미리스트 산

Myristic Acid

HCID 11005CAS 32112-52-0

기본 정보

표준 SMILES
CCCCCCCCCCCCCC(=O)O
InChIKey
TUNFSRHWOTWDNC-UHFFFAOYSA-N
분자식
C14H28O2
평균 분자량
228.37 g/mol
단동위원소 질량
228.20893014

개요

Tetradecanoic acid is an oily white crystalline solid. (NTP, 1992)

이름 및 식별자

우선 이름
Myristic Acid
IUPAC
tetradecanoic acid
현지명
미리스트 산
영어명
Myristic acid
분자식
C14H28O2
분자량
228.37

이름 및 동의어

Tetradecanoic acidMYRISTIC ACID544-63-8n-Tetradecanoic acidn-Tetradecoic acidn-Tetradecan-1-oic acidCrodacid1-Tridecanecarboxylic acidHystrene 9014Hydrofol acid 1495Univol U 316SEmery 655
이름 더 보기
미리스트산미리스틴산테트라데칸산미리스틱산미리스틱애씨드미리스트산n-테트라데칸산FEMA 2764MYRISTATE acidNAA104MyristinsαureMYRISTIC ACID (TETRADECANOIC ACID)14:0
MyristinsaeureMyristic acid, puretetradecoic acidFEMA No. 2764C14:0DTXSID6021666NSC-5028PHILACID-1400

데이터베이스 식별자

CAS
32112-52-0、544-63-8
PubChem CID
11005
DTXSID
DTXSID6021666
ChEMBL
CHEMBL111077
ChEBI
CHEBI:28875
UNII
0I3V7S25AW
EC Number
208-875-2、250-924-5
Nikkaji
J4.411C

물성

구조 계산 물성

XLogP
5.3
극성 표면적
37.3 Ų
수소 결합 공여자 수
1
수소 결합 수용자 수
2
회전 가능 결합 수
12
무거운 원자 수
16

실험 및 물리화학적 성질

Chemical ClassesOther Classes -> Organic Acids
DrugsPharmaceuticals -> Listed in ZINC15
Lipids · 2건

Lipids -> Unambiguous Lipids

Fatty Acyls [FA] -> Fatty Acids and Conjugates [FA01] -> Straight chain fatty acids [FA0101]

Cosmetics · 2건

Cosmetic ingredients (Myristic Acid) -> CIR (Cosmetic Ingredient Review)

Cleansing; Emulsifying

SpringerMaterials PropertiesBoiling point
FragrancesFragrance Ingredient (Myristic acid) -> IFRA transparency List

물리화학적 성질

녹는점
52 · 52-54 °C(lit.)
끓는 점
250 °C100 · 250 °C100 mm Hg(lit.)
밀도
0.862 · 0.862
증기압
0.01 hPa · <0.01 hPa (20 °C)
FEMA
2764 · 2764 | MYRISTIC ACID
굴절률
60 · nD60 1.4305; nD70 1.4273

화학적 성질

Myristic acid occurs as an oily white crystalline solid with a faint, waxy, oily odor.

안전 및 규제

GHS 분류

GHS Classification · 5건

This chemical does not meet GHS hazard criteria for 80.5% (2188 of 2717) of all reports.

Warning

H319 (13.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)

Aggregated GHS information provided per 2717 reports by companies from 13 notifications to the ECHA C&L Inventory.

유해성 정보

Regulatory Information · 4건

Chemical: Tetradecanoic acid

Tetradecanoic acid is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Tetradecanoic acid are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Restricted substance: Lead dimyristate

Myristic acid: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Tetradecanoic acid: Environment tier I assessment
Fire HazardsThis chemical is probably combustible. (NTP, 1992)
Fire PotentialCombustible
Health HazardsSYMPTOMS: Symptoms of exposure to this compound may include irritation of the skin and eyes.
Hazards SummaryEmergency medical treatment: non-toxic ingestion; [HSDB] May cause skin and eye irritation; [CAMEO] In intravenous, lethal-dose animal studies, causes convulsions; [RTECS]

안전 및 보호

Fire FightingFires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
First Aid · 1건

EYES: First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.

