Oral and Poster Presentation/Proceeding

1. Rahayu WP, Kurnia SI. 1994. Pengaruh pertambahan kultur bakteri dan lama fermentasi terhadap mutu pikel jahe [The effect of bacterial culture and fermentation time on ginger’s pickle quality]. In: Proceeding of PIT. PERMI; Bogor, Indonesia. ISBN 079-8728.009

2.  Puspitasari NLRahayu WP, Andarwulan N, 1997. Sifat antioksidan dan antimikroba rempah-rempah dan bumbu tradisional. [Antimicrobe and antioxidant of traditional spices and herb]. In: Proceeding of Seminar Khasiat & Keamanan Rempah, Bumbu dan Jamu Tradisional. PKMT-IPB

3.    Rahayu WP. 1999. Aktivitas antimikroba lengkuas (Alpinia galanga L. Swartz) [Microbial activity on galangal Alpinia galanga L. Swartz)]. In: Proceeding of Seminar Nasional Makanan Tradisional Yogyakarta; 1999 March 16; Yogyakarta, Indonesia. Yogyakarta: Pusat Kajian Makannan Tradisional. p 144-152. ISBN 979-95554-1-8

4.   Rahayu WP, Fardiaz S, Jenie BSL, Satriawihardja B, Apriyantono A, Darusman LK. 1999. Ekstraksi dan fraksinasi komponen antimikroba dari rimpang lengkuas (Alpinia galanga L. Swartz) [Extraction and fractination of antimicrobial component from galangal (Alpinia galanga L. Swartz)]. In: Proceeding Seminar Nasional Makanan Tradisional Yogyakarta; 1999 Sept 14; Yogyakarta, Indonesia. Yogyakarta: Pusat Antar universitas Pangan dan Gizi UGM. p 389-397. ISBN 979-95554-1-8

5.    Rahayu WP, 1999. Aktivitas antioksidan lengkuas (Alpinia galanga L. Swartz) [Antioxidant activity of galangal (Alpinia galanga L. Swartz)]. In: Proceeding Seminar Nasional Teknologi Pangan; 1999 Oct 12-13; Jakarta, Indonesia. Jakarta: Perhimpunan Ahli Teknologi Pangan Indonesia. p 165-174. ISBN 979-95249-2-X

6.    Rahayu, W.P. Katrina A, Suliantari. 2000. Pengaruh pemanasan bumbu rendang terhadap aktivitas antimikroba pada S. aureus dan B. Cereus [The effect of rendang seasoning heating on S. aureus and B. Cereus microbial activity]. In: Proceeding Seminar Nasional Makanan Tradisional; 2000 Feb 26; Malang, Indonesia. Malang: Pusat Kajian Makanan Tradisional Universitas Brawijaya. p 40-50. ISBN 979-508-960-8

7.    Rahayu WP,Kuswanti Y. 2002. The sanitary condition of a campus canteen. In: Proceeding Safe Food, Good Health trough Modern Processing and Packaging Technology; 2002 Jun 12-14; Bangkok, Thailand. Bangkok: FoSTAT/PriPAK Asia 2002 Food Conference. p 23-32

8.    Rahayu WP, Hartini PB. 2005. The microbiological quality of street food in public cafeteria. Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

9.    Rahayu WP, Sparringa RA, Nababan H, Fardiaz D. 2005. Together we can improve food safety in Indonesia. Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

10.  Sparringa RA, Rahayu WP, Nababan H, Fardiaz D. 2005. Keeping an eye on food safety:  The Indonesian approach to food monitoring. Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

11.  Nababan H, Sparringa RA, Fardiaz D Rahayu WP. 2005. The Food Stars Awards: The Indonesian approach to food safety education.  Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

12.  Rahayu WP, Nababan H. 2005. Food safety education in Indonesia. Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

13.  Sparringa RA, Rahayu WP. 2005. Exposure assessment of elementary school children to cyclamate and saccharin: a total diet study. Asean Food Conference; 2005 Augt 8-10; Jakarta, Indonesia. Jakarta: LIPI Press. ISBN 979-3673-46-x

