Luận án TS Rutgers: Hạt nano beta-carotene không dung môi cho tăng cường thực phẩm

Trường ĐH

Rutgers, The State University of New Jersey

Chuyên ngành

Food Science

Tác giả

Ẩn danh

Thể loại

Dissertation

Năm xuất bản

Số trang

236

Thời gian đọc

36 phút

Lượt xem

0

Lượt tải

0

Phí lưu trữ

50 Point

Mục lục chi tiết

ACKNOWLEDGEMENTS

DEDICATION

LIST OF TABLE

LIST OF FIGURES

1. Nanotechnology and nanoparticles in food

1.1. Solid lipid nanoparticle (SLN)

1.2. Nanostructure lipid carriers (NLC)

1.3. Lipid drug conjugate (LDC)

1.4. Co-acervate nanoparticles

1.5. Smaller size better solubility of nutraceuticals

1.6. High pressure homogenization

1.7. Solvent – based method

1.8. Emulsion as template method

2. MATERIALS AND METHODS

2.1. Beta-carotene (MW = 536)

2.2. Spectrofotometer for defining the solubility of beta-carotene in triacetin

2.3. Optical goniometer for surface tension

2.4. Dynamic light scattering (DLS) technique for particle size and zeta potential

2.5. Differential scanning calorimetry

2.6. X-ray diffraction for characterizing crystallinity

2.7. Diffusing wave spectroscopy for nano-rheology of gels

3. PHYSICAL CHEMISTRY OF TRIACETIN – BETA CAROTENE SYSTEM

3.1. The formation of emulsion droplet in triacetin –water system

3.1.1. Definition of emulsion

3.1.2. Formation of emulsion droplets

3.2. Droplet breakup mechanism

3.2.1. Droplet breakup mechanism in laminar flow

3.2.2. Droplet breakup mechanism in turbulence flow

3.3. Impact of surfactant on emulsion droplet size

3.4. Impact of other factors to emulsion droplet size

3.5. The adsorption of surfactant on triacetin interface

3.6. Solubility of beta-carotene in triacetin

3.7. Mathematic model for the diffusion of triacetin from an emulsion droplet

3.8. The crystallization of beta-carotene in emulsion droplet

3.9. The diffusion of triacetin from a droplet

3.10. Impact of surfactant on the particle size

3.11. Impact of operation parameters on the particle size and stability of nanosuspension

6. Shelf life of beta-carotene nanoparticles

7. CHARACTERIZATION OF BETA-CAROTENE NANO PARTICLES

8. EDIBLE FILM LOADED BETA-CAROTENE NANOPARTICLES: MODEL OF FOOD FORTIFICATION

8.1. Physical chemistry of aqueous hydroxypropyl methyl cellulose (HPMC) solution

8.2. Film formation model

8.2.1. Factors impact the film formation

8.2.2. Nano-rheology of HPMC gels

8.2.3. Moisture adsorption of the films

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