Our sources
Every page we have tried to read, with what happened. Open pages are used; blocked pages are listed so you can see what we could not check.
USDA FoodKeeper
USDA FoodKeeper data (public domain), saved from fsis.usda.gov. Version and dates are shown on each food page that uses it.
Official pages
- https://www.healthychildren.org/English/ages-stages/baby/breastfeeding/Pages/Storing-and-Preparing-Expressed-Breast-Milk.aspx: blocked (no readable text (JavaScript-only or empty page)), tried 2026-10-24
- Breast Milk Storage and Preparation | Breastfeeding | CDC: read 2026-10-24, dated 2026-08-14
- Breast Milk Storage Questions and Answers | Breastfeeding | CDC: read 2026-10-24, dated 2023-12-15
- Chicken and Food Poisoning | Food Safety | CDC: read 2026-10-24, dated 2024-04-29
- https://www.cdc.gov/food-safety/foods/eggs.html: blocked (HTTP 404), tried 2026-10-24
- Preventing Listeria Infection | Listeria Infection | CDC: read 2026-10-24
- Preventing C. perfringens Food Poisoning | C. perfringens | CDC: read 2026-10-24
- Preventing Food Poisoning | Food Safety | CDC: read 2026-10-24, dated 2025-11-24
- Raw Flour and Dough | Food Safety | CDC: read 2026-10-24, dated 2025-11-24
- https://hgic.clemson.edu/factsheet/safe-handling-of-beef/: blocked (challenge or bot check page), tried 2026-10-24
- https://hgic.clemson.edu/factsheet/safe-handling-of-poultry/: blocked (challenge or bot check page), tried 2026-10-24
- https://extension.colostate.edu/topic-areas/nutrition-food-safety-health/food-storage-for-safety-and-quality-9-310/: blocked (redirected to https://extension.colostate.edu/topics/ (All Topics), no fact sheet text), tried 2026-10-25
- Understanding and Making Kimchi | CSU Extension: read 2026-10-25
- What You Need to Know About Egg Safety | FDA: read 2026-10-24, dated 2024-03-05
- Refrigerator Thermometers - Cold Facts about Food Safety | FDA: read 2026-10-24, dated 2024-03-05
- Selecting and Serving Produce Safely | FDA: read 2026-10-24, dated 2024-03-05
- Selecting and Serving Fresh and Frozen Seafood Safely | FDA: read 2026-10-24, dated 2024-03-05
- REFRIGERATOR & FREEZER STORAGE CHART: read 2026-10-24, dated 2018-03-01
- Are You Storing Food Safely? | FDA: read 2026-10-24, dated 2023-01-18
- https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/poultry/chicken-farm-table: blocked (robots.txt returned HTTP 403), tried 2026-10-24
- https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/meat/ground-beef-and-food-safety: blocked (robots.txt returned HTTP 403), tried 2026-10-24
- https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/food-safety-basics/leftovers-and-food-safety: blocked (robots.txt returned HTTP 403), tried 2026-10-24
- Food Safety Practices for Baked Goods • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Cheesecake! It’s What’s for Dessert! • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Chocolate – Shelf Life, Storage, and Bloom • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Natural vs Dutch-processed Cocoa • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Refrigerated Condiment Safety Tips • Words on Wellness • Iowa State University Extension and Outreach: read 2026-10-25
- https://blogs.extension.iastate.edu/answerline/2022/09/27/small-batch-fermentation-answerline-team-gives-it-a-try/: blocked (HTTP 404), tried 2026-10-25
- Ripening and Storing Fruit • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Storing Fresh Ginger • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Pie Storage • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Storing Pumpkin and Pecan Pie – Refrigerate or Not? • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Preserving Summer Squash • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Vinegar Shelf Life and Safety • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- Whipped Cream – Tips for Perfecting by Stabilizing • AnswerLine • Iowa State University Extension and Outreach: read 2026-10-25
- • Make a shopping list, plan: read 2026-10-25
- Freezer Storage | Food Safety | Illinois Extension | Illinois: read 2026-10-24
- Leftovers | Food | Illinois Extension | Illinois: read 2026-10-24
- Storing | Meat Safety | Illinois Extension | Illinois: read 2026-10-25
- The Secrets of Sour Cream | Simply Nutritious, Quick and Delicious | Illinois Extension | Illinois: read 2026-10-24
- Storage | Food Safety | Illinois Extension | Illinois: read 2026-10-25
- https://www.canr.msu.edu/news/michigan_honey_is_always_in_season: blocked (robots.txt answered with a challenge page (HTTP 200)), tried 2026-10-24
- https://www.canr.msu.edu/news/food_safety_tips_for_storing_and_using_leftover_food: blocked (robots.txt answered with a challenge page (HTTP 200)), tried 2026-10-24
- Freezing Asparagus - National Center for Home Food Preservation: read 2026-10-24
- Freezing Avocados - National Center for Home Food Preservation: read 2026-10-25
- Freezing Bacon - National Center for Home Food Preservation: read 2026-10-25
- Freezing Bananas - National Center for Home Food Preservation: read 2026-10-25
- Blanching Times - National Center for Home Food Preservation: read 2026-10-24
