Ripening of Apples during Storage I.—Introduction

Knee, Michael

doi:10.1002/jsfa.2740220710

Cited by 7 publications

(2 citation statements)

References 28 publications

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“…At similar PO 2 levels, results were similar for samples stored for various periods. Under these experimental conditions, therefore, storage time did not seem to significantly influence the respiration rate, as already reported by Knee (1971).…”

Section: Resultssupporting

confidence: 85%

A Tentative Model to Describe the Respiration of Stored Apples

Andrich¹,

Fiorentini²,

Tuci³

et al. 1991

jashs

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Using mathematical equations that describe the 02 mass-transfer and the enzymatic oxidation of the organic substrates of apples (Malus domestica Borkh.), we developed a kinetic model to correlate fruit respiration rate with environmental oxygen partial pressure (PO2. The kinetic determinations were carried out at room temperature using apples stored at 3 to 4C for 11 to 19 weeks. Results show that: 1) the calculated value of the Michaelis-Menten constant related to the enzymatic oxidation of the respiratory substrate (Km = 2.1 ± 0.5.10-5 mol·kg-1) is close to that reported in the literature for cytochrome-c oxidase; 2) the located range of PO2 levels where 02 becomes the limiting factor in the respiration process (near 2.6 kPa at T = 20.5 ± lC) is close to those usually used on a commercial scale for controlled atmosphere storage.

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Section: Resultssupporting

confidence: 85%

A Tentative Model to Describe the Respiration of Stored Apples

Andrich¹,

Fiorentini²,

Tuci³

et al. 1991

jashs

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show abstract

“…Table II shows the effect of CA storage at 4°on the nitrogen, dry matter, ash, D-glucose, D-fructose, sucrose, and L-malic acid content of Golden Delicious apples. All values were corrected to initial fresh weight by assuming that after 150 days Golden Delicious lost 3% of its weight (Knee, 1971; Sprenger ; i.e., 0.6% per 30 days.…”

Section: Resultsmentioning

confidence: 99%

Several compounds in golden delicious apples as possible parameters of acceptability

Gorin¹

1973

J. Agric. Food Chem.

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Ripening of apples during storage: II.—Respiratory metabolism and ethylene synthesis in Golden Delicious apples during the climacteric, and under conditions simulating commercial storage practice

Knee

1971

J Sci Food Agric

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Golden Delicious apples were harvestedpre-cliniacteric and samples of fruit were stored in air at 12"c, air ut 3'5"c, 5 % COz/3% 0 2 at 3 ' 5 " c , and 2% 0 2 at 3 . 5 "~. Cnrbon dioxide and ethylene production by this fruit was measured; ihe respiration of excised peel discs, wiih particular attention to the efects of exogenoris malate, was studied after various periods of storage.Fruit stored in air at I2'c showed rhe itsrtal climacteric of COz production which was associated with a rapid rise in the rate of ethylene production and greatly increased rates of malate decarboxylation by p e d discs. Fruit stored at 3 . 5 '~ showed no cliniac teric; mdlate decarboxylation remained relatively constant for air-stored fruit, and increased only a little in fruit stored in 5 % C02!3 % 0 2 and 2 % 02. Ethylene production was little delayed in air at 3.5"c, bur was delayed for 35 days in -1 % 0 2 and 44 ddys in 5 : ( Malate sfitnulation of 0 2 uptake occurred in peel discs from senescent air-stored fruit, and more protnco2/3% 0 2 . inenfly in discsfiorii,frrrit at all stages of storage in 5 % C0?/3% 0 2 and 2% 0 2 .

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Ripening of Apples during Storage I.—Introduction

Abstract: The literature describing the respiration climacteric and some related processes in apples is discussed, with particular attention to implications for commercial storage practice.

Cited by 7 publications

References 28 publications

A Tentative Model to Describe the Respiration of Stored Apples

A Tentative Model to Describe the Respiration of Stored Apples

Several compounds in golden delicious apples as possible parameters of acceptability

Ripening of apples during storage: II.—Respiratory metabolism and ethylene synthesis in Golden Delicious apples during the climacteric, and under conditions simulating commercial storage practice

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