天然油脂，例如本地（baladi）酥油和黄油，并不是动脉堵塞的原因（与以前占主导地位的观点相反）；“好的油脂不会粘附”。
原始表述
يرى الدكتور العوضي أن الدهون الطبيعية كالسمن البلدي والزبدة ليست سبباً مباشراً في انسداد الشرايين، بعكس ما كان سائداً.
非原话——为转述. 译文由本项目提供；以阿拉伯语原文为准。
译文
天然油脂，例如本地（baladi）酥油和黄油，并不是动脉堵塞的原因（与以前占主导地位的观点相反）；“好的油脂不会粘附”。
出处
- 来源状态
- 第三方网站（非官方）
- 归属
- Third-party site altayybat.com (unofficial)
- 出处
- https://altayybat.com/ar/
- 归属的不确定性
- Unofficial fan/summary site; lowest attribution level; no video references given. Paraphrase of Elawady's view by the site.
- 所声称的机制
Fats are broken down in the gut and liver; natural fats do not deposit in arteries.
- 所声称的健康影响
No cardiovascular harm from ghee and butter.
- 涉及人群
Everyone.
- Elawady 设定的地域限制
none found
来源版本存在差异
الدهون لازقه ان دهون ضاره فبتلزق لكن الدهون الطيبه لا تلزق
- 来源状态
- 视频转录文本（本人原话）
- 归属
- Elawady (machine transcript)
- 视频
- Dr Diaa Al Awady د ضياء العوضي is live! السيليوليت (打开来源)
- 发布日期
- 2025年10月11日
- 时间戳
- 2:25:08 (在原视频 YouTube 自动字幕轨中的位置；可确认该内容出现的位置，但不能确认说话人是谁)
- 归属的不确定性
- Archive transcript (YouTube CC or AI-generated); no timestamps; wording may contain transcription errors; spoken live-stream language, context partly conversational.
الزبدة والسمن
- 来源状态
- 档案网站食物清单
- 归属
- Archive food list (eltayebat.com/foods; EN: /en/foods/)
- 出处
- https://eltayebat.com/foods/
- 归属的不确定性
- Classification by the archive; no rationale or video reference given on the list page.
سلّق اللحم جيداً أولاً ثم احمره في السمنة — هذه هي الطريقة الموصى بها في النظام.
- 来源状态
- 第三方网站（非官方）
- 归属
- Third-party site altayybat.com (unofficial)
- 出处
- https://altayybat.com/ar/
- 归属的不确定性
- Unofficial fan/summary site; lowest attribution level; no video references given.
اللبن بكل انواعه والزبادي والكريمة واللبنة ممنوعة — تسبب الانتفاخ
CONFLICT: mytayibat lists cream (الكريمة) as forbidden together with milk, yoghurt and labneh, whereas altayybat lists butter, baladi ghee and cream (قشطة) as allowed; possibly different products (qishta vs liquid cream).
- 来源状态
- 第三方网站（非官方）
- 归属
- Third-party site (unofficial; lowest attribution level)
- 出处
- https://mytayibat.com/forbidden
- 归属的不确定性
- mytayibat.com is an unofficial third-party site in the sense that it is neither the eltayebat.com archive nor Elawady's own words. Its footer describes it as 'المنصة الرسمية التعليمية لنظام الطيبات' ('the official educational platform of the Tayebat system'), and its pages refer to it as 'the official platform'. This self-description could not be verified: no evidence was found that the site is authorised by Dr. Diaa Elawady's heirs or by the eltayebat.com archive. By contrast, altayybat.com states that it is not affiliated with Dr. Diaa Elawady. Lowest attribution level; page fetched 2026-10-25.
وباكل سمنه بلدي كل يوم وباكل رز وبطاطس كل يوم
...and I eat baladi ghee every day, and I eat rice and potatoes every day.
- 来源状态
- 视频转录文本（本人原话）
- 归属
- Elawady (machine transcript)
- 视频
- ارتفاع ضغط البطن والاضطراب الهرموني وظهور كل ماهو مناعي #ضياء_العوضي (打开来源)
- 发布日期
- 2026年1月10日
- 时间戳
- 0:48:20 (在原视频 YouTube 自动字幕轨中的位置；可确认该内容出现的位置，但不能确认说话人是谁)
- 归属的不确定性
- Archive transcript (YouTube CC or AI-generated); no timestamps; YouTube original not checked; wording may contain recognition errors. Ghee is consistent across sources.