- Freezing Blueberries or Huckleberries - National Center for Home Food Preservation: read 2026-10-25
- Freezing Broccoli - National Center for Home Food Preservation: read 2026-10-25
- Freezing Butter - National Center for Home Food Preservation: read 2026-10-24
- Freezing Cabbage or Chinese Cabbage - National Center for Home Food Preservation: read 2026-10-24
- Freezing Carrots - National Center for Home Food Preservation: read 2026-10-25
- Freezing Celery - National Center for Home Food Preservation: read 2026-10-24
- Freezing Cheese - National Center for Home Food Preservation: read 2026-10-24
- Freezing Citrus Fruits - National Center for Home Food Preservation: read 2026-10-25
- Freezing Eggs - National Center for Home Food Preservation: read 2026-10-24
- Freezing Fish - National Center for Home Food Preservation: read 2026-10-25
- Freezing soup - National Center for Home Food Preservation: read 2026-10-24
- How Long Can I Store Frozen Foods - National Center for Home Food Preservation: read 2026-10-25
- Freezing Garlic-In-Oil - National Center for Home Food Preservation: read 2026-10-25
- Freezing Grapes - National Center for Home Food Preservation: read 2026-10-25
- Freezing Fresh Herbs - National Center for Home Food Preservation: read 2026-10-25
- Freezing Ice Cream - National Center for Home Food Preservation: read 2026-10-25
- Lots of Leftovers? - National Center for Home Food Preservation: read 2026-10-25
- Freezing Meats - National Center for Home Food Preservation: read 2026-10-25
- Freezing Melons - National Center for Home Food Preservation: read 2026-10-24
- Freezing Mushrooms - National Center for Home Food Preservation: read 2026-10-24
- Foods That Do Not Freeze Well - National Center for Home Food Preservation: read 2026-10-24
- Freezing Onions - National Center for Home Food Preservation: read 2026-10-24
- Freezing Pesto - National Center for Home Food Preservation: read 2026-10-25
- Freezing Pointers - National Center for Home Food Preservation: read 2026-10-24
- Freezing New Irish Potatoes - National Center for Home Food Preservation: read 2026-10-24
- Freezing Poultry and Game Birds - National Center for Home Food Preservation: read 2026-10-25
- Preserving Potatoes - National Center for Home Food Preservation: read 2026-10-24
- Sauerkraut - National Center for Home Food Preservation: read 2026-10-25
- Freezing Shrimp - National Center for Home Food Preservation: read 2026-10-25
- Freezing Fruits for Summer Smoothies - National Center for Home Food Preservation: read 2026-10-25
- Freezing Sour Cream - National Center for Home Food Preservation: read 2026-10-25
- Freezing Strawberries - National Center for Home Food Preservation: read 2026-10-25
- Freezing Summer Squash - National Center for Home Food Preservation: read 2026-10-25
- Freezing Sweet Potatoes - National Center for Home Food Preservation: read 2026-10-24
- Thawing and Preparing Foods for Serving - National Center for Home Food Preservation: read 2026-10-24
- Freezing Tomatoes - National Center for Home Food Preservation: read 2026-10-24
- Freezing Whipped Cream - National Center for Home Food Preservation: read 2026-10-25
- 1 • FN579 • Food Storage GuideNDSU Extension: read 2026-10-25
- Breast milk - pumping and storing: MedlinePlus Medical Encyclopedia: read 2026-10-24, dated 2024-11-08
- https://extension.oregonstate.edu/ask-extension/featured/crystalized-honey-safe-eat: blocked (HTTP 403), tried 2026-10-24
- Does tofu expire? | OSU Extension Service: read 2026-10-25
- https://ohioline.osu.edu/factsheet/HYG-5576-11: blocked (robots.txt returned HTTP 503), tried 2026-10-24
- https://ohioline.osu.edu/factsheet/HYG-5402: blocked (robots.txt returned HTTP 503), tried 2026-10-24
- https://ohioline.osu.edu/factsheet/hyg-5403: blocked (robots.txt returned HTTP 503), tried 2026-10-24
- https://ohioline.osu.edu/factsheet/HYG-5401: blocked (robots.txt returned HTTP 503), tried 2026-10-24
- https://www.womenshealth.gov/breastfeeding/pumping-and-storing-breastmilk: blocked (robots.txt returned HTTP 301), tried 2026-10-24
- Preparing and Preserving Your Own Chicken or Turkey Stock: read 2026-10-25, dated 2026-07-27
- Storing Staple Ingredients in the Kitchen: read 2026-10-25
- https://extension.umn.edu/preserving-and-preparing/storage-times-food-refrigerator-and-freezer: blocked (robots.txt answered with a challenge page (HTTP 403)), tried 2026-10-24
- Home Food Storage | UNL Food | Nebraska: read 2026-10-24
- Freezing Cooked Food for Future Meals: Freezer Bag Tips | UNL Food | Nebraska: read 2026-10-25
- Leftover Food Safety | UNL Food | Nebraska: read 2026-10-24
- Freezing Rice and Pasta | UNL Food | Nebraska: read 2026-10-24
- Is This Food Still Safe to Eat? Frequently Asked Questions | UNL Food | Nebraska: read 2026-10-24
- Food Storage in Home | USU: read 2026-10-24
- Storing Sugars | USU: read 2026-10-24
- https://wicworks.fns.usda.gov/sites/default/files/media/document/Human_Milk_Storage_Guidelines.pdf: blocked (robots.txt returned HTTP 301), tried 2026-10-24
- Safe and Healthy: Food Product Dating: read 2026-10-24