Nonfire Spill Response · 1건

SMALL SPILLS AND LEAKAGE: Should a spill occur while you are handling this chemical, FIRST REMOVE ALL SOURCES OF IGNITION, then you should dampen the solid spill material with 60-70% ethanol and transfer the dampened material to a suitable container. Use absorbent paper dampened with 60-70% ethanol to pick up any remaining material. Seal the absorbent paper, and any of your clothes, which may be contaminated, in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with 60-70% ethanol followed by washing with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Disposal Methods · 1건

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.

Protective Action Criteria (PAC) · 3건

30 [mg/m3]

330 [mg/m3]

2000 [mg/m3]

Personal Protective Equipment (PPE) · 1건

RECOMMENDED RESPIRATOR: Where the neat test chemical is weighed and diluted, wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter. (NTP, 1992)

독성 정보

Body BurdenThe myristic acid content in milk fat ranges from 15.56 to 22.62% of total acids, with an average myristic acid content of 19.78% of total acids(1).
Interactions · 4건

CELL GROWTH OF SACCHAROMYCES CEREVISIAE ATCC 12341 WAS INHIBITED BY THE ANTIBIOTIC CERULENIN, A SPECIFIC INHIBITOR OF FATTY ACID & STEROL SYNTHESIS, WAS REVERSED BY MYRISTIC ACID IN A 14:0 RATIO. IT PRODUCED OVER 70% REVERSION OF CELL GROWTH INHIBITION. MYRISTIC ACID TAKEN INTO THE CELLS WAS METABOLIZED & SYNTHESIZED INTO FATTY ACIDS OF A COMPOSITION CLOSELY SIMILAR TO THAT OF THE NATIVE FATTY ACIDS, & THIS WAS CONSIDERED TO BE RESPONSIBLE FOR THE RECOVERY OF CELL GROWTH.

... Reports the results of a 6 week feeding study in rats exposed to a diet that contained 50% fat as caprilic and myristic acids. This resulted in hyperlipidemia but no other effects were reported. ... Describes the results of a 90 day feeding study in rabbits that received 25 mg/kg/day of hydrogenated coconut oil (containing glycerides of lauric, capric, myristic, palmitic, and oleic acids). Rabbits exhibited hypercholesteremia, increased plasma triglycerides and fatty acids, accumulation of cholesterol in the liver and aorta, and alteration of hepatic enzyme activity.

The effect of dietary myristic acid, fed as trimyristin either mixed or interesterified with groundnut oil, on serum cholesterol levels was examined in rats. Incorporation of trimyristin in the oil resulted in marked incr in serum cholesterol levels, compared with rats fed groundnut oil only, although a direct relation between serum cholesterol & the myristic acid content of the dietary fat was not apparent. /Ttrimyristin/

... Associations between serum fatty acid composition as well as fatty acid intakes and prostate cancer risk were examined ... The cohort included 29,133 male smokers aged 50-69 years. During 5-8 years of follow-up, 246 prostate cancer cases were diagnosed. One control was selected and matched by age (1 month) for each case from the cohort subjects alive and free of prostate cancer at the time the case was diagnosed. This study included 198 case-control pairs with baseline serum sample available for both. Fatty acids of serum cholesterol esters were measured as a percentage of total fatty acids, using capillary gas chromatography. Intakes of fatty acids were assessed from a validated self-administered dietary questionnaire ... Twofold risk was found in the highest quartile of serum myristic acid compared with the lowest quartile (odds ratio, 1.93; 95% confidence interval, 1.02-3.64) ...

Ecotoxicity Values · 2건

LC50 Oryzias latipes (red killifish) 118 mg/L/96 hr; Conditions: semistatic test, renewal every 24 hr. /Sodium salt/

EC50 Methanothrix sp. (bacteria) 4.8 mmol (1096 mg)/L/24 hr; Conditions: upflow anaerobic sludge bed rector (predominant methanogen in sludge: Methanothrix), 30 °C, pH 7, intermittent stirring every 30 min for 30 sec, acetate as carbon source; Effect: inhibition of methanogenic activity (minimum inhibitory concn 2.6 mmol (594 mg)/L/24 hr). /Technical grade/

Environmental Fate · 3건

TERRESTRIAL FATE: Based on a classification scheme(1), an estimated Koc value of 50,000 for the free acid(SRC), determined from a log Kow of 6.11(2) and a regression-derived equation(3), indicates that undissociated myristic acid is expected to be immobile in soil(SRC). The pKa of myristic acid is 4.90(4), indicating that this compound will exist almost entirely in anion form in the environment and anions generally do not adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts(5). Volatilization of myristic acid from moist soil surfaces is not expected to be an important fate process(SRC) given the pKa(4). Myristic acid is not expected to volatilize from dry soil surfaces(SRC) based upon a vapor pressure of 1.4X10-6 mm Hg(6). Myristic acid reached 2% of its theoretical BOD over 5 days in a sewage inoculum(7); a half-life of 20 hours was observed for the sodium salt in Warburg tests using an unacclimated sludge inoculum at 25 °C(8).