科学评估
基本错误 – 该说法的主要部分没有证据支持，或被严重夸大。
证据确定性: 中 – 进一步研究仍可能影响该评估。
1. 说法是什么？
Ghee and butter do not contribute to arterial disease.
2. 哪些内容可证实是正确的？
At usual population intakes, butter was only weakly associated with mortality (RR 1.01 per 14 g/day) and not with CVD (RR 1.00) in a meta-analysis of cohorts (I-FAT-03). This estimate is limited: it rests on only 4 cohorts for CVD (3 for CHD), some adjusted for blood cholesterol (a mediator), at mostly modest intakes (median 4.5-46 g/day); no ghee study exists, and the authors rate unsaturated oils as healthier than butter. Some researchers argue that food matrix matters and that some saturated-fat-rich foods (e.g. whole-fat dairy) are not associated with CVD (I-FAT-07). No single food 'directly clogs' arteries.
3. 哪些内容是错误或夸大的？
Butter and ghee are rich in saturated fat (general food-composition knowledge). Reducing saturated fat lowers serum cholesterol and reduced combined cardiovascular events by 17% (RR 0.83, 0.70-0.98; moderate-quality evidence) in long-term RCTs (I-FAT-01). LDL causes atherosclerotic cardiovascular disease (I-FAT-02). WHO strongly recommends limiting saturated fat to 10% of energy and replacing it with polyunsaturated fat (I-FAT-08). In the system, ghee is the default cooking fat without quantity limits, which can lead to high saturated-fat intakes.
4. 哪些内容仍不明确？
Effects of ghee specifically (few studies); effects at moderate intakes within an otherwise healthy diet.
5. 哪些研究支持该说法？
I-FAT-07 (critical review of saturated-fat limits); partly I-FAT-03 (near-null butter associations at modest intakes); I-FAT-104 (cohort meta-analysis: saturated fat not associated with CHD, RR 1.06, 0.95-1.17, very low certainty); I-FAT-103 (Isfahan cohort, Iran: ghee not associated with CVD events; limited power); I-DRY-101 (2026 US guidelines list butter as an option, while keeping the 10% saturated-fat cap). None of these can show that ghee or high butter intakes are safe for arteries.
6. 哪些研究与该说法相矛盾？
I-FAT-01 (Cochrane RCTs), I-FAT-02 (LDL causal), I-FAT-08 (WHO guideline), I-FAT-102 (RCT: replacing ghee with rapeseed oil lowered LDL, triglycerides and liver fat), I-FAT-111 (RCT meta-analysis: butter raised LDL by 0.19 mmol/L compared with the same fat as cheese), I-FAT-101 (US cohorts: highest butter intake HR 1.15 for mortality; replacing 10 g/day butter with plant oils HR 0.83).
7. 对德国和欧洲而言情况如何？
WHO and European guidelines recommend limiting saturated fat (I-FAT-08).
8. 关于埃及的已知情况是什么？
Ghee is traditional in Egyptian cooking; cardiovascular disease is a leading cause of death in Egypt (not quantified here).
9. 合理的实际结论是什么？
适量食用黄油和酥油并未被证明是危险的，但把它们作为主要烹饪油脂而不加限制地使用缺乏依据；富含不饱和脂肪的植物油是更好的默认选择。
评估详情
- 证据确定性的依据
Moderate-quality RCT evidence shows that reducing saturated fat reduces cardiovascular events; LDL is causal for atherosclerosis; butter- and ghee-specific outcome data are limited and observational.
- 来源质量
Third-party paraphrase, consistent with Elawady's transcript statements.
- 地区可推广性
Universal; ghee (samna baladi) is widely used in Egypt.
- 个体例外情况
People with familial hypercholesterolaemia or established cardiovascular disease are particularly affected by saturated-fat-induced LDL rises.
- 说法的地域范围
- 普遍性（生物学/医学）
- 最近审核
- 2026年10月26日 初步
科学证据详解
已被科学证据否定 – 高质量证据显示情况恰恰相反，或该说法与已确立的生理学知识相矛盾。
研究问题: Do saturated-fat-rich natural fats such as ghee and butter contribute to atherosclerotic cardiovascular disease, compared with unsaturated plant oils?
