Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Acorn shopping experience:
1. Compare - without doubt the biggest advantage that the Acorn offers shoppers today is the ability to compare thousands of Acorn at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Acorn? Wrong! If the Acorn is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Acorn then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Acorn? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Acorn and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Acorn wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Acorn then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Acorn site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Acorn, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Acorn, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
The
acorn is the
fruit of the
oak tree (genera
Quercus,
Lithocarpus and
Cyclobalanopsis, in the family
Fagaceae). It is a nut (fruit), containing a single
seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. Acorns vary from 1 – 6 cm long and 0.8 – 4 cm broad. Acorns take between about 6 or 24 months (depending on the species) to mature; see List of Quercus species for details of oak classification, in which acorn morphology (biology) and phenology are important factors.
Nutrition
Acorns are one of the most important wildlife foods in areas where oaks occur. Creatures that make acorns an important part of their diet include birds, such as
jays,
pigeons, some ducks and several species of woodpeckers. Small
mammals that feed on acorns include mouse,
squirrels and several other
rodents. Such large mammals as pigs, bears, and deer also consume large amounts of acorns: they may constitute up to 25% of the diet of deer in the autumn. In some of the large oak forests in southwest Europe, traditionally called "dehesas", pigs are still turned loose in
oak groves in the autumn, to fill and fatten themselves on acorns. However, acorns are toxic to some other animals, such as
horses.
In some
human cultures, acorns once constituted a dietary
staple food, though they are now generally only a very minor food.
The
larvae of some
moths and weevils also live in young acorns, consuming the kernels as they develop.
Acorns are attractive to animals because they are large and thus efficiently consumed or cached. Acorns are also rich in nutrients. Percentages vary from species to species, but all acorns contain large amounts of protein, carbohydrates and fats, as well as the minerals
calcium,
phosphorus and
potassium, and the vitamin niacin. Total food energy in an acorn also varies by species, but all compare well with other wild foods and with other nuts.
Acorns also contain bitter
tannins, the amount varying with the species. Since tannins, which are plant polyphenols, interfere with an animal's ability to metabolize protein, creatures must adapt in different ways to utilize the nutritional value that acorns contain. Animals may preferentially select acorns that contain fewer tannins. Creatures that cache acorns, such as jays and squirrels, may wait to consume some of these acorns until sufficient groundwater has percolated through them to
leaching the tannins out. Other animals buffer their acorn diet with other foods. Many insects, birds, and mammals metabolize tannins with fewer ill-effects than humans. Several indigenous human cultures have devised traditional acorn-leaching methods that involved tools and that were traditionally passed on to their children by word of mouth.
Species of acorn that contain large amounts of tannins are very bitter, astringent, and potentially irritating if eaten raw. This is particularly true of the acorns of red oaks. The acorns of white oaks, being much lower in tannins, are nutty in flavor, which is enhanced if the acorns are given a light roast before grinding. Tannins can be removed by soaking chopped acorns in several changes of water, until water no longer turns brown. (Boiling unleached acorns may actually cause the tannins to be unleachable.) Being rich in
fat, acorn flour can spoil or get moldy easily and must be carefully stored. Acorns are also sometimes prepared as a massage oil.
Acorn dispersal agents
Acorns, being too heavy to blow in wind, do not fall far from the tree at maturity. Because of this, oaks depend on Biological dispersal agents to move the acorns beyond the canopy of the mother tree and into an environment in which they can germinate and find access to adequate water, sunlight and soil nutrients, ideally a minimum of 20-30 m from the parent tree. Many acorn predators eat unripe acorns on the tree or ripe acorns from the ground, with no reproductive benefit to the oak. However, some acorn predators also serve as seed dispersal agents. Jays and squirrels that scatter-hoard acorns in caches for future use, effectively plant acorns in a variety of locations in which it is possible for them to germinate and thrive. Although jays and squirrels retain remarkably large mental maps of cache locations and return to consume them, the odd acorn may be lost, or a jay or squirrel may die before consuming all of its stores. A small number of acorns manage to germinate and survive, producing the next generation of oaks.
Scatter-hoarding behavior depends on jays and squirrels associating with plants that provide good packets of food that are nutritionally valuable, but not too big for the dispersal agent to handle. The beak sizes of jays determine how large acorns may get before jays ignore them.
Acorns germinate on different schedules, depending on their place in the oak family. Once acorns sprout, they are less nutritious, as the seed tissue converts to the indigestible lignins that form the root.
Cultural aspects
Acorns appear only on adult trees, and thus are often a symbol of
patience and the fruition of long, hard labor. For example, an English proverb states that
Great oaks from little acorns grow, urging the listener to wait for maturation of a project or idea. A
Germany folklore has a farmer try to outwit
Satan, to whom he has promised his soul, by asking for a reprieve until his first crop is harvested; he plants acorns and has many years to enjoy first. In
Great Britain, one old tradition has it that if a woman carries an acorn on her person it will delay the aging process and keep her forever young.