AQUATIC FATE: Based on a classification scheme(1), an estimated Koc value of 50,000 for the free acid(SRC), determined from a log Kow of 6.11(2) and a regression-derived equation(3), indicates that undissociated myristic acid is expected to adsorb to suspended solids and sediment(SRC). A pKa of 4.90(4) indicates myristic acid will exist almost entirely in the anion form at pH values of 5 to 9 and therefore volatilization from water surfaces is not expected to be an important fate process(5). According to a classification scheme(6), an estimated BCF of 56(SRC), from its log Kow(2) and a regression-derived equation(7), suggests the potential for bioconcentration in aquatic organisms is moderate(SRC). Myristic acid reached 2% of its theoretical BOD over 5 days in a sewage inoculum(8); a half-life of 20 hours was observed for the sodium salt in Warburg tests using an unacclimated sludge inoculum at 25 °C(9).

ATMOSPHERIC FATE: According to a model of gas/particle partitioning of semivolatile organic compounds in the atmosphere(1), myristic acid, which has a vapor pressure of 1.4X10-6 mm Hg at 25 °C(2), will exist in both the vapor and particulate phases in the ambient atmosphere. Vapor-phase myristic acid is degraded in the atmosphere by reaction with photochemically-produced hydroxyl radicals(SRC); the half-life for this reaction in air is estimated to be 23 hours(SRC), calculated from its rate constant of 1.7X10-11 cu cm/molecule-sec at 25 °C(SRC) that was derived using a structure estimation method(3). Particulate-phase myristic acid may be removed from the air by wet or dry deposition(SRC). Myristic acid does not contain chromophores that absorb at wavelengths >290 nm and therefore is not expected to be susceptible to direct photolysis by sunlight(4).

Food Survey Values · 1건

Myristic acid has been identified as a volatile flavor component of mutton and beef(1). Myristic acid was identified as a volatile constituent of blended nectarine skin and pulp(2). Aerosol emission rates of myristic acid from charbroiling hamburger were 17.1 mg/kg of meat cooked for extra lean hamburger (approx. 10.0% fat) and 87.0 mg/kg of meat cooked for regular hamburger (approx. 21% fat); frying hamburger meat led to a myristic acid emission rate of 6.2 mg/kg of meat cooked(3). Myristic acid was found in paprika oleoresin at <0.1 mg/kg(4).

Milk ConcentrationsENVIRONMENTAL: The myristic acid content in milk fat ranges from 15.56 to 22.62% of total acids, with an average myristic acid content of 19.78% of total acids(1).

규제 정보

FDA Requirements · 1건

Myristic acid is a food additive permitted for direct addition to food for human consumption, as long as 1) the quantity of the substance added to food does not exceed the amount reasonably required to accomplish its intended physical, nutritive, or other technical effect in food, and 2) any substance intended for use in or on food is of appropriate food grade and is prepared and handled as a food ingredient.

안전 데이터

wgk
-
tsca
TSCA listed
rtecs
QH4375000
독성
LD50 i.v. in mice: 432.6 mg/kg (Or, Wretlind)
HS 번호
29159080
risk_code
36/37/38-38

화학 및 산업

약리 정보

Mechanism of Action · 1건

... The specific hypothesis tested was that free fatty acid association with CD36, a class B scavenger receptor, induces the activation of endothelial nitric-oxide synthase (eNOS). A human microvascular endothelial cell line and a transfected Chinese hamster ovary cell system were used to determine which free fatty acids stimulate eNOS. Surprisingly, only myristic acid, and to a lesser extent palmitic acid, stimulated eNOS. The stimulation of eNOS was dose- and time-dependent. Competition experiments with other free fatty acids and with a CD36-blocking antibody demonstrated that the effects of myristic acid on eNOS required association with CD36. Further mechanistic studies demonstrated that the effects of myristic acid on eNOS function were not dependent on PI 3-kinase, Akt kinase, or calcium. Pharmacological studies and dominant negative constructs were used to demonstrate that myristic acid/CD36 stimulation of eNOS activity was dependent on the activation of AMP kinase. These data demonstrate an unexpected link among myristic acid, CD36, AMP kinase, and eNOS activity.

