Difference between revisions of "Talk:Main Page"

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-==Final Exam Paper==
-===Camellia Oil===
-====Introduction====
-Camellia oil, also known as camellia seed oil, is extracted from the seeds of Camellia oleifera Abel, a plant belonging to the Theaceae family, through solvent extraction or pressing. It is pale yellow, clear and transparent with a delicate fragrance. Camellia oleifera, commonly referred to as mountain camellia, wild tea, or white-flowered tea, is a traditional edible woody oilseed tree native to China, boasting a cultivation history of over 2,000 years. It is widely grown in more than 800 counties across 18 provinces, primarily in the Yangtze River Basin and southern provinces such as Sichuan, Anhui, Jiangsu, Zhejiang, Fujian, Taiwan, Jiangxi, Hubei, Hunan, Guangdong, and Yunnan, with Hunan having the largest cultivation area.
-Camellia oil, along with olive oil, palm oil, and coconut oil, is known as one of the world's four major woody edible oils. Compared to oilseeds of herbaceous edible oils, woody oil plants grow in mountainous and hilly areas without the need for fertilization or pesticide application. Camellia oleifera has a long growth cycle: it blooms in autumn with a flowering period of 2 to 3 months, and the time from flowering to fruit ripening is one year, which is commonly known as "bearing fruit while carrying the next generation" among the people. Therefore, woody oils are superior to herbaceous oils. The oil extracted from its seeds is a genuine green edible vegetable oil, free from harmful substances such as aflatoxin B1 (a strong carcinogen), erucic acid, and gossypol, making it a premium edible oil.
-Research and analysis have shown that the fatty acid composition of camellia oil is particularly similar to that of olive oil, the preferred edible oil in European and American developed countries. The content of oleic acid and linoleic acid exceeds 80%. It is not only an edible oil with excellent color, aroma, and taste but also has the effect of preventing and treating cardiovascular diseases such as hypertension, coronary heart disease, and atherosclerosis. Currently, camellia oil has been gradually applied in China's food, chemical, pharmaceutical, and other industries, with broad market potential.
-====Camellia Oil Industry====
-From the perspective of the overall changes in the concentration ratio of China's camellia seed output among the top five provinces, in 2007, the top five provinces in terms of camellia seed output as a proportion of the national total were Hunan, Jiangxi, Guangxi, Fujian, and Zhejiang, accounting for 85.54%. In 2021, the top five provinces were Hunan, Jiangxi, Guangxi, Hubei, and Guangdong, accounting for 83.82%. From 2007 to 2021, the proportion of camellia seed output of the top five provinces in the national total remained above 80%, indicating that the camellia industry has extremely obvious industrial agglomeration characteristics. At the same time, the proportion of camellia seed output showed a fluctuating downward trend, decreasing by 2.22% in 2021 compared with 2007. This indicates that regions suitable for camellia cultivation across the country are vigorously promoting camellia planting, the camellia planting area is continuously expanding, and the camellia planting pattern is constantly optimizing. The proportion of Fujian, Zhejiang, and other regions in the southeast has gradually decreased, and in 2021, it evolved into a pattern with Hunan, Hubei, Jiangxi in the central region and Guangxi, Guangdong in the southern region as the main producing areas. Among them, Hunan, Jiangxi, and Guangxi have always ranked among the top three in terms of proportion, making them veritable major camellia oil industry provinces.