研究问题详解 (PICO)
- 人群
- Adults, including people with high LDL or CVD
- 干预或暴露
- Ghee/butter as main cooking/table fat
- 对照
- Unsaturated plant oils
- 地域范围
- universal biology; ghee use common in Egypt and the region
- 结局指标
- LDL cholesterol
- Cardiovascular events
- Mortality
研究结果按作者报告呈现。我们的评估见下文。
哪些证据支持该说法？
Cohorts did not link saturated fat to heart disease; trans fat was linked
Cohort meta-analysis: saturated fat intake not associated with CHD, CVD or mortality.
- 实际结果
- Total CHD RR 1.06 (0.95-1.17); very low certainty.
- 方法学质量
- high-quality review of very-low-certainty evidence
- 相关性
- indirect (nutrient, not ghee)
- 局限
- Replacement nutrient not modelled.
Iranian study: ghee not linked to heart events; hydrogenated oil linked to heart attacks
Sadeghi M et al.. Int J Food Sci Nutr 2021 · PMID 33719857 · DOI 10.1080/09637486.2021.1895725 队列研究已核查摘要新增Isfahan cohort (Iran): ghee not associated with CVD events after adjustment.
- 实际结果
- No association reported; HVO linked to MI.
- 方法学质量
- low (limited power)
- 相关性
- direct, regional
- 局限
- Absence of association is not proof of safety.
Butter at usual amounts: little link to heart disease
Pimpin L et al.. PLoS One 2016 · PMID 27355649 · DOI 10.1371/journal.pone.0158118 Meta分析全文，含结构化偏倚风险评估Butter meta-analysis: near-null associations at modest intakes.
- 实际结果
- CVD RR 1.00 per 14 g/day (existing).
- 方法学质量
- low-moderate
- 相关性
- direct
- 局限
- Few cohorts; modest intakes.
哪些证据不支持该说法？
Cochrane: eating less saturated fat reduces heart and stroke events
Hooper L et al.. Cochrane Database Syst Rev 2020 · PMID 32827219 · DOI 10.1002/14651858.CD011737.pub3 Meta分析已核查摘要Cochrane review of RCTs: reducing saturated fat reduced combined cardiovascular events.
- 实际结果
- RR 0.83 (0.70-0.98); moderate quality (existing).
- 方法学质量
- high (Cochrane, RCTs)
- 相关性
- direct for SFA
- 局限
- Not food-specific.
Swapping ghee for rapeseed oil improved fatty liver and cholesterol
RCT in Iranian NAFLD patients: replacing ghee with rapeseed oil lowered LDL, triglycerides and liver fat.
- 实际结果
- LDL -7.5 mg/dL; TG -39.7 mg/dL; steatosis improved.
- 方法学质量
- low-moderate (open RCT)
- 相关性
- direct for ghee
- 局限
- Weight loss co-occurred.
More butter linked to higher mortality; plant oils to lower
Zhang Y et al.. JAMA Intern Med 2025 · PMID 40048719 · DOI 10.1001/jamainternmed.2025.0205 队列研究已核查摘要新增Three US cohorts: highest butter intake associated with 15% higher mortality; replacing butter with plant oils with 17% lower mortality.
- 实际结果
- HR 1.15 (1.08-1.22); substitution HR 0.83 (0.79-0.86).
- 方法学质量
- moderate (large cohorts)
- 相关性
- direct for butter
- 局限
- Observational.
总体证据说明了什么？
基于上述研究的编辑评估——其本身并非研究结果。
哪种观点有更好的证据支持？
Ghee and butter raise LDL cholesterol relative to unsaturated oils, and LDL causes atherosclerosis; outcome data for butter at modest intakes are weak, so moderate use is a small risk, but the claim that they are not a cause of artery disease is not correct.
为什么有些研究权重更大
RCTs on SFA reduction and LDL causality (I-FAT-01, I-FAT-02), direct lipid RCTs (I-FAT-102, I-FAT-111) and a large butter cohort (I-FAT-101) outweigh null cohort associations of very low certainty (I-FAT-104, I-FAT-103).
因果关系是否已确立？ 很可能 SFA -> LDL is established in RCTs; LDL -> ASCVD is causal; food-level outcome evidence is observational.
仍存在的不确定性
Ghee-specific outcome data; dose thresholds; matrix effects.
合理的结论
Unrestricted ghee/butter as the default fat is not supported; plant oils are the better default.
为什么研究结果看起来互相矛盾？
这是否取决于国家？
- 一般生物学效应
- Universal.
- 饮食习惯
- Samna baladi (ghee) is a traditional default fat in Egypt; hydrogenated vegetable ghee also exists and adds trans-fat risk (I-FAT-103 shows HVO harm).
