Từ điển công nghệ thực phẩm - V
... xy- lanases and endo-1, 3- -xylanases. Xylan 1, 4- -xylosidases EC 3.2.1.37. Xylan de- grading enzymes that hydrolyse 1, 4- - D -xylans, removing successive D -xylose residues from the non- reducing ... activity of - tocopherol. Two main groups of compounds have vitamin E activity - tocopherols and tocotrienol. There are 4 isomers of each: -, -, - and - tocophero...
Ngày tải lên: 23/10/2013, 18:20
... en- zymes of industrial interest, such as metalloen- zymes, protein glutaminases and keratinases. Chrysin Member of the flavones. Synonyms include 5,7-dihydroxy-2-phenyl-4H-1-benzopyran-4-one ... flavour- ings for foods. The dried fruits have an aromatic lemon-like aroma, while the leaves have a flavour with tones of mint and lime. Extracts of peel and leaves have antimicrobial activity....
Ngày tải lên: 15/09/2012, 17:55
... antimicrobial preservatives and antioxidants in foods and bev- erages. Bitter acids Bitter compounds in hops, specifi- cally Į-acids (humulones) and ȕ-acids (lupu- lones). 41 Barley fibre Bavistin Barley ... flavour and is firmer. Used as an ingredient in local cooked dishes and salads. Bivalves Molluscs from class Bivalvia having paired shells (valves) usually connected by a hinge that...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - C
... carcinogens 1,3-dichloro-2-propanol (1,3-DCP) and its precursor 3-monochloropropane-1,2-diol (3-MCPD) have been detected in foods, including soy sauces and products containing acid-hydrolysed vegetable ... en- zymes of industrial interest, such as metalloen- zymes, protein glutaminases and keratinases. Chrysin Member of the flavones. Synonyms include 5,7-dihydroxy-2-phenyl-4H-1-benzopyran...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - E
... cell lysis. Endo-1, 3- -xylanases Alternative term for xylan endo-1, 3- -xylosidases. Endo-1, 4- -xylanases EC 3.2.1.8. Glycosidases that catalyse the endohydrolysis of 1, 4- - D -xylosidic linkages ... the normal physio- logical activity of hormones. Endo-1,3(4 )- -glucanases EC 3.2.1.6. Glycosi- dases that hydrolyse the 1, 3- and 1, 4- - D -glucosidic bonds in ȕ-glu...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - H
... sugars present are: D -xylose, D -glucose, D - galactose, D -mannose, L -arabinose, D - glucuronic acid, D -galacturonic acid, L - rhamnose, L -fucose and 4-O-methyl- D -glucuronic 217 Hydrocyanic ... gravity. Hydroperoxide lyases Lyases involved in produc- tion of flavour compounds in higher plants. Cleave 9- and 13-hydroperoxides of linoleic acid and lino- lenic acid in...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - A
... Į-N- acetylglucosaminidases (EC 3.2.1.50), which hydro- lyse terminal non-reducing N-acetyl- D -glucosamine residues in N-acetyl- - D -glucosaminides, and manno- syl-glycoprotein endo-ȕ-N-acetylglucosamidases (EC 3.2.1.96), ... terminal, non-reducing - L - arabinofuranoside residues in - L -arabinosides. Re- lease arabinose from - L -arabinofuranosides, - L - arabinan...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - D
... derivative trans-10-hydroxy- 2- decenoic acid occurs in royal jelly and is used as a marker for this product, while another, 10-oxo-trans- 8- decenoic acid, is produced by mushrooms and ex- hibits ... broc- coli. Also occurs as an off flavour compound in skim milk. 2,5-Dimethyl-4-hydroxy-3(2H)-furanone Chemi- cal name for the flavour compound furaneol. Dimethylnitrosamine One of the v...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - G
... 3.2.1 com- prising Į-galactosidases, ȕ-galactosidases and galactanases. Į-Galactosidases EC 3.2.1.22. Glycosidases which hydrolyse terminal, non-reducing - D -galactose residues in - D -galactosides, ... determi- nation of glucose levels and for removal of O 2 in food packaging, thus protecting against oxidative deterio- ration. Glucose-6-phosphate Primary metabolite of glu- cose i...
Ngày tải lên: 23/10/2013, 18:20
Từ điển công nghệ thực phẩm - J
... Lactobacillaceae pyruvic acid into (S )- and (R)-lactic acid, respec- tively. Involved in lactic acid biosynthesis and useful for determination of D - and L -lactic acid levels in bev- erages, and ... for detecting -1 ,3-glucanase activity. Laminarinases Alternative term for endo-1,3(4 )- - glucanases and glucan endo-1, 3- - D - glucosidases. Laminates Materials m...
Ngày tải lên: 23/10/2013, 18:20