Sugar guidelines question.

[Val999]

My nurse has told me to avoid fruit juice completely due to the amount of fruit it takes to make one normal glass and the resulting amount of sugar. I used to have a glass of grapefruit juice every morning but have now swapped it for tomato juice which is a lot less sugar content.

 

[deleted profile 999]

Umm, I'm confused by that document. Exactly how do 'sugars...naturally present in fruit juices...' differ from 'sugars naturally present in intact fruit...' other than their delivery?

There's no difference in the sugars (the molecules are the same), however, in the raw fruit, the sugars are mostly locked up within cell membrane's which take the body time to process, slowing the intake of the sugars, you also get the added benefit of fibre etc.

Also bear in mind, that it takes more fruit (depending on type), to produce a glass of juice, than you would normally consume as whole raw fruit in one sitting. For instance, it would take 3-4 apples to make 250 mls of juice. So a glass of juice would give you the equivalent sugar that 3-4 apples would give you, and it's getting into your system a lot quicker, consumption and digestion wise (I could drink a glass of juice in 10 secs, whereas 4 apples would take me realistically over 1/2 and hour to eat).

 

[bilbie]

"The 13.3g of sugar in this particular bar consist of naturally-occurring sugars, which come directly from fruit. This is not the type of sugar we need to cut down on." Sigh!

I have pointed out our thoughts to Diabetes UK 🙂

It is going to take time for the 60's thinking to be brought into the 21st century. T2's can get the vitamins, minerals and fibre from other sources, besides fruit.

Fructose has to be metabolised the same way as alcohol, Most is converted to fats, a lot of T2 have non alcoholic fatty liver. High range ALT liver blood tests
it also increases insulin resistance

You could also point to studies how diabetics convert glucose to fructose at 10 times the normal rate. This is done through the polyol pathway.
start 15 minutes into the video for fructose

 

[Copepod]

Portion size for fruit juice is supposed to be 150ml, but it is very easy to drink more. Very few glasses / tumblers hold only 150ml, so it's easy to fill fuller. Even small bottles of juice sold alongside soft drinks for sandwich meal deals are 300 or 330ml, which is double the recommended portion or just over.

 

[Snowdog63]

start 15 minutes into the video for fructose

Am I being thick? What video?

 

[bilbie]

Am I being thick? What video?

I can see it embeded, see if this is better
www.youtube.com/watch?v=KybOPCB2Qd4

basically it is saying the worse thing you can give a T2 is fructose/fruit sugars, because we already convert too much glucose to fructose. The only way to get rid of it is to convert it to fat. because most T2 are insulin resistant with excess insulin and insulin is a fat storing hormone. it can get deposited and not used as fuel

 

[Snowdog63]

Thanks!

Oddly, I can see it quite clearly now where before there was just a white space! Must be a network problem here at work.

 

[bilbie]

Thanks!

Oddly, I can see it quite clearly now where before there was just a white space! Must be a network problem here at work.

This other video, also at 15 minutes into the video, goes into greater detail, this guy goes through blood tests and explains bloods.
A/Prof Ken Sikaris - 'Cholesterol vs Fat vs Glucose'
www.youtube.com/watch?v=aRUWTWsIAXI

 

[Snowdog63]

All good stuff! Thanks!