Academic Staff

Assoc. Prof. Dr. Piyanuch Rojsanga Assoc. Prof. Dr. Piyanuch Rojsanga piyanuch.roj@mahidol.ac.th piyanuch.roj@mahidol.ac.th Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Mahidol University.

2021

1. Antioxidant, a-glucosidases and a-amylase inhibitory activities of persicaria odorata

   Thongra-ar K, Rojsanga P, Chewchinda S, Mangmool S, Sithisarn P*. Chiang Mai University Journal of Natural Sciences 2021; 20(3): 1-14.
   
   

2. Bioanalytical method validation for determination of rosmarinic acid in simulated biological media using hplc

   Chooluck K*, Rojsanga P, Phechkrajang C, Jaturanpinyo M. International Journal of Applied Pharmaceutics 2021; 13(2): 110-113.
   
   

3. Flavone-rich fractions and extracts from oroxylum indicum and their antibacterial activities against clinically isolated zoonotic bacteria and free radical scavenging effects

   Sithisarn P*, Rojsanga P, . Molecules (Basel, Switzerland) 2021; 26(6): 1773.
   
   

4. HPLC and chemometrics-assisted spectroscopic methods used for determination of dissolution of paracetamol and orphenadrine citrate in a combination tablet

   Sonchai S, Phechkrajang C, Rojsanga P*. Pharmaceutical Sciences Asia 2021; 48(6): 557-566.
   
   

2020

1. Assessment of optimal infusion condition for thunbergia laurifolia tea by using response surface methodology

   Rojsanga P, Jiewatakuntum P, Limwikrant W, Chooluck K*. Walailak journal of science and technology 2020; 17(10): 1077-1087.
   
   

2. Chemical standardization and anti-proliferative Activity of ardisia elliptica fruit against the HCT116 human colon cancer cell line

   Ondee S, Sithisarn P, Mangmool S, Rojsanga P*. Molecules 2020; 25(5): 1023.
   
   

3. Chemometrics-assisted ATR-IR spectroscopy for direct quantitation of caffeic acid and rosmarinic acid in Thunbergia laurifolia leaves

   Suwanvecho C, Suphakijudomkarn P, Chinoraso S, Sithisarn P, Rojsanga P*. Pharmaceutical sciences asia 2020; 47(3): (287-293).
   
   

4. Flavones contents in extracts from oroxylum indicum seeds and plant tissue cultures

   Rojsanga P, Bunsupa S, Sithisarn P*. Molecules 2020; 25(7): 1545.
   
   

5. Quantitative models for detecting the presence of lead in turmeric using Raman spectroscopy

   Khongkaew P, Phechkrajang C, Cruz J*, Cárdenas V, Rojsanga P. Chemometrics and intelligent laboratory systems 2020; 200: 103994.
   
   

2019

1. Inhibitory effects on clinical isolated bacteria and simultaneous HPLC quantitative analysis of flavone contents in extracts from Oroxylum indicum

   Sithisarn P*, Rojsanga P, Sithisarn P. Molecules 2019;24(10):1937
   
   

2. Phytochemical profiles, antioxidant and antibacterial activities of 11 phellinus mushrooms collected in Thailand

   Sunthudlakhar P, Sithisarn P*, Wannissorn B, Jarikasem S, Rojsanga P*. Natural Products Journal 2019; 9(2); 144-156.
   
   

2018

1. High performance liquid chromatography fingerprinting and chemometric analysis of antioxidant quality of Thunbergia laurifolia leaves

   Ruangpayungsak N., Sithisarn P., Rojsanga P*. Journal of Liquid Chromatography and Related Technologies 2018; (Article in Press)
   
   

2. Preliminary findings of the effect of infusion variables on marker contents and antioxidant activity of Thunbergia laurifolia tea

   Rojsanga P , Raksaskulwong G , Ruaysaptawee K , Chooluck K*. Pharmaceutical Sciences Asia 2018; 45: 243-251
   
   

2017

1. Comparative Phytochemical Profiling and in Vitro Antioxidant Activity of Extracts from Raw Materials, Tissue-Cultured Plants, and Callus of Oroxylum indicum (L.) Vent.

   Rojsanga P., Bunsupa S., Brantner A.H., Sithisarn P. Evidence-based Complementary and Alternative Medicine 2017; 2017
   
   

2. Hypoglycaemic activity of Mathurameha, a Thai traditional herbal formula aqueous extract, and its effect on biochemical profiles of streptozotocin-nicotinamide-induced diabetic rats

   Chayarop K, Peungvicha P*, Temsiririrkkul R, Wongkrajang Y, Chuakul W, Rojsanga P. BMC Complementary and Alternative Medicine 2017; 17(1): 343
   
   

3. Optimization of antioxidant extraction from Persicaria barbata leaves using response surface methodology (RSM)

   Jaroennoni P, Sithisarn P, Rojsanga P. Pharmaceutical Sciences Asia 2017; 44(3): 154-161
   
   

2016

1. Screening for Antibacterial and Antioxidant Activities and Phytochemical Analysis of Oroxylum indicum Fruit Extracts

   Sithisarn P, Nantateerapong P, Rojsanga P, Sithisarn P*. Molecules 2016; 21: 4
   
   

