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Som tum, the famous ethnic food of Thailand: its benefit and innovations
Nugroho David,Surya Reggie,Janshongsawang Jirapad,Thinthasit Aphinya,Benchawattananon Rachadaporn 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.37
Som tum is widely recognized as a traditional ethnic cuisine originating from Thailand. The dish is composed of various ingredients, including raw papaya, tomatoes, chili, palm sugar, garlic, lime, and roasted peanuts, among others. This food is unique in terms of name, history, culture, properties, and taste. Enhancing health, physical fitness, and immunity are advantageous outcomes. The study uses a descriptive methodology approach. The data were obtained via comprehensive interviews conducted with a consumer, a food technology lecturer, an owner of a traditional shop, and a government staff member. The study was conducted in the Khon Kaen Province. The data supporting the research were obtained through a comprehensive review of relevant literature. Som tum is considered a significant aspect of the cultural experience in Thailand, particularly in the northeastern region. This particular food item has gained popularity among a broader demographic and is now regularly consumed as a staple food. Currently, this product has been introduced as an innovative addition to the business sector, with its availability in various products including ready-to-eat and seasoning. Som tum has the potential in the health food sector because it is made from many ingredients, so it is rich in glutamic acid, vitamin C, protease enzymes and essential amino acids which are good for human health. The objective of this article was to impart information relating to the historical background, uniqueness, composition, processing, health benefits, development, and innovation of som tum.
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Hepatoprotective effects of ethnic cabbage dishes: a comparison study on kimchi and pao cai
Nugroho David,Surya Reggie,Nurkolis Fahrul,Surya Ervan,Thinthasit Aphinya,Kamal Nurkhalida,Oh Jin-Seok,Benchawattananon Rachadaporn 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.31
Consuming ethnic vegetable dishes, that has been an integral part in the food culture of many countries, is suggested to bring health benefits to humans. Kimchi from Korea and pao cai from China are two distinct vegetable dishes made from Chinese cabbage (Brassica rapa) through different processes. While kimchi is a fermented food, pao cai is produced by pickling in brine or vinegar. The present study aimed to investigate and compare the hepatoprotective effects of kimchi and pao cai in vivo using animal model and in vitro using a cell line. Despite having similar nutritional profiles, kimchi and pao cai exhibited different chemical and microbiological properties. Compared to pao cai, the pH during fermentation of kimchi dropped more rapidly and the antioxidant activity of kimchi was also stronger. In addition, total microorganisms and lactic acid bacteria were consistently higher in kimchi than in pao cai. In vivo, the hepatoprotective properties of kimchi and pao cai were associated with the increase in expression and activity of major liver antioxidant enzymes, particularly glutathione reductase, glutathione peroxidase, glutathione S-transferase, catalase, and superoxide dismutase. In vitro, both kimchi and pao cai promoted the formation of glutathione. Upon exposure to chemically induced oxidative stress, kimchi protected liver cells by inhibiting glutathione depletion and limiting lipid peroxidation. In general, kimchi demonstrated stronger hepatoprotective properties compared to pao cai. Thus, the present study provides promising insights into the development of ethnic foods, particularly kimchi and pao cai, as functional foods beneficial for human health.
