Combined thermal and high pressure effect on carrot pectinmethylesterase stability and catalytic activity

Sila, Daniel N.; Smout, Chantal; Yusuf, Satara; Truong, Vu; Loey, Ann Van; Hendrickx, Marc

doi:10.1016/j.jfoodeng.2005.11.016

Cited by 82 publications

(39 citation statements)

References 40 publications

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“…However, the actual pressure stability of a particular PME (at room temperature) can vary considerably, ranging from moderately pressure-sensitive (>600 MPa, e.g., carrot PME) to extremely pressure-stable (>1 GPa, e.g., tomato and A. aculeatus PME). 186,192,193 Even within one species, PME isoforms can show significant differences in pressure stability. 186,194 With regard to the effect of elevated pressure on the PME catalytic activity, the substrate conversion rate has been demonstrated to increase up to a certain pressure level for several PMEs (e.g., carrot, orange, pepper, tomato and A. aculeatus PMEs).…”

Section: Effect Of Processing On Pmementioning

confidence: 99%

“…186,194 With regard to the effect of elevated pressure on the PME catalytic activity, the substrate conversion rate has been demonstrated to increase up to a certain pressure level for several PMEs (e.g., carrot, orange, pepper, tomato and A. aculeatus PMEs). 186,193,195 In addition, moderate pressure levels (up to ca. 400 MPa) have been shown to retard thermal inactivation of several PMEs studied ('thermostabilisation'), an antagonistic effect also reflected by the elliptic shape of isorate contour plots in the p,T domain.…”

Section: Effect Of Processing On Pmementioning

confidence: 99%

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Pectin methylesterase and its proteinaceous inhibitor: a review

Jolie

Duvetter

Loey

et al. 2010

Carbohydrate Research

277

178

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Section: Effect Of Processing On Pmementioning

confidence: 99%

Section: Effect Of Processing On Pmementioning

confidence: 99%

Pectin methylesterase and its proteinaceous inhibitor: a review

Jolie

Duvetter

Loey

et al. 2010

Carbohydrate Research

277

178

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“…Hence, PME activity control is a major point of interest in the quest of obtaining high quality products. In this context, the effects of temperature and high pressure on the stability and catalytic activity of carrot PME have been documented, in model as well as in food systems (Tijskens, Waldron, Ng, Ingham, & Van Dijk, 1997;Vora, Kyle, & Small, 1999;LyNguyen et al, 2003;Balogh, Smout, Ly Nguyen, Van Loey, & Hendrickx, 2004;Sila et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

Carrot pectin methylesterase and its inhibitor from kiwi fruit: Study of activity, stability and inhibition

Jolie

Duvetter

Houben

et al. 2009

Innovative Food Science & Emerging Technologies

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“…It is certainly the case that some enzymes can remain active to very high pressures (e.g. [57,58]). So too short oligonucleotide strands show extraordinary resilience under even higher pressures, with the molecule acting like a spring ( [59]; see also [60]).…”

Section: (C) Beyond the Solar Systemmentioning

confidence: 99%

Predicting what extra-terrestrials will be like: and preparing for the worst

Morris

2011

Phil. Trans. R. Soc. A.

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It is difficult to imagine evolution in alien biospheres operating in any manner other than Darwinian. Yet, it is also widely assumed that alien life-forms will be just that: strange, un-nerving and probably repulsive. There are two reasons for this view. First, it is assumed that the range of habitable environments available to extra-terrestrial life is far wider than on Earth. I suggest, however, that terrestrial life is close to the physical and chemical limits of life anywhere. Second, it is a neo-Darwinian orthodoxy that evolution lacks predictability; imagining what extra-terrestrial life would look like in any detail is a futile exercise. To the contrary, I suggest that the outcomes of evolution are remarkably predictable. This, however, leads us to consider two opposites, both of which should make our blood run cold. The first, and actually extremely unlikely, is that alien biospheres will be strikingly similar to our terrestrial equivalent and that in such biospheres intelligence will inevitably emerge. The reasons for this revolve around the ubiquity of evolutionary convergence, the determinate structure of the Tree of Life and molecular inherency. But if something like a human is an inevitability, why do I also claim that the first possibility is 'extremely unlikely' ? Simply because the other possibility is actually the correct answer. Paradoxically, we and our biosphere are completely alone. So which is worse? Meeting ourselves or meeting nobody?

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Combined thermal and high pressure effect on carrot pectinmethylesterase stability and catalytic activity

Cited by 82 publications

References 40 publications

Pectin methylesterase and its proteinaceous inhibitor: a review

Pectin methylesterase and its proteinaceous inhibitor: a review

Carrot pectin methylesterase and its inhibitor from kiwi fruit: Study of activity, stability and inhibition

Predicting what extra-terrestrials will be like: and preparing for the worst

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