Posts tonen met het label buried. Alle posts tonen
Posts tonen met het label buried. Alle posts tonen

donderdag 27 maart 2014

World's Oldest Cheese Revealed On 3,500-Year-Old Chinese Mummies Buried In The Fearsome Taklamakan Desert


MessageToEagle.com - Scientists have analyzed the bodies of a group of Bronze Age people who were buried in the mysterious Taklamakan Desert and found evidence of cheese dating back to 1,615 BC.
No ever has such an old discovery of cheese been made.
USA Today reports that "the world's best-aged cheese seems to be a lactose-free variety that was quick and convenient to make and may have played a role in the spread of herding and dairying across Asia.
"We not only identified the product as the earliest known cheese, but we also have direct … evidence of ancient technology," says study author Andrej Shevchenko, an analytical chemist at Germany's Max Planck Institute of Molecular Cell Biology and Genetics. The method was "easy, cheap … It's a technology for the common people."
The cheese, like the mummies, owes its existence to the extraordinary conditions at Small River Cemetery Number 5, in northwestern China.
First documented by a Swedish archaeologist in the 1930s, it sits in the fearsome Taklamakan Desert, one of the world's largest.

Lumps of cheese, shown with arrowheads, were collected from the neck and chest of a female mummy known as the "Beauty of Xiaohe." Inset shows an enlarged view of a cheese lump. Credit:Yimin Yang and Yusheng Liu

A mysterious Bronze Age people buried dozens of their own atop a large sand dune near a now-dry river, interring their kin underneath what looks like large wooden boats. The boats were wrapped so snugly with cowhide that it's as if they'd been "vacuum-packed," Shevchenko says.

The combination of dry desert air and salty soil prevented decay to an extraordinary degree. The remains and grave goods were freeze-dried, preserving the light-brown hair and strangely non-Asian facial features of the dead along with their felt hats, wool capes and leather boots.
Analysis of the plant seeds and animal tissues in the tombs showed the burials date to 1450 to 1650 BC.



Some of the bodies had oddly shaped crumbs on their necks and chests.By analyzing the proteins and fats in these clumps, Shevchenko and his colleagues determined that they're definitely cheese, not butter or milk.
It's not clear why people were buried with bits of cheese on their bodies, Shevchenko says, though perhaps it was food for the afterlife.
The analysis also showed the mummies' cheese was made by combining milk with a "starter," a mix of bacteria and yeast.

This technique is still used today to make kefir, a sour, slightly effervescent dairy beverage, and kefir cheese, similar to cottage cheese.
If the people of the cemetery did indeed rely on a kefir starter to make cheese, they were contradicting the conventional wisdom.
Most cheese today is made not with a kefir starter but with rennet, a substance from the guts of a calf, lamb or kid that curdles milk. Cheese was supposedly invented by accident when humans began carrying milk in bags made of animal gut.

 Two hundred mummies were discovered in the 1930s by a Swedish archaeologist in the Taklimakan Desert north of Tibet.

Making cheese with rennet requires the killing of a young animal, Shevchenko points out, and the kefir method does not.



Click on image to enlarge
He argues that the ease and low cost of the kefir method would have helped drive the spread of herding throughout Asia from its origins in the Middle East.
Even better, both kefir and kefir cheese are low in lactose, making them edible for the lactose-intolerant inhabitants of Asia. The new results are reported in an upcoming issue of the Journal of Archaeological Science.

The people died around 3,600 years ago but their bodies were preserved because of the air-tight nature of their unusual graves and salty soil.

Scientists have found fragments of cheese-making strainers in Poland that date back more than 7,000 years, and there are Danish pots from 5,000 years ago that hold what may be butter or cheese, says bioarchaeologist Oliver Craig of the University of York in Britain. But he agrees that Shevchenko's team has good evidence that their cheese is the record-holder for age.

Craig is more cautious about the new study's suggestion that the cheese was made with kefir starter rather than rennet. That's harder to prove, he says, because the proteins could have decayed too much to provide a definitive answer. He thinks a study of animal bones or pottery is needed to confirm that the cheese at the cemetery was part of a technological spread across Asia.
Whether the cheese was common in its day, it's exceptional now. Usually if a dairy product is left to its own devices, "bacteria will get in and start to eat it away, liquefy it," Craig says. "It's just amazing it survived."

Some of the mummies (pictured) were found to have unusual crumbs on their necks and chest which are now known to ancient cheese. They were preserved - complete with their felt hats - die to the dry conditions of their desert burial Image credit: Wang da Gang

Criag says that fragments of cheese-making strainers in Poland, dating back more than 7,000 years, and 5,000-year-old cheese making tools have previously been discovered in Denmark, but no crumbs of ancient cheese as old as that found with the mummies have been recovered before.

