"tropical" news and stories

Although research is still in preliminary stages, early results from a University of Queensland study presented at the Australian Health and Medical Research Congress indicated that compounds in mangoes may offer some surprising health benefits. They seem to act on the "same pathways that diabetes and cholesterol drugs target," blocking or activating receptors known as "peroxisome proliferator-activated receptors." These receptors play key rolls in people with diabetes and high cholesterol, but are also being linked with some types of cancer. If the mango compounds do target them, it is possible that the fruits could ease the effects of diabetes and high cholesterol, or even be able to combat cancerous cells.

The name "nutritional bioactive" is given to the unique components of fruits and vegetables that have particular health effects and study of these bioactives has been primarily directed at temperate, highly common fruits and vegetables (broccoli, etc). The researchers at Queensland have focused on tropical fruits, which is what led to their current findings.

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Last year I tried to plant a pineapple. Actually, I tried three times. Each time, I bought a nice, fresh, organic pineapple at Whole Foods and, after eating the fruit itself, I prepped the crown for planting. The first time, I left some of the fruit attached to the crown and the plant did not do so well. After finding this nifty guide online, I learned that I should have cleaned away any remaining bits of fruit before planting, as the way the fruit decomposes in the soil would is not conducive to growth. Scratch plant number one.

Following the directions from the same guide, I cut away the stem to expose the "root buds" on the crown. The website also recommended drying the crown for several days before planting. Seven days later, my crown was clearly dead and unfit for planting. Two strikes.

Undeterred, I trimmed a third crown, dried it for only one day (a warm day) and popped the top into some potting soil. I made sure it had light, tried to keep it warm (even in winter) and I didn't over-water it. And yet it looks exactly the same as it did a year ago: some of the leaves are a bit brown, others are still green and it clearly has not gotten any larger. I'm reasonably certain that it isn't dead, and yet I have real doubts as to whether it will ever progress beyond its current state.

Depressed about my pineapple prospects, I searched for a couple more resources and finally found someone in Southern California who has successfully grown pineapples! While this has renewed my hopes about growing my own, I am still wondering whether the project is worth it. How many times should you try before you give up on growing a plant?

As though we don’t have enough dieting fads thrown at us from all directions, there is a new one which suggests that the color of your walls could be making you fat. According to dietician Lisa Dorfman, blues and greens will make you less hungry than warmer colors, like reds. Lighting is also important to dieters, as those who eat in dim light are more likely to binge.

Excuse me while I take a brief break to paint my kitchen. But what of the non-paintable surfaces? Does laminate make you feel full, or should you use a tile floor?

This is the most ridiculous dieting idea that we have seen yet. Changing the color scheme of your house in an attempt to alter your diet is like deciding to buy air freshener for you car after it's been in an accident: it doesn't really hurt anything, but it doesn't directly address the problem in the way that eating less food (or getting the car repaired) would. Putting aside the issue of actual color choice, there is one thing about painting your walls that will keep you out of the kitchen for a while: very few people actually enjoy the smell of wet paint and you certainly won't want to be eating in a freshly painted kitchen. Just try not to head for the nearest fast food place while you wait for your cool, calming kitchen to dry.

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This will hopefully serve as a warning to all of you adventurous eaters out there. Two men were apparently plagued with intense hallucinations and later hospitalized after consuming Salema porgy or Sarpa salpa (right), a highly poisonous reef fish, according to an article in Practical Fishkeeping. The article says the fish was served in restaurants in the western Mediterranean, but does not say exactly where. This 'fish poisoning' or ichthyoallyeinotoxism is generally associated with fish from the Indo Pacific, including certain types of  "mullet, goatfish, tangs, damsels and rabbitfish." The hallucinations, which are supposedly on par with psychedelics like LSD or DMT, have earned these toxic fish the nickname "dream fish."