The
Norse mythology legend that
Thor sheltered from a thunderstorm under an oak tree has led to the belief that having an acorn on a windowsill will prevent a house from being struck by
lightning, hence the popularity of
window blind pulls decorated as acorns. In ancient
Japan, (Jōmon period), acorn was an important food. They harvested, peeled and soaked acorns in natural or artificial ponds for several days to remove tannins, then processed it to make acorn cakes. In Korea, an edible jelly named
dotorimuk is made from acorns.
A
Motif (art) in Roman architecture and popular in Celtic and Scandinavian art, the symbol is used as an
Ornament (architecture) on cutlery, jewelry, furniture, and appears on finials at
Westminster Abbey. The
gothic language name
akran, German
Eicher, etc, had the sense of "fruit of the unenclosed land". The word was applied to the most important forest produce, that of the oak.
Geoffrey Chaucer spoke of "achornes of okes" in the 1300s. By degrees, popular
etymology connected the word both with "corn" and "oak-horn", and the spelling changed accordingly.
In the 1600s, a juice extracted from acorns was administered to habitual drunkards to cure them of their condition or else to give them the strength to resist another bout of drinking. Young lovers may place two acorns, representing themselves and the object of their affection, in a bowl of water in order to predict whether they have a future together; if the acorns drift towards each other they are certain to marry (they will, if placed closer to each other than to the edge of the bowl).
By analogy with the shape, in nautical language, the word acorn also refers to a piece of wood keeping the vane on the mast-head.
Native American management of acorn resources
Acorns were a traditional food of many Indigenous peoples of the Americas peoples of North America, but served an especially important role in California, where the ranges of several species of oaks overlap, increasing the reliability of the resource.
Acorns, unlike many other plant foods, do not need to be eaten or processed right away, but may be stored for long time periods, such as what squirrels do. In years that oaks produced many acorns,
Indigenous peoples of the Americas sometimes collected enough acorns to store for two years as insurance against poor acorn production years. After drying them in the sun to discourage mold and germination, Native American women took acorns back to their villages and cached them in hollow trees or structures on poles, to keep acorns safe from mice and squirrels. These acorns could be used as needed. Storage of acorns permitted Native American women to process acorns when convenient, particularly during winter months when other resources were scarce. Women's caloric contributions to the village increased when they stored acorns for later processing and focused on gathering or processing other resources available in the autumn.
Women shelled and pulverized those acorns that germinate in the fall before those that germinate in spring. Because of their high fat content, stored acorns can become rancid. Molds may also grow on them.
Native North Americans took an active and sophisticated role in management of acorn resources through the use of fire, which increased the production of acorns and made them easier to collect. The deliberate setting of light ground fires killed the larvae of acorn moths and acorn weevils that have the potential to infest and consume more than 95% of an oak's acorns, by burning them during their dormancy period in the soil. Fires released the nutrients bound in dead leaves and other plant debris into the soil, thus fertilizing oak trees while clearing the ground to make acorn collection faster and easier. Most North American oaks tolerate light fires, especially when consistent burning has eliminated woody fuel accumulation around their trunks. Consistent burning encouraged oak growth at the expense of other trees that are less tolerant of fire, thus keeping landscapes in a state in which oaks dominated. Since oaks produce more acorns when they are not in close competition with other oaks for sunlight, water and soil nutrients, eliminating young oaks more vulnerable to fire than old oaks created open oak savannahs with trees ideally spaced to maximize acorn production. Finally, frequent fires prevented accumulation of flammable debris, which reduced the risk of destructive canopy fires that destroyed oak trees. After a century during which North American landscapes have not been managed by
indigenous peoples, disastrous fires have ravaged crowded, fuel-laden forests. Land managers have realized that they can learn much from indigenous resource management techniques, such as
controlled burning, widely practiced by Native Americans to enhance such resources as acorns.
References and external links
- Baumhoff, Martin A. (1963) Ecological Determinants of Aboriginal California Populations. University of California Publications in American Archaeology and Etnology 49(2)155-235.
- Brown, Leland R. (1979) Insects Feeding on California Oak Treesin Proceedings of the Symposium on Multiple-Use Management of California's Hardwood Resources, Timothy Plum and Norman Pillsbury (eds.). Gen. Tech. Rep. PSW-44, USDA, Forest Service, Pac. S.W. Forest and Range Experiment Station, Berkeley, California, pp. 184-194.
- Janzen, Daniel H. (1971) Seed Predation by Animals in Annual Review of Ecology and Systematics. Richard F. Johnson, Peter W. Frank and Charles Michner (eds.).
