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IIR document

Seed conservation under –196°C in liquid nitrogen. The use of paper tubes for seed cryopreservation.

• Author(s) : ARAPETYAN E., USANTENKO Y., BODNAR L., et al.
• Publication date: 2014/04/07
• Languages : English
• Keywords : Liquid nitrogen, Tube, Paper, Seed, Expérimentation, Cryopreservation
• Source: Cryogenics 2014. Proceedings of the 13^th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
• Formats : PDF

IIR document

Using liquid nitrogen for conifer plant seed conservation.

• Author(s) : ARAPETIAN E., USATENKO Y., SCHERBINA M.
• Publication date: 2017/05/15
• Languages : English
• Keywords : Tree (plant), Germination, Liquid nitrogen, Seed, Expérimentation, Cryopreservation
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

IIR document

Generation of gamma-aminobutyric acid (GABA) in soybean by freezing and subsequent storage.

• Author(s) : UENO S., IRYO N., SASAO S., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Thawing, Cell, Soya, Seed, Destruction, Freezing
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Grape seed and clove bud extracts as natural antioxidants in silver carp (Hypophthalmichthys molitrix) fillets during chilled storage: effect on lipid and protein oxidation.

• Author(s) : SHI C., CUI J., YING X., et al.
• Publication date: 2014/06
• Languages : English
• Keywords : Oxidation, Carp, Lipid, Grape, Antioxidant, Protein, Seed, Cold storage
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 40

Researches on the optimal process of heat pump intermittent drying.

[In Chinese. / En chinois.]

• Author(s) : ZHAO H., YANG Z., ZHU Z.
• Publication date: 2014/12
• Languages : Chinese
• Keywords : Cabbage, Simulation, Drying, Heat pump, Performance, Optimization, Seed
• Source: Journal of Refrigeration - vol. 35 - n. 160
• Formats : PDF

IIR document

Effects of ice seeding temperature on intracellular freezing of cells.

• Author(s) : WANG Y., ZHU K.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Recommended by the IIR / IIR document

Liquid nitrogen and preservation of genetic material of biological origin. Historical overview.

• Author(s) : ARAPETYAN E.
• Publication date: 2021/10/05
• Languages : English
• Keywords : Liquid nitrogen, Genetics, Biological material, Biodiversity, Seed, Preservation, Cryobank, History
• Source: Cryogenics 2021 online. Proceedings of the 16^th IIR International Conference, October 5-7, 2021.
• Formats : PDF

Recommended by the IIR / IIR document

Cryconservation of plants in Ukraine.

• Author(s) : ARAPETYAN E.
• Publication date: 2023/04/25
• Languages : English
• Keywords : Ukraine, Cryopreservation, Liquid nitrogen, Flower, Seed, Cryobank, Plant (botany), Case study
• Source: Cryogenics 2023. Proceedings of the 17^th IIR International Conference, Dresden, Germany, april 25-28 2023
• Formats : PDF

Recommended by the IIR

Overwinter storage of European beech and Norway spruce planting stock: effect of different methods and temperature conditions.

• Author(s) : PANTOVÁ P., HOUŠKOVÁ K., MAUER O.
• Publication date: 2021/09
• Languages : English
• Source: Forests - vol. 12 - n. 9
• Formats : PDF

IIR document

Quality changes in Pteridium aquilinum and the root of Platycodon grandiflorum frozen under different conditions.

• Author(s) : PARK S. J., MIJAN M. al, SONG K. B.
• Publication date: 2014/07
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 43
• Formats : PDF

IIR document

Changes in the content of low molecular weight carbohydrates in frozen immature bean seeds depending on type and method of processing prior to freezing.

• Author(s) : SLUPSKI J., KORUS A.
• Publication date: 2014/07
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 43
• Formats : PDF

Estudio experimental de la deshidratación de la flor de Jamaica (Hibiscus sabdariffa), utilizando secado solar directo tipo gabinete e indirecto tipo tunel.

Experimental investigation on the jamaican flower (Hibiscus Sabdariffa) dehydration, using cabinet type direct and tunnel type indirect solar desiccation.

