1085-12-7 Usage
Description
Hesperidin is one of a large group of bio-flavonoids isolated from
citrus fruits. Flavonoids comprise a group of naturally occurring
compounds which are among the most ubiquitous in the plant
kingdom. The basic flavone structure consists of 1,4-benzopyrone
with a phenyl substitution in the 2-position. Flavonoids differ in
the number and position of substitutions on the aromatic rings and
in the extent and character of oxidation in the pryone portion of
the molecule. Hydroxyl groups enable flavonoids to combine with
sugars to form glycosides, and it is in this form that the flavonoids
are usually found in nature. Glucose is the most common prosthetic
group, although other sugars, as well as glucuronic and galacturonic
acids, have been identified. Hesperetin is the aglycone
remaining following hydrolysis from the prosthetic group.Hesperidin complex is a crude hesperidin preparation obtained by
extraction of the albedo of orange peel with calcium hydroxide
solution. On acidification with hydrochloric acid to pH about 4.5,
hesperidin precipitates as a crystalline material along with other
co-precipitated flavonoids. The precipitate is washed to remove
non-flavonoid ballast, and then spray dried. Average hesperidin
content is 72%; naringenin-7-rutinoside, 4.4%; isosakuranetin-
7-rutinoside, 4.2%; and less than 1% naringenin-7-rutinoside-4’-
glucoside, eriocitrin, sinensetin, bobeletin, tangeretin, and several
unidentified polymethoxylated flavones. It contains no rutin. The
powdered precipitate is nonhygroscopic; its weight loss on drying
is 2-5%; sulfated ash, 2-4%; and methoxyl content, 3.3-3.7%.Purified hesperidin is prepared from hesperidin complex by dissolving
the crystals in calcium hydroxide solution and precipitating
by acidification with hydrochloric acid. More than one cycle
of dissolution and precipitation may be needed to achieve the minimum hesperidin content of 80% specified for the purified
product. Most purified product is stated to have a hesperidin content
of 90%.Hesperidin is practically tasteless. Presumably through its action
as an antioxidant, hesperidin has been reported to delay flavor
deterioration of milk-based beverages, thereby extending shelf life
by 6-12 months. Hesperidin also is used as a reagent in the refining
and reclaiming of lead and zinc, and as a raw material in the
production of the dihydrochalcone of neohesperidin, a nonnutritive
sweetener.
Chemical Properties
slightly yellow to cream crystalline powder
Uses
Different sources of media describe the Uses of 1085-12-7 differently. You can refer to the following data:
1. Food additive.
2. Heptyl 4-hydroxybenzoate is a preservative and antimicrobial agent. It is very slightly soluble in water. It may be used in fermented malt beverages to inhibit microbial spoilage and is permitted in beer. It is also termed n-heptyl-para-hydroxybenzoate.
3. n-Heptyl 4-hydroxybenzoate is used for inhibiting microbiological spoilage, used as preservatives, skin care, hair care.
Check Digit Verification of cas no
The CAS Registry Mumber 1085-12-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,8 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1085-12:
(6*1)+(5*0)+(4*8)+(3*5)+(2*1)+(1*2)=57
57 % 10 = 7
So 1085-12-7 is a valid CAS Registry Number.
InChI:InChI=1/C14H20O3/c1-2-3-4-5-6-11-17-14(16)12-7-9-13(15)10-8-12/h7-10,15H,2-6,11H2,1H3
1085-12-7Relevant articles and documents
Pd/C-Catalyzed Carbonylative Esterification of Aryl Halides with Alcohols by Using Oxiranes as CO Sources
Min, Byul-Hana,Kim, Dong-Su,Park, Hyo-Soon,Jun, Chul-Ho
supporting information, p. 6234 - 6238 (2016/05/02)
A carbonylative esterification reaction between aryl bromides and alcohols, promoted by Pd/C and NaF in the presence of oxiranes, has been developed. In this process, oxiranes serve as sources of carbon monoxide by their conversion to aldehydes through a palladium-promoted Meinwald rearrangement pathway. Intramolecular versions of this process serve as methods for the synthesis of lactones and phthalimides. CO gas free! A carbonylative esterification reaction between aryl bromides and alcohols, promoted by Pd/C and NaF in the presence of oxiranes, has been developed. In this process, oxiranes serve as sources of carbon monoxide by their conversion to aldehydes through a palladium-promoted Meinwald rearrangement pathway (see scheme).
Inhibition of estrone sulfatase (ES) by alkyl and cycloalkyl ester derivatives of 4-[(aminosulfonyl)oxy] benzoic acid
Patel, Chirag K.,Owen, Caroline P.,Ahmed, Sabbir
, p. 605 - 609 (2007/10/03)
In our search for potent inhibitors of the enzyme estrone sulfatase (ES), we have undertaken the synthesis and biochemical evaluation of a range of esters of 4-[(aminosulfonyl)oxy] benzoic acid. The results of the study show that the synthesised compounds possess potent inhibitory activity, indeed the cyclooctyl derivative was found to be more potent than 667-COUMATE, which is currently undergoing clinical trials.
Inhibition of estrone sulfatase (ES) by derivatives of 4-[(aminosulfonyl)oxy] benzoic acid
Ahmed, Sabbir,James, Karen,Owen, Caroline P
, p. 2391 - 2394 (2007/10/03)
In our search for potent inhibitors of the enzyme estrone sulfatase (ES), we have undertaken the synthesis and biochemical evaluation of a range of straight chain alkyl esters of 4-[(aminosulfonyl)oxy] benzoic acid. The results of the study show that the synthesised compounds possess greater inhibitory activity when compared to COUMATE, although they were all found to possess lower inhibitory activity with respect to EMATE. Furthermore, the data suggest a strong correlation between logP and IC50 and therefore adds further support to our previous report where we suggested a link between inhibitory activity and hydrophobicity.
