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Professor Dr. Jin BQ

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Title: Professor Dr. Jin BQ


1
Human Nutrition
  • Professor Dr. Jin BQ
  • Food Science Nutrition
  • NJNU

2
1 Introduction
  • Peoples in different physiological periods
  • Pregnancy
  • Lactation
  • Growth Requirements
  • Maintenance
  • Labor or action

3
2 Pregnant Nutrition
  • 1 Health pregnant women
  • 2 Double Requirements for mother-foetus

4
3 Stages of Pregnancy
  • Months
    F-Weight MW
  • The first (early) 1-3
    4mg 0.7-1.4kg
  • The second (middle) 4-6 1/MW
    4-5kg
  • The third (last) 7-9 5-7/
    MW gt6kg
  • BW growing Total
    10-12.5kg in mother

  • 2-4kg in foetue
  • 285d / 3 phases

5
4 Changes of Mother-Physiology
  • 4.1 Growth of mothers BW 10-12.5kg in total,
    BMI
  • A Uterus-growing
  • B Placenta-occurring growing , 10 -13m2
  • C Embryo-Foetue Initial BW -3300g, Height-50cm

  • 4mg, 4-6w 5-7 , 9m

6
Embryo Development
7
Mother
  • 4.2 The level of Hormones
  • Human chorionic gonadotropin (HCG)
  • Human chorionic somatomammotropin (HCS)
  • Estrogens
  • Progesterone


8
  • 4.3 Basic metabolism 15-20
  • 4.4 Change of blood system 30-40
  • 4.5 Cardiovascular function 40
  • 4.6 Gastrointestin function
  • 4.7 Renal function 50

  • Syndrome Anaemia (IDA)
  • Gristle
  • Leg Dropsy
  • Hyperpressure

9
5 Mothers Nutritional Requirement
  • GE (general energy) from

  • in weeks
  • CH2O 55-60 0-10,
    50kcal/d
  • EE (Fat) 20-25 20-30,
    200kcal/d
  • CP (protein) 15-25 Last,
    400kcal/d

  • Table4-2 DRIs Total,
    80,000kcal/350MJ

10
  • Early Middle
    Last
  • CP 5-10g/d 15g/d
    20g/d
  • EE
  • CH2O
  • Ca / 1000mg/d
    1500mg/d
  • Fe / 25mg/d
    35mg/d
  • I 175 ?g/d
  • FH4 400 ?g/d from 40d
  • Table4-2 DRIs

11
6 Dietary Direction
  • Eating More Fruits for Vitamins Minerals
  • Eating More Animal Protein
  • Limited E intake For BW control in the last

12
3 Lactation Nutrition
  • 1 Health Adult Nursing Mother
  • 2 Combining Mother-Infant
  • Both Requirement
  • Maintenance
  • Lactating

13
3 Parturition of Physiological Changes
  • Nutritional storage for milk secretion
  • Mammary gland development for Lactation
  • Birth canal preparation
  • Postpartum
  • Nerve-Hormones Prolactin, Oxytocin
  • Parturition???????????????
  • ???????

14
Status Changes at moment
  • ???????
  • ?????,?????????
  • ??????
  • ???? ?-????
  • ????
  • ????,??????
  • ????,?? Suppl.

15
4 Colostrum
  • 1-7d
  • Typicality????????,?????
  • Ingredients
  • High protein and immu-globinIgA,IgM, lactoferrin
    and others, increasing anti-ill in infant
  • Rich in Vitamins and Minerals
  • High Mg, ??????,??????
  • High Fe, 10 over than milk
  • High Na , Cl-, K ---
  • Low Lactose

16
5 Milk
  • Secretion quantity 1d--- 50ml

  • 2-14d---100-500ml/d

  • 15d-6m---750-850ml/d
  • after 6m---
    400-600ml/d
  • After 8-14 days
  • The change of ingredients
  • in milk compared to Colostrum

17
  • Typicality White, sweat
  • Ingredients 87.6 H2O
  • Low energy
  • 7 Lactose (H)
  • Mostly albumin
  • Low Fe (no enough to infants)
  • Vitamins level with
  • food
    changing

18
Milk Curve
19
6 Mothers Nutritional Requirement
  • GE from Diet Total 2900kcal/d

  • 12.1MJ/d
  • Mothers maintain 2100kcal/d 8.8MJ
  • Body fatty deliver 62kcal/d 0.3MJ
  • Nursing 738kcal/d
    3.1MJ
  • Higher than pregnancy

20
  • Basic Lactating
    Total
  • CP 70-75g/d 20-30g/d
    90-110g/d
  • EE 20
  • CH2O
  • Ca
    8004001200mg/d
  • Fe 25mg/d
  • Zn 10mg/d
  • I 200?g/d
  • Se 65?g/d

21
Vitamins
  • Vit. A Increase of milk with intake of mother
  • 800?g 400?g 1200?g /d.p
  • Vit. D Low in milk because of not in milk duct
  • gland from blood of mother
  • Vit. C Increase from5mg/dl to 8 mg/dl
  • 100mg 40mg 140 mg /d.p
  • Vit. B1 Increase, 0. 02mg/dl, RDA2.1mg
  • Vit. B2 Increase, 0.03mg/dl, RDA2.1mg
  • Niacin Increase, 0.62mg/dl, RDA21mg
  • FH4 Increase, 50-60?g /dl, RDA270?g

22
7 GE in Milk for Infant
  • CP 5
  • Lactose 38
  • Milk Fat gt50

???Prot.Carb.Fat 53855
23
8 Dietary Direction for mother
  • Intake more Vit. minerals from fruits
  • Intake more better protein from animal foods
  • Intake more amount nutrients than normal
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