How to Keep Pests Out of Raw Rice

Helpful Tips for Keeping Rice Bug-Free

Rebecca Livermore
You walk into your kitchen to prepare dinner, dip your scoop into the rice bin, and discover, along with the rice, some creepy crawlies. Yuck!

Fortunately, there are ways to keep pests from invading your rice. Here are some suggestions:

How to Keep Pests Out of Rice: Remove Moisture from the Rice. When you first bring your rice home from the market, spread it out on a clean surface under the sun for several hours. Alternatively, you can put your raw rice in a thin layer in pans and place them in a warm oven overnight. (Use the lowest setting on your oven.) Both methods use heat to dry the rice. This is effective because moisture is one of the main causes of pests in rice. Once the rice has been thoroughly dried, store in clean, sealed glass or plastic containers.

How to Keep Pests Out of Rice: Freeze the Rice. As soon as you bring your rice home, place it into the freezer for at least four days. Freezing prevents any insect eggs that are already in the rice from hatching. (It's not pleasant to think about insect eggs in your rice, but it is a common reality. It's better to have eggs that have been frozen, than live insects.) If you have room in your freezer, you may store rice in the freezer, which will guarantee that no pests get into it, but that generally isn't necessary.

How to Keep Pests Out of Rice: Put Leaves into the Rice. Depending on which part of the world you live in, different types of leaves can be used to keep pests out of your rice. For instance, in India, neem leaves are used. In the western world, bay leaves are commonly used. Be sure to use dry, not fresh leaves.

How to Keep Pests Out of Rice: Remove Air from the Rice. Pests cannot survive without air, so one way to keep pests from multiplying in your rice is to remove as much air as possible from your rice. If you buy rice in bulk, you may want to divide the rice into smaller amounts and use a vacuum sealer to remove air from the smaller bags of rice. If you don't have a vacuum sealer, you can use a drinking straw to remove air from the bag. To do so, put the rice into the zippered bag, put a clean straw into the bag and then zip the bag shut except for where the straw sticks out. Next, suck on the straw to remove as much air as possible and then quickly remove the straw and seal the bag.

How to Keep Pests Out of Rice: Put Dried Chilies into the Rice. Be sure to put them into a small bag made out of cheese cloth to keep the chilies from breaking up into the rice, causing it to become spicy.

How to Keep Pests Out of Rice: Purchase only Small Quantities of Rice. I tend to buy rice in bulk to save money, but if you find that you regularly find pests in your rice, you're probably better off buying small quantities of rice that you can use up before it gets buggy.

How to Keep Pests Out of Rice: Store your Rice Properly. It's best to use sealed plastic or glass containers for your rice. This not only helps to keep the air out, it will also help prevent pests from getting into your rice. If you use plastic containers, be sure to use containers that are made out of food grade plastic. Containers not intended to store food (e.g. plastic trash cans) are made out of plastic that can be toxic, so it is best not to use them for food storage.

How to Keep Pests Out of Rice: Return the Rice to the Store. If you find insects in your rice shortly after purchasing it, bring it back to the store to exchange it for a fresh bag of rice. Policies differ from store to store, but some stores will provide a refund or exchange even without a receipt.

Published by Rebecca Livermore - Featured Contributor in Travel

Rebecca Livermore has been a freelance writer since 1993. Although she started off writing for print magazines, in recent years she has switched her focus to writing for the web. She writes on many subjects,...  View profile

  • Freezing rice kills insect eggs.
  • Removing moisture from rice helps prevent pests.
  • Never store rice in plastic containers not intended for food storage.

43 Comments

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  • Tiny Weevil9/30/2010

    We just discovered weevils in an unopened bag of Yoga Organics brown rice. Dumped a cup from the bag into the boiling organic vegetable broth and quickly spotted some movement. Looked into and around the counter by the bag and sure enough I just about became carnivorous. Meat was not listed as an ingredient :(

  • Karen Gros10/2/2009

    i keep mine in the freezer here. So what does a Neer tree look like???

  • Cynthia Martin2/16/2009

    I also keep my dry grits, oatmeal and flour in the refridgerator to avoid pests...thanks Cyn

  • Kim Linton3/18/2008

    Freezing the rice is a great idea. Wonderful suggestions Rebecca!

  • Thomas J McCabe3/15/2008

    Interesting and informative article. Thank you.

  • Rich Thomas3/15/2008

    Thankfully this has never really been my problem, but I've been to plenty of places where it is a problem.

  • Girl Gone Fishing3/14/2008

    Duh! I feel like such a dummy now. I don't have pests in my rice, but I have completely stopped buying yellow grits because of them. I can't believe I never thought of the freezer or the vacume sealer! Great article!

  • Mary E. Coe3/13/2008

    Very good article. Very interesting and informative write.

  • Kristie Leong M.D.3/12/2008

    Ingenious! I never would have thought of these. Great job. :-)

  • J P Whickson3/12/2008

    Really great advice, especially with summer approaching.

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