• Author(s) : LÓPEZ-VIDAÑA E. C., MARTÍNEZ TEJEDA F. I., PILATOWSKY FIGUEROA I.
• Publication date: 2016/05/03
• Languages : Portuguese
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

IIR document

Experimental measurements of the pressure drop loss coefficient for vent configurations of packaging designed for air cooling of horticultural products.

• Author(s) : TAPIA N. I., LOVE R. J., NOWAK E., et al.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Dynamic models of fresh-cut spinach in different cold storage temperature.

[In Chinese. / En chinois.]

• Author(s) : WANG C., LIU B., GONG Y., et al.
• Publication date: 2015/12
• Languages : Chinese
• Source: Journal of Refrigeration - vol. 36 - n. 166
• Formats : PDF

IIR document

Investigating the ice crystal morphology in frozen cooked rice based on size, fractal dimension and ANN modeling.

• Author(s) : KONO S., TOBARI Y., ARAKI T., et al.
• Publication date: 2017/12
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 84
• Formats : PDF

Cold storage of evergreen seedlings affected by global warming

Due to global warming, conifer seedlings are more often exposed to desiccation during snow-free winters. Overwinter cold storage allows to improve their survival, provided that...

• Publication date : 2022/05/23
• Subjects: Technology, Environment

Liquid crystal technology speeds up foodborne pathogen detection

Crystal Diagnostics has pioneered liquid-crystal technology that enables smart fast detection of bacteria and other dangerous pathogens such as E. coli in foodstuffs.

• Publication date : 2012/02/28

Study finds ice cream colder that it needs to be

Recent research suggests that ice cream manufacturers could use higher temperatures in their freezers and save energy without harming product quality Writing in the Journal of Dairy Science, researchers at South Dakota State University in the...

• Publication date : 2011/08/16

GL2012 highlights: technologies needed in order to raise uptake of natural refrigerants

Prof. Pega Hrnjak presented technologies that could advance the position of major natural refrigerants at the 2012 Gustav Lorentzen Conference on Natural Refrigerants. He claims that hydrocarbons, ammonia and CO2 could become strong contenders for...

• Publication date : 2012/12/21

Refrigeration innovations for the avocado market

The booming global avocado market calls for increasing standards of quality. Refrigeration technologies offer cutting-edge solutions for fruit ripening and seed preservation for future crops.

• Publication date : 2020/10/22

MAC Directive: EC issues proceedings against Germany

The European Commission has issued an infringement notice against Germany for failing to enforce the MAC Directive.

• Publication date : 2014/02/13

ECOFRIDGES in Ghana: positive feedback from beneficiaries

A recent video updates on the ECOFRIDGES GO programme in Ghana, implemented by the Basel Agency for Sustainable Energy (BASE), UNEP’s United for Efficiency (U4E) initiative and the...

• Publication date : 2022/08/29
• Subjects: Developing country

8 countries may exceed US in air-conditioning use

If the rest of the world adopts the same AC usage patterns found in the US, 8 developing countries have the potential to surpass the American yardstick of high air-conditioning use.

• Publication date : 2014/04/01

R290 AC sales in India exceed 100,000 units

Godrej & Boyce Manufacturing started the production of India’s first commercially available R290 split air conditioners in March 2012.

• Publication date : 2015/05/26

EU F-Gas review: feedbacks on the preliminary findings of the evaluation study

The preliminary evaluation report submitted in May at the request of the European Commission by Öko-Recherche and Ricardo raised some questions. 

• Publication date : 2021/06/28
• Subjects: Regulation, HFCs alternatives

Prehistoric flower from the permafrost blooms again

A team of scientists has reportedly resurrected seeds of a 30 000-years-old variety of Silene stenophylla.

• Publication date : 2012/06/18

A Refrigerated Noah’s ark

Svalbard Global Seed Vault, on the Norwegian island of Spitzbergen, which has officially opened on February 26, 2008, is designed to be a fail-safe repository for the world's food crops. It has the capacity to store up to 4.5 million seed samples...

• Publication date : 2008/02/12

Is that watermelon too big for your fridge?

Producers have caught on to the fact that most European consumers can't fit 6 kg watermelons in their fridges. Solinda, a miniature watermelon variety, has been launched in the UK. It has no black pips, weighs a mere kilo or two and has been bred...