14.  Rahayu WP, Nababan H. 2006. Improving food safety through the development of food star award system. The 13th World Congress of Food Science & Technology; 2006 Sept 17-21; Nantes, Franch. Nantes: IUFoST. p 65

15.  Rahayu WP, Sparringa R. 2006. Exposure assessment of benzoate in foods consumed by elementary school children using total diet approach. The 13th World Congress of Food Science & Technology; 2006 Sept 17-21; Nantes, Franch. Nantes: IUFoST. p 65

16.  Rahayu WP,Fitri RN. 2008. Persepsi orang tua dan guru terhadap keamanan pangan jajanan anak sekolah dasar di kota Bogor.In: Proceeding Seminar PATPI; 14-16 Okt 2008; Palembang, Indonesia. Palembang: Perhimpunan Ahli Teknologi Pangan indonesia. p 1221-1227. ISBN 978-979-95249-7-3

17.  Murhandini S, Rusmawati E, Adriany R, Mardja TE, Rahayu WP. 2008.Uji toksisitas akut chitosan pada mencit. In: Proceeding Seminar PATPI; 2008 Oct 14-16; Palembang, Indonesia. Palembang: Perhimpunan Ahli Teknologi Pangan indonesia. p 690-695. ISBN 978-979-95249-7-3

18. Rahayu WP, MawaddahR, NurjanahS, PanggabeanRI, NikastriE. 2008.Kajian hasil riset potensi antimikroba alami danaplikasinya dalam produk pangan nabati. In: Proceeding Seminar PATPI; 2008 Oct 14-16; Palembang, Indonesia. Palembang: Perhimpunan Ahli Teknologi Pangan indonesia. p 406-414. ISBN 978-979-95249-7-3

19.  Siregar MN, Astuti S, Yarni L, Murhandini S, Rahayu WP. 2009. Produksi Zerumbon dari rimpang lempuyang gajah (Zingiber Zerumbet) [Zerumbon isolation and characterization from lempuyang gajah (Zingiber Zerumbet) rhizome]. Seminar POKJANAS TOI XXXVI; 2009 May 13-14; Yogyakarta, Indonesia. Yogyakarta

20.  Rahayu WP, Panggabean RI, Nikastri E, Pusparini N. 2009. Modified method for isolation and identificationDNA of S. aureusand E. coli in Food. 11th Asean Food Conference; 2009 Oct 21-23; Bandar Seri Begawan, Brunei Darusalam. Bandar seri Begawan:  p 786

21.  Rahayu WP,Sparringa RA, Ananda I. 2009. The Mechanism for food borne disease outbreakinvestigation and response in indonesia. 11th Asean Food Conference; 2009 Oct 21-23; Bandar Seri Begawan, Brunei Darusalam. Bandar seri Begawan: p 188

22.  Parhusif AJN, Jenie BSL, Rahayu WP, Yasni S. 2009. Pengaruh polaritas dan konsentrasi ekstrak andaliman terhadap pertumbuhan S. aureus[The influence of polarity and andaliman extract on S. aureusgrowth]. Seminar PATPI; 2009 Nov 3-4; Jakarta, Indonesia. Jakarta: Perhimpunan Ahli Teknologi Pangan Indonesia. ISBN 978-979-99570-5-4

23.  Sukarya R, Ariyanti T,Rahayu WP. 2009. Aplikasi bakteriosin dari Lactobacillus sp. galur SCG 1223 sebagai pengawet daging ayam segar [Bacteriocin application from Lactobacillus sp. Strain SCG 1223 as a preservative in fresh chicken].Seminar PATPI; 2009 Nov 3-4; Jakarta, Indonesia. Jakarta: Perhimpunan Ahli Teknologi Pangan Indonesia. ISBN 978-979-99570-5-4

