Phụ gia chống oxi hóa ThS Đặng Bùi Khuê Chất chống oxi hóa phép thêm trực tiếp vào thực phẩm • Nội dung – Anoxomer – Butylated Hydroxyanisole – Butylated Hydroxytoluene – Ethoxyquin – 4-Hydroxymethyl-2,6-di-tert-butylphenol – 2-(1,1-Dimethylethyl)-1,4-Benzenediol – 2,4,5-Trihydroxybutyrophenone Anoxomer • Các từ khóa – divinylbenzene (m- and p-) – tert-butylhydroquinone – tert-butyl-phenol – hydroxyani-sole – p-cresol – 4,4′-isopropylidenediphenol – monomers, dimers, trimers Butylated Hydroxyanisole • Các từ khóa – 2-tert-butyl-4-methoxyphenol 3-tert-butyl-4methoxoyphenol – Hindered phenol: Nhóm tert-butyl vị trí ortho meta nhóm hydroxyl – carry-through effect – Gallate – Phenolic Butylated Hydroxyanisole • Các từ khóa – BHT, propyl gallate – hydroquinone, methionine, lecithin, thiodipropionic acid – Citric acid – propylene glycol – AMIF-72 – Shortening Butylated Hydroxytoluene • Các từ khóa – 2,6-di-tert-butyl-p-cresol – 2,6-bis(1,1-dimethylethyl)-4-meth-ylphenol – BHA – toluene, methanol, ethanol, isopropanol, methyl ethyl ketone, acetone, Cellosolve, petroleum ether, benzene Butylated Hydroxytoluene • Các từ khóa – carry-through effect – Shortening – Nhóm tert-butyl – Glyceride – Stilbenequinone – Peroxy – BHA – phenoxy – Hydroxyl – peroxy Ethoxyquin • Các từ khóa – 1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline – Dimer hóa – Paprika – Carotenoid – ppm 4-Hydroxymethyl-2,6-di-tertbutylphenol • Các từ khóa – Điểm đông đặc (hóa rắn) – Tinh dầu 2-(1,1-Dimethylethyl)-1,4-Benzenediol • Các từ khóa – TBHQ – Chất béo bão hòa đa – citric acid – Shortening – propyl gallate – BHA và/ BHT 2,4,5-Trihydroxybutyrophenone • Các từ khóa – THBP – alcohol, propylene glycol, paraffin Các chất chống oxi hóa xem an toàn • Nội dung – Propyl Gallate – Gum Guaiac – Nordihydroguaiaretic Acid Guaiac Nordihydroguaiaretic Acid Propyl Gallate • Các từ khóa – 3,4,5-trihydroxybenzoic acid propyl ester – citric acid – carry-through – BHA BHT – octyl dodecyl gallates – n-propylester 3,4,5-trihydroxybenzoic acid – gallic acid – propyl alcohol Gum Guaiac & Nordihydroguaiaretic Acid • Các từ khóa – resin guaiac – alcohol, chloroform, ether – 4,4′-(2,3-dimethyl-1,4-butanediyl) bis[1,2benzenediol] – Creosote Các chất hỗ trợ chất chống oxi hóa • Nội dung – 3,3-Thiodipropionic Acid – Lecithin – Citric Acid – Ascorbic Acid 3,3-Thiodipropionic Acid & Lecithin • Các từ khóa – 3,3′-thiobis[propanonic acid] – Acetone – BHA benzoyl peroxide – Phospholipid – choline, ethanolamine, inositol – hydrogen peroxide – benzoyl peroxide phosphatidylinositol Citric Acid & Ascorbic Acid • Các từ khóa – 2-hydroxy-1,2,3-propane-tricarboxylic acid – Phenolic – Nhóm carboxyl tự – GRAS – 3-oxo-L-gulofuranolactone – Mayonnaise – gallic acid [...]...2-(1,1-Dimethylethyl)-1,4-Benzenediol • Các từ khóa – TBHQ – Chất béo bão hòa đa – citric acid – Shortening – propyl gallate – BHA và/ hoặc BHT 2,4,5-Trihydroxybutyrophenone • Các từ khóa – THBP – alcohol, propylene glycol, và paraffin Các chất chống oxi hóa được xem là an toàn • Nội dung chính – Propyl Gallate – Gum Guaiac – Nordihydroguaiaretic Acid Guaiac Nordihydroguaiaretic Acid Propyl Gallate • Các từ khóa – 3,4,5-trihydroxybenzoic... Nordihydroguaiaretic Acid • Các từ khóa – resin guaiac – alcohol, chloroform, ether – 4,4′-(2,3-dimethyl-1,4-butanediyl) bis[1,2benzenediol] – Creosote Các chất hỗ trợ chất chống oxi hóa • Nội dung chính – 3,3-Thiodipropionic Acid – Lecithin – Citric Acid – Ascorbic Acid 3,3-Thiodipropionic Acid & Lecithin • Các từ khóa – 3,3′-thiobis[propanonic acid] – Acetone – BHA benzoyl peroxide – Phospholipid – choline,... Acid & Lecithin • Các từ khóa – 3,3′-thiobis[propanonic acid] – Acetone – BHA benzoyl peroxide – Phospholipid – choline, ethanolamine, và inositol – hydrogen peroxide – benzoyl peroxide phosphatidylinositol Citric Acid & Ascorbic Acid • Các từ khóa – 2-hydroxy-1,2,3-propane-tricarboxylic acid – Phenolic – Nhóm carboxyl tự do – GRAS – 3-oxo-L-gulofuranolactone – Mayonnaise – gallic acid ...Chất chống oxi hóa phép thêm trực tiếp vào thực phẩm • Nội dung – Anoxomer – Butylated Hydroxyanisole – Butylated Hydroxytoluene – Ethoxyquin – 4-Hydroxymethyl-2,6-di-tert-butylphenol – 2-( 1,1-Dimethylethyl )-1 ,4-Benzenediol... 2-( 1,1-Dimethylethyl )-1 ,4-Benzenediol – 2,4,5-Trihydroxybutyrophenone Anoxomer • Các từ khóa – divinylbenzene (m- and p-) – tert-butylhydroquinone – tert-butyl-phenol – hydroxyani-sole – p-cresol – 4,4′-isopropylidenediphenol... 1,2-dihydro-6-ethoxy-2,2,4-trimethylquinoline – Dimer hóa – Paprika – Carotenoid – ppm 4-Hydroxymethyl-2,6-di-tertbutylphenol • Các từ khóa – Điểm đông đặc (hóa rắn) – Tinh dầu 2-( 1,1-Dimethylethyl )-1 ,4-Benzenediol • Các từ khóa – TBHQ