- 食品原产地
- Ghee fatty-acid profile varies with animal and feed (not quantified).
足以改变结论的地区差异没有可靠数据支持。
统计复核
- CI log-symmetry; absolute risk – Symmetric except substitution HR (minor); absolute risks not reported -> ARR not computable. 已重新计算
- LDL unit conversion and CTT-based extrapolation – 7.5 mg/dL = 0.19 mmol/L -> ~5% fewer vascular events if sustained (assumption). 已重新计算
- Consistency of CI and P value for HVO – CI 1.02-2.78 excludes 1 but P=0.058 -> inconsistent; borderline. 已重新计算
总体证据的确定性（GRADE，简化版）
- 主要结局
- Cardiovascular events with SFA-rich fats v unsaturated oils
- 起始等级
- 高（随机试验）
- 降级理由
- indirectness (few ghee-specific outcome data)
- 结果
- 中
由单名审查者参照 GRADE 方法进行的简化评估；并非正式的 GRADE 专家组评估。GRADE 评价的是针对某一结局的整体证据，而非单项研究。
已核查的临床指南和官方声明
- WHO: Saturated fatty acid and trans-fatty acid intake for adults and children: WHO guideline (2023) · 原始文献
Landing page fetched (17 July 2023). Recommendations as registered in I-FAT-08: reduce saturated fat to 10% of energy (strong); replace with PUFA (strong), plant MUFA or fibre-rich carbohydrate (conditional). - USDA/HHS: Dietary Guidelines for Americans, 2025-2030 (2026) · 原始文献
Dairy 3 servings/day (full-fat, no added sugar); full-fat dairy important for children; calcium-rich dairy in pregnancy; olive oil prioritised for cooking, butter or beef tallow as other options; saturated fat should not exceed 10% of daily calories (I-DRY-101). - ESC/EAS: 2019 ESC/EAS Guidelines for the management of dyslipidaemias (PMID 31504418) and 2025 Focused Update (PMID 40878289) (2019/2025) · 原始文献 无法获取；内容未采用
检索策略
本次审查的文献检索记录（检索式采用原数据库语法）。
| 数据库 | 日期 | 检索式 | 检索目标 | 命中数 | 纳入数 |
|---|---|---|---|---|---|
| Europe PMC | 2026年10月26日 | (ghee OR "clarified butter") AND (cardiovascular OR "coronary" OR cholesterol OR lipid OR atherosclerosis) | 双向 | 1991 | |
| PubMed | 2026年10月26日 | (ghee[tiab] OR clarified butter[tiab]) AND (coronary[tiab] OR cardiovascular[tiab] OR cholesterol[tiab] OR lipid*[tiab]) | 双向 | 120 | |
| Europe PMC | 2026年10月26日 | AUTH:"Mohammadifard N" AND (ghee OR "butter oil" OR "hydrogenated") | 支持性证据 | 35 | |
| Europe PMC | 2026年10月26日 | (butter) AND (mortality OR cardiovascular) AND ("plant-based oils" OR "olive oil" OR "vegetable oil") AND (cohort) AND PUB_YEAR:[2021 TO 2026] | 双向 | 1300 | |
| PubMed | 2026年10月26日 | "saturated fat*"[tiab] AND (cardiovascular[tiab] OR coronary[tiab]) AND (cohort*[tiab] OR prospective[tiab]) AND meta-analysis[pt] AND ("not associated"[tiab] OR "no association"[tiab]) | 支持性证据 | 6 | |
| PubMed | 2026年10月26日 | de Souza RJ[au] AND saturated[ti] AND trans[ti] | 支持性证据 | 1 | |
| Europe PMC | 2026年10月26日 | ("cholesterol hypothesis" OR "LDL hypothesis" OR "diet-heart hypothesis") AND (critique OR questioned OR inconsistent OR "does not cause") | 支持性证据 | 115 | |
| PubMed | 2026年10月26日 | cheese[ti] AND (mortality[tiab] OR cardiovascular[tiab] OR diabetes[tiab]) AND (meta-analysis[pt]) AND 2017:2026[dp] | 双向 | 4 |
待解决的问题
Prospective ghee outcome studies in Egypt/South Asia.
