T-REC NEWS 4 U: New Zealand

Blackcurrant Selandia Baru baik untuk otak--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

11.17

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Blackcurrant Selandia Baru  baik untuk otak

Date:

June 24, 2015

Source:

New Zealand Institute for Plant and Food Research

Summary:

Peneliti melaporkan, Selandia Baru blackcurrant  baik untuk menjaga  mental kita muda dan lincah , sebuah temuan yang bisa memiliki potensi dalam mengelola penurunan mental yang berhubungan dengan populasi penuaan , atau membantu orang dengan gangguan otak seperti penyakit Parkinson atau depresi .

........... Penelitian , yang dilakukan oleh para ilmuwan di Plant  & Food Research ( Selandia Baru ) bekerjasama dengan Northumbria University ( Inggris ) , menunjukkan bahwa senyawa yang ditemukan di Selandia Baru blackcurrant peningkatan indikator kinerja mental, seperti akurasi , perhatian dan suasana hati . Penelitian ini juga menunjukkan bahwa jus dari Selandia Baru blackcurrant kultivar tertentu, ' Blackadder ' , juga mengurangi aktivitas keluarga enzim yang disebut oksidase monoamine , yang mengatur konsentrasi serotonin dan dopamin di otak . Zat kimia ini diketahui mempengaruhi suasana hati dan kognisi , dan fokus untuk perawatan dari kedua gejala neurodegeneratif yang berhubungan dengan penyakit dan gangguan mood Parkinson , termasuk stres dan kecemasan ....more




New Zealand
blackcurrants good for the brain

Date:

June 24, 2015

Source:

New Zealand Institute for Plant and Food Research

Summary:

New Zealand blackcurrants are good for keeping us mentally young and agile,
researchers report, a finding that could have potential in managing the mental
decline associated with aging populations, or helping people with brain
disorders such as Parkinson's disease or depression.

.................

Research has shown that New Zealand blackcurrants are good for keeping us
mentally young and agile, a finding that could have potential in managing the
mental decline associated with aging populations, or helping people with brain
disorders such as Parkinson's disease or depression.

The research, conducted by scientists at Plant & Food Research (New
Zealand) in collaboration with Northumbria University (UK), showed that
compounds found in New Zealand blackcurrants increased mental performance
indicators, such as accuracy, attention and mood. The study also showed that
juice from a specific New Zealand blackcurrant cultivar, 'Blackadder', also
reduced the activity of a family of enzymes called monoamine oxidases, which
regulate serotonin and dopamine concentrations in the brain. These chemicals
are known to affect mood and cognition, and are the focus for treatments of
both neurodegenerative symptoms associated with Parkinson's disease and mood
disorders, including stress and anxiety.

Results of the research have been published online in theJournal of
Functional Foods.

"This study is the first to look at the effects of berry consumption
on the cognitive performance of healthy young adults," says Dr. Arjan
Scheepens, the Plant & Food Research scientist who led the study. "Our
previous research has suggested that compounds found in certain berryfruit may
act like monoamine oxidase inhibitors, similar to a class of pharmaceuticals
commonly used in the treatment of both mood disorders and neurodegenerative
diseases like Parkinson's disease. This research has shown that New
Zealand-grown blackcurrants not only increase mental performance, but also
reduce the activity of monoamine oxidases."

"One of the key trends in the food industry is the development of
ingredients and foods that have beneficial effects on human health," says
professor Roger Hurst, Science Group Leader Food & Wellness at Plant &
Food Research. "Understanding what, and how, foods affect mental
performance could lead to the development of new foods designed for populations
or situations where mental performance or mental decline is a factor, such as
older people or those suffering from stress, anxiety or other mood disorders.
This research shows how New Zealand blackcurrants can potentially add value,
both for the food industry and for people looking for foods that naturally support
their own health aspirations."

Participants in the study -- 36 healthy adults aged between 18 and 35 years
-- consumed a 250ml drink prior to conducting a set of demanding mental
performance assessments. The participants consumed either a sugar and taste-matched
placebo (no blackcurrant), an anthocyanin-enriched New Zealand blackcurrant
extract (Delcyan™ from Just the Berries) or a cold-pressed juice from the New
Zealand blackcurrant cultivar 'Blackadder', bred by Plant & Food Research.
The assessments showed that after consuming the Delcyan™ and 'Blackadder'
drinks, attention and mood were improved while mental fatigue was reduced. In
addition, blood tests showed that the activity of the monoamine oxidase enzymes
(MAO) was strongly decreased after consuming the 'Blackadder' juice, indicating
the potential for compounds found in 'Blackadder' blackcurrants as a functional
food ingredient to support brain health or managing the symptoms of disorders
like Parkinson's disease.







Story Source:

The above post is reprinted from materials provided
by New Zealand Institute for Plant and Food Research. Note:
Materials may be edited for content and length.







