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KARBOHIDRAT (C n (H 2 O) n

KARBOHIDRAT (C n (H 2 O) n. Energi 4 kkal / gram atau 4 Kal /gram Dibentuk dr Fotosintesis Polimerisasi Heksosa  Homoglikan , mis : Pati ( 4,18 Kal ) Efisiensi pencernaan pati = 98 %. FUNGSI KARBOHIDRAT. SUMBER ENERGI ( mitokondria)

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KARBOHIDRAT (C n (H 2 O) n

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  1. KARBOHIDRAT (Cn(H2O)n

  2. Energi 4 kkal / gram atau • 4 Kal /gram • DibentukdrFotosintesis • PolimerisasiHeksosa Homoglikan, mis : Pati • ( 4,18 Kal) • Efisiensipencernaanpati = 98 %

  3. FUNGSI KARBOHIDRAT • SUMBER ENERGI ( mitokondria) • PENYUSUN DINDING SEL ( polisakarida dalam selulosa )

  4. KLASIFIKASI KH • MONOSAKARIDA • DISAKARIDA • OLIGOSAKARIDA • POLISAKARIDA

  5. SUMBER KH • Monosakarida . Buah buahan ( glukosa, fruktosa = levulosa ) • Sukrosa  gula tebu • Laktosa  gula susu • Dekstrin sirup pati • Pati  serealia, beras, jagung • Glikogen  daging

  6. KARBON, BERHIDRAT  SAKARIDA • KARBOHIDRAT, TETAPI TIDAK DAPAT DISEBUT KARBON BERAIR, KARENA UNSUR O DAN H DALAM GUGUS HIDROKSIL BUKAN DALAM MOLEKUL AIR • SECARA MOLEKULER  POLIHIDROKSI ALDEHID / KETON • Karena mempy gugus aldehid / keton • ALDOSA  gugus aldehid • KETOSA  gugus keton

  7. FISCHER  HAWORTH’s RING

  8. Monosakarida dpt melakukan reaksi intramolekul dan membentuk struktur cincin / siklik • Aldosa ( glukosa )  cincin lingkar 6 ( PIRANOSA ) • Ketosa ( fruktosa )  cincin lingkar 5 ( FURANOSA)

  9. HAWORTH`S RING FORMULA

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