Page 68 - Hybrid PBD Sains TG2_Edisi Guru

Sains Tingkatan 2 Bab 3
BAB

3 Nutrisi

Nutrition

Peta
FOKUS TOPIK Konsep

Kelas makanan Fungsi utama / Kepentingan Sumber
Food class Main function/ Importance Source

Pertumbuhan, pembaikan tisu-tisu, menggantikan
Protein Ayam, kekacang, telur, daging
Proteins sel-sel yang telah mati Chicken, beans, eggs, meat
Growth, repair tissues, replace dead cells

Karbohidrat Membekalkan tenaga yang banyak dan cepat Nasi, pisang, gula, kentang
Carbohydrates Supply fast and great amounts of energy Rice, banana, sugar, potatoes
Sumber simpanan tenaga, melindungi organ Mentega, minyak sawit, kacang
Lemak badan, penebat haba
Fat Source of energy store, protect the organs of the body, heat tanah
Butter, palm oil, groundnut
insulator
Vitamin Mengekalkan kesihatan yang baik Buah-buahan, sayuran, daging
Vitamins Maintain good health Fruit, vegetables, meat
Mineral Mengekalkan kesihatan yang baik Garam, sayuran dan buah-buahan
Minerals Maintain good health Salts, vegetables, fruit

Pelawas Merangsang peristalsis atau pergerakan usus Sayuran, bijirin, buah-buahan
Fibre Stimulate peristalsis or bowel movements Vegetables, cereals, fruit

Pelarut bahan kimia, medium pengangkutan
Air nutrien dan oksigen, mengawal atur suhu badan Jus buah-buahan
Water Solvents for chemicals, medium for transport of nutrients and Fruit juice
oxygen, regulate body temperature

Ujian Makanan / Food Test

Ujian iodin Menguji kehadiran kanji Larutan iodin bertukar biru tua
Iodine test Test for the presence of starch Iodine solution turns dark blue

Ujian Benedict Menguji kehadiran karbohidrat Mendakan merah bata terbentuk
Benedict’s test Test for the presence of carbohydrates Red precipitate is formed

Ujian Milon Menguji kehadiran protein Mendakan merah bata terbentuk
Millon’s test Test for the presence of proteins Red precipitate is formed

Ujian alkohol-emulsi Menguji kehadiran lemak Emulsi putih terbentuk
Alcohol-emulsion test Test for the presence of fat A white emulsion is formed

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03 Bab 3.indd 30 14/07/2021 12:14 PM