Trademark Class 30 pertains to food products.  However, trademark class 30 does not include, 

• Certain foodstuffs of plant origin 
• Salt for preserving other than for foodstuffs 
• Medicinal teas and dietetic substances adapted for medical use 
• Baby food 
• Raw cereals 
• Foodstuffs for animals 

The following is a list of some of the major food articles that come under Trademark Class 30:

Allspice Almond Paste Almond Confectionery Aniseed Aromatic Preparations for Food Artificial Coffee Baking Powder Baking Soda Bicarbonate of Soda for Cooking Purposes  Barley Meal Bean Meal Beer Vinegar Binding Agents For Ice Cream / Binding Agents for Ice Cream / Binding Agents for Edible Ices Biscuits / Cookies Bread Bread Rolls Breadcrumbs Buns Cake Powder Cake Dough / Cake Batter Cake Frosting  Cakes Candy Candy Decorations For Cakes Capers Caramels  Celery Salt Cereal Preparations Cereal Bars Cereal-Based Snack Food Cheeseburgers Chewing Gum Chicory  Chips  Chocolate Chocolate Beverages With Milk Chocolate Mousses Chocolate Decorations For Cakes Chocolate-Based Beverages Chocolate-Coated Nuts Chow-Chow  Chutneys  Cinnamon  Cloves  Cocoa Cocoa Beverages With Milk Cocoa-Based Beverages Coffee Flavorings Coffee Coffee Beverages With Milk Coffee-Based Beverages Condiments Confectionery For Decorating Christmas Trees Confectioneries / Sugar Confectioneries Cooking Salt Corn Flakes / Maize Flakes Corn Flour / Corn Meal / Maize Flour / Maize Meal Corn, Milled / Maize, Milled Corn, Roasted / Maize, Roasted Couscous  Crackers Cream Of Tartar For Culinary Purposes Crushed Oats Curry  Custard Dessert Mousses  Dough Dressings For Salad Essences For Foodstuffs, Except Etheric Essences And Essential Oils Farinaceous Foods Ferments For Pastes Flavorings, Other Than Essential Oils, For Cakes / Flavorings, other than Essential Oils, for Cakes  Flavorings, Other Than Essential Oils, For Beverages / Flavorings, for Beverages Flowers Or Leaves for use as Tea Substitutes Fondants  Food Flavourings, Other Than Essential Oils / Food Flavorings, other than Essential Oils Fruit Jellies  Fruit Coulis  Garden Herbs, Preserved  Ginger  Gingerbread Glucose For Culinary Purposes Gluten Prepared As Foodstuff Gluten Additives For Culinary Purposes Golden Syrup Groats For Human Food Halvah Ham Glaze High-Protein Cereal Bars Hominy Hominy Grits Honey Husked Barley Husked Oats Ice Cream Ice, Natural Or Artificial Ice For Refreshment Iced Tea Edible Ices Infusions, Not Medicinal Ketchup  Leaven Linseed For Human Consumption / Flaxseed For Human Consumption Liquorice  Lozenges / Pastilles Macaroni Macaroons Malt Biscuits Malt Extract For Food Malt For Human Consumption Maltose Marinades Marzipan Mayonnaise Meal / Flour Meat Pies Meat Tenderizers, For Household Purposes Meat Gravies Minced Garlic  Mint For Confectionery Molasses For Food Muesli Mustard Meal Mustard Natural Sweeteners Noodle-Based Prepared Meals Noodles / Ribbon Vermicelli Nutmegs Oat Flakes Oat-Based Food Oatmeal Palm Sugar Pancakes Pasta / Farinaceous Food Pastes Pasta Sauce Pastries Pastry Dough Pâtés En Croûte Peanut Confectionery Pelmeni  Pepper Peppermint Sweets Peppers  Pesto  Petit-Beurre Biscuits Petits Fours  Pies Pizzas Popcorn Potato Flour Powders for Ice Cream/Powder For Edible Ices Pralines Propolis / Bee Glue Puddings Quiches Ravioli Relish  Rice Rice Cakes Rice Pudding Rice-Based Snack Food Royal Jelly* Rusks Saffron  Sago Salt For Preserving Foodstuffs Sandwiches Sauces  Sausage Binding Materials Sea Water For Cooking Seasonings Seaweed  Semolina Sherbets / Sorbets Soya Flour Soya Sauce Soya Bean Paste  Spaghetti Spices Spring Rolls Star Aniseed Starch For Food Stick Liquorice  Preparations For Stiffening Whipped Cream Sugar Sushi Sweetmeats  Tabbouleh Tacos Tapioca Tapioca Flour Tarts Tea Tea-Based Beverages Thickening Agents For Cooking Foodstuffs Tomato Sauce Tortillas Turmeric Unleavened Bread Unroasted Coffee Vanilla  Vanillin  Vareniki  Vegetal Preparations For Use As Coffee Substitutes Vermicelli  Vinegar Waffles Wheat Flour Wheat Germ For Human Consumption Yeast Frozen Yogurt (Confectionery Ices) / Frozen Yogurt (Confectionery Ices)