核查深度如何？
11 项相关研究：4 项核查了全文（其中 2 项进行了结构化偏倚风险评估），7 项基于摘要核查，0 项仅核查了文献信息。 尚未进行由两名独立审查者完成的正式评估，也尚未进行独立的人类专家审核。
最近一次科学审核: 2026年10月26日
评定结论的变更历史
- 2026年10月25日 · 第 1 阶段 · 初始评估: 基本错误 (中)
- 2026年10月26日 · 第 4 阶段（系统证据审查） · 在扩展证据后重新审查；评定结论不变: 基本错误 (中)
New direct evidence on ghee (I-FAT-102) and butter (I-FAT-101, I-FAT-111) supports the existing verdict; a regional null cohort (I-FAT-103) and a cohort meta-analysis (I-FAT-104) are acknowledged as the best supporting evidence but are of very low certainty. The 2026 US guideline allows butter as an option but keeps the 10% saturated-fat cap.
新来源: I-FAT-101 I-FAT-102 I-FAT-103 I-FAT-104 I-FAT-111 I-DRY-101
通俗解释
酥油和黄油的主要成分是饱和脂肪。饱和脂肪会升高LDL胆固醇，而LDL是已被证实的动脉狭窄原因。长期试验发现，当人们减少饱和脂肪摄入时，心脏病和卒中事件减少了约17%。单独研究黄油的研究发现，在正常摄入量下影响很小，所以少量黄油并不是大的危险。但“天然油脂不会影响动脉”的说法是不正确的，尤其是在每天随意大量使用酥油的情况下。
与该说法相关的研究
支持该说法的研究 (3)
-
Some experts argue saturated fat limits are outdated
Astrup A et al.. J Am Coll Cardiol 2020 · PMID 32562735 · DOI 10.1016/j.jacc.2020.05.077叙述性综述独立交叉核查已核查摘要Claims whole-fat dairy and unprocessed meat are not linked to more CVD.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 低 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Reassess SFA advice.
- 研究是如何开展的？
Narrative review.
- 研究了多少人、动物或样本？
n/a
- 实际发现了什么？
Argues against stricter limits.
- 观察到的效应有多大？
n/a
- 研究结果对日常生活意味着什么？
A debated minority view.
- 该研究有哪些局限？
Narrative; COI.
- 它对 Elawady 的具体说法说明了什么？
Partial support for 'fats not harmful'.
- 研究结果是否适用于德国和欧洲？
Moderate.
- 从该研究中明确不能得出什么结论？
That ghee is harmless.
-
Iranian study: ghee not linked to heart events; hydrogenated oil linked to heart attacks
Sadeghi M et al.. Int J Food Sci Nutr 2021 · PMID 33719857 · DOI 10.1080/09637486.2021.1895725队列研究独立交叉核查已核查摘要No association for ghee; HVO top quartile ~68% more MI (borderline).
Ghee not associated with CVD events in Isfahan cohort.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 低 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Study fat types and CVD in Iran.
- 研究是如何开展的？
Cohort, 13 years.
- 研究了多少人、动物或样本？
5432 adults.
- 实际发现了什么？
Ghee not associated; hydrogenated oil possibly harmful.
- 观察到的效应有多大？
HVO MI HR ~1.68.
- 研究结果对日常生活意味着什么？
Hydrogenated (trans) fats are the clearer danger.
- 该研究有哪些局限？
Low power.
- 它对 Elawady 的具体说法说明了什么？
Partly supports the claim.
- 研究结果是否适用于德国和欧洲？
Regional.
- 从该研究中明确不能得出什么结论？
Cannot show ghee is safe.
-
Cohorts did not link saturated fat to heart disease; trans fat was linked
de Souza RJ et al.. BMJ 2015 · PMID 26268692 · DOI 10.1136/bmj.h3978Meta分析独立交叉核查已核查摘要SFA and CHD RR 1.06 (0.95-1.17); trans fat and mortality RR 1.34.
SFA intake not associated with CVD/CHD in cohorts (very low certainty).
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 高 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Summarise saturated and trans fat studies.
- 研究是如何开展的？
Meta-analysis of cohorts.
- 研究了多少人、动物或样本？
Up to 339,090 people.
- 实际发现了什么？
No clear SFA link; trans fat harmful.
- 观察到的效应有多大？
SFA CHD RR 1.06.
- 研究结果对日常生活意味着什么？
The main proven danger is trans fat; SFA effects depend on what replaces it.
- 该研究有哪些局限？
Very low certainty; replacement not modelled.
- 它对 Elawady 的具体说法说明了什么？
Partly supports the claim.
- 研究结果是否适用于德国和欧洲？
International.
