proteins 2009

proteins 2009 - Edited by Foxit Reader Copyright(C) by...

Info iconThis preview shows pages 1–25. Sign up to view the full content.

View Full Document Right Arrow Icon
1 FDST 4040/6040 ` Amino acids ` Classes of amino acids ` Levels of protein structure ` Food proteins and functionality
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 ` Aliphatic (ala, leu, ile, val) ` Aromatic (phe, tyr, trp) ` Polar uncharged (asn, gln, ser, thr) ` Acidic (asp, glu) ` Basic (lys, his, arg) ` Sulfur (cys, met)
Background image of page 2
3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 ` Cysteine & disulfide bonds, impact on thermostability and folding choices ` At neutral to alk pH, rapid exchange of thiols & -S-S- R 1 -S - + R 2 -S-S-R 2 Ù R 2 -S - + R 1 -S-S-R 2
Background image of page 4
5
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6
Background image of page 6
7
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Christen & Smith 2000 We know a bit more about milk proteins – primary, secondary, tertiary, quaternary structure
Background image of page 8
9 Proteins in milk 80% casein α S1 α S2 β κ 20% whey Blg α lac 4 : 1 : 41 -lac BSA Immunoglobulin Proteose peptone Fennema Fennema, 3 rd edition
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10 α S1 CSN Fennema α S2 CSN Fennema
Background image of page 10
11 β -CSN, Fennem Fennema Κ -CSN, Fennem Fennema aa105- 106aa
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12
Background image of page 12
13 ` Tertiary structure of β -lactoglobulin and α - lactalbumin known Β -lg, F*
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
14 Β -lg, Fennema Fennema
Background image of page 14
15 α -lac, Fennema SUBUNITS
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
16
Background image of page 16