- Nupa Acorn Soup (Miwokan recipe)
- Cooking With Acorns: A Major North American Indian Food
- Nutrition Facts for Acorn Flour
- How to whistle an acorn
The
acorn is the fruit of the
oak tree (genera
Quercus,
Lithocarpus and
Cyclobalanopsis, in the family Fagaceae). It is a nut (fruit), containing a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped
cupule. Acorns vary from 1 – 6 cm long and 0.8 – 4 cm broad. Acorns take between about 6 or 24 months (depending on the species) to mature; see
List of Quercus species for details of oak classification, in which acorn
morphology (biology) and phenology are important factors.
Nutrition
Acorns are one of the most important wildlife foods in areas where oaks occur. Creatures that make acorns an important part of their diet include birds, such as jays,
pigeons, some ducks and several species of woodpeckers. Small mammals that feed on acorns include
mouse,
squirrels and several other
rodents. Such large mammals as
pigs,
bears, and
deer also consume large amounts of acorns: they may constitute up to 25% of the diet of deer in the autumn. In some of the large oak forests in southwest
Europe, traditionally called "dehesas", pigs are still turned loose in
oak groves in the autumn, to fill and fatten themselves on acorns. However, acorns are toxic to some other animals, such as horses.
In some
human cultures, acorns once constituted a dietary
staple food, though they are now generally only a very minor food.
The
larvae of some
moths and weevils also live in young acorns, consuming the kernels as they develop.
Acorns are attractive to animals because they are large and thus efficiently consumed or cached. Acorns are also rich in nutrients. Percentages vary from species to species, but all acorns contain large amounts of protein,
carbohydrates and fats, as well as the minerals calcium,
phosphorus and potassium, and the
vitamin niacin. Total food energy in an acorn also varies by species, but all compare well with other wild foods and with other nuts.
Acorns also contain bitter
tannins, the amount varying with the species. Since tannins, which are plant polyphenols, interfere with an animal's ability to metabolize protein, creatures must adapt in different ways to utilize the nutritional value that acorns contain. Animals may preferentially select acorns that contain fewer tannins. Creatures that cache acorns, such as jays and squirrels, may wait to consume some of these acorns until sufficient groundwater has percolated through them to
leaching the tannins out. Other animals buffer their acorn diet with other foods. Many insects, birds, and mammals metabolize tannins with fewer ill-effects than humans. Several indigenous human cultures have devised traditional acorn-leaching methods that involved tools and that were traditionally passed on to their children by word of mouth.
Species of acorn that contain large amounts of tannins are very bitter, astringent, and potentially irritating if eaten raw. This is particularly true of the acorns of red oaks. The acorns of white oaks, being much lower in tannins, are nutty in flavor, which is enhanced if the acorns are given a light roast before grinding. Tannins can be removed by soaking chopped acorns in several changes of water, until water no longer turns brown. (Boiling unleached acorns may actually cause the tannins to be unleachable.) Being rich in
fat, acorn flour can spoil or get moldy easily and must be carefully stored. Acorns are also sometimes prepared as a massage oil.
Acorn dispersal agents
Acorns, being too heavy to blow in wind, do not fall far from the tree at maturity. Because of this, oaks depend on
Biological dispersal agents to move the acorns beyond the canopy of the mother tree and into an environment in which they can germinate and find access to adequate water, sunlight and soil nutrients, ideally a minimum of 20-30 m from the parent tree. Many acorn predators eat unripe acorns on the tree or ripe acorns from the ground, with no reproductive benefit to the oak. However, some acorn predators also serve as seed dispersal agents. Jays and squirrels that scatter-hoard acorns in caches for future use, effectively plant acorns in a variety of locations in which it is possible for them to germinate and thrive. Although jays and squirrels retain remarkably large mental maps of cache locations and return to consume them, the odd acorn may be lost, or a jay or squirrel may die before consuming all of its stores. A small number of acorns manage to germinate and survive, producing the next generation of oaks.
Scatter-hoarding behavior depends on jays and squirrels associating with plants that provide good packets of food that are nutritionally valuable, but not too big for the dispersal agent to handle. The beak sizes of jays determine how large acorns may get before jays ignore them.
Acorns germinate on different schedules, depending on their place in the oak family. Once acorns sprout, they are less nutritious, as the seed tissue converts to the indigestible
lignins that form the root.
Cultural aspects
Acorns appear only on adult trees, and thus are often a symbol of
patience and the fruition of long, hard labor. For example, an English
proverb states that
Great oaks from little acorns grow, urging the listener to wait for maturation of a project or idea. A
Germany folklore has a farmer try to outwit
Satan, to whom he has promised his
soul, by asking for a reprieve until his first crop is harvested; he plants acorns and has many years to enjoy first. In Great Britain, one old tradition has it that if a woman carries an acorn on her person it will delay the aging process and keep her forever young.
