Talk:Fructose

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Presence in semen, and as proof in rape cases

Semen is the only human product that contains any appreciable amount of fructose. For this reason it is a "marker" in rape cases. The logical place in Wikipedia for this information is in this article.38.104.70.30 (talk) 22:47, 24 February 2023 (UTC)captcrisis[reply]

Talk topic on contradictory information from EFSA's perspective?

In Potential health effects section, there is a Self-contradictory template that states:

This section appears to contradict itself on the EFSA's perspective, in summary, regarding fructose, please compare to the lead. Please see the talk page for more information. (March 2023)

I'm guessing this is the mentioned talk post, which was archived back in Feb 2023, before the Mar 2023 mentioned in the template.

Should a new topic be started, or the existing one unarchived, or the template removed? As a casual user, I found it a bit confusing to figure out where to get more details, with there just being the one topic above that was left unarchived. But also not familiar enough with WP editing to know if it's normal to reference archived talk posts in the article. Pb7280 (talk) 23:10, 11 May 2023 (UTC)[reply]

The challenge from the March 2023 talk page about whether a controversy exists within the EFSA opinion was raised by an IP editor whose interpretation was incorrect. There is no controversy.

I removed the "contradicton box" with other minor edits, here. Zefr (talk) 00:19, 12 May 2023 (UTC)[reply]

Relative sweetness: weight or mole basis?

It is important to say whether sweetness is compared on a molar or weight basis. If the basis is weight as I suspect, the enhanced sweetness of fructose over glucose could be explained by the fact that its molecular weight is about half that of sucrose. Hydrolysis of sucrose would have a smaller effect on sweetness, as only half the weight of sucrose is converted to fructose with greater sweetness, while the other half is converted to glucose with lesser sweetness.Eaberry (talk) 15:47, 18 January 2024 (UTC)[reply]

Did you mean 'sweetness of fructose over sucrose? That would be logical. However, the following reference says that fructose is twice as sweet on a molar basis:

by DT Cason · 1987 · Cited by 46 — Fructose is a very sweet sugar and on a molar basis is twice as sweet as sucrose ...

I haven't read enough to have confidence in that answer so I haven't edited the article. SciberDoc (talk) 15:08, 27 February 2024 (UTC)[reply]

Edit of table needed, please help if you have the skill required

Table 1. Sugar content of selected common plant foods (g/100g The headings 'Fruits', 'Vegetables' and 'Grains' need deleting. They are inappropriate and in the wrong places. As the table can usefully be sorted, any division into fruits vegetables and grains is bound to go wrong depending which way it is sorted (unless each section sorted separately which would make comparisons harder between items in different categories).

I attempted to delete the headings but everything I tried broke the table display when I tried it in the sandbox. Help from someone skilled with tables would be appreciated. Thanks. SciberDoc (talk) 14:57, 27 February 2024 (UTC)[reply]

Absolute sweetness of fructose is identical at 5 °C as 50 °C?

I was not able to find this information in the cited source (Lee, Thomas D. (1 January 2000). "Sweeteners". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.19230505120505.a01.pub2. ISBN 978-0471238966.). Does anyone know where did this information come from? 182.255.32.46 (talk) 04:04, 30 August 2024 (UTC)[reply]

Ok I found it, but in the "sugars" section, not "sweeteners". In fact I suspect that most of the citations of this source should be "sugars". The sweeteners part barely talked about fructose at all. 182.255.32.46 (talk) 04:10, 30 August 2024 (UTC)[reply]