-====Efficacy of Camellia Oil====
-Records of extracting oil from camellia seeds for edible use in China date back more than 2,000 years. "Shan Hai Jing" (Classic of Mountains and Seas) states: "Yuan Mu (round wood) is an edible oil plant in the south." "Yuan Mu" refers to camellia oleifera. Song Yingxing in "Tian Gong Kai Wu" (Exploitation of the Works of Nature) praised it for its "excellent taste." Many ancient medical books have also recorded the medicinal functions of camellia oil. Li Shizhen's "Ben Cao Gang Mu" (Compendium of Materia Medica) notes: "Camellia seeds are bitter, cold, fragrant, and slightly toxic; they mainly treat asthma and cough, and remove phlegm and dirt." "Nong Zheng Quan Shu" (Complete Works of Agriculture) records that camellia oil can cure hemorrhoids and relieve damp-heat. "Ben Cao Gang Mu Shi Yi" (Supplements to Compendium of Materia Medica) states: "Camellia oil can moisten the intestines, clear the stomach, detoxify, and kill bacteria." "Nong Xi Ju Yin Shi Pu" (Dietary Guidelines for Farmers' Rest) mentions: "Camellia oil moistens dryness, clears heat, calms wind, and benefits the head and eyes." "Sui Xi Ju Yin Shi Pu" (Dietary Guidelines for Daily Living) highly praises camellia oil: "Camellia oil is suitable for cooking all kinds of dishes in daily use. Eating it steamed makes the hair shiny and smooth. Among all oils, it is the lightest and clearest, so it is not prohibited for any diseases." Obviously, our ancestors have long regarded camellia oil as a premium product for prolonging life, maintaining beauty, and enhancing appearance.
-In China, the saying "Food tonic is better than medicinal tonic" is deeply rooted in people's hearts. Residents in camellia oil-producing areas attach great importance to exerting the nutritional and health-care effects of camellia oil in their traditional eating habits, thus summarizing three major advantages: Pregnant women consuming camellia oil during pregnancy can not only increase breast milk but also be very beneficial to the normal development of the fetus; infants and children consuming camellia oil can promote qi circulation, relieve constipation, clear internal heat, and aid digestion, which is very helpful for promoting the growth and development of bones and other parts; the elderly consuming camellia oil can reduce internal heat, maintain beauty, improve eyesight, blacken hair, delay aging, and live a long and healthy life. Therefore, residents in camellia oil-producing areas have given camellia oil an elegant name—"longevity oil" or "confinement oil." In camellia oil-producing areas, newborn babies are rubbed all over with camellia oil to prevent eczema. The elderly also often apply camellia oil to their bodies after bathing to prevent skin itching in winter. Camellia oil is also the best beauty product for women; when used for hair care, it can prevent hair breakage and hair loss.
-====International Recognition of Camellia Oil's Efficacy====
-Many years ago, the German biweekly magazine "Frauen" published an article titled "The Secret of Tea Tree Oil," stating that Australians use camellia oil to prevent colds, bronchitis, sore throats, muscle aches, sprains, boils and herpes caused by insect bites, foot fungal infections, sunburn, scratches, abrasions, and gingivitis. It can also enhance the body's immune function, and camellia oil was hailed as a "panacea." Camellia oil has similar functions to olive oil, and its composition is even superior to that of olive oil. Dr. Simopoulos, Chairman of the Advisory Committee of the U.S. National Institutes of Health, praised it as "the best edible vegetable oil in the world." These fully prove that camellia oil is a high-grade edible oil completely comparable to olive oil, and a veritable "Oriental Olive Oil."
-====Application Prospects of Camellia Oil====
-Camellia oil is extremely beneficial to human health. In recent years, with the decreasing resources of similar products (olive oil), countries such as Japan, Australia, and New Zealand have begun to attach importance to the development and application of camellia oil, and its market price has been rising. In China's Hong Kong, Macao, Taiwan regions and Southeast Asian countries, refined camellia oil has become a sought-after product and daily necessity for the elderly; in the U.S. market, there has also been an upsurge in the use of high-oleic acid vegetable oils such as camellia oil. With the continuous improvement of living standards, people's pursuit of food nutrition and health will also continue to increase. As a high-grade vegetable oil rich in essential fatty acids and various vitamins for the human body, camellia oil can change the nutritional imbalance caused by a single oil, fully balance human nutrition, and is conducive to physical health. It conforms to the contemporary trend of oil consumption and has broad prospects.
-===References===
-[1] Wang Jiangrong, Liu Rong, Zhang Lingfu, Deng Zhijian, Huang Li. On the Nutritional Value and Health Care Functions of Camellia Oil[J]. Jiangsu Condiment and Non-staple Food, 2009.
