Frequently Asked Questions – USAWalnuts
How long can I keep UsaWalnuts products?
The shelf life of nuts depends on storage conditions, whether the package is opened or unopened, and whether they are shelled or unshelled. For a general guideline, walnuts should be consumed in 6 months for the best taste. Under refrigerated storage, this can be extended up to 18 months.
How should walnuts be stored?
Nuts can be stored in the pantry or refrigerator. When storing opened packages of nuts, be sure to use an airtight, odorless container, as nuts can absorb odors of other foods. Nuts stored in the refrigerator will stay fresher longer.
How many walnuts do I need to eat in order to gain their benefits?
A “handful” of walnuts a day is recommended to get a full serving of nutrients. One ounce of walnuts (about 14 shelled walnut halves) is all that is needed to meet the 2002 dietary recommendation of the Food Nutrition Board of the National Academies’ Institute of Medicine for omega-3 fatty acids.
When is the walnut harvest?
In California, the harvest begins in September and goes to late November.
Where are California Walnuts grown?
California Walnuts are grown in the rich lands of the valleys of the Golden State. Many of the orchards can be spotted in the San Joaquin and Sacramento Valleys along Interstate 5 or Highway 99.
What is the difference between a black and an English walnut?
All of the products referred to on this web site are “California Walnuts” which are also referred to as the English walnut, Persian walnut or Juglans Regia.
The black walnut is a native American species. The black walnut is used mainly as a rootstock for English walnuts. The meats are tasty, but these walnuts are hard to crack and remove from the shells.
What are the varieties of walnuts grown in California?
There are 37 varieties of walnuts grown in California. However, four varieties account for over 80 per cent of total production: Chandler, Hartley, Payne and Serr.
What are the specifications of Chandler variety?
Chandler variety is one of the most grown and thus recognized varieties in California. This large, smooth, oval nut is harvested mid-season. Its good shell seal, excellent kernel color (90 per cent light grade) and high fruitfulness (fruit found on 80 to 90 per cent of lateral buds) make it a popular choice.
What is the nutritional breakdown of walnuts?
Walnuts contain a wide variety of nutrients including numerous vitamins and minerals, such as vitamin E, thiamine, vitamin B6, foliate, magnesium, copper and zinc. They are a plant source of protein that is low in saturated fats and cholesterol-free. See our nutrient profiles for more details.
What is walnut oil and how can I use it?
The walnut is around 70 per cent oil. In ancient times the walnut oil was used as a drying oil for paint, and Michelangelo even used it to paint the Sistine Chapel in Rome. Today, walnut oil is also prized as the very best oil for salads and cuisine. You can find California-produced walnut oils in your supermarket shelf and also in gourmet shops.