Bamboo Forest Bamboo   -   [family Poaceae (true grasses), subfamily Bambusoideae, tribe Arundinarieae, Phyllostachys]


Bamboo, the largest of the grasses, can exceed 100 feet tall. A vigorous grower, it spreads aggressively by underground runners, but every so often a bamboo forest will bloom, go to seed and die. China recently (2002 - 2005) had to do a mass relocation of pandas because their forest was blooming and the pandas would starve.

Like many other grasses, bamboo stems are hollow and jointed, but unlike most grasses they branch with slender leaves on the branches rather than blades from the stem. All parts of bamboo are heavily laced with toxic cyanide. It isn't known how pandas and lemurs consume so much cyanide and live. Photo © i0143.

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History & General Information

Bamboo is the fastest growing plant on Earth. It can grow well over three feet per day and has been clocked at over three feet per hour in short spurts. Most are much smaller but some giant timber bamboo can grow to over 100 feet tall.

Bamboo stems are hard flexible and durable, so they have been made into tools and utensils and used as building materials since long before the dawn of history. Their utility has been both enhanced and limited by their hollow jointed nature and thin walls, but modern processes and bonding methods have recently made bamboo practical for durable flooring, cutting boards and other non-traditional uses.

Bamboo propagates by sending out underground runners which send up shoots that develop into mature grass stems. These tender young shoots are the only part of the bamboo plant that can be made edible to humans. "Spreading" bamboos can become pests, as their runners are long and they send them out aggressively. "Clumping" bamboos are fairly easy to control as their runners are very short and not so aggressive.

Pandas and golden lemurs have evolved ways to process cyanide and can ingest enough bamboo to kill several men each day, but even young shoots are too toxic for human consumption. Shoots must first have the fibrous exterior sheaths stripped off and must then be cooked well in boiling water, uncovered to let the bitter cyanide escape.

Varieties

Of the hundreds of varieties of bamboo, only a few are used for food and fewer are available commercially. The obvious difference is size, but there are other differences. Once peeled and detoxified shoots may be sold fresh in bags or in sterile vacuum packs for longer keeping, or can be canned whole, sliced or shredded. Bamboo may also be dried, dried and salted, pickled, or frozen.

Bamboo Shoots & Tips
A mix of Bamboo Shoots With no other descriptor, bamboo shoots tend to be slightly yellow in color and 2 to 3 inches in diameter, similar to the ones in the center left and bottom right of the photo. If canned they, will usually be sliced in some fashion, generally into either lengthwise slices or small slivers.

Canned are still the most commonly available but markets serving Asian communities now stock various kinds in sterile vacuum bags. The vacuum bags have the advantage that you can see exactly what you're getting, whole shoots can be bagged, and the flavor is much fresher than canned. Canned bamboo shoots should be briefly par boiled to remove the tinny taste.

Fresh Bamboo Shoots   -   [probably Phyllostachys edulis]
Fresh Bamboo Shoots, whole, peeled and cut

Unprocessed bamboo shoots are now often available in Southern California. While more trouble to prepare, the flavor of fresh bamboo is superior to vacuum bagged and a lot superior to canned. The photo specimens are a little old. Preferably they should be no darker than the photo specimens. From the shape and structure of the edible shoot, I identify this as P. edulis. The photo specimen at the top was 8 inches long, 3-1/4 inches diameter at the base (average, they are always oval) and weighed 1 [pimd 5-7/8 ounces. For preparation see Details and Cooking

Prepared Bamboo Shoots, Bulk   -   [Mang Xoay (Viet); probably Bambusa oldhamii (giant timber bamboo) or Bambusa odashimae (very similar)]
Large Prepared Bamboo Shoots

These are now available in many markets serving East Asian populations, sold bulk out of water filled tubs or loosely bagged. Larger stores may have them whole, sliced and slivered. They have only been peeled and boiled long enough to detoxify them - basically the same as if you prepared your own fresh bamboo shoots. They are prepared and boiled in Asia, then shipped to North America in sterile bulk packaging.

Flavor is very good but they are perishable - refrigerate and use within a few days of purchase. If you have to keep them longer, boil them for a few minutes and seal in a plastic bag while still hot. The whole photo specimen was 5-1/4 inches long, 2-1/2 inches diameter and weighed 8-3/8 ounces. Many in the tub it was drawn from were quite a bit larger. They were purchased from a large Asian market in Los Angeles (San Gabriel) for 2017 US $1.39 / pound.

Winter Bamboo   -   [Moso Bamboo; Phyllostachys edulis]
Winter Bamboo Shoots

These are from a giant bamboo that grows to nearly 100 feet tall. They are harvested in the winter when they are smaller, but sweeter and more tender than the "Hairy" spring shoots, which are used mostly for drying. They are a very white color and very large in size. Otherwise they're pretty much like other bamboo shoots. Today they are generally sold whole in sterile vacuum bags.

The largest of the photo specimens was 5 inches long, 3-1/2 inch diameter at the base (average, they are oval), and weighed 1 pound 3-3/4 ounces. The photo specimens were purchased in individual vacuum bags from a large Asian market in Los Angeles (San Gabriel) for 2017 US $1.99 each (about $1.61 / pound).

