Static Elastic Modulus of Tomato Epidermis As Affected by Water Potential

Murase, Hiroki; Merva, George E.

doi:10.13031/2013.35606

Cited by 11 publications

(6 citation statements)

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“…Its fruits were stored for more than 60 days. Decreased fruit-skin strength due to irrigation was also observed by Murase and Merva (1977). Tomato fruit resistance to mechanical damage depends upon weather conditions during fruit growth, water supply to the plants, degree of fruit ripeness, size, and, to a considerable extent, on the genotype of the cultivar.…”

Section: Prospects Of Development Fl Hybrids With Increased Synchronymentioning

confidence: 91%

Genetic Improvement of Tomato

Kalloo¹

1991

Monographs on Theoretical and Applied Genetics

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Section: Prospects Of Development Fl Hybrids With Increased Synchronymentioning

confidence: 91%

Genetic Improvement of Tomato

Kalloo¹

1991

Monographs on Theoretical and Applied Genetics

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“…Most tests used (puncture, bursting, and flat-plate compression) have many limitations because they generate a combination of compression, shear, and tensile stresses (Miles et al, 1969;Voisey et al, 1970). A few tensile tests have been performed in order to characterize the tensile properties of fruit skins of some species: tomato (Batal, 1970;Murase and Merva, 1977;Thompson, 2001), onion (Allium cepa L.) (Hole, 2000), and olive (Olea europaea L.) (Georget, 2001). According to Hershko (1994), the tensile properties of ripe tomato skin can be described by a few values, namely strength (break- Fig.…”

mentioning

confidence: 99%

Relative humidity and temperature modify the mechanical properties of isolated tomato fruit cuticles

Matas

López-Casado

Cuartero

et al. 2005

American J of Botany

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The mechanical properties of enzymatically isolated cuticular membrane (CM) from ripe tomato fruits were investigated at 10 to 45°C and relative humidity (RH) of 40 to wet. CM samples were stressed by uniaxial tension loads to determine their tensile modulus, E, breaking stress (strength), σ(max), and maximum elongation, ε(max). The CM stress-strain curves revealed a biphasic behavior when tested at RH values below wet conditions. In the first phase, CM responded to the loads by instantaneous extension with no further extension recorded until a further load was added: defined as pure elastic strain (E(e)). In the second phase, CM responded by instantaneous extension and by some additional time-dependent extension, defined as viscoelastic strain (E(v)). When CMs were submerged in aqueous solution (wet), the stress-strain curves were monophasic, with both elastic and viscoelastic strain. E(e) depended on RH and was higher than E(v), which was independent of RH. Temperature decreased E(e) and σ(max) of tomato fruit CM. Temperature response was not linear but consisted of two temperature-independent phases separated by a transition temperature. This transition zone has been related previously to the presence of a secondary phase transition in the cutin matrix of the tomato fruit CM.

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“…Water potential increased the elastic modulus of vegetative tissue and tomato epidermal tissue, and changed the fracture stress of apple flesh (Falk er al. 1958;Murase and Merva 1977). De Baerdemaeker el al.…”

Section: Introductionmentioning

confidence: 99%

PEACH FIRMNESS DURING STORAGE AS AFFECTED BY TREE IRRIGATION SCHEDULES¹

Zhang

Brusewitz

Huslig

et al. 1993

Journal of Food Quality

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lie effect on peach [Prunus persica (L) Batsch.]fimness during storage upas investigated for the following tree irrigation schedules: no irrigation, irrigation beginning at budbreak until October, and irrigation beginning at stage 111 of fruit growth until October. PeacheA (cv 'Cresthaven ' ) j-om the three tree irrigation schedules were harvested at two ripeness stages and were stored at 2C, 90% RH. Afrer 3 , 6. 9, 13, and 16 days qf'storage, peach$rmness was tested bv a modijied Effegi flesh probe test and drop impact tesi. From the flesh probe test, the bioyield force, nuximum force, and ela ytic rnodiilus were measured and from the drop impact test, the contact time. peak forcehime-to-peak force, and percentage of energy absorbed were measured None of these parameters were signijicantly affected by the tree irrigation schedides. Riper peaches were softer during the whole storage period. Less ripe peaches had more sariation in firmness parameters during storage. The average firmness of peaches changed only slightlv during the first nine days of storage, rhen Joftened quickly thereafter.

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Static Elastic Modulus of Tomato Epidermis As Affected by Water Potential

Cited by 11 publications

References 0 publications

Genetic Improvement of Tomato

Genetic Improvement of Tomato

Relative humidity and temperature modify the mechanical properties of isolated tomato fruit cuticles

PEACH FIRMNESS DURING STORAGE AS AFFECTED BY TREE IRRIGATION SCHEDULES¹

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Static Elastic Modulus of Tomato Epidermis As Affected by Water Potential

Cited by 11 publications

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Genetic Improvement of Tomato

Genetic Improvement of Tomato

Relative humidity and temperature modify the mechanical properties of isolated tomato fruit cuticles

PEACH FIRMNESS DURING STORAGE AS AFFECTED BY TREE IRRIGATION SCHEDULES1

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PEACH FIRMNESS DURING STORAGE AS AFFECTED BY TREE IRRIGATION SCHEDULES¹