2. Simultaneous determination of ciprofloxacin hydrochloride and dexamethasone in ophthalmic solution by high performance liquid chromatography and derivative spectrophotometry

   Bantarapiwat K, Rojsanga P, Ruangwises N, Buranaphalin S*. Mahidol University Journal of Pharmaceutical Sciences 2016; 43 (4): 183-192
   
   

3. Validated TLC-densitometric method for determination of oxyresveratrol contents in ma-haad (Artocarpus lakoocha) heartwood extracts

   Rojsanga P*, Sithisarn P. Mahidol University Journal of Pharmaceutical Sciences 2016; 43 (2): 91-96
   
   

2015

1. Antioxidant Activity and Antibacterial Effects on Clinical Isolated Streptococcus suis and Staphylococcus intermedius of Extracts from Several Parts of Cladogynos orientalis and Their Phytochemical Screenings

   Sithisarn P*, Rojsanga P, Sithisarn P, Kongkiatpaiboon S. Evidence-based Complementary and Alternative Medicine 2015; 2015
   
   

2. Development and Validation of LC-MS/MS Method for Quantitative Determination of Adenosine, Guanosine, Xanthine and Uric acid in Widely Consumed Vegetables in Thailand

   Rukdee N, Rojsanga P, Phechkrajang CM*. Natural Product Communications 2015; 10(5): 1435-1437
   
   

3. Thunbergia laurifolia extract ameliorates cognitive and emotional deficits in olfactorectomized mice.

   Rojsanga P, Sithisarn P, Tanaka K, Mizuki D, Matsumoto K. Pharmaceutical Biology 2015; 53(8): 1141-1148
   
   

2014

1. Anti-diabetic activity and acute toxicity of Thai traditional herbal formula, Mathura Meha aqueous extract

   Chayarop K, Temsiririrkkul R, Peungvicha P, Wongkrajang Y, Chuakul W, Rojsanga P. Planta Medica 2014; 80(16): 1514-1514
   
   

2. Validated UV Spectrophotometric Method for Quantitative

   Rojsanga P*, Sithisarn P, Buranaphalin S. Mahidol University Journal of Pharmaceutical Sciences 2014; 41 (3): 41-47.
   
   

2013

1. Acetylcholinesterase inhibitory activity of didehydrostemofoline, stemofoline alkaloids and extracts from Stemona collinsiae Craib roots

   Kongkiatpaiboon S, Rojsanga P, Pattarajinda V, Gritsanapan W*. Pharmacognosy Journal 2013; 5(2): 56-59
   
   

2. Ameliorative effects of acanthopanax trifoliatus on cognitive and emotional deficits in olfactory bulbectomized mice: An animal model of depression and cognitive deficits

   Sithisarn P*, Rojsanga P, Jarikasem S, Tanaka K, Matsumoto K. Evidence-based Complementary and Alternative Medicine 2013; 2013
   
   

2012

1. The effect of crebanine on memory and cognition impairment via the alpha-7 nicotinic acetylcholine receptor

   Rojsanga P, Boonyarat C, Utsintong M, Nemecz A, Yamauchi JG, Talley TT, Olson AJ, Matsumoto K, Vajragupta O*. Life Sciences 2012; 91(3 มิ.ย.): 107-114
   
   

2. Virtual screening against acetylcholine binding protein

   Utsintong M, Rojsanga P, Ho K-Y, Talley TT, Olson AJ, Matsumoto K, Vajragupta O*. Journal of Biomolecular Screening 2012; 17(2): 204-215
   
   

2010

1. Analysis of ß-carotene in carrot by spectrophotometry

   Karnjanawipagul P, Nittayanuntawech W, Rojsanga P, Suntornsuk L*. Mahidol J Pharm. Sci 2010; 37(1-2): 8-16.
   
   

2. In vitro anti-proliferative activity of alcoholic stem extract of Coscinium fenestratum in human colorectal cancer cells

   Rojsanga P, Sukhthankar M, Krisanapun C, Gritsanapan W, Lawson DB, Baek SJ*. Exper Ther Med 2010; 1(1): 181-186.
   
   

2009

1. Rapid capillary electrophoretic analysis of berberine in the stem extracts of Coscinium fenestratum (Gaertn.) Colebr.

   Rojsanga P, Suntornsuk L, Gritsanapan W.* International Journal of Biomedical and Pharmaceutical Sciences 2009; 3(1): 39-41.
   
   

2008

1. Molecular authentication of Thai medicinal plant Khamin khruea by PCR-RFLP analysis

   Rojsanga P, Gritsanapan W, Leelamanit W, Sukrong S. Planta Med 2008; 74(9): 1089-1090
   
   

2006

1. Determination of berberine content in the stem extracts of Coscinium fenestratum by TLC densitometry

   Rojsanga P, Gritsanapan W*, Suntornsuk L. Med Princ Pract 2006; 15 (5):373-378
   
   

2005

1. Variation of berberine content in Coscinium fenestratum stem in Thailand market

   Rojsanga P,Gritsanapan W. Mahidol University J Pharm Sci. 2005; 32(3-4) :66-70
   
   

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หมายเหตุ: ชื่อที่ใช้ในการทำวิจัยของ Assoc. Prof. Dr. Piyanuch Rojsanga ได้แก่ ปิยนุช โรจน์สง่า ; Rojsanga P ;