Journal Reference:

1.   
Anthony W. Watson, Crystal F. Haskell-Ramsay, David O. Kennedy, Janine M.
Cooney, Tania Trower, Arjan Scheepens. Acute supplementation with
blackcurrant extracts modulates cognitive functioning and inhibits monoamine
oxidase-B in healthy young adults. Journal of Functional Foods,
2015; 17: 524 DOI:10.1016/j.jff.2015.06.005

http://www.sciencedaily.com/releases/2015/06/150624105944.htm

Fosil kelelawar besar ' berjalan ' ditemukan di Selandia Baru--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

08.39

New Zealand

Fosil kelelawar besar ' berjalan '  ditemukan di Selandia Baru

16 juta tahun yang lalu, kelelawar besar berjalan dengan empat kaki

Date:

June 17, 2015

Source:

University of New South Wales

Summary:

Fosil dari spesies kelelawar baru , yang hidup 16 juta tahun yang lalu , berjalan dengan empat kaki dan tiga kali lebih besar dari rata-rata kelelawar sekarang  , telah ditemukan di Selandia Baru .....more




Fossil of huge
'walking' bat discovered in New Zealand

16 million years ago, giant bats walked on four limbs

Date:

June 17, 2015

Source:

University of New South Wales

Summary:

Fossilized remains of a new bat species, which lived 16 million years ago, walked
on four limbs and was three times larger than today's average bat, have been
discovered in New Zealand.

.............................

Fossilised remains of a new bat species, which lived 16 million years ago,
walked on four limbs and was three times larger than today's average bat, have
been discovered in New Zealand.

The fossils were found near Central Otago on South Island, in sediment left
over from a vast prehistoric body of water known as Lake Manuherikia, which was
part of warmer subtropical rainforest during the early Miocene era, between 16
and 19-million-years-ago.

The new species, Mystacina miocenalis, was described today in
the journal PLOS ONE, and is related to another bat, Mystacina
tuberculata, which still lives in New Zealand's old growth forests.

"Our discovery shows for the first time that Mystacina bats
have been present in New Zealand for upwards of 16 million years, residing in
habitats with very similar plant life and food sources," says lead author
and vertebrate palaeontologist, Associate Professor Suzanne Hand from the
University of New South Wales (UNSW) in Australia.

New Zealand's only native terrestrial mammals are three species of bat,
including two belonging to the Mystacina genus -- one of which
was last sighted in the 1960s. They are known as burrowing bats because they
forage on the ground under leaf-litter and snow, as well as in the air,
scuttling on their wrists and backward-facing feet, while keeping their wings
tightly furled.

These bats were believed to have an ancient history in New Zealand, but
until now, the oldest fossil of a Mystacina bat in New Zealand
was from a cave in South Island, dating to 17,500 years ago. This latest
discovery forces a rethink of when these peculiar, walking bats first crossed
the ditch, arriving from what is present-day Australia.

"This helps us understand the capacity of bats to establish
populations on islands and the climatic conditions required for this to
happen," says Associate Professor Hand.

"Bats are important pollinators and seed dispersers that keep forests
healthy. Understanding the connectivity between the bat faunas of different
landmasses is important for evaluating biosecurity threats and conservation
priorities for fragile island ecosystems."

The new species has similar teeth to its contemporary relative, suggesting
a broad diet that included nectar, pollen and fruit, as well as insects and
spiders. Limb bones found in the deposit also showed similar structures
specialised for walking.

Where they differ is body size: at an estimated 40 grams, the fossil bat is
roughly three times heavier than its living cousin, and the average weight of
more than 900 living bat species.

"The size of bats is physically constrained by the demands of flight
and echolocation, as you need to be small, quick and accurate to chase insects
in the dark," explains Associate Professor Hand. "The unusually large
size of this bat suggests it was doing less in-flight hunting and was taking
heavier prey from the ground, and larger fruit than even its living
cousin."

The team also found a diverse array of plant, animal and insect fossils at
the site, which shows that the 16-million-year-old subtropical ecosystem bore
resemblance to the more temperate one that exists today.

"Remarkably, the Miocene ecosystems associated with the fossil bat
contain the kinds of trees used today by Mystacina for its
colonial roosts," says Associate Professor Hand. "Most of its food
plants are also represented, as are terrestrial arthropods including a variety
of beetles, ants and spiders, which these bats continue to hunt on the
ground."

The Lake Manuherikia site has been a treasure trove for palaeontologists
over the years, producing New Zealand's oldest frogs, lizards and land birds,
as well as its only crocodiles and terrestrial turtles.

Associate Professor Hand led the research along with Associate Professor
Daphne Lee from the University of Otago, and Dr Trevor Worthy from Flinders
University in South Australia.







Story Source:

The above post is reprinted from materials provided byUniversity
of New South Wales. Note: Materials may be edited for content
and length.







Journal Reference:

1.   
Suzanne J. Hand, Daphne E. Lee, Trevor H. Worthy, Michael Archer, Jennifer
P. Worthy, Alan J. D. Tennyson, Steven W. Salisbury, R. Paul Scofield, Dallas
C. Mildenhall, Elizabeth M. Kennedy, Jon K. Lindqvist. Miocene Fossils
Reveal Ancient Roots for New Zealand’s Endemic Mystacina (Chiroptera) and Its
Rainforest Habitat.PLOS ONE, 17 Jun 2015 DOI:10.1371/journal.pone.0128871

http://www.sciencedaily.com/releases/2015/06/150617144437.htm

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Blackcurrant Selandia Baru baik untuk otak--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

Fosil kelelawar besar ' berjalan ' ditemukan di Selandia Baru--T-REC-komunitas reptil-semarang--KSE-komunitas satwa eksotik

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