BUCKHORN CLIFFSA preparedness field manual

Food · Recipe · Book recipe 12.2

Fruit Leather with Ascorbic Acid to Prevent Browning

Fruit leather turns a short-lived harvest into lightweight, shelf-stable food you can store for months without refrigeration or canning equipment.

Member articleHandle with care

How it works

Purée fruit
Add acid
Dry at 140°F
Fruit leather

Inside this article

What you'll need
Steps
Warnings
Storage and shelf life

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What is in this article

  • The method at a glance: purée fruit, then add acid, then dry at 140°f, then fruit leather
  • The exact numbers: acid, dry temp, done, preserves, store
  • The full materials list (2 items, with grades and substitutes)
  • The 2-step method, with every measurement in the step
  • The hazard box and the caution notes: what never to mix it with and when to stop
  • Storage and shelf life for the raw compound and the finished mix
  • A printable one-page PDF of this article

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Prefer paper? This is Recipe 12.2, page 73, in Prepper's Chemical Survival Guide.

Questions this answers

Tap a question for the short answer.

How do I keep fruit leather from turning brown?

Mix a small amount of food-grade ascorbic acid into the purée before drying. It works as an antioxidant that blocks the browning reaction in light-colored fruit and protects color, flavor and vitamin content.

Members get the exact amounts and every step.

How much ascorbic acid do I add to fruit leather?

Only a small measured amount goes into each batch of purée. Adding extra makes the leather sour without preserving it any better, and only pure food-grade powder belongs in it, not vitamin tablets.

Members get the exact amounts and every step.

What temperature do I dehydrate fruit leather at?

Dry the purée in a thin, even layer at a low dehydrator heat until the leather is pliable, dry to the touch and no longer sticky. Thickness and humidity change how long that takes.

Members get the exact amounts and every step.

How do I store homemade fruit leather long term?

Make sure the leather is fully dry, since leftover moisture grows mold. Roll strips in parchment and keep them airtight, cool and dark, and use the freezer for the longest storage.

Members get the exact amounts and every step.

How long does fruit leather last with vitamin c added?

Treated leather keeps its color and flavor noticeably longer than untreated leather stored the same way. Freezing stretches storage far beyond what room temperature allows.

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Keep going

Read nextOxygen Absorbers and Desiccants: Which One, How Much, and in What ContainerWhat an oxygen absorber does and what a desiccant does, which one every food and supply needs, every storage container compared, a calculator that sizes the packet for the job, and how to keep the packets themselves alive.Food · Guide

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Everything in FoodNever-mix checkerShelf life tableFind a recipe by needWalk-around auditStart here

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Food · RecipeSource: Prepper's Chemical Survival Guide, Recipe 12.2, p. 73 · Last reviewed 2026-09-18

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