- 从该研究中明确不能得出什么结论？
Cannot show ghee is safe for arteries.
该组中没有被标记为关键研究的研究。
与该说法相矛盾或限制该说法的研究 (6)
-
Cochrane: eating less saturated fat reduces heart and stroke events
Hooper L et al.. Cochrane Database Syst Rev 2020 · PMID 32827219 · DOI 10.1002/14651858.CD011737.pub3Meta分析独立交叉核查已核查摘要★ 关键研究17% fewer combined cardiovascular events (RR 0.83); no clear effect on deaths.
Reducing SFA: CVD events RR 0.83.
该研究是否支持这一具体说法？ 否 · 方法学质量: 高 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Effect of less saturated fat.
- 研究是如何开展的？
Meta-analysis of 15 RCTs.
- 研究了多少人、动物或样本？
56,675 adults.
- 实际发现了什么？
Fewer CVD events; mortality unchanged.
- 观察到的效应有多大？
RR 0.83 (0.70-0.98); NNTB 56.
- 研究结果对日常生活意味着什么？
Cutting saturated fat helps the heart modestly.
- 该研究有哪些局限？
Old, heterogeneous trials.
- 它对 Elawady 的具体说法说明了什么？
Contradicts 'ghee and butter don't affect arteries'.
- 研究结果是否适用于德国和欧洲？
High.
- 从该研究中明确不能得出什么结论？
Effect of a specific food like ghee.
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Experts: LDL cholesterol causes artery disease
Ference BA et al.. Eur Heart J 2017 · PMID 28444290 · DOI 10.1093/eurheartj/ehx144指南 / 立场声明独立交叉核查全文，含结构化偏倚风险评估★ 关键研究Genetic studies, cohorts and drug trials agree: more LDL over time means more atherosclerosis.
该研究是否支持这一具体说法？ 否 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Establish whether LDL is causal.
- 研究是如何开展的？
Consensus review of all evidence types.
- 研究了多少人、动物或样本？
>2 million people.
- 实际发现了什么？
LDL causes ASCVD.
- 观察到的效应有多大？
Log-linear dose-response.
- 研究结果对日常生活意味着什么？
High LDL is harmful.
- 该研究有哪些局限？
Expert consensus, not a systematic review; most panel members have ties to cholesterol-drug makers; absolute-benefit tables are projections.
- 它对 Elawady 的具体说法说明了什么？
Contradicts claims that fat/cholesterol cannot harm arteries.
- 研究结果是否适用于德国和欧洲？
High.
- 从该研究中明确不能得出什么结论？
Effects of single foods.
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WHO: keep saturated fat at or below 10% of energy
World Health Organization. WHO guideline 2023指南 / 立场声明独立交叉核查已核查全文Replace with plant oils rich in unsaturated fats.
该研究是否支持这一具体说法？ 否 · 方法学质量: 高 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Set SFA/TFA intake limits.
- 研究是如何开展的？
WHO guideline.
- 研究了多少人、动物或样本？
Global.
- 实际发现了什么？
Limit SFA to 10% of energy.
- 观察到的效应有多大？
Strong recommendation.
- 研究结果对日常生活意味着什么？
Use plant oils instead of animal fats.
- 该研究有哪些局限？
Population advice.
- 它对 Elawady 的具体说法说明了什么？
Contradicts unrestricted ghee.
- 研究结果是否适用于德国和欧洲？
High.
- 从该研究中明确不能得出什么结论？
Effect of a single meal.
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More butter linked to higher mortality; plant oils to lower
Zhang Y et al.. JAMA Intern Med 2025 · PMID 40048719 · DOI 10.1001/jamainternmed.2025.0205队列研究独立交叉核查已核查摘要★ 关键研究Highest v lowest butter HR 1.15; swapping 10 g butter for plant oil linked to 17% lower mortality.
Butter HR 1.15 for mortality; replacement by plant oils HR 0.83.
该研究是否支持这一具体说法？ 否 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Compare butter and plant oils with mortality.
- 研究是如何开展的？
Three cohorts, 33 years.
- 研究了多少人、动物或样本？
221,054 adults.
- 实际发现了什么？
Butter higher, plant oils lower mortality.
- 观察到的效应有多大？
HR 1.15 v 0.84.
- 研究结果对日常生活意味着什么？
Using plant oils instead of butter is likely healthier.
- 该研究有哪些局限？
Observational.
- 它对 Elawady 的具体说法说明了什么？
Contradicts 'butter is harmless'.