Metabolism/Metabolites · 6건

IN RATS FED COCONUT OIL, MYRISTIC ACID WAS ONE OF THE PRINCIPAL FATTY ACIDS PRESENT IN HEPATIC AND ADIPOSE TISSUE TRIGLYCERIDES. ETHANOL INCR THE PROPORTIONS OF MYRISTIC ACID.

IN ADDITION TO METABOLISM BY BETA-OXIDATION, MYRISTIC ACID HAS BEEN SHOWN TO UNDERGO CHAIN ELONGATION TO PALMITIC & STEARIC ACIDS, DESATURATION TO MYRISTOLEIC ACID & INCORPORATION INTO HEPATIC NEUTRAL LIPIDS (& TO A LESSER EXTENT, PHOSPHOLIPIDS).

THE CONVERSION OF SATURATED FATTY ACIDS TO MONOUNSATURATED FATTY ACIDS BY THE 9000 X G SUPERNATANT RAT LIVER HOMOGENATE WAS LESS FOR MYRISTIC ACID THAN FOR PALMITIC ACID. THESE FATTY ACIDS PRODUCED ONLY DELTA9-MONOENOIC ACIDS OF THE SAME CHAIN LENGTH.

MYRISTATE INCORPORATED FROM (14)C-LABELED ACETATE WAS PREFERENTIALLY ESTERIFIED INTO TRIGLYCERIDE, WHEREAS THE LABELED STEARATE WAS CONVERTED INTO PHOSPHOLIPIDS IN THE ISOLATED RAT ADIPOSE CELLS.

For more Metabolism/Metabolites (Complete) data for MYRISTIC ACID (6 total), please visit the HSDB record page.

Tetradecanoic acid has known human metabolites that include 13-Hydroxytetradecanoic acid.

Absorption, Distribution and Excretion · 3건

IN NORMAL RATS, HIGHER RADIOACTIVITY WAS FOUND IN HEART, LIVER, SPLEEN & ADRENALS 2 HR AFTER ADMIN OF PALMITIC ACID THAN AFTER ADMIN OF MYRISTIC ACID. IN GRANULOMA POUCH-BEARING RATS, RADIOACTIVITY SHOWED HIGHER DISTRIBUTION IN ADRENALS & POUCH EXUDATE 2 HR AFTER PALMITIC ACID ADMIN, COMPARED TO THOSE GIVEN MYRISTIC ACID. RADIOACTIVITY IN THE POUCH WALL WAS GREATER IN RATS GIVEN MYRISTIC ACID.

Fatty acids originating from adipose tissue stores are either bound to serum albumin or remain unesterified in the blood.

Oleic, Palmitic, Myristic, and Stearic Acids are primarily transported via the lymphatic system, and Lauric Acid is transported by the lymphatic and (as a free fatty acid) portal systems.

Tissue LocationsAdipose Tissue
Cellular LocationsCytoplasm
Metabolite PathwaysFatty Acid Biosynthesis

용도 및 제조

Uses · 6건

CIR ingredient: Myristic Acid

Found in most animal and vegetable fats; [Merck Index] Used as a flavor and fragrance in food, soaps, shaving creams, perfumes, and cosmetics; Also used in lubricants and coatings for anodized aluminum; [HSDB]

Aluminum Producing [Category: Industry]

CHEM INT FOR NITROGEN DERIVS-EG, ALKANOLAMINE CONDENSATES

CHEM INT FOR ISOPROPYL MYRISTATE (EMOLLIENT, PLASTICIZER)

Myristic acid is used in the food industry as a flavor ingredient. It is found widely distributed in fats throughout the plant and animal kingdom, including common human foodstuffs, such as nutmeg.

