TheThe benefits of Liquid Nitrogen Dosing benefits of Liquid Nitrogen Dosing t th b ttli lit th b ttli liat the bottling lineat the bottling line

Lee Cotten & Scott ShepardLee Cotten & Scott Shepard

Cryotech International, Inc.Cryotech International, Inc.

Manufacturer with service & Manufacturer with service & i t ll ti d t ti t ll ti d t tinstallation departmentinstallation departmentSpecializing in LNSpecializing in LN22 delivery systemsdelivery systems22

Offices in Campbell, S. California, Offices in Campbell, S. California, Albany PhilippinesAlbany PhilippinesAlbany, PhilippinesAlbany, PhilippinesRepresentatives in the UK, Australia, Representatives in the UK, Australia, N Z l d M i S th A iN Z l d M i S th A iNew Zealand, Mexico, South America, New Zealand, Mexico, South America, China, South Africa, IndiaChina, South Africa, IndiaEst. 1978, located in Campbell, Est. 1978, located in Campbell, CaliforniaCaliforniaCaliforniaCalifornia

What is this about?What is this about?

Screwcaps leave larger headspaceScrewcaps leave larger headspace

21% oxygen in headspace (air) will21% oxygen in headspace (air) will21% oxygen in headspace (air) will 21% oxygen in headspace (air) will disperse into winedisperse into wine

Oxygen will raise the dissolvedOxygen will raise the dissolvedOxygen will raise the dissolved Oxygen will raise the dissolved oxygen and deteriorate the wineoxygen and deteriorate the wine

What can be done?What can be done?

By using liquid nitrogen dosing, theBy using liquid nitrogen dosing, theBy using liquid nitrogen dosing, the By using liquid nitrogen dosing, the residual oxygen left in the headspace residual oxygen left in the headspace

can be reduced to as little as 5%can be reduced to as little as 5%can be reduced to as little as .5%can be reduced to as little as .5%(typically 1%(typically 1%--4%)4%)

--78% of the air we breath is nitrogen78% of the air we breath is nitrogen78% of the air we breath is nitrogen78% of the air we breath is nitrogen

Oxygen results Oxygen results (Constellation)(Constellation)

Oxygen Results Oxygen Results (Joel Gott)(Joel Gott)

Control 1 day 11 days 8 weeksControl 1 day 11 days 8 weeks

DO 0.28 0.20 0.94

No Dose

D ith LN2

DO 0.25 0.15 0.27

Dose with LN2

How about just using gas? How about just using gas?

Li S d 100 CPM d ll ti 4 5•Line Speed: 100 CPM, dwell time-4.5 sec

•Head Space: ~30 ml•Head Space: ~30 ml

•Head Space Oxygen with nitrogen gas: 10 – 13%p yg g g

•Head Space Oxygen with liquid nitrogen: 1.5 – 2.8 %

Marlborough Bottling, Renwick, NZ

How about using just gas? How about using just gas?

Unshaken BottleUnshaken Bottle-- .87 DO.87 DODO from fillerDO from filler

.87 DO.87 DO

Shaken BottleShaken Bottle 1 58 DO1 58 DO 81%81%Shaken BottleShaken Bottle--With gas purgeWith gas purge

1.58 DO1.58 DO 81% 81% increaseincrease

Shaken BottleShaken Bottle--With LN2 dosingWith LN2 dosing

.91 DO.91 DO 4.5% 4.5% increaseincrease

Cloudy Bay Sauvignon BlancCloudy Bay Sauvignon Blanc-- Marlborough Valley, NZ Marlborough Valley, NZ

How do we do it?How do we do it?

LN2 will turn into a gas when it LN2 will turn into a gas when it touches anything warmer thantouches anything warmer thantouches anything warmer than touches anything warmer than itself itself --320F 320F LN2 expands to gas 700 times itsLN2 expands to gas 700 times itsLN2 expands to gas 700 times its LN2 expands to gas 700 times its volumevolumeA d f LN2 i t th h dA d f LN2 i t th h dA drop of LN2 into the headspace A drop of LN2 into the headspace of a filled bottle will push the air of a filled bottle will push the air

l i l il i l iout leaving only nitrogen.out leaving only nitrogen.

Here’s a demonstration of Here’s a demonstration of how LN2 pushes the air outhow LN2 pushes the air outhow LN2 pushes the air out how LN2 pushes the air out of a wine bottle……………..of a wine bottle……………..o a e bott eo a e bott e

EquipmentEquipment--UltradoserUltradoser

TestimonialTestimonial

"In my opinion, the addition of your "In my opinion, the addition of your Cryotech liquid nitrogen dosing systemCryotech liquid nitrogen dosing systemCryotech liquid nitrogen dosing system Cryotech liquid nitrogen dosing system to the bottling line resulted in the to the bottling line resulted in the single most significant improvement in single most significant improvement in g gg gproduct quality during my 33 year product quality during my 33 year tenure.tenure. You can bet the ranch that a You can bet the ranch that a C t h t ill b thC t h t ill b thCryotech system will be on the Cryotech system will be on the equipment list of every bottling line I equipment list of every bottling line I spec "spec "spec.spec.

Chas Catherman, Former ViceChas Catherman, Former Vice--PresidentPresident of St. of St. Julian Wine CompanyJulian Wine CompanyJulian Wine CompanyJulian Wine Company

Thank you for attendingThank you for attendingy f gy f g

Cryotech International, Inc.Cryotech International, Inc.y ,y ,

Lee Cotten & Scott ShepardLee Cotten & Scott Shepard