It is an extraordinary discovery.
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maandag 17 maart 2014

4,000-year-old Dartmoor burial find rewrites British bronze age history

Stone box contains earliest examples of wood-turning and metal-working, along with Baltic amber and what may be bear skin
Dartmoor discovery


















Parts of a necklace and wooden ear studs found on Dartmoor
Some 4,000 years ago a young woman's cremated bones – charred scraps of her shroud and the wood from her funeral pyre still clinging to them – was carefully wrapped in a fur along with her most valuable possessions, packed into a basket, and carried up to one of the highest and most exposed spots on Dartmoor, where they were buried in a small stone box covered by a mound of peat.
The discovery of her remains is rewriting the history of the bronze age moor. The bundle contained a treasury of unique objects: a tin bead and 34 tin studs, which are the earliest evidence of metal-working in the south-west; textiles, including a unique nettle fibre belt with a leather fringe; jewellery, including amber from the Baltic and shale from Whitby; and wooden ear studs, which are the earliest examples of wood turning ever found in Britain.
The site chosen for her grave was no accident. At 600 metres above sea level, White Horse hill is so remote that getting there even today is a 45-minute walk across heather and bog, after a half-hour drive up a military track from the nearest road. The closest known prehistoric habitation site is far down in the valley below, near the grave of the former poet laureate Ted Hughes.
Analysing and interpreting one of the most intriguing burials ever found in Britain is now occupying scientists across several continents. A BBC documentary, Mystery of the Moor, was first intended only for local broadcast, but as the scale of the find became clear, it will now be shown nationally on BBC2 on 9 March.
Dartmoor siteThe site of the find on White Horse hill
Scientists in Britain, Denmark and the Smithsonian in the US have been working on the fur. It is not dog, wolf, deer, horse or sheep, but may be a bear skin, from a species that became extinct in Britain at least 1,000 years ago.
"I am consumed with excitement about this find. I never expected to see anything like it in my lifetime," Jane Marchand, chief archaeologist at the Dartmoor National Park Authority said. "The last Dartmoor burial with grave goods was back in the days of the Victorian gentleman antiquarians. This is the first scientifically excavated burial on the moor, and the most significant ever."
It has not yet been possible definitively to identify the sex of the fragmented charred bones, though they suggest a slight individual aged between 15 and 25 years.
"I shouldn't really say her – but given the nature of the objects, and the fact that there is no dagger or other weapon of any kind, such as we know were found in other burials from the period, I personally have no doubt that this was a young woman," Marchand said. "Any one of the artefacts would make the find remarkable."
Although Dartmoor is speckled with prehistoric monuments, including standing stones, stone rows, and hundreds of circular hut sites, very few prehistoric burials of any kind have been found. What gives the White Horse hill international importance is the survival of so much organic material, which usually disintegrates without trace in the acid soil.
Dartmoor woven bagA woven bag found at the site
Apart from the basket, this burial had the belt; the ear studs – identical to those on sale in many goth shops – made from spindle wood, a hard fine-grained wood often used for knitting needles, from trees which still grow on the lower slopes of Dartmoor; and the unique arm band, plaited from cowhair and originally studded with 34 tin beads that would have shone like silver. There were even charred scraps of textile that may be the remains of a shroud, and fragments of charcoal from the funeral pyre.
Although tin – essential for making bronze – from Cornwall and Devon became famous across the ancient world, there was no previous evidence of smelting from such an early date. The necklace, which included amber from the Baltic, had a large tin bead made from part of an ingot beaten flat and then rolled. Although research continues, the archaeologists are convinced it was made locally.
The cist, a stone box, was first spotted more than a decade ago by a walker on Duchy of Cornwall land, when an end slab collapsed as the peat mound that had sheltered it for 4,000 years was gradually washed away. However, it was only excavated three years ago when archaeologists realised the site was eroding so fast any possible contents would inevitably soon be lost. It was only when they lifted the top slab that the scale of the discovery became apparent. The fur and the basket were a wet blackened sludgy mess, but through it they could see beads and other objects. "As we carefully lifted the bundle a bead fell out – and I knew immediately we had something extraordinary," Marchand said. "Previously we had eight beads from Dartmoor; now we have 200."
The contents were taken to the Wiltshire conservation laboratory, where the basket alone took a year's work to clean, freeze dry, and have its contents removed. The empty cist was reconstructed on the site. However, this winter's storms have done so much damage the archaeologists are now debating whether they will have to move the stones or leave them to inevitable disintegration.
The jewellery and other conserved artefacts will feature in an exhibition later this year at Plymouth city museum, but although work continues on her bones, it is unlikely to answer the mystery of who she was, how she died, and why at such a young age she merited a burial fit for a queen.

http://m.disclose.tv/news/Prehistoric_gravesite_could_challenge_our_assumptions_about_the_history_of_Bronze_Age/100908#DTV