-[2] Liu Bo, Li Dan. Health Care Functions and Application Status of Camellia Oil[J]. Tea Bulletin, 2008.
-[3] Zhang Zhaoxu, Li Zhi, Zhang Lichun. Research on the Geographical Agglomeration Characteristics and Influencing Factors of China's Camellia Industry[J]. Grain and Oil Food Science and Technology, 2025.
-===Terms and Expressions===
-Camellia Seed（油茶籽）
-Camellia Oil（茶籽油）
-Edible Oil（食用油）
-Olive Oil（橄榄油）
-Fatty Acid（脂肪酸）
-Cardiovascular Disease（心血管疾病）
-===Questions===
-. What are the world's four major woody edible oils?
-. How long does it take for camellia oleifera to ripen from flowering to fruiting?
-. Which three provinces are major camellia oil industry provinces?
-. Which oil is known as the "Oriental Olive Oil"?
-===Answers===
-. Camellia oil, olive oil, palm oil, and coconut oil.
-. One year.
-. Hunan, Jiangxi, and Guangxi.
-. Camellia oil.
-==期末论文==
-===长寿米粉===
-====介绍====
-  长寿米粉是重庆市长寿区传统小吃，以中稻米、贵朝米为原料，经浸泡、磨浆、蒸熟等工序制成，具有色白如玉、口感滑爽的特点。其工艺相传源于东汉末年刘备入川时随军火头军张同甘所传，2010年被列入长寿区非物质文化遗产名录，现正积极申报市级非物质文化遗产和国家地理标志产品（离七，2025，23——25）。专用水稻品种渝优965、渝紫米294通过筛选试验定向培育，其中渝优965获长寿区优质鲜米粉食味鉴评金奖（离七，2025，27——30）。该小吃自清朝末期成为当地年节待客食品，传统工艺延续千年，新市、葛兰等地半成品尤为知名。改革开放后从家庭自制发展为商品，生产引入电力设备后日产量增至万斤，全区现有生产企业40余家，年销售量超万吨。传承人叶瀚骏成立米粉协会制定《地理标志产品长寿米粉》地方标准，推动机械化生产并与商超对接销售，产业链综合收入达4.5亿元，专用稻米种植面积扩展至云台镇等地。重庆合之润食品有限公司开放现代化生产线，通过企业开放日活动展示非遗技艺与食品安全管理流程。当地学校已将该技艺纳入非遗课程体系进行传承推广。
-====起源====
-  长寿米粉有着数千年的工艺，历史渊源，相传是东汉末年刘备入川时，有个随军火头军叫张同甘，把技术带来重庆长寿。此工艺的制作精细，是用3分之2的米和三分之一的米饭同在水中浸泡，磨成浆，再蒸一层晾一层，晾干后叠齐，切成丝，再用涨水煮热即食。此工艺千年延续至今，在全国几乎没有，长寿米粉现在的工艺数新市场，李五最为正宗。（离七，2025，26）
-长寿米粉是长寿民间的传统食品。自清朝末期开始，每年阴历冬腊月，长寿当地不论是城里还是乡下，家家都要蒸米粉，与汤圆同为过年期间待客和自食的特色食品。长寿米粉是用长寿的优质大米贵朝米、中稻米作原料，传统工艺包括浸泡、磨浆、蒸（或浪）熟、切成墩墩（或卷成筒）等，加工成便于保存和携带的半成品。食用时，再将墩切成片（煮熟即成细条）或将卷切成条，下到开水锅中煮开即可食用，可依个人喜好配蔬菜，传统味道是加水豆豉，现代调味或麻辣或清汤等；还可以下油锅炒成任意味道的“炒粉”。