The Norse mythology legend that Thor sheltered from a thunderstorm under an oak tree has led to the belief that having an acorn on a windowsill will prevent a house from being struck by
lightning, hence the popularity of window blind pulls decorated as acorns. In ancient Japan, (Jōmon period), acorn was an important food. They harvested, peeled and soaked acorns in natural or artificial ponds for several days to remove tannins, then processed it to make acorn cakes. In Korea, an edible jelly named
dotorimuk is made from acorns.
A Motif (art) in
Roman architecture and popular in Celtic and Scandinavian art, the symbol is used as an
Ornament (architecture) on
cutlery, jewelry, furniture, and appears on finials at Westminster Abbey. The
gothic language name
akran, German
Eicher, etc, had the sense of "fruit of the unenclosed land". The word was applied to the most important forest produce, that of the oak.
Geoffrey Chaucer spoke of "achornes of okes" in the 1300s. By degrees, popular
etymology connected the word both with "corn" and "oak-horn", and the spelling changed accordingly.
In the
1600s, a juice extracted from acorns was administered to habitual drunkards to cure them of their condition or else to give them the strength to resist another bout of drinking. Young lovers may place two acorns, representing themselves and the object of their affection, in a bowl of water in order to predict whether they have a future together; if the acorns drift towards each other they are certain to marry (they will, if placed closer to each other than to the edge of the bowl).
By analogy with the shape, in nautical language, the word acorn also refers to a piece of wood keeping the vane on the mast-head.
Native American management of acorn resources
Acorns were a traditional food of many
Indigenous peoples of the Americas peoples of North America, but served an especially important role in California, where the ranges of several species of oaks overlap, increasing the reliability of the resource.
Acorns, unlike many other plant foods, do not need to be eaten or processed right away, but may be stored for long time periods, such as what squirrels do. In years that oaks produced many acorns, Indigenous peoples of the Americas sometimes collected enough acorns to store for two years as insurance against poor acorn production years. After drying them in the sun to discourage mold and germination, Native American women took acorns back to their villages and cached them in hollow trees or structures on poles, to keep acorns safe from mice and squirrels. These acorns could be used as needed. Storage of acorns permitted Native American women to process acorns when convenient, particularly during winter months when other resources were scarce. Women's caloric contributions to the village increased when they stored acorns for later processing and focused on gathering or processing other resources available in the autumn.
Women shelled and pulverized those acorns that germinate in the fall before those that germinate in spring. Because of their high fat content, stored acorns can become rancid. Molds may also grow on them.
Native North Americans took an active and sophisticated role in management of acorn resources through the use of fire, which increased the production of acorns and made them easier to collect. The deliberate setting of light ground fires killed the larvae of acorn moths and acorn weevils that have the potential to infest and consume more than 95% of an oak's acorns, by burning them during their dormancy period in the soil. Fires released the nutrients bound in dead leaves and other plant debris into the soil, thus fertilizing oak trees while clearing the ground to make acorn collection faster and easier. Most North American oaks tolerate light fires, especially when consistent burning has eliminated woody fuel accumulation around their trunks. Consistent burning encouraged oak growth at the expense of other trees that are less tolerant of fire, thus keeping landscapes in a state in which oaks dominated. Since oaks produce more acorns when they are not in close competition with other oaks for sunlight, water and soil nutrients, eliminating young oaks more vulnerable to fire than old oaks created open oak savannahs with trees ideally spaced to maximize acorn production. Finally, frequent fires prevented accumulation of flammable debris, which reduced the risk of destructive canopy fires that destroyed oak trees. After a century during which North American landscapes have not been managed by
indigenous peoples, disastrous fires have ravaged crowded, fuel-laden forests. Land managers have realized that they can learn much from indigenous resource management techniques, such as
controlled burning, widely practiced by Native Americans to enhance such resources as acorns.
References and external links
- Baumhoff, Martin A. (1963) Ecological Determinants of Aboriginal California Populations. University of California Publications in American Archaeology and Etnology 49(2)155-235.
- Brown, Leland R. (1979) Insects Feeding on California Oak Treesin Proceedings of the Symposium on Multiple-Use Management of California's Hardwood Resources, Timothy Plum and Norman Pillsbury (eds.). Gen. Tech. Rep. PSW-44, USDA, Forest Service, Pac. S.W. Forest and Range Experiment Station, Berkeley, California, pp. 184-194.
- Janzen, Daniel H. (1971) Seed Predation by Animals in Annual Review of Ecology and Systematics. Richard F. Johnson, Peter W. Frank and Charles Michner (eds.).
- Nupa Acorn Soup (Miwokan recipe)
- Cooking With Acorns: A Major North American Indian Food
- Nutrition Facts for Acorn Flour
- How to whistle an acorn
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