• Publication date : 2005/07/19

Upsurge for mango market

A new technology cooperation agreement between Blue Star Limited, India and Fruit Control Equipments, SRL, Italy, along with research organisations in India is set to sow the seeds for an expanding controlled atmosphere technology market over the...

• Publication date : 2005/09/30

Cryogenics 2021 highlights: applications of liquid nitrogen

Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...

• Publication date : 2022/01/28

New IIR publication: Proceedings

The proceedings (CD-ROM) of the IIR Compressors 2004 conference held in Casta Papiernicka, Slovakia, on September 29-October 1, 2004 contains 41 papers. It also contains 27 papers presented at the previous event in the series, Compressors 2001,...

• Publication date : 2005/02/11

CYTEF 2012 proceedings in Fridoc database!

The IIR has added to Fridoc the proceedings of CYTEF 2012 (VI Congreso Ibérico y IV Congreso Iberoamericano de Ciencias y Técnicas del Frío) organized by the Sociedad Española de Ciencias y Técnicas del Frío in February 2012 to Fridoc.

• Publication date : 2012/10/24

New publications: The CD-ROM proceedings of the Vicenza IIR Conferences

The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...

• Publication date : 2006/01/28

The proceedings CD-ROM of the 3rd IIR Workshop on Refrigerant Charge Reduction in Valencia are on sale!

The proceedings CD-ROM comprising 8 plenary presentations, 13 papers, and 2 industrial PowerPoint presentations are on sale on the IIR's Web site (Publications/Bookshop section)

• Publication date : 2013/02/21

New publications: The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature

The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature held in Montreux, Switzerland, are now available. They comprise 4 keynote presentations, 20 papers on materials (gadolinium and its...

• Publication date : 2006/01/28

Chillventa 2018 - Speed Networking event

The IIR working group CaRe (Careers in Refrigeration), the European Partnership for Energy and the Environment (EPEE) and the Karlsruhe university carried out the first speed networking event at Chillventa in...

• Publication date : 2018/10/18

Frisbee project: We need your input !

The IIR is involved in a European Union-funded project called FRISBEE (Food Refrigeration Innovations for Safety, consumers Benefit, Environmental impact and Energy optimization along the cold chain in Europe). Currently, one of the most important...

• Publication date : 2011/02/16

FRISBEE project: We need your input!

The IIR is involved in a European Union-funded project called FRISBEE (Food Refrigeration Innovations for Safety, consumers Benefit, Environmental impact and Energy optimization along the cold chain in Europe). Currently, one of the most important...

• Publication date : 2011/02/16

New IIR publication: Serving the Needs of Mankind: a History of Refrigeration

This 40-minute DVD produced for the 21 st IIR International Congress of Refrigeration held in Washington DC in August 2003 retraces the history of refrigeration from prehistoric times to today and touches on future challenges and potential...

• Publication date : 2005/06/14

Now available : 2023 IIR Congress proceedings

Download your copy of the ICR 2023 proceedings. IIR members can download them at reduced rate.

• Publication date : 2023/10/24

Now available: ICCC 2018 conference papers and proceedings

Couldn't attend the 5th IIR Conference on Sustainability and the Cold Chain (ICCC 2018) in Beijing, China, last month? Download the conference proceedings and papers.

• Publication date : 2018/05/18

FRIDOC: Our conference proceedings at very advantageous rate for members!

From March 1, the price of IIR conference proceedings will increase, but members will benefit from a very attractive discount! 

• Publication date : 2023/02/17

Now available: IIR-Gustav Lorentzen Conference Papers

Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!

• Publication date : 2021/01/19
• Subjects: Technology, Environment

Discover the new IIR Publications Catalogue!

Available in print and PDF version, in the IIR 2016/2017 Publications Catalogue you will find our latest and staple publications (including IIR conference proceedings), reference documents, and a list of all our Information Services.

• Publication date : 2016/06/22

Now available: IIR Congress papers 2019

Download your copy of the ICR 2019 proceedings. Over 630 technical papers are available!

• Publication date : 2020/05/05

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : French, English
• Themes : HFCs

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

For IIR members only

Global cold storage capacity

This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).

• Last update : 2021/12/06
• Langues : English
• Themes : Refrigerated storage: economics and statistics

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information