Green Bamboo Shoots   -   [possibly Phyllostachys atrovaginata or P. virella]
Green Bamboo Shoots

These shoots are white, but from a variety of bamboo called "Green Bamboo". I always keep these bamboo shoots on hand, because the shrink packages contain only about 10.5 ounces, enough for most recipes, but not too much, and they are tender, non-fibrous and with good flavor. They are often solid, as in the split photo specimen to the right, so can be easily cut into whatever shape you want. They are, however, sold at a premium price. The whole one to the left was 2-3/4 inches high and 2-1/4 inches wide, weighing 4-1/4 ounce, nearly as large as they get. They were purchased from a large Asian market in Los Angeles (San Gabriel) for 2017 US $3.95 / pound.

Thin Bamboo Shoots   -   [possibly Fargesia spathacea or Phyllostachys bambusoides]
Thin Bamboo Shoots

These bamboo shoots are long and very slender, though if from P. bambusoides the mature plant is quite large, to 72 feet tall. These shoots may be in vacuum packs or canned. The shoots are a bit more fibrous than the larger shoots and have a more distinct and slightly bitter flavor. The photo specimens were around 6 inches long, 5/8 inch diameter and weighed 5/8 ounce each. They were purchased in a 7 ounce package from a large Asian market in Los Angeles (Alhambra) for 2017 US $2.72 per pound.

Bamboo Tips, Bulk   -   [Mang Cay (Viet); probably Bambusa oldhamii (giant timber bamboo) or Bambusa odashimae (very similar)]
Large Bamboo Tips

These are from the growing tips of more mature stems, similarly to palm hearts. They are very edible with good bamboo shoot flavor, and firm but not hard texture from end to end. These may be almost solid, like the cut specimen, or may have fairly large cavities.

Tips are available only from the bulk tubs, because of their size. The largest photo specimen was 13 inches long, 1-1/2 inches diameter and weighed 10 ounces, but many in the tub it was drawn from were quite a bit larger. They were purchased from a large Asian market in Los Angeles (San Gabriel) for 2017 US $1.39 per pound.

Dried Bamboo, Salted   -   [possibly Fargesia spathacea or Phyllostachys bambusoides]
Salted Bamboo Shoots with  traditional packaging

This traditional product was packaged in the traditional manner, in a bamboo splint basket lined with dried bamboo leaves. Of course, this is the 21st century, so the product inside was in a plastic vacuum pack bag. Most exporters dispense with the traditional packing and just ship them in standard modern vacuum packages, but this drying method has been pretty much superseded by the Unsalted Dried Bamboo form (see below).

This product is made from Thin Bamboo Shoots dried and preserved with salt. They need to be soaked in a couple changes of water before use. The photo specimen was purchased from a large Asian market in Los Angeles (Alhambra) for 2017 US $9.99 for the package, containing 2 pounds 3 ounces of the product ($4.56 per pound). Ing: Bamboo shoots, salt, sodium dehydroacetate.   Details and Cooking.

Dried Bamboo, Unsalted   -   [probably Moso Bamboo; Phyllostachys edulis (large) and Fargesia spathacea or Phyllostachys bambusoides (thin)]
Large and Thin Dried Bamboo Shoots

Most dried bamboo in the markets here in Los Angeles are of this form, whether wide, thin or sliced. They are always treated with sulphur dioxide or another sulfite to preserve and maintain color, as is most dried fruit sold in North America. Some of these products, especially from China are an almost garish yellow in color. Of the photo specimens, the large were from Vietnam and the small from China. The largest wide piece was 11 inches long and weighed 3 ounces.   Details and Cooking

Sour Bamboo Shoots   -   [Pickled Bamboo Shoots; Naw Mai Dong (Thai); Menma (Japan)]
Slices of Pickled Bamboo Shoots

In Southeast Asia, Korea, and parts of China, salt fermented bamboo shoots are quite popular for use as a flavoring ingredient in soups and other recipes. The photo specimens, from Thailand, were shaved about 0.080 inch thick (2 mm), in random size and shape, from a fairly large bamboo shoot. A 32 ounce jar will have about 6-7/8 ounces of bamboo shoot after draining and wringing out. This is about 1 cup lightly packed. A 32 ounce jar (mostly water) was purchased from a large Asian market in Los Angeles (San Gabriel) for 2017 US $2.39. Ing: bamboo shoot, water, salt, citric acid, sodium benzoate, sodium metabisulfite.

Health & Nutrition

Do not attempt to eat unprocessed bamboo shoots until they have been peeled of their leafy sheath and simmered for sufficient time to drive off their toxic cyanide. They are unlikely to kill you, but they could make you uncomfortable. Commercially prepared products have already been detoxed, and are usually labeled "poached" or "boiled".

Bamboo shoots have almost no fat, and are low in calories and sugar, but have a fair amount of protein and are high in fiber. They have significant amounts of vitamin A, vitamin B6, vitamin E, thiamin, riboflavin, niacin, folate and pantothenic acid. They also include minerals calcium, magnesium, phosphorous, potassium, sodium, zinc, copper, manganese, selenium and iron.

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©Andrew Grygus - agryg@clovegarden.com - Photos on this page not otherwise credited are © cg1 - Linking to and non-commercial use of this page permitted