411112015
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`Experiments on the use of alcohol vapours to suppress the sprouting of stored potatoes - Sprirger
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`European Potato Journal
`March 1958, Volume 1, Issue 1, pp 42-51
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`Experiments on the use of alcohol vapours to suppress the sprouting of stored potatoes
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`Summary
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`The suppression of sprouting in stored potatoes by ventilating them with growth inhibiting vapours offers several advantages over the usual dusting
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`methods. It is essential that the rate of ventilation with the air stream containing the vapour should be sufficiently rapid to prevent excessive dilution of
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`the vapour with convective air. A rate of 100 to 150 litres per minute per 1000 kg of potatoes is suggested. To increase the rate above 150 litres per
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`minute per 1000 kg is wasteful.
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`Nonyl alcohol vapour at a concentration of 0.05 to 0.12 mg per litre of ventilating air has prevented sprout growth in bulks up to 165 metric tons
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`without impairing the cooking quality of the potatoes.
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`The total cost of such a method in commercial use would be about 4 shillings (English money) per 1000 kg. It is essential that the treatment should be
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`started as soon as the first signs of bud enlargement are observed on the potatoes on the top of the stack. Delay until the sprouts are an appreciable size
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`may result in damage to the tubers with a potential danger of rotting.
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`Zusammenfassung
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`Die Keimungsunterdriickung gelagerter Kartoffeln durch Ventilierung mit wachstumshemmenden gasfbrmigen Stoffen zeigt verschiedene Vorteile im
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`Vergleich zu den ublichen Staubemethoden. Es ist wesentlich, dass die Geschwindigkeit des Ventilationsstromes, der die Gase enthalt, gross genug ist,
`um ubermassige Verdunnung dieser Gase mit Konvektionsluft zu verhindem. Eine Geschwindigkeit von 100 bis 150 l je Minute je 1000 kg is
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`wi'mschenswert. Eine Erhohung dieser Geschwindigkeit fiber 150 l je Minute je 1000 kg ist Verschwendung.
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`Nonylalkohol-Dampfe in Konzentrationen von 0.05 bis 0.12 mg je Liter Ventilationsluft verhindem Sprossung in Lagerungen bis zu 165 Tonnen ohne
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`Verminderung der Kochqualitat der Kartoffeln. Die Gesamtkosten einer solchen Behandlung auf kommerzieller Basis waren bei den zurzeit geltenden
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`Preisen ungefahr 4 Shillinge (Englisches Geld) je 1000 kg.
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`Es ist wesentlich, mit der Behandlung zu beginnen sobald die ersten Anzeichen von Knospenschwellung an den Kartoffeln zu oberst im Lagervorrat
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`beobachtet werden. Eine Verzogerung der Behandlung, bis die Sprossen eine ansehnliche Grésse erreicht haben, kann zur Beschadigung der Knollen
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`fuhren und bringt die Gefahr der Faule mit sich.
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`Resume
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`La repression de la germination de pommes de terre entreposécs par aeration a l'aide de retardateurs de croissance gazeux présente plusieurs avantages
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`en comparaison des méthodes ab ase de poudre généralement appliquécs. Il importe que la rapidité du courant d'aération dans lequel sont contenus les
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`gaz, soit assez grande afin d'éviter une dilution excessive de ces gaz avec des courants de convection. Une rapidité de 100 a 150 litres par minute par
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`1000 kg parait recommandable. Une augmentation de cette vitesse de'passant les 150 litres par minute par 1000 kg serait du gaspillage pur.
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`Des vapeurs d'alcool nonylique, introduits en concentrations de 0,05 a 0,12 mg par litre d'air d'ae'ration empéchent la formation de pousses dans des
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`unites de stockage de 165 tonnes au maximum, sans detorier 1a qualite’ culinaire des pommes de terre a la cuisson. Le total des frais d'un traitement
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`pareil a base commerciale se chiffrait devant les prix actuellement en vigueur a environ 4 sh (monnaie anglaise) par 1000 kg.
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`Les stocks doivent étre traités, sitot que s'annoncent les premiers indices de grossissement des boutons des pommes de terre logées dans les couches
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`supérieures du tas. Lorsqu'on traite les pousses au moment on elles ont déja atteint une grossuer appreciable, on risque d'avarier les tubercules, ce qui
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`rendra 1e danger du pourriture beaucoup plus grave.
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`Received for publication 7 Dec. 1957.
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`References (17)
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`Experiments on the use of alcohol vapours to suppress the sprouting of stored potatoes - Springer
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`. Barker, J. (1934) Sprouting in clamped potatoesRep. Food Invest. Bd., Land. for I933, 80.