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Surya Reggie,Nugroho David,Kamal Nurkhalida,Petsong Kantiya 한국식품연구원 2024 Journal of Ethnic Foods Vol.11 No.2
Fermented seafood paste, terasi, is a ubiquitous ingredient in Indonesian traditional cuisine. It is commonly used as a flavor enhancer due to its unique, strong, and complex flavor. Traditionally, terasi is made using planktonic shrimp (Acetes indicus) but some regional varieties of terasi include other seafoods, such as fish in their recipes. The present study aimed to explore the cultural and ethnic significance of terasi, investigating the current traditional preparation of terasi, and analyze the characteristics of terasi made from shrimp and fish. The traditional practice of terasi making in Cirebon, its birthplace, often includes the use of anchovy (Engraulidae) as an additional ingredient besides shrimp, as observed among more than 70% of local producers. Therefore, we characterized several aspects of terasi made from shrimp and anchovy (fish) under different proportions. Higher proportion of fish in terasi was associated with darker color due to browning reactions and higher microbial load, particularly proteolytic and lactic acid bacteria. Nutritionally, higher proportion of fish increased the protein content of terasi but decreased its fat content. A series of chemical analyses revealed that the addition of fish in terasi significantly increased protein hydrolysis, lipid peroxidation, and non-enzymatic browning (Maillard) reaction, thus resulting in a significant formation of toxic compounds such as histamine and acrylamide. Interestingly, organoleptic analysis showed that terasi made from an equal proportion of shrimp and fish was preferred by the panelists. Therefore, this study suggested that mixing shrimp and fish could be used as a strategy to increase consumer’s acceptance toward terasi. However, for food safety reasons, some adjustments in the fermentation period should be made in future studies since the addition of fish in terasi would increase microbial activity and accelerate chemical reactions.
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Kimchi throughout millennia: a narrative review on the early and modern history of kimchi
Surya Reggie,Nugroho David 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.5
Kimchi, the traditional fermented vegetable dish from Korea, has been an integral part of the Korean food culture for thousands of years. Today, it is considered as a symbol of identity for Korean people and is globally appraised as a healthy food. The international standard of kimchi was stipulated by the Codex Alimentarius Commission in 2001, and kimjang, the traditional Korean communal activity of making kimchi, was listed as a UNESCO’s Intangible Cultural Heritage of Humanity in 2013. The international recognition that kimchi has today was not obtained easily since there have been international disputes with regard to its standard and originality. Many historical events have shaped the face of kimchi as it is today. Thus, it appears primordial to understand the hallmark historical events defining the development of kimchi from a traditional food consumed by only Koreans in the past to a renowned global healthy food today. This review explores the historical values of kimchi by focusing on both its early and modern history. The early history of kimchi gathered from different classical literature works suggests the existence of kimchi in Korea since thousands of years ago. The modern history of kimchi highlights different events, including the globalization and commercialization of kimchi, the “kimchi wars” against neighboring countries and the international branding of kimchi as a healthy food. Furthermore, this review also discusses the polemics of kimchi, particularly in terms of its originality. Understanding the historical values of kimchi would make people see kimchi not only as an ethnic food from Korea, but also as a valuable global heritage for the world that needs preserving.
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Surya Reggie,Surya Ervan,Nugroho David,Romulo Andreas,Kamal Nurkhalida,Rahayu Winiati Pudji,Benchawattananon Rachadaporn,Jin‑Seok Oh 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.-
Kimchi, the traditional fermented vegetables with seasonings from Korea, is globally renowned as healthy food with anticancer properties. Colorectal cancer is the world’s third leading cancer with an increasing incidence rate over the past years. High red meat intake is strongly associated with colorectal cancer, and the World Health Organization has identified red meat as probably carcinogenic to humans (Group 2A). This study aimed to investigate the chemopreventive potential of cabbage kimchi against the promotion of colorectal cancer by red meat in vivo using carcinogen-injected rats. Rats were fed by AIN-76 diet enriched in freeze-dried beef sirloin supplemented or not with kimchi powder for 120 days prior to killing. Kimchi supplementation at moderate (5%) and high (10%) concentration significantly suppressed the formation of precancerous lesions in the colon of red meat-fed rats. Using fecal water, the aqueous extract of feces, we found out that kimchi supplementation limited iron-mediated oxidation and reduced lipid peroxidation in the feces of rats. Furthermore, kimchi supplementation reduced the toxicity of fecal water of red meat-fed rats toward human colonic epithelial cells in vitro by suppressing the formation of cellular reactive oxygen species (ROS). The chemopreventive effects of kimchi were associated with the acidification of fecal matrix and increase in fecal lactic acid bacteria (LAB). Gene expression analysis in the colon of rats demonstrated that kimchi supplementation prevented colorectal carcinogenesis by up-regulating the expression of tumor-suppressor genes and antioxidant enzymes, as well as by down-regulating the expression of proinflammatory proteins. Taken together, our findings suggested that kimchi consumption is correlated with lower promotion of colorectal cancer associated with red meat intake.
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Surya Reggie,Surya Ervan,Nugroho David,Romulo Andreas,Kamal Nurkhalida,Rahayu Winiati Pudji,Benchawattananon Rachadaporn,Jin‑Seok Oh 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.10
Kimchi, the traditional fermented vegetables with seasonings from Korea, is globally renowned as healthy food with anticancer properties. Colorectal cancer is the world’s third leading cancer with an increasing incidence rate over the past years. High red meat intake is strongly associated with colorectal cancer, and the World Health Organization has identified red meat as probably carcinogenic to humans (Group 2A). This study aimed to investigate the chemopreventive potential of cabbage kimchi against the promotion of colorectal cancer by red meat in vivo using carcinogen-injected rats. Rats were fed by AIN-76 diet enriched in freeze-dried beef sirloin supplemented or not with kimchi powder for 120 days prior to killing. Kimchi supplementation at moderate (5%) and high (10%) concentration significantly suppressed the formation of precancerous lesions in the colon of red meat-fed rats. Using fecal water, the aqueous extract of feces, we found out that kimchi supplementation limited iron-mediated oxidation and reduced lipid peroxidation in the feces of rats. Furthermore, kimchi supplementation reduced the toxicity of fecal water of red meat-fed rats toward human colonic epithelial cells in vitro by suppressing the formation of cellular reactive oxygen species (ROS). The chemopreventive effects of kimchi were associated with the acidification of fecal matrix and increase in fecal lactic acid bacteria (LAB). Gene expression analysis in the colon of rats demonstrated that kimchi supplementation prevented colorectal carcinogenesis by up-regulating the expression of tumor-suppressor genes and antioxidant enzymes, as well as by down-regulating the expression of proinflammatory proteins. Taken together, our findings suggested that kimchi consumption is correlated with lower promotion of colorectal cancer associated with red meat intake.
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Soft-tissue Sarcomas in the Asia-Pacific Region: A Systematic Review
Ngan, Roger,Wang, Edward,Porter, David,Desai, Jayesh,Prayogo, Nugroho,Devi, Beena,Quek, Richard Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Background: Soft-tissue sarcomas require tailored and multidisciplinary treatment and management. However, little is known about how sarcomas are treated and managed throughout the Asia-Pacific region. Materials and Methods: MEDLINE was systematically searched using prespecified criteria. Publications (previous 10 years) that reported tumour characteristics, treatment patterns, survival outcomes, and/or safety outcomes of patients with soft-tissue sarcoma were selected. Exclusion criteria were studies of patients <18 years of age; ${\leq}10$ patients; countries other than Australia, Hong Kong, Indonesia, Korea, Malaysia, New Zealand, Philippines, Singapore, Taiwan, or Thailand; >20% benign tumours; sarcomas located in bones or joints; gastrointestinal stromal tumour; Kaposi's sarcoma; or not reporting relevant outcomes. Results: Of the 1,822 publications retrieved, 35 (32 studies) were included. Nearly all patients (98%, 1,992/2,024; 31 studies) were treated with surgery, and more studies used adjuvant radiotherapy than chemotherapy (24 vs 17 studies). Survival outcomes and recurrence rates varied among the studies because of the different histotypes, sites, and disease stages assessed. Only 5 studies reported safety findings. Conclusions: These findings highlight the lack of specific data available about soft-tissue sarcomas in the Asia-Pacific region. Better efforts to understand how the sarcoma is managed and treated will help improve patient outcomes in the region.
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