Monday, November 16, 2009

Cholesterol: The top 5 foods to lower your numbers




Oatmeal and oat bran

Oatmeal contains soluble fiber, which reduces your low-density lipoprotein (LDL), the "bad" cholesterol. Soluble fiber is also found in such foods as kidney beans, apples, pears, psyllium, barley and prunes.

Soluble fiber appears to reduce the absorption of cholesterol in your intestines. Ten grams or more of soluble fiber a day decreases your total and LDL cholesterol. Eating 1 1/2 cups of cooked oatmeal provides 6 grams of fiber. If you add fruit, such as bananas, you'll add about 4 more grams of fiber. To mix it up a little, try steel-cut oatmeal or cold cereal made with oatmeal or oat bran.

Walnuts, almonds and more

Studies have shown that walnuts can significantly reduce blood cholesterol. Rich in polyunsaturated fatty acids, walnuts also help keep blood vessels healthy and elastic. Almonds and some other nuts appear to have a similar effect.

According to the Food and Drug Administration, eating about a handful (1.5 ounces, or 42.5 grams) a day of most nuts, such as almonds, hazelnuts, peanuts, pecans, some pine nuts, pistachio nuts and walnuts, may reduce your risk of heart disease.

But all nuts are high in calories, so a handful will do. As with any food, eating too much can cause weight gain, and being overweight places you at higher risk of heart disease. To avoid gaining weight, replace foods high in saturated fat with nuts. For example, instead of using cheese, meat or croutons in your salad, add a handful of walnuts or almonds.

Fish and omega-3 fatty acids

Research has supported the cholesterol-lowering benefits of eating fatty fish because of its high levels of omega-3 fatty acids. Omega-3 fatty acids also help the heart in other ways such as reducing blood pressure and the risk of blood clots. In people who have already had heart attacks, fish oil — or omega-3 fatty acids — significantly reduces the risk of sudden death.

Doctors recommend eating at least two servings of fish a week. The highest levels of omega-3 fatty acids are in mackerel, lake trout, herring, sardines, albacore tuna and salmon. However, to maintain the heart-healthy benefits of fish, bake or grill it. If you don't like fish, you can also get omega-3 fatty acids from foods like ground flaxseed or canola oil.

You can take an omega-3 or fish oil supplement to get some of the beneficial effects, but you won't get all the other nutrients in fish, like selenium. If you decide to take a supplement, just remember to watch your diet and eat lean meat or vegetables in place of fish.

Olive oil

Olive oil contains a potent mix of antioxidants that can lower your "bad" (LDL) cholesterol but leave your "good" (HDL) cholesterol untouched.

The Food and Drug Administration recommends using about 2 tablespoons (23 grams) of olive oil a day to get its heart-healthy benefits. To add olive oil to your diet, you can saute vegetables in it, add it to a marinade, or mix it with vinegar as a salad dressing. You can also use olive oil as a substitute for butter when basting meat.

Some research suggests that the cholesterol-lowering effects of olive oil are even greater if you choose extra-virgin olive oil, meaning the oil is less processed and contains more heart-healthy antioxidants. But avoid "light" olive oils. This label usually means the oil is more processed and lighter in color, not fat or calories.

Foods fortified with plant sterols or stanols

Foods are now available that have been fortified with sterols or stanols — substances found in plants that help block the absorption of cholesterol.

Margarines, orange juice and yogurt drinks fortified with plant sterols can help reduce LDL cholesterol by more than 10 percent. The amount of daily plant sterols needed for results is at least 2 grams — which equals about two 8-ounce (237 milliliters) servings of plant sterol-fortified orange juice a day.

Plant sterols or stanols in fortified foods don't appear to affect levels of triglycerides or of "good" high-density lipoprotein (HDL) cholesterol. Nor do they interfere with the absorption of the fat-soluble vitamins — vitamins A, D, E and K.

The American Heart Association recommends foods fortified with plant sterols for people with levels of LDL cholesterol over 160 milligrams per deciliter (4.1 mmol/L).


(source : mayoclinic.com)


this is a very inetersting articles.however, how about local food?

Wednesday, March 25, 2009

amali 4 - kajian masa dan gerakan

OBJEKTIF

Untuk menentukan kadar penggunaan masa bagi aktiviti-aktiviti tertentu dalam sesuatu hari.



Untuk menentukan kadar penggunaan tenaga harian.



Untuk menentukan tahap aktiviti fizikal (TAF) atau PAL individu dan kumpulan.




KAEDAH

1. Subjek dikehendaki mencatatkan aktiviti-aktivitinya selama 3 hari ( 2 hari biasa dan 1 hari minggu ) dalam borang yang telah disediakan dengan tepat.

2. Hari yang dipilih untuk mencatatkan aktivitinya mesti serentak dengan hari yang melakukan kajian menimbang pengambilan makanan.

3. Setiap aktiviti yang dilakukan dicatat setiap selang 5 minit secara terperinci, misalnya samada duduk makan, duduk membaca atau duduk menulis.

4. Jumlah masa bagi setiap aktiviti yang dijalankan setiap hari dikira dan purata bagi 3 hari dilaporkan.

5. Untuk menentukan kadar penggunaan tenaga harian, jadual yang dilampirkan
digunakan. Nilai ( kcal / min ) bagi aktiviti tertentu dalam jadual yang dilampirkan perlu diubahsuai mengikut berat badan individu.

Kos metabolic aktiviti = Masa (min) setiap aktiviti x kos (kcal) aktiviti tersebut





JADUAL KADAR METABOLIK AKTIVI-AKTIVITI TERTENTU
(Ubahsuai kadar mengikut berat badan subjek)


Aktiviti-aktiviti Perempuan, 51 kg (kcal/min)
Baring dan tidur 0.8
Duduk ( membaca, mendengar radio, menonton tv) 1.1
Duduk (makan) 1.4
Duduk (menulis) 1.5
Berdiri 1.3
Berjalan 2.9
Turun naik tangga 5.6
Aktiviti peribadi 2.1
Mengemas katil dan bilik 3.2
Membasuh baju (tangan) 3.7

rujukan :
1. Dunin JVGA & Passmore (1967) Energy; Work dan Leisure Heinimann, London
2. Data dari kajian tempatan. (Ismail et al 1989)


rujukan bagi aktiviti lain boleh didapati daripada papan kenyataan gimnasium.



LAPORAN :

1) pengenalan
2) kaedah yang digunakan
3) semua hasil data yang dikumpul mesti dilampirkan dalam laporan anda
a) sediakan satu jadual penggunaan masa ntuk tiga hari, dapatkan purata dan peratus masa untuk setiap aktiviti
b) sediakan satu jadual penggunaan tenaga (kcal/hari) menggunakan purata penggunaan masa (3 hari) dan kos metabolik setiap aktiviti yang dilakukan.
4) buat perbandingan antara jantina, data anda dengan data kelas
5) perbincangan (gunakan rujukan yang sesuai)