- 研究结果是否适用于德国和欧洲？
US data.
- 从该研究中明确不能得出什么结论？
Cannot prove butter causes death.
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Swapping ghee for rapeseed oil improved fatty liver and cholesterol
Maleki Sedgi F et al.. Br J Nutr 2024 · PMID 38501177 · DOI 10.1017/S0007114524000564随机对照试验独立交叉核查已核查摘要★ 关键研究Less liver fat, LDL -7.5 mg/dL, triglycerides -40 mg/dL over 12 weeks.
Replacing ghee lowered LDL, TG and liver fat.
该研究是否支持这一具体说法？ 否 · 方法学质量: 低 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Test replacing ghee with rapeseed oil.
- 研究是如何开展的？
Randomised trial, 12 weeks.
- 研究了多少人、动物或样本？
110 Iranian adults with fatty liver.
- 实际发现了什么？
Better liver fat, lipids, sugar and weight.
- 观察到的效应有多大？
LDL -7.5 mg/dL.
- 研究结果对日常生活意味着什么？
Plant oil is a better daily cooking fat than ghee.
- 该研究有哪些局限？
Open label; weight loss.
- 它对 Elawady 的具体说法说明了什么？
Contradicts 'ghee does not affect arteries' indirectly.
- 研究结果是否适用于德国和欧洲？
Middle East; relevant to Egypt.
- 从该研究中明确不能得出什么结论？
Cannot show fewer heart attacks.
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Butter raises LDL cholesterol more than cheese with the same fat
Pradeilles R et al.. Adv Nutr 2023 · PMID 37717700 · DOI 10.1016/j.advnut.2023.09.003Meta分析独立交叉核查已核查摘要LDL 0.19 mmol/L higher on butter than on cheese.
Butter raises LDL relative to cheese with equal fat.
该研究是否支持这一具体说法？ 否 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Compare cheese fat with butter fat.
- 研究是如何开展的？
Meta-analysis of RCTs.
- 研究了多少人、动物或样本？
7 RCTs.
- 实际发现了什么？
Butter gave higher LDL.
- 观察到的效应有多大？
LDL -0.19 mmol/L with cheese.
- 研究结果对日常生活意味着什么？
Butter/ghee fat is not neutral for cholesterol.
- 该研究有哪些局限？
Few, short trials.
- 它对 Elawady 的具体说法说明了什么？
Contradicts the claim.
- 研究结果是否适用于德国和欧洲？
Applicable.
- 从该研究中明确不能得出什么结论？
Cannot show heart events.
该组中没有被标记为关键研究的研究。
结果不一或不明确的研究 (2)
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Butter at usual amounts: little link to heart disease
Pimpin L et al.. PLoS One 2016 · PMID 27355649 · DOI 10.1371/journal.pone.0158118Meta分析独立交叉核查全文，含结构化偏倚风险评估★ 关键研究Per tablespoon/day: CVD RR 1.00; mortality RR 1.01.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Butter and health.
- 研究是如何开展的？
Meta-analysis.
- 研究了多少人、动物或样本？
636,151 people.
- 实际发现了什么？
Small or neutral associations.
- 观察到的效应有多大？
Mortality RR 1.01 per 14 g/d.
- 研究结果对日常生活意味着什么？
Small amounts of butter are not a major risk.
- 该研究有哪些局限？
Observational; only 4 cohorts for CVD, some adjusted for blood cholesterol (which can hide an effect via LDL); mostly modest intakes; ghee not studied.
- 它对 Elawady 的具体说法说明了什么？
Partly supports the claim.
- 研究结果是否适用于德国和欧洲？
Moderate.
- 从该研究中明确不能得出什么结论？
That ghee or high butter intakes are safe for the arteries; authors rate unsaturated vegetable oils as healthier than butter.
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New US dietary guidelines (2026) recommend dairy and olive oil, allow butter in limits
U.S. Department of Agriculture; U.S. Department of Health and Human Services. Federal dietary guideline (PDF, realfood.gov; linked from dietaryguidelines.gov) 2026指南 / 立场声明独立交叉核查已核查全文★ 关键研究Three servings of dairy a day, including milk and yogurt, for children and adults; olive oil first, butter as an option, saturated fat at most 10% of calories.
Butter listed as an option, but olive oil prioritised and saturated fat capped at 10% of energy.
该研究是否支持这一具体说法？ 部分支持 · 方法学质量: 中 · 证据确定性：见该说法的总体评估
研究通俗解读
- 研究人员想了解什么？
Give official food advice for the US population.
