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272943 occurrences (No.93 in the rank) during 5 years in the PubMed. [cache]
150) The chromatographic separation was carried out on a C8 column using isocratic mobile phase consisting of 40% (v/v) acetonitrile and 60% (v/v) orthophosphoric acid solution with flow rate of 1.5 mL/min.
* Development and validation of an HPLC-DAD analysis for pharmacopoeial qualification of industrial Capsicum extracts.
- A reverse-phase high-performance liquid chromatography method was developed to quantify capsaicin (trans-8-methyl-N-vanillyl-6-nonenamid), dihydrocapsaicin (8-methyl-N-vanillylnonanamide) and the main capsaicinoid contents of Capsicum extracts. The chromatographic separation was carried out on a C8 column using isocratic mobile phase consisting of 40% (v/v) acetonitrile and 60% (v/v) orthophosphoric acid solution with flow rate of 1.5 mL/min. The concentration of the eluting compounds was monitored by a diode-array detector at wavelength of 281 nm. The method was evaluated for number of validation characteristics (selectivity, accuracy (confidence intervals <1%), repeatability and intermediate precision (RSD% < 2.5%), limit of detection (LOD), limit of quantification (LOQ) and calibration range). The LOD was 0.25 µg/mL and the LOQ was 0.5 µg/mL. Using methanolic solutions of United States Pharmacopoeia (USP) Capsaicin and Dihydrocapsaicin Reference Standards, the method was linear over the concentration range 0.0005-0.5000 mg/mL for both capsaicinoids. The method was applied to qualify capsaicinoid content of two industrial capsicum extracts according to the USP 29.
=>1.酸っぱい, 2.辛辣な, 3.酸, 4.《俗語》麻薬, LSD
Overview of noun acid
The noun acid has 2 senses (first 1 from tagged texts)
1. (4) acid -- (any of various water-soluble compounds having a sour taste and capable of turning
litmus red and reacting with a base to form a salt)
2. acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds,
pane, superman, window pane, Zen -- (street name for lysergic acid diethylamide)
Overview of adj acid
The adj acid has 3 senses (first 1 from tagged texts)
1. (1) acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent,
vitriolic -- (harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a
barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering
criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a
sulfurous denunciation"; "a vitriolic critique")
2. acidic, acid, acidulent, acidulous -- (being sour to the taste)
3. acid -- (having the characteristics of an acid; "an acid reaction")
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