24.  Faridah DN, Rahayu WP, Apriyadi MS. 2009. Modifikasi pati garut (Marantha arundinacea L.) dengan perlakuan hidrolisis asam dan siklus pemanasan-pendinginan untuk menghasilkan pati resisten tipe3 [Modification of arrowroot (Marantha arundinacea L.) starch through acid hydrolisis and autoclaving-cooling cycling treatment to produce resistant starch tipe 3].Seminar PATPI; 2009 Nov 3-4; Jakarta, Indonesia. Jakarta: Perhimpunan Ahli Teknologi Pangan Indonesia. ISBN 978-979-99570-5-4

25.  Yarni L, Murhandini, S. Rahayu WP. 2010. Produksi senyawa marker quercitrin dari batang benalu teh (Scurulla atropurpurea(BI.) Dans.) [Produce of marker quercitrin compound from (Scurulla atropurpurea(BI.) Dans.)].SEMIRATA (BKS-PTN B);2010 May 10-11; Pekanbaru, Indonesia

26.  Yarni L, Nasrullah I, Murhandini S, Rahayu WP. 2010. Isolation and identification a-mangostin as a marker compound from Garcinia mangostana L. HULL.The 38th Meeting of National Working Group for Indonesian Medicinal Plant International Conference on Medicinal Plants; 2010 July 21-23; Surabaya, Indonesia

27. Rahayu WP, Rahayu UR, Hutagaol M, Panggabean RIL. 2010.Endogenous formaldehyde level on foods.The 15th World Congress of Food Science and Technology; 2010 Augt 22-26; Cape Town, South Africa. p 67

28.  NasrullahI, Astuti S, Yarni L, Murhandini S, Rahayu WP. 2010. Isolation and Identification Zederon as a marker compound of Curcuma aeruginosa Roxb. The 1st Kamphaeng Saen International Natural products Symposium; 2010 Oct 23-24; Bangkok, Thailand

29.  Hartuti W, Pusparini N, Panggabean IR, Rahayu WP. 2010. Analysis of DEHP (Di-(2-Ethylhexyl) Phthalate) asmigrating substances from plastic food packaging materials.International Conference Emerging Issues and Technology Developments in Foods and Ingredients;2010 Sept 29-30; Jakarta, Indonesia. Jakarta: PATPI. p 143

30.  Herawati D, Kusnandar F, Palupi HS, Rahayu WP, Stefanus. 2010. Formulation and frying time optimization of instant corn noodle. International Conference Emerging Issues and Technology Developments in Foods and Ingredients;2010 Sept 29-30; Jakarta, Indonesia. Jakarta: PATPI. p 49

31.  Adriany R, Rusmawati E, Murhandini S, Rahmi F, Mardja TE, Murtiningsih, Rahayu WP. 2010.Sub-chronic toxicity test for chitosan. International Conference, Exhibition and Short Course on Nutraceuticals and Functional Foods; 2010 Oct 11-15;Bali, Indonesia. Bali: Ministri of Agriculture Republic of indonesia. p 140

32.  Siregar MN, Nasrullah I, Murhandini S, Rahayu WP. 2010. Analytical protocol for determination alpha mangostin as Garcinia mangostana L. marker using HPLC.  International Conference on 2nd Biennal International Conference on New Developments in Drug Discovery from Natural Products and Traditional Medicines 2010; 2010 Nov 20-24; Punjab, India

33.  Yuliangsih S, Pusparini N, Khotimah K, Panggabean RIL, Rahayu WP. 2010.Comparison of three extraction methods for identification of Bacillus cereus and Staphylococcus aureus in fried rice. International Conference on 3th Mathematics and Natural Sciences (ICMNS);2010 Nov 23-25; Bandung, Indonesia

34.  Khotimah K, Hutagaol M, Panggabean RIL, Rahayu WP. 2010.  Development fumonisin detection method of Indonesian corn-based food products. International conference on Food Safety and security under Changing Climate; 2010 Dec 6-7;Penang, Malaysia. Penang: Universitas Putra Malaysia. p 38. ISBN 978-967-960-275-3