- 研究是如何开展的？
Government guideline document.
- 研究了多少人、动物或样本？
Whole population.
- 实际发现了什么？
Dairy recommended at all ages; saturated fat limit kept; olive oil prioritised.
- 观察到的效应有多大？
Not applicable.
- 研究结果对日常生活意味着什么？
Milk, yogurt and cheese are all recommended; butter is allowed but not preferred.
- 该研究有哪些局限？
Policy document; evidence review not read; contested changes.
- 它对 Elawady 的具体说法说明了什么？
Contradicts banning milk and yogurt; does not support unlimited ghee or butter.
- 研究结果是否适用于德国和欧洲？
US; similar dairy advice exists in the UK (NHS).
- 从该研究中明确不能得出什么结论？
Cannot show health effects by itself.
该组中没有被标记为关键研究的研究。
地区背景
德国 / 欧盟
WHO and European guidelines recommend limiting saturated fat (I-FAT-08).
埃及
Ghee is traditional in Egyptian cooking; cardiovascular disease is a leading cause of death in Egypt (not quantified here).
在我的国家适用什么？
一般科学评估
基本错误 富含饱和脂肪的酥油和黄油会升高LDL胆固醇，而LDL胆固醇会促成动脉疾病；适量食用风险较小，但它们并非无害。
该说法涉及生物学或医学关系。上述科学评估不论在哪个国家都适用；各国食品数据不会改变这一评估。
参考文献
- Saturated Fats and Health: A Reassessment and Proposal for Food-Based Recommendations: JACC State-of-the-Art Review.. Astrup A et al.. J Am Coll Cardiol 2020 · PMID 32562735 · DOI 10.1016/j.jacc.2020.05.077
- Longitudinal association of dietary fat intake with cardiovascular events in a prospective cohort study in Eastern Mediterranean region.. Sadeghi M et al.. Int J Food Sci Nutr 2021 · PMID 33719857 · DOI 10.1080/09637486.2021.1895725
- Intake of saturated and trans unsaturated fatty acids and risk of all cause mortality, cardiovascular disease, and type 2 diabetes: systematic review and meta-analysis of observational studies.. de Souza RJ et al.. BMJ 2015 · PMID 26268692 · DOI 10.1136/bmj.h3978
- Reduction in saturated fat intake for cardiovascular disease.. Hooper L et al.. Cochrane Database Syst Rev 2020 · PMID 32827219 · DOI 10.1002/14651858.CD011737.pub3
- Low-density lipoproteins cause atherosclerotic cardiovascular disease. 1. Evidence from genetic, epidemiologic, and clinical studies. A consensus statement from the European Atherosclerosis Society Consensus Panel.. Ference BA et al.. Eur Heart J 2017 · PMID 28444290 · DOI 10.1093/eurheartj/ehx144
- Saturated fatty acid and trans-fatty acid intake for adults and children: WHO guideline. World Health Organization. WHO guideline 2023
- Butter and Plant-Based Oils Intake and Mortality.. Zhang Y et al.. JAMA Intern Med 2025 · PMID 40048719 · DOI 10.1001/jamainternmed.2025.0205
- The effects of replacing ghee with rapeseed oil on liver steatosis and enzymes, lipid profile, insulin resistance and anthropometric measurements in patients with non-alcoholic fatty liver disease: a randomised controlled clinical trial.. Maleki Sedgi F et al.. Br J Nutr 2024 · PMID 38501177 · DOI 10.1017/S0007114524000564
- Effect of Isoenergetic Substitution of Cheese with Other Dairy Products on Blood Lipid Markers in the Fasted and Postprandial State: An Updated and Extended Systematic Review and Meta-Analysis of Randomized Controlled Trials in Adults.. Pradeilles R et al.. Adv Nutr 2023 · PMID 37717700 · DOI 10.1016/j.advnut.2023.09.003
- Is Butter Back? A Systematic Review and Meta-Analysis of Butter Consumption and Risk of Cardiovascular Disease, Diabetes, and Total Mortality.. Pimpin L et al.. PLoS One 2016 · PMID 27355649 · DOI 10.1371/journal.pone.0158118
- Dietary Guidelines for Americans, 2025-2030. U.S. Department of Agriculture; U.S. Department of Health and Human Services. Federal dietary guideline (PDF, realfood.gov; linked from dietaryguidelines.gov) 2026