U.S. Production · 5건

2023: 10,000,000 - <50,000,000 lb

(1979) 6.95X10+9 G (MIXT WITH C12 ACID)

(1981) 5.54X10+9 G (MIXT WITH C12 ACID)

Production volumes for non-confidential chemicals reported under the Inventory Update Rule. [Table#5500]

Tetradecanoic acid is listed as a High Production Volume (HPV) chemical (65FR81686). Chemicals listed as HPV were produced in or imported into the U.S. in >1 million pounds in 1990 and/or 1994. The HPV list is based on the 1990 Inventory Update Rule. (IUR) (40 CFR part 710 subpart B; 51FR21438).

Consumer UsesOther
Industry UsesEmulsifier
Methods of Manufacturing · 4건

Preparation from tall-oil fatty acids: Segessmann, Molnar, U.S. pat 2,481,356 (1949); from 9-ketotetradecanoic acid; by electrolysis of methyl hydrogen adipate + decanoic acid; by Maurer oxidation of myristyl alcohol; from cetanol: Selwitz, U.S. pat. 2,969,380 (1961 to Gulf).

Fractional distillation of coconut acid and other vegetable oils.

Lauric acid, broad cut (fractionation; coproduced with lauric acid, narrow cut).

From fatty acid mixture of palm seed oil.

Formulations/PreparationsGRADES: Technical; 99.8%; FCC
응용 분야 · 3건

개요Myristic acid, also called tetradecanoic acid , is a common saturated fatty acid with the molecular formula CH3(CH2)12COOH. A myristate is a salt or ester of myristic acid. Myristic acid is named after the nutmeg Myristica fragrans. Nutmeg butter is 75 % trimyristin, the triglyceride of myristic acid. Besides nutmeg, myristic acid is also found in palm kernel oil, coconut oil, butter fat and is a minor component of many other animal fats. It is also found in spermaceti, the crystallized fraction of oil from the sperm whale. Myristic acid is also commonly added co-translationally to the penultimate, nitrogen-terminus, glycine in receptor-associated kinases to confer the membrane localisation of the enzyme. The myristic acid has a sufficiently high hydrophobicity to become incorporated into the fatty acyl core of the phospholipid bilayer of the plasma membrane of the eukaryotic cell. In this way, myristic acid acts as a lipid anchor in biomembranes. The ester isopropyl myristate is used in cosmetic and topical medicinal preparations where good absorption through the skin is desired. Reduction of myristic acid yields myristyl aldehyde and myristyl alcohol.

출처Reported found in nutmeg, palm seed, sperm whale oil, blue cheese, burley tobacco, cooked beef and chicken, fish, rum, apricot, banana, lemon and grapefruit juice, cranberry, guava, grapes, melon, papaya, raspberry, strawberry fruit and jam, cucumber, tomato, many cheeses, thyme, breads, butter, milk, lamb liver, pork, hop oil, beer, cognac, whiskies, peanut oil, cocoa, tea, coconut meat and milk, cloudberry, beans, passion fruit, mushroom, mango, starfruit, tamarind, kelp, cardamom, rice, buckwheat, watercress, malt, wort, loquat, Bourbon vanilla, lemon balm, shrimp, nectarine, crab, scallop, squid, cape gooseberry, Chinese quince, pawpaw and sweet grass oil.

일반 설명Oily white crystalline solid.

제조 방법

Prepared from the fatty acid mixture of palm seed oil.

생산 방법Myristic acid occurs naturally in nutmeg butter and in most animal and vegetables fats. Synthetically, it may be prepared by electrolysis of methyl hydrogen adipate and decanoic acid or by Maurer oxidation of myristyl alcohol.

