Is itsu 8 katsu veg bao buns 256g Nightshade Free?

Ingredients

Wheat Flour, Katsu Sauce (28%) (Water, Onion, Coconut Extract, Palm Oil¹, Wheat Flour, Red Miso [Water, Soya Beans, Rice, Salt, Alcohol], Garlic, Salt, Tapioca Starch, Curry Powder [Turmeric, Coriander, Cumin, Cloves, Cinnamon, Black Pepper, Orange Peel, Cardamom, Garlic, Onion, Celery , Spices], Sugar, Soya Bean Oil, Cornflour, Onion Powder, Colour: Plain Caramel, Yeast Extract, Acidity Regulator: Malic Acid, Hydrolysed Soya Protein, Black Pepper Powder, Chilli Powder), Vegetables (15%) (Sweet Potato, Red Pepper, Black Bean), Water, Sugar, Soya Bean Oil, Parsley, Yeast, Raising Agents: Sodium Carbonates*, Diphosphates*, Diphosphates*, Salt, Colour: Chlorophyll**, *Commonly found in Baking Powder they help the bao'buns to rise, making them light & fluffy, **A green food colouring used to create the little dot on our Bao'Buns, to show everyone they're Katsu Veg.