35.  Yarni L, Murhandini S,  Rahayu WP. 2011. Production of rhein marker compound from rhubarb(rheum officinale Baill) root. SEMIRATA (BKS-PTN B); 2011 May 9-10. Banjarmasin, Indonesia

36.  Nurtilawati,  Waty TD, Murhandini S, Rahayu WP. 2011. Finger print study of Leucaena leucocephala L. leaf for standardizing traditional medicine extract.The 2nd International Symposium on Temulawak; 2011 May 26-27; Bogor, Indonesia. Bogor: Biopharmaca Research Center. p 61-62

37.  Waty TD, Yarni L, Murhandini S, Rahayu WP. 2011. Analytical method for quercitrin in Scurrula atroprpurea (BI) Dans. The 2nd International Symposium on Temulawak; 2011 May 26-27; Bogor, Indonesia. Bogor: Biopharmaca Research Center. p 110-111

38.  Purnomo EH, Rahayu WP, Hariyadi P, Nuraida L, Darmadi S. 2011. Effect of sterilisation level, medium, and tempeh thickness to physical properties and nutrition value of canned tempeh.The 12thAsean Food Conference; 2011 June 15-17; Bangkok, Thailand

39.  Rahayu WP, Kusnandar F, Prayitno WE. 2011. Stability of lactic acid bacteria during processing and storage of Goat milk soft cheese.The 4th International Seminar of Indonesian Society for Microbiology and IUMS-ISM Outreach Program on Food Safety; 2011June 22-24; Denpasar, Indonesia. Denpasar: Indonesian Microbiology Society. p 35

40.  Yuliangsih S,Khotimah K, Pusparini N, Panggabean RIL, Rahayu WP. 2011. Detection of Salmonella Typhimurium in pasteurized milk and fried rice using real time polymerase chain reaction.The 4th International Seminar of Indonesian Society for Microbiology and IUMS-ISM Outreach Program on Food Safety; 2011 June 22-24; Denpasar, Indonesia. Denpasar: Indonesian Microbiology Society. p 42

41.  Nasrullah I, Muhardini S, Rahayu WP. 2011. Phytochemical study from sonchus arvensis L. leaves for standardizing traditional medicine extract. The 59th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research; 2011 Sept 4-9;Antalya, Turkey. Society for Medicinal Plant and Natural Product Research. p PF58

42.  Waty TD, Yarni L, Murhandini S, Rahayu WP. 2011. Fingerprint study of zingiber officinale var rubrum  rhizome for standardizing traditional medicine extract. International Conference on Natural Products. University Putra Malaysia. Kuala Lumpur  Malaysia, 13-16 November 2011

43.  Maimun MS, Rahayu WP. 2012. Effectiveness of  Wayang Golek “ Bang Tagor”  As a Food Education Media for Elementary School Children.  The 19th Tri-   University International Joint Seminar and Symposium. Bogor, Indonesia,  October 2126, 2012

44.Rahayu WP. 2013. Prevention and Reduction of Mycotoxin by antagonistic microorganism. Presented at International Conference on Mycological Aspects of Food and Feed Safety, Yogyakarta, 27-28 June 2013

45.  Lisangan MM, Syarief R,Rahayu WP, Dharmaputra  OS. 2013. Effect Of Kebar Grass (Biophytum Petersianum) Leaf Extract On The Growth and Structure of Aflatoxigenic Aspergillus Flavus. Presented at International Symposium on Tropical Fungi, Mikoina Bogor 10-11 September 2013

.46.  Palupi NH,  Setyawardani T,  Rahayu WP. 2013. The potential immunomodulatory effect of probiotic L. rhamnosus tw2 and L. plantarum tw14 isolated from local goat milk and their incorporation in cheese. The 13th Asean Food Conference; 2013, Singapore, 9-11 September 2013

Leave a Reply

Your email address will not be published. Required fields are marked *