추가 설명 · 3건

순도시험(1) 산가 : 이 품목 0.5g을 정밀히 달아 유지류시험법 중 산가에 따라 시험할 때, 242~249이어야 한다. (2) 응고점 : 이 품목의 응고점은 48.0~55.5℃이다. (3) 납 : 이 품목 5.0g을 취하여 원자흡광광도법 또는 유도결합플라즈마발광광도법에 따라 시험할 때, 그 양은 1.0ppm 이하이어야 한다. (4) 비소 : 이 품목을 비소시험법에 따라 시험할 때, 그 양은 4.0ppm 이하이어야 한다. (5) 수은 : 이 품목을 수은시험법에 따라 시험할 때, 그 양은 1.0ppm 이하이어야 한다. (6) 요오드가 : 이 품목 약 25g을 정밀히 달은 다음 미리 빙초산․시클로헥산의 혼액(1 : 1) 20mL 및 위이스시액 25mL를 넣어 둔 500mL 공전삼각플라스크에 가해주고 마개를 하고 격렬히 흔들어 준 다음 1시간 어두운 곳에 방치시킨 후 요오드칼륨시액 20mL, 끓여서 식힌 물 100mL를 가하여 과량의 요오드를 0.1N 치오황산나트륨용액으로 적정한다. 이때, 황색이 거의 없어질 때까지 계속 흔들어 주면서 일정하게 0.1N 치오황산나트륨용액을 적가한 다음 다시 전분시액을 가하여 청색이 완전히 없어질 때까지 적정을 계속한다. 종말점 가까이에서는 마개를 하여 격렬히 흔들어 준다. 따로 같은 방법으로 공시험을 행하고 다음 계산식에 따라 요오드가를 구할 때, 그 값은 1.0 이하이어야 한다.B : 공시험의 0.1N 치오황산나트륨용액의 소비량(mL)S : 본시험의 0.1N 치오황산나트륨용액의 소비량(mL) (7) 검화가 : 이 품목 3g을 정밀히 달아 250mL 플라스크에 넣고 0.5N 알콜성수산화칼륨용액 50mL를 가해주고 환류냉각기를 부착한 다음 약 30분 내지 1시간 조용히 검화시킨다. 이 액을 시험용액으로 하여 유지류시험법 중 검화가의 방법에 따라 시험하고, 다시 플라스크의 내용물이 끓을 때까지 가열하고 나타난 홍색이 없어질 때까지 적정하여 검화가를 구할 때, 그 값은 242~251이어야 한다. (8) 불검화물 : 이 품목 5g을 정밀히 달아 250mL 플라스크에 취하고 수산화칼륨 2g 및 에탄올 40mL를 가해주고 환류냉각기를 부착한 다음 조용히 1시간 가열한다. 플라스크의 내용물을 40mL, 80mL, 130mL 눈금이 표시되어 있는 분액여두(길이 30cm, 직경 3.5cm)에 옮기고 플라스크는 충분한 양의 에탄올로 씻어 분액여두에 합하여 40mL로 하고, 다시 더운물과 찬물을 사용하여 플라스크를 씻어 옮겨주고 전량을 80mL로 한다. 마지막으로 석유에테르 수 mL로 플라스크를 씻어 분액여두에 옮겨주고 식힌 다음 석유에테르 50mL를 가해주고 실온이 될 때까지 내용물을 식힌 후 마개를 하고 최소한 1분간 격렬히 진탕한 후 방치하여 두 층으로 분리시킨다. 가능한 한 완전히 분리하고 상층액인 에테르층을 500mL 분액여두에 모은 다음 석유에테르 50mL씩으로 6번 추출한 후 추출액을 처음의 추출액과 합치고 이를 10% 에탄올 25mL로 씻어 주고 물층이 페놀프탈레인시액으로 정색하지 않을 때까지 이 조작을 반복한 후 물층을 완전히 제거한다. 에테르추출액은 미리 무게를 달아둔 비이커에 옮겨주고 에테르 10mL를 사용하여 분액여두를 씻은 다음 비이커에 합해 주고 비이커의 에테르를 수욕상에서 증발건고 한 후 다음 100℃에서 30분간 항량이 될 때까지 건조하고 데시케이타내에서 방냉한 다음 잔류물의 양을 구한다. 이어서 잔류물을 미리 페놀프탈레인시액을 지시약으로 하여 수산화나트륨시액으로 중화시킨 따뜻한 알콜 50mL에 녹이고 0.02N 수산화나트륨용액으로 엷은 홍색이 지속될 때까지 적정하고 그 소비 mL수에 5.659(mg)를 곱하여 올레인산으로서의 양을 구하고 다음 계산식에 따라 불검화물 값을 구할 때, 그 양은 1.0% 이하이어야 한다.

정의이 품목은 코코넛오일 및 기타 지방에서 얻어지는 고형지방산으로서 그 주성분은 미리스트산(C14H28O2)이다.

정의ChEBI: Tetradecanoic acid is a straight-chain, fourteen-carbon, long-chain saturated fatty acid mostly found in milk fat. It has a role as a human metabolite, an EC 3.1.1.1 (carboxylesterase) inhibitor, a Daphnia magna metabolite and an algal metabolite. It is a long-chain fatty acid and a straight-chain saturated fatty acid. It is a conjugate acid of a tetradecanoate.

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