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`Brown, W. (1947) Experiments on the effect of chlorinated nitrobenzenes on the sprouting of potato tubers. Ann. appl. Biol. 34: pp. 422-
`422
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`. Brown, W., Reavill, M. J. (1954) Effect of tetrachlornitrobenzene on the sprouting and cropping of potatoes. Ann. appl. Biol. 41: pp. 435-
`435
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`BuIton, W. G. (1952) Studies on the dormancy and sprouting of potatoes. III. The effect upon sprouting of volatile metabolic products
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`other than carbon dioxide. New Phytol. 51: pp. 154-154
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`. Burton, W. G. (1956) Suppression of the sprouting of potatoes by the vapour of alcohols. Nature, Lond. 178: pp. 218-218
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`Burton, W. G., Mann, G., Wager, H. G. (1955) The storage of ware potatoes in permanent buildings. II. The temperature of unventilated
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`stacks ofpotatocs. J. agric. Sci. 46: pp. 150-150
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`Elmer, O. H. (1932) Growth inhibition of potato sprouts by the volatile products of apples. Sci. 75: pp. 193-193
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`Furlong, C. R. (1948) Summer potato storage in clamp and cool store. J. Min. Agric. 55: pp. 81-81
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`Guthrie, J. D. (1939) Inhibition of the growth of buds of potato tubers with the vapor of the methyl ester of naphthaleneacetic acid. Contr.
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`Boyce Thompson Inst. 10: pp. 325-325
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`10, Huelin, F. E. (1933) Effects of ethylene and of apple vapours on the sprouting of potatoesRep. Food Invest. Bd., Land. for 1932, 51,
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`11. Luckwill, L. C. (1949) The suppression of sprouting in ware potatoes,Rep. agric. hart. Res. Sta, Long Ashton, Bristol, for I948, 124.
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`12. Mitchell, J. W. and P. C. Marth ( 1947) Growth Regulators for Garden, Field and Orchard. Univ. Chicago Press. Pp. 129.
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`13. Ophuis, B. G. (1956) Moderne luchtgekoelde aardappelbewaarplaatsen. Landb. Mech. 7: pp. 72-72
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`14. Rhodes, A. W., Sexton, A., Spencer, L. G., Templeman, W. G. (1950) Use ofiso-propylphenyl-carbamate to reduce sprouting of potato
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`tubers during storage. Research Lond. 3: pp. 189-189
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`15. Stuivenberg, J. H. M., Veldstra, H. (1942) De practische toepassing van remming der spruitvorming bij aardappelen door behandeling met
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`groeistoffen in dampvorm. Landbouwk. T. 54: pp. 611-611
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`16. Wager, H. G., Burton, W. G., Mann, G. (1952) The storage of ware potatoes in permanent buildings. 1. Storage in bins in an uninsulated
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`store, 1946—7. J. Agric. Sci. 42: pp. 266-266
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`17, Wegner, H. (1949) Uber die mit Wasserdampf flitchtigen Geruchs- und Geschmacksstoffe der Kartoffel. Z. Lebensmitt.-Untersuch. u.-
`Forsch. 89: pp. 140-140
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`About this Article
`
`Title
`
`Experiments on the use of alcohol vapours to suppress the sprouting of stored potatoes
`Journal
`
`European Potato Journal
`Volume 1, Issue 1 , pp 42-51
`
`Cover Date
`1958-03-01
`
`DOI
`
`10.1007/BF02364383
`Print ISSN
`0367-1216
`Online ISSN
`1871-4528
`Publisher
`Kluwer Academic Publishers
`Additional Links
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`0 Register for Journal Updates
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`0 Editorial Board
`httpti’flink.springer.comiarticle.i10.1007JBF02364383
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`1,4 GROUP, INC.
`Exhibit 1011
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`4:11:2015
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`Experiments on the use of alcohol vapours to suppress the sprouting of stored potatoes - Springer
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`- About This Journal
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`- Manuscript Submission
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`Topics
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`0 Life Sciences, general
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`0 Agriculture
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`0 Plant Sciences
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`0 Plant Genetics & Genomics
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`0 Plant Systematics/Taxonomy/Biogeography
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`Industry Sectors
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`0 Consumer Packaged Goods
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`Authors
`
`0 W. Go Burton (1)
`
`Author Affiliations
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`-
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`1. Ditton Laboratory, Department of Scientific and Industrial Research, Larkfield, Maidstone, Kent
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