermarkets to remove a number of Japanese food products containing stevia, a sugar substitute banned in the city state, industry sources said Monday.

The products include well-known brands owned by Ezaki Glico Co. and Nissin Food Products Co.

The Straits Times reported Monday that the Environment Ministry has identified six Japanese products that contain stevia.

These include Nissin Tatsujin Tonkatsu Ramen Instant Noodles, Nissin UFO Oomori Yaki Soba Instant Noodle, Glico Biscuit Sticks and Koikeya Don Tacos corn chips.