-====特点和营养价值====
-  因为长寿米粉煮食方便、色白如玉、口感细腻、滑爽筋道、调味随意，还可以作为馈赠礼品，长期受到广泛喜爱和传承。改革开放后，长寿米粉从家庭自产食品演变成为一种商品，区内各地都有长寿米粉小吃店，尤以新市、葛兰、渡舟的半成品米粉以质优、量大闻名。长寿当地人不但过春节时家家都要特意买米粉，平时也经常买米粉食用。同时长寿米粉在整个重庆地区乃至周边省市老百姓中也受到喜爱，声名远播至全中国。其制作工艺2010入选长寿区非物质文化遗产名录。米粉有构成机体的重要物质；储存和提供热能；维持大脑功能必须的能源；调节脂肪代谢；提供膳食纤维；节约蛋白质；解毒；增强肠道功能。（谢文龙，2025，37——40）
-它富含铜，铜是人体健康不可缺少的微量营养素，对于血液、中枢神经和免疫系统，头发、皮肤和骨骼组织以及脑子和肝、心等内脏的发育和功能有重要影响。
-====制作方式====
-材料：
-主料：米粉
-调料：生抽、橄榄油、大蒜、小葱、陈醋、花椒油、辣椒油、芝麻酱
-制作：
-    水开后就放入米粉烫一分钟就将其捞出，久煮则会导致米粉过于软烂，口感大打折扣。接下来则是调取酱料，其有两种经典调料可供选择，一种是下面这样的，由一定量的橄榄油，大蒜末，葱花，生抽，陈醋，花椒油，油辣子调和制成；另一种是下面这种的，由橄榄油，大蒜末，葱花，生抽，陈醋，花椒油，油辣子，芝麻酱调和制成。由橄榄油，大蒜末，葱花，生抽，陈醋，花椒油，油辣子调和制成调料是麻辣的红油口味；由橄榄油，大蒜末，葱花，生抽，陈醋，花椒油，油辣子，芝麻酱调和制成的调料最大的不同就是加了芝麻酱的，油辣子相对放得少了些！（冉隆国，2025，25——28）
-====流行地区及种类====
-   在长寿当地的各大小街边面馆、学校食堂及长寿区周边的部分川渝地区都能找到它的身影。当地一碗素长寿米粉的价格大概在5—8元之间。其中，价格较贵和最为出名的长寿米粉组合当属长寿肥肠米粉。作为当地的另一大特产，长寿的肥肠面、米粉、饭同样拥有不错的口味和知名度。除此之外，长寿的豌杂米粉味道也是一绝，其中的豌豆等杂豆不仅蛋白质含量高，还含大量赖氨酸，富含膳食纤维、维生素B1、胡萝卜素、钙、钾、镁等矿物质及酚类等抗氧化物质，杂酱由猪肉末制作而成，富含优质蛋白质、血红素铁等。制作时需将干豌豆浸泡后加碱面熬煮至软烂，杂酱需选用肥瘦相间的猪肉丁与豆瓣酱、甜面酱等调料翻炒融合。
-===参考文献===
-Li Qi.离七.（2025）寻味长寿——当市井烟火遇见大湖之鲜［Flavors of Changshou: Where Street Food Meets Lake-to-Table Freshness］23-30
-Xie Wenlong.谢文龙.（2025）重庆的美食诱惑［Food Temptation in Chongqing］37-40
-Ran Longguo.冉隆国.（2025）在非遗美食中品味山城韵味［Feeling Chongqing Style from Cuisines of Intangible Heritage］25-28
-===术语===
-长寿米粉 Changshou Rice Noodles
-非物质文化遗产名录 Intangible Cultural Heritage Meau
-国家地理标志产品 National Geographical Symbol Product
-微量营养素 Micronutrient
-制作精细 Exquisite Craftsmanship
-===问题===
-.长寿区自何时开始家家蒸米粉？
-.长寿米粉的原材料是什么？
-.长寿米粉的外观特点是什么？
-.长寿区哪些地方的米粉最为著名？
-===答案===
-清朝末期
-中稻米，贵朝米
-.色白如玉
-.新市，葛兰

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